eventespresso / event-espresso-core

core/admin/templates/admin_details_metabox_column_wrapper.template.php

Indentation +5 added lines, -5 removed lines

@@ -19,11 +19,11 @@
         </div> <!-- post-body-content -->
 
         <?php
-        // let's loop through the columns
-        for ($i = 1; $i <= $num_columns; $i++) {
-            $context = ($i === 1) ? 'normal' : 'side';
-            $context = ($i > 2) ? 'column' . $i : $context;
-            ?>
+		// let's loop through the columns
+		for ($i = 1; $i <= $num_columns; $i++) {
+			$context = ($i === 1) ? 'normal' : 'side';
+			$context = ($i > 2) ? 'column' . $i : $context;
+			?>
         <div id='postbox-container-<?php echo $i; ?>' class='postbox-container'>
             <?php do_meta_boxes($current_page, $context, null); ?>
         </div>

Spacing +1 added lines, -1 removed lines

@@ -22,7 +22,7 @@
         // let's loop through the columns
         for ($i = 1; $i <= $num_columns; $i++) {
             $context = ($i === 1) ? 'normal' : 'side';
-            $context = ($i > 2) ? 'column' . $i : $context;
+            $context = ($i > 2) ? 'column'.$i : $context;
             ?>
         <div id='postbox-container-<?php echo $i; ?>' class='postbox-container'>
             <?php do_meta_boxes($current_page, $context, null); ?>

core/admin/templates/admin_details_wrapper.template.php

Spacing +2 added lines, -2 removed lines

@@ -11,7 +11,7 @@ 
 do_action('add_meta_boxes', (string) $post_type, $post);
 ?>
 
-<?php if (! empty($admin_page_header)) : ?>
+<?php if ( ! empty($admin_page_header)) : ?>
     <div id="admin-page-header">
         <?php echo $admin_page_header; // already escaped ?>
     </div>
@@ -20,7 +20,7 @@ 
     <!-- admin-page-header -->
     <div id="post-body" class="metabox-holder columns-2">
 
-        <?php if (! empty($post_body_content)) : ?>
+        <?php if ( ! empty($post_body_content)) : ?>
             <div id="post-body-content">
                 <?php echo $post_body_content; // already escaped ?>
             </div>

core/admin/templates/admin_details_wrapper_no_sidebar.template.php

Spacing +1 added lines, -1 removed lines

@@ -10,7 +10,7 @@
 <div id="<?php echo $admin_page_wrapper_div_id; // already escaped ?>">
     <div id="post-body" class="metabox-holder columns-1">
 
-        <?php if (! empty($admin_page_header)) : ?>
+        <?php if ( ! empty($admin_page_header)) : ?>
             <div id="admin-page-header">
                 <?php echo $admin_page_header; // already escaped ?>
             </div>

core/admin/EE_Admin.core.php

Spacing +29 added lines, -29 removed lines

@@ -51,7 +51,7 @@ 
     public static function instance(RequestInterface $request = null)
     {
         // check if class object is instantiated
-        if (! self::$_instance instanceof EE_Admin) {
+        if ( ! self::$_instance instanceof EE_Admin) {
             self::$_instance = new self($request);
         }
         return self::$_instance;
@@ -113,11 +113,11 @@ 
      */
     private function _define_all_constants()
     {
-        if (! defined('EE_ADMIN_URL')) {
-            define('EE_ADMIN_URL', EE_PLUGIN_DIR_URL . 'core/admin/');
-            define('EE_ADMIN_PAGES_URL', EE_PLUGIN_DIR_URL . 'admin_pages/');
-            define('EE_ADMIN_TEMPLATE', EE_ADMIN . 'templates/');
-            define('WP_ADMIN_PATH', ABSPATH . 'wp-admin/');
+        if ( ! defined('EE_ADMIN_URL')) {
+            define('EE_ADMIN_URL', EE_PLUGIN_DIR_URL.'core/admin/');
+            define('EE_ADMIN_PAGES_URL', EE_PLUGIN_DIR_URL.'admin_pages/');
+            define('EE_ADMIN_TEMPLATE', EE_ADMIN.'templates/');
+            define('WP_ADMIN_PATH', ABSPATH.'wp-admin/');
             define('WP_AJAX_URL', admin_url('admin-ajax.php'));
         }
     }
@@ -135,7 +135,7 @@ 
         // set $main_file in stone
         static $main_file;
         // if $main_file is not set yet
-        if (! $main_file) {
+        if ( ! $main_file) {
             $main_file = EE_PLUGIN_BASENAME;
         }
         if ($plugin === $main_file) {
@@ -178,9 +178,9 @@ 
     public function hide_admin_pages_except_maintenance_mode($admin_page_folder_names = [])
     {
         return [
-            'maintenance' => EE_ADMIN_PAGES . 'maintenance/',
-            'about'       => EE_ADMIN_PAGES . 'about/',
-            'support'     => EE_ADMIN_PAGES . 'support/',
+            'maintenance' => EE_ADMIN_PAGES.'maintenance/',
+            'about'       => EE_ADMIN_PAGES.'about/',
+            'support'     => EE_ADMIN_PAGES.'support/',
         ];
     }
 
@@ -299,13 +299,13 @@ 
                     '</strong>',
                     '<a href="https://eventespresso.com/2017/08/important-upcoming-changes-dates-times">',
                     '</a>',
-                    '<a href="' . EE_Admin_Page::add_query_args_and_nonce(
+                    '<a href="'.EE_Admin_Page::add_query_args_and_nonce(
                         [
                             'page'   => 'espresso_maintenance_settings',
                             'action' => 'datetime_tools',
                         ],
                         admin_url('admin.php')
-                    ) . '">'
+                    ).'">'
                 ),
                 false,
                 'manage_options',
@@ -351,7 +351,7 @@ 
     public function enable_hidden_ee_nav_menu_metaboxes()
     {
         global $wp_meta_boxes, $pagenow;
-        if (! is_array($wp_meta_boxes) || $pagenow !== 'nav-menus.php') {
+        if ( ! is_array($wp_meta_boxes) || $pagenow !== 'nav-menus.php') {
             return;
         }
         $user = wp_get_current_user();
@@ -380,7 +380,7 @@ 
         if (is_array($hidden_meta_boxes)) {
             foreach ($hidden_meta_boxes as $key => $meta_box_id) {
                 if (in_array($meta_box_id, $initial_meta_boxes, true)) {
-                    unset($hidden_meta_boxes[ $key ]);
+                    unset($hidden_meta_boxes[$key]);
                 }
             }
         }
@@ -420,7 +420,7 @@ 
      */
     public function modify_edit_post_link($link, $id)
     {
-        if (! $post = get_post($id)) {
+        if ( ! $post = get_post($id)) {
             return $link;
         }
         if ($post->post_type === 'espresso_attendees') {
@@ -479,7 +479,7 @@ 
         );
 
         EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'cpt_archive_page.template.php',
+            EE_ADMIN_TEMPLATE.'cpt_archive_page.template.php',
             [
                 $nav_menu_pages_items,
                 $nav_tab_link,
@@ -537,7 +537,7 @@ 
         ];
 
         foreach ($keys as $key => $value) {
-            $menu_item->{$key} = isset($menu_item_values[ $key ]) ? $menu_item_values[ $key ] : $value;
+            $menu_item->{$key} = isset($menu_item_values[$key]) ? $menu_item_values[$key] : $value;
         }
         return $menu_item;
     }
@@ -633,10 +633,10 @@ 
 
         // loop through to remove any critical pages from the array.
         foreach ($critical_pages as $page_id) {
-            $needle = 'value="' . $page_id . '"';
+            $needle = 'value="'.$page_id.'"';
             foreach ($split_output as $key => $haystack) {
                 if (strpos($haystack, $needle) !== false) {
-                    unset($split_output[ $key ]);
+                    unset($split_output[$key]);
                 }
             }
         }
@@ -657,7 +657,7 @@ 
         // calls.
         wp_enqueue_script(
             'ee-inject-wp',
-            EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
+            EE_ADMIN_URL.'assets/ee-cpt-wp-injects.js',
             ['jquery'],
             EVENT_ESPRESSO_VERSION,
             true
@@ -665,7 +665,7 @@ 
         // register cookie script for future dependencies
         wp_register_script(
             'jquery-cookie',
-            EE_THIRD_PARTY_URL . 'joyride/jquery.cookie.js',
+            EE_THIRD_PARTY_URL.'joyride/jquery.cookie.js',
             ['jquery'],
             '2.1',
             true
@@ -731,7 +731,7 @@ 
             ['page' => 'espresso_events'],
             admin_url('admin.php')
         );
-        $items['events']['text']         = sprintf(
+        $items['events']['text'] = sprintf(
             esc_html(
                 _n('%s Event', '%s Events', $events, 'event_espresso')
             ),
@@ -745,11 +745,11 @@ 
                 ],
             ]
         );
-        $items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
+        $items['registrations']['url'] = EE_Admin_Page::add_query_args_and_nonce(
             ['page' => 'espresso_registrations'],
             admin_url('admin.php')
         );
-        $items['registrations']['text']  = sprintf(
+        $items['registrations']['text'] = sprintf(
             esc_html(
                 _n('%s Registration', '%s Registrations', $registrations, 'event_espresso')
             ),
@@ -761,7 +761,7 @@ 
 
         foreach ($items as $type => $item_properties) {
             $elements[] = sprintf(
-                '<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
+                '<a class="ee-dashboard-link-'.$type.'" href="%s" title="%s">%s</a>',
                 $item_properties['url'],
                 $item_properties['title'],
                 $item_properties['text']
@@ -785,10 +785,10 @@ 
         // check for date_format or time_format
         switch ($option) {
             case 'date_format':
-                $date_time_format = $value . ' ' . get_option('time_format');
+                $date_time_format = $value.' '.get_option('time_format');
                 break;
             case 'time_format':
-                $date_time_format = get_option('date_format') . ' ' . $value;
+                $date_time_format = get_option('date_format').' '.$value;
                 break;
             default:
                 $date_time_format = false;
@@ -811,7 +811,7 @@ 
 
 
                 foreach ($error_msg as $error) {
-                    $msg .= '<li>' . $error . '</li>';
+                    $msg .= '<li>'.$error.'</li>';
                 }
 
                 $msg .= '</ul></p><p>'
@@ -1002,7 +1002,7 @@ 
     public function displayStateForCriticalPages($post_states, $post)
     {
         $post_states = (array) $post_states;
-        if (! $post instanceof WP_Post || $post->post_type !== 'page') {
+        if ( ! $post instanceof WP_Post || $post->post_type !== 'page') {
             return $post_states;
         }
         /** @var EE_Core_Config $config */

Indentation +1025 added lines, -1025 removed lines

@@ -21,1029 +21,1029 @@
 final class EE_Admin implements InterminableInterface
 {
 
-    /**
-     * @var EE_Admin $_instance
-     */
-    private static $_instance;
-
-    /**
-     * @var PersistentAdminNoticeManager $persistent_admin_notice_manager
-     */
-    private $persistent_admin_notice_manager;
-
-    /**
-     * @var LoaderInterface
-     */
-    protected $loader;
-
-    /**
-     * @var RequestInterface
-     */
-    protected $request;
-
-
-    /**
-     * @param RequestInterface $request
-     * @singleton method used to instantiate class object
-     * @return EE_Admin
-     * @throws EE_Error
-     */
-    public static function instance(RequestInterface $request = null)
-    {
-        // check if class object is instantiated
-        if (! self::$_instance instanceof EE_Admin) {
-            self::$_instance = new self($request);
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * @return EE_Admin
-     * @throws EE_Error
-     */
-    public static function reset()
-    {
-        self::$_instance = null;
-        $request         = LoaderFactory::getLoader()->getShared(RequestInterface::class);
-        return self::instance($request);
-    }
-
-
-    /**
-     * @param RequestInterface $request
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    protected function __construct(RequestInterface $request)
-    {
-        $this->request = $request;
-        $this->loader = LoaderFactory::getLoader();
-        // define global EE_Admin constants
-        $this->_define_all_constants();
-        // set autoloaders for our admin page classes based on included path information
-        EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder(EE_ADMIN);
-        // admin hooks
-        add_filter('plugin_action_links', [$this, 'filter_plugin_actions'], 10, 2);
-        add_action('AHEE__EE_System__initialize_last', [$this, 'init']);
-        add_action('AHEE__EE_Admin_Page__route_admin_request', [$this, 'route_admin_request'], 100, 2);
-        add_action('wp_loaded', [$this, 'wp_loaded'], 100);
-        add_action('admin_init', [$this, 'admin_init'], 100);
-        add_action('admin_enqueue_scripts', [$this, 'enqueue_admin_scripts'], 20);
-        add_action('admin_notices', [$this, 'display_admin_notices'], 10);
-        add_action('network_admin_notices', [$this, 'display_admin_notices'], 10);
-        add_filter('pre_update_option', [$this, 'check_for_invalid_datetime_formats'], 100, 2);
-        add_filter('admin_footer_text', [$this, 'espresso_admin_footer']);
-        add_action('load-plugins.php', [$this, 'hookIntoWpPluginsPage']);
-        add_action('display_post_states', [$this, 'displayStateForCriticalPages'], 10, 2);
-        add_filter('plugin_row_meta', [$this, 'addLinksToPluginRowMeta'], 10, 2);
-        // reset Environment config (we only do this on admin page loads);
-        EE_Registry::instance()->CFG->environment->recheck_values();
-        do_action('AHEE__EE_Admin__loaded');
-    }
-
-
-    /**
-     * _define_all_constants
-     * define constants that are set globally for all admin pages
-     *
-     * @return void
-     */
-    private function _define_all_constants()
-    {
-        if (! defined('EE_ADMIN_URL')) {
-            define('EE_ADMIN_URL', EE_PLUGIN_DIR_URL . 'core/admin/');
-            define('EE_ADMIN_PAGES_URL', EE_PLUGIN_DIR_URL . 'admin_pages/');
-            define('EE_ADMIN_TEMPLATE', EE_ADMIN . 'templates/');
-            define('WP_ADMIN_PATH', ABSPATH . 'wp-admin/');
-            define('WP_AJAX_URL', admin_url('admin-ajax.php'));
-        }
-    }
-
-
-    /**
-     * filter_plugin_actions - adds links to the Plugins page listing
-     *
-     * @param array  $links
-     * @param string $plugin
-     * @return    array
-     */
-    public function filter_plugin_actions($links, $plugin)
-    {
-        // set $main_file in stone
-        static $main_file;
-        // if $main_file is not set yet
-        if (! $main_file) {
-            $main_file = EE_PLUGIN_BASENAME;
-        }
-        if ($plugin === $main_file) {
-            // compare current plugin to this one
-            if (EE_Maintenance_Mode::instance()->level() === EE_Maintenance_Mode::level_2_complete_maintenance) {
-                $maintenance_link = '<a href="admin.php?page=espresso_maintenance_settings"'
-                                    . ' title="Event Espresso is in maintenance mode.  Click this link to learn why.">'
-                                    . esc_html__('Maintenance Mode Active', 'event_espresso')
-                                    . '</a>';
-                array_unshift($links, $maintenance_link);
-            } else {
-                $org_settings_link = '<a href="admin.php?page=espresso_general_settings">'
-                                     . esc_html__('Settings', 'event_espresso')
-                                     . '</a>';
-                $events_link       = '<a href="admin.php?page=espresso_events">'
-                                     . esc_html__('Events', 'event_espresso')
-                                     . '</a>';
-                // add before other links
-                array_unshift($links, $org_settings_link, $events_link);
-            }
-        }
-        return $links;
-    }
-
-
-    /**
-     * @deprecated 4.10.14.p
-     */
-    public function get_request()
-    {
-    }
-
-
-    /**
-     * hide_admin_pages_except_maintenance_mode
-     *
-     * @param array $admin_page_folder_names
-     * @return array
-     */
-    public function hide_admin_pages_except_maintenance_mode($admin_page_folder_names = [])
-    {
-        return [
-            'maintenance' => EE_ADMIN_PAGES . 'maintenance/',
-            'about'       => EE_ADMIN_PAGES . 'about/',
-            'support'     => EE_ADMIN_PAGES . 'support/',
-        ];
-    }
-
-
-    /**
-     * init- should fire after shortcode, module,  addon, other plugin (default priority), and even
-     * EE_Front_Controller's init phases have run
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws ServiceNotFoundException
-     */
-    public function init()
-    {
-        // only enable most of the EE_Admin IF we're not in full maintenance mode
-        if (EE_Maintenance_Mode::instance()->models_can_query()) {
-            $this->initModelsReady();
-        }
-        // run the admin page factory but ONLY if:
-        // - it is a regular non ajax admin request
-        // - we are doing an ee admin ajax request
-        if ($this->request->isAdmin() || $this->request->isAdminAjax()) {
-            // this loads the controller for the admin pages which will setup routing etc
-            $this->loader->getShared('EE_Admin_Page_Loader', [$this->loader]);
-        }
-        if ($this->request->isAdminAjax()) {
-            return;
-        }
-        add_filter('content_save_pre', [$this, 'its_eSpresso'], 10, 1);
-        // make sure our CPTs and custom taxonomy metaboxes get shown for first time users
-        add_action('admin_head', [$this, 'enable_hidden_ee_nav_menu_metaboxes'], 10);
-        add_action('admin_head', [$this, 'register_custom_nav_menu_boxes'], 10);
-        // exclude EE critical pages from all nav menus and wp_list_pages
-        add_filter('nav_menu_meta_box_object', [$this, 'remove_pages_from_nav_menu'], 10);
-    }
-
-
-    /**
-     * Gets the loader (and if it wasn't previously set, sets it)
-     *
-     * @return LoaderInterface
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function getLoader()
-    {
-        return $this->loader;
-    }
-
-
-    /**
-     * Method that's fired on admin requests (including admin ajax) but only when the models are usable
-     * (ie, the site isn't in maintenance mode)
-     *
-     * @return void
-     * @throws EE_Error
-     * @since 4.9.63.p
-     */
-    protected function initModelsReady()
-    {
-        // ok so we want to enable the entire admin
-        $this->persistent_admin_notice_manager = $this->loader->getShared(
-            'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-        );
-        $this->persistent_admin_notice_manager->setReturnUrl(
-            EE_Admin_Page::add_query_args_and_nonce(
-                [
-                    'page'   => $this->request->getRequestParam('page'),
-                    'action' => $this->request->getRequestParam('action'),
-                ],
-                EE_ADMIN_URL
-            )
-        );
-        $this->maybeSetDatetimeWarningNotice();
-        // at a glance dashboard widget
-        add_filter('dashboard_glance_items', [$this, 'dashboard_glance_items'], 10);
-        // filter for get_edit_post_link used on comments for custom post types
-        add_filter('get_edit_post_link', [$this, 'modify_edit_post_link'], 10, 2);
-    }
-
-
-    /**
-     *    get_persistent_admin_notices
-     *
-     * @access    public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function maybeSetDatetimeWarningNotice()
-    {
-        // add dismissible notice for datetime changes.  Only valid if site does not have a timezone_string set.
-        // @todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
-        // with this.  But after enough time (indeterminate at this point) we can just remove this notice.
-        // this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
-        if (
-            apply_filters('FHEE__EE_Admin__maybeSetDatetimeWarningNotice', true)
-            && ! get_option('timezone_string')
-            && EEM_Event::instance()->count() > 0
-        ) {
-            new PersistentAdminNotice(
-                'datetime_fix_notice',
-                sprintf(
-                    esc_html__(
-                        '%1$sImportant announcement related to your install of Event Espresso%2$s: There are some changes made to your site that could affect how dates display for your events and other related items with dates and times.  Read more about it %3$shere%4$s. If your dates and times are displaying incorrectly (incorrect offset), you can fix it using the tool on %5$sthis page%4$s.',
-                        'event_espresso'
-                    ),
-                    '<strong>',
-                    '</strong>',
-                    '<a href="https://eventespresso.com/2017/08/important-upcoming-changes-dates-times">',
-                    '</a>',
-                    '<a href="' . EE_Admin_Page::add_query_args_and_nonce(
-                        [
-                            'page'   => 'espresso_maintenance_settings',
-                            'action' => 'datetime_tools',
-                        ],
-                        admin_url('admin.php')
-                    ) . '">'
-                ),
-                false,
-                'manage_options',
-                'datetime_fix_persistent_notice'
-            );
-        }
-    }
-
-
-    /**
-     * this simply hooks into the nav menu setup of pages metabox and makes sure that we remove EE critical pages from
-     * the list of options. the wp function "wp_nav_menu_item_post_type_meta_box" found in
-     * wp-admin/includes/nav-menu.php looks for the "_default_query" property on the post_type object and it uses that
-     * to override any queries found in the existing query for the given post type.  Note that _default_query is not a
-     * normal property on the post_type object.  It's found ONLY in this particular context.
-     *
-     * @param WP_Post $post_type WP post type object
-     * @return WP_Post
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function remove_pages_from_nav_menu($post_type)
-    {
-        // if this isn't the "pages" post type let's get out
-        if ($post_type->name !== 'page') {
-            return $post_type;
-        }
-        $critical_pages            = EE_Registry::instance()->CFG->core->get_critical_pages_array();
-        $post_type->_default_query = [
-            'post__not_in' => $critical_pages,
-        ];
-        return $post_type;
-    }
-
-
-    /**
-     * WP by default only shows three metaboxes in "nav-menus.php" for first times users.  We want to make sure our
-     * metaboxes get shown as well
-     *
-     * @return void
-     */
-    public function enable_hidden_ee_nav_menu_metaboxes()
-    {
-        global $wp_meta_boxes, $pagenow;
-        if (! is_array($wp_meta_boxes) || $pagenow !== 'nav-menus.php') {
-            return;
-        }
-        $user = wp_get_current_user();
-        // has this been done yet?
-        if (get_user_option('ee_nav_menu_initialized', $user->ID)) {
-            return;
-        }
-
-        $hidden_meta_boxes  = get_user_option('metaboxhidden_nav-menus', $user->ID);
-        $initial_meta_boxes = apply_filters(
-            'FHEE__EE_Admin__enable_hidden_ee_nav_menu_boxes__initial_meta_boxes',
-            [
-                'nav-menu-theme-locations',
-                'add-page',
-                'add-custom-links',
-                'add-category',
-                'add-espresso_events',
-                'add-espresso_venues',
-                'add-espresso_event_categories',
-                'add-espresso_venue_categories',
-                'add-post-type-post',
-                'add-post-type-page',
-            ]
-        );
-
-        if (is_array($hidden_meta_boxes)) {
-            foreach ($hidden_meta_boxes as $key => $meta_box_id) {
-                if (in_array($meta_box_id, $initial_meta_boxes, true)) {
-                    unset($hidden_meta_boxes[ $key ]);
-                }
-            }
-        }
-        update_user_option($user->ID, 'metaboxhidden_nav-menus', $hidden_meta_boxes, true);
-        update_user_option($user->ID, 'ee_nav_menu_initialized', 1, true);
-    }
-
-
-    /**
-     * This method simply registers custom nav menu boxes for "nav_menus.php route"
-     * Currently EE is using this to make sure there are menu options for our CPT archive page routes.
-     *
-     * @return void
-     * @todo   modify this so its more dynamic and automatic for all ee CPTs and setups and can also be hooked into by
-     *         addons etc.
-     */
-    public function register_custom_nav_menu_boxes()
-    {
-        add_meta_box(
-            'add-extra-nav-menu-pages',
-            esc_html__('Event Espresso Pages', 'event_espresso'),
-            [$this, 'ee_cpt_archive_pages'],
-            'nav-menus',
-            'side',
-            'core'
-        );
-    }
-
-
-    /**
-     * Use this to edit the post link for our cpts so that the edit link points to the correct page.
-     *
-     * @param string $link the original link generated by wp
-     * @param int    $id   post id
-     * @return string  the (maybe) modified link
-     * @since   4.3.0
-     */
-    public function modify_edit_post_link($link, $id)
-    {
-        if (! $post = get_post($id)) {
-            return $link;
-        }
-        if ($post->post_type === 'espresso_attendees') {
-            $query_args = [
-                'action' => 'edit_attendee',
-                'post'   => $id,
-            ];
-            return EEH_URL::add_query_args_and_nonce(
-                $query_args,
-                admin_url('admin.php?page=espresso_registrations')
-            );
-        }
-        return $link;
-    }
-
-
-    public function ee_cpt_archive_pages()
-    {
-        global $nav_menu_selected_id;
-        $removed_args = [
-            'action',
-            'customlink-tab',
-            'edit-menu-item',
-            'menu-item',
-            'page-tab',
-            '_wpnonce',
-        ];
-        $nav_tab_link = $nav_menu_selected_id
-            ? esc_url(
-                add_query_arg(
-                    'extra-nav-menu-pages-tab',
-                    'event-archives',
-                    remove_query_arg($removed_args)
-                )
-            )
-            : '';
-        $select_all_link = esc_url(
-            add_query_arg(
-                [
-                    'extra-nav-menu-pages-tab' => 'event-archives',
-                    'selectall'                => 1,
-                ],
-                remove_query_arg($removed_args)
-            )
-        );
-        $pages = $this->_get_extra_nav_menu_pages_items();
-        $args['walker'] = new Walker_Nav_Menu_Checklist(false);
-        ;
-        $nav_menu_pages_items = walk_nav_menu_tree(
-            array_map(
-                [$this, '_setup_extra_nav_menu_pages_items'],
-                $pages
-            ),
-            0,
-            (object) $args
-        );
-
-        EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'cpt_archive_page.template.php',
-            [
-                $nav_menu_pages_items,
-                $nav_tab_link,
-                $select_all_link,
-            ]
-        );
-    }
-
-
-    /**
-     * Returns an array of event archive nav items.
-     *
-     * @return array
-     * @todo  for now this method is just in place so when it gets abstracted further we can substitute in whatever
-     *        method we use for getting the extra nav menu items
-     */
-    private function _get_extra_nav_menu_pages_items()
-    {
-        $menuitems[] = [
-            'title'       => esc_html__('Event List', 'event_espresso'),
-            'url'         => get_post_type_archive_link('espresso_events'),
-            'description' => esc_html__('Archive page for all events.', 'event_espresso'),
-        ];
-        return apply_filters('FHEE__EE_Admin__get_extra_nav_menu_pages_items', $menuitems);
-    }
-
-
-    /**
-     * Setup nav menu walker item for usage in the event archive nav menu metabox.  It receives a menu_item array with
-     * the properties and converts it to the menu item object.
-     *
-     * @param $menu_item_values
-     * @return stdClass
-     * @see wp_setup_nav_menu_item() in wp-includes/nav-menu.php
-     */
-    private function _setup_extra_nav_menu_pages_items($menu_item_values)
-    {
-        $menu_item = new stdClass();
-        $keys      = [
-            'ID'               => 0,
-            'db_id'            => 0,
-            'menu_item_parent' => 0,
-            'object_id'        => -1,
-            'post_parent'      => 0,
-            'type'             => 'custom',
-            'object'           => '',
-            'type_label'       => esc_html__('Extra Nav Menu Item', 'event_espresso'),
-            'title'            => '',
-            'url'              => '',
-            'target'           => '',
-            'attr_title'       => '',
-            'description'      => '',
-            'classes'          => [],
-            'xfn'              => '',
-        ];
-
-        foreach ($keys as $key => $value) {
-            $menu_item->{$key} = isset($menu_item_values[ $key ]) ? $menu_item_values[ $key ] : $value;
-        }
-        return $menu_item;
-    }
-
-
-    /**
-     * This is the action hook for the AHEE__EE_Admin_Page__route_admin_request hook that fires off right before an
-     * EE_Admin_Page route is called.
-     *
-     * @return void
-     */
-    public function route_admin_request()
-    {
-    }
-
-
-    /**
-     * wp_loaded should fire on the WordPress wp_loaded hook.  This fires on a VERY late priority.
-     *
-     * @return void
-     */
-    public function wp_loaded()
-    {
-    }
-
-
-    /**
-     * admin_init
-     *
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function admin_init()
-    {
-        /**
-         * our cpt models must be instantiated on WordPress post processing routes (wp-admin/post.php),
-         * so any hooking into core WP routes is taken care of.  So in this next few lines of code:
-         * - check if doing post processing.
-         * - check if doing post processing of one of EE CPTs
-         * - instantiate the corresponding EE CPT model for the post_type being processed.
-         */
-        $action    = $this->request->getRequestParam('action');
-        $post_type = $this->request->getRequestParam('post_type');
-        if ($post_type && $action === 'editpost') {
-            /** @var CustomPostTypeDefinitions $custom_post_types */
-            $custom_post_types = $this->loader->getShared(CustomPostTypeDefinitions::class);
-            $custom_post_types->getCustomPostTypeModels($post_type);
-        }
-
-
-        /**
-         * This code excludes EE critical pages anywhere `wp_dropdown_pages` is used to create a dropdown for selecting
-         * critical pages.  The only place critical pages need included in a generated dropdown is on the "Critical
-         * Pages" tab in the EE General Settings Admin page.
-         * This is for user-proofing.
-         */
-        add_filter('wp_dropdown_pages', [$this, 'modify_dropdown_pages']);
-        if (EE_Maintenance_Mode::instance()->models_can_query()) {
-            $this->adminInitModelsReady();
-        }
-    }
-
-
-    /**
-     * Runs on admin_init but only if models are usable (ie, we're not in maintenance mode)
-     */
-    protected function adminInitModelsReady()
-    {
-        if (function_exists('wp_add_privacy_policy_content')) {
-            $this->loader->getShared('EventEspresso\core\services\privacy\policy\PrivacyPolicyManager');
-        }
-    }
-
-
-    /**
-     * Callback for wp_dropdown_pages hook to remove ee critical pages from the dropdown selection.
-     *
-     * @param string $output Current output.
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function modify_dropdown_pages($output)
-    {
-        // get critical pages
-        $critical_pages = EE_Registry::instance()->CFG->core->get_critical_pages_array();
-
-        // split current output by line break for easier parsing.
-        $split_output = explode("\n", $output);
-
-        // loop through to remove any critical pages from the array.
-        foreach ($critical_pages as $page_id) {
-            $needle = 'value="' . $page_id . '"';
-            foreach ($split_output as $key => $haystack) {
-                if (strpos($haystack, $needle) !== false) {
-                    unset($split_output[ $key ]);
-                }
-            }
-        }
-        // replace output with the new contents
-        return implode("\n", $split_output);
-    }
-
-
-    /**
-     * enqueue all admin scripts that need loaded for admin pages
-     *
-     * @return void
-     */
-    public function enqueue_admin_scripts()
-    {
-        // this javascript is loaded on every admin page to catch any injections ee needs to add to wp run js.
-        // Note: the intention of this script is to only do TARGETED injections.  I.E, only injecting on certain script
-        // calls.
-        wp_enqueue_script(
-            'ee-inject-wp',
-            EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
-            ['jquery'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        // register cookie script for future dependencies
-        wp_register_script(
-            'jquery-cookie',
-            EE_THIRD_PARTY_URL . 'joyride/jquery.cookie.js',
-            ['jquery'],
-            '2.1',
-            true
-        );
-        // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-        // joyride is turned OFF by default, but prior to the admin_enqueue_scripts hook, can be turned back on again
-        // via: add_filter('FHEE_load_joyride', '__return_true' );
-        // if (apply_filters('FHEE_load_joyride', false)) {
-        //     // joyride style
-        //     wp_register_style('joyride-css', EE_THIRD_PARTY_URL . 'joyride/joyride-2.1.css', array(), '2.1');
-        //     wp_register_style(
-        //         'ee-joyride-css',
-        //         EE_GLOBAL_ASSETS_URL . 'css/ee-joyride-styles.css',
-        //         array('joyride-css'),
-        //         EVENT_ESPRESSO_VERSION
-        //     );
-        //     wp_register_script(
-        //         'joyride-modernizr',
-        //         EE_THIRD_PARTY_URL . 'joyride/modernizr.mq.js',
-        //         array(),
-        //         '2.1',
-        //         true
-        //     );
-        //     // joyride JS
-        //     wp_register_script(
-        //         'jquery-joyride',
-        //         EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
-        //         array('jquery-cookie', 'joyride-modernizr'),
-        //         '2.1',
-        //         true
-        //     );
-        //     // wanna go for a joyride?
-        //     wp_enqueue_style('ee-joyride-css');
-        //     wp_enqueue_script('jquery-joyride');
-        // }
-    }
-
-
-    /**
-     * display_admin_notices
-     *
-     * @return void
-     */
-    public function display_admin_notices()
-    {
-        echo EE_Error::get_notices(); // already escaped
-    }
-
-
-    /**
-     * @param array $elements
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function dashboard_glance_items($elements)
-    {
-        $elements                        = is_array($elements) ? $elements : [$elements];
-        $events                          = EEM_Event::instance()->count();
-        $items['events']['url']          = EE_Admin_Page::add_query_args_and_nonce(
-            ['page' => 'espresso_events'],
-            admin_url('admin.php')
-        );
-        $items['events']['text']         = sprintf(
-            esc_html(
-                _n('%s Event', '%s Events', $events, 'event_espresso')
-            ),
-            number_format_i18n($events)
-        );
-        $items['events']['title']        = esc_html__('Click to view all Events', 'event_espresso');
-        $registrations                   = EEM_Registration::instance()->count(
-            [
-                [
-                    'STS_ID' => ['!=', EEM_Registration::status_id_incomplete],
-                ],
-            ]
-        );
-        $items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
-            ['page' => 'espresso_registrations'],
-            admin_url('admin.php')
-        );
-        $items['registrations']['text']  = sprintf(
-            esc_html(
-                _n('%s Registration', '%s Registrations', $registrations, 'event_espresso')
-            ),
-            number_format_i18n($registrations)
-        );
-        $items['registrations']['title'] = esc_html__('Click to view all registrations', 'event_espresso');
-
-        $items = (array) apply_filters('FHEE__EE_Admin__dashboard_glance_items__items', $items);
-
-        foreach ($items as $type => $item_properties) {
-            $elements[] = sprintf(
-                '<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
-                $item_properties['url'],
-                $item_properties['title'],
-                $item_properties['text']
-            );
-        }
-        return $elements;
-    }
-
-
-    /**
-     * check_for_invalid_datetime_formats
-     * if an admin changes their date or time format settings on the WP General Settings admin page, verify that
-     * their selected format can be parsed by PHP
-     *
-     * @param    $value
-     * @param    $option
-     * @return    string
-     */
-    public function check_for_invalid_datetime_formats($value, $option)
-    {
-        // check for date_format or time_format
-        switch ($option) {
-            case 'date_format':
-                $date_time_format = $value . ' ' . get_option('time_format');
-                break;
-            case 'time_format':
-                $date_time_format = get_option('date_format') . ' ' . $value;
-                break;
-            default:
-                $date_time_format = false;
-        }
-        // do we have a date_time format to check ?
-        if ($date_time_format) {
-            $error_msg = EEH_DTT_Helper::validate_format_string($date_time_format);
-
-            if (is_array($error_msg)) {
-                $msg = '<p>'
-                       . sprintf(
-                           esc_html__(
-                               'The following date time "%s" ( %s ) is difficult to be properly parsed by PHP for the following reasons:',
-                               'event_espresso'
-                           ),
-                           date($date_time_format),
-                           $date_time_format
-                       )
-                       . '</p><p><ul>';
-
-
-                foreach ($error_msg as $error) {
-                    $msg .= '<li>' . $error . '</li>';
-                }
-
-                $msg .= '</ul></p><p>'
-                        . sprintf(
-                            esc_html__(
-                                '%sPlease note that your date and time formats have been reset to "F j, Y" and "g:i a" respectively.%s',
-                                'event_espresso'
-                            ),
-                            '<span style="color:#D54E21;">',
-                            '</span>'
-                        )
-                        . '</p>';
-
-                // trigger WP settings error
-                add_settings_error(
-                    'date_format',
-                    'date_format',
-                    $msg
-                );
-
-                // set format to something valid
-                switch ($option) {
-                    case 'date_format':
-                        $value = 'F j, Y';
-                        break;
-                    case 'time_format':
-                        $value = 'g:i a';
-                        break;
-                }
-            }
-        }
-        return $value;
-    }
-
-
-    /**
-     * its_eSpresso - converts the less commonly used spelling of "Expresso" to "Espresso"
-     *
-     * @param $content
-     * @return    string
-     */
-    public function its_eSpresso($content)
-    {
-        return str_replace('[EXPRESSO_', '[ESPRESSO_', $content);
-    }
-
-
-    /**
-     * espresso_admin_footer
-     *
-     * @return    string
-     */
-    public function espresso_admin_footer()
-    {
-        return EEH_Template::powered_by_event_espresso('aln-cntr', '', ['utm_content' => 'admin_footer']);
-    }
-
-
-    /**
-     * static method for registering ee admin page.
-     * This method is deprecated in favor of the new location in EE_Register_Admin_Page::register.
-     *
-     * @param       $page_basename
-     * @param       $page_path
-     * @param array $config
-     * @return void
-     * @throws EE_Error
-     * @see        EE_Register_Admin_Page::register()
-     * @since      4.3.0
-     * @deprecated 4.3.0    Use EE_Register_Admin_Page::register() instead
-     */
-    public static function register_ee_admin_page($page_basename, $page_path, $config = [])
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__(
-                    'Usage is deprecated.  Use EE_Register_Admin_Page::register() for registering the %s admin page.',
-                    'event_espresso'
-                ),
-                $page_basename
-            ),
-            '4.3'
-        );
-        if (class_exists('EE_Register_Admin_Page')) {
-            $config['page_path'] = $page_path;
-        }
-        EE_Register_Admin_Page::register($page_basename, $config);
-    }
-
-
-    /**
-     * @param int     $post_ID
-     * @param WP_Post $post
-     * @return void
-     * @deprecated 4.8.41
-     */
-    public static function parse_post_content_on_save($post_ID, $post)
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__('Usage is deprecated', 'event_espresso'),
-            '4.8.41'
-        );
-    }
-
-
-    /**
-     * @param  $option
-     * @param  $old_value
-     * @param  $value
-     * @return void
-     * @deprecated 4.8.41
-     */
-    public function reset_page_for_posts_on_change($option, $old_value, $value)
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__('Usage is deprecated', 'event_espresso'),
-            '4.8.41'
-        );
-    }
-
-
-    /**
-     * @return void
-     * @deprecated 4.9.27
-     */
-    public function get_persistent_admin_notices()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-    }
-
-
-    /**
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     * @deprecated 4.9.27
-     */
-    public function dismiss_ee_nag_notice_callback()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-        $this->persistent_admin_notice_manager->dismissNotice();
-    }
-
-
-    /**
-     * Callback on load-plugins.php hook for setting up anything hooking into the wp plugins page.
-     *
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function hookIntoWpPluginsPage()
-    {
-        $this->loader->getShared('EventEspresso\core\domain\services\admin\ExitModal');
-        $this->loader
-             ->getShared('EventEspresso\core\domain\services\admin\PluginUpsells')
-             ->decafUpsells();
-    }
-
-
-    /**
-     * Hooks into the "post states" filter in a wp post type list table.
-     *
-     * @param array   $post_states
-     * @param WP_Post $post
-     * @return array
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function displayStateForCriticalPages($post_states, $post)
-    {
-        $post_states = (array) $post_states;
-        if (! $post instanceof WP_Post || $post->post_type !== 'page') {
-            return $post_states;
-        }
-        /** @var EE_Core_Config $config */
-        $config = $this->loader->getShared('EE_Config')->core;
-        if (in_array($post->ID, $config->get_critical_pages_array(), true)) {
-            $post_states[] = sprintf(
-            /* Translators: Using company name - Event Espresso Critical Page */
-                esc_html__('%s Critical Page', 'event_espresso'),
-                'Event Espresso'
-            );
-        }
-        return $post_states;
-    }
-
-
-    /**
-     * Show documentation links on the plugins page
-     *
-     * @param mixed $meta Plugin Row Meta
-     * @param mixed $file Plugin Base file
-     * @return array
-     */
-    public function addLinksToPluginRowMeta($meta, $file)
-    {
-        if (EE_PLUGIN_BASENAME === $file) {
-            $row_meta = [
-                'docs' => '<a href="https://eventespresso.com/support/documentation/versioned-docs/?doc_ver=ee4"'
-                          . ' aria-label="'
-                          . esc_attr__('View Event Espresso documentation', 'event_espresso')
-                          . '">'
-                          . esc_html__('Docs', 'event_espresso')
-                          . '</a>',
-                'api'  => '<a href="https://github.com/eventespresso/event-espresso-core/tree/master/docs/C--REST-API"'
-                          . ' aria-label="'
-                          . esc_attr__('View Event Espresso API docs', 'event_espresso')
-                          . '">'
-                          . esc_html__('API docs', 'event_espresso')
-                          . '</a>',
-            ];
-            return array_merge($meta, $row_meta);
-        }
-        return (array) $meta;
-    }
+	/**
+	 * @var EE_Admin $_instance
+	 */
+	private static $_instance;
+
+	/**
+	 * @var PersistentAdminNoticeManager $persistent_admin_notice_manager
+	 */
+	private $persistent_admin_notice_manager;
+
+	/**
+	 * @var LoaderInterface
+	 */
+	protected $loader;
+
+	/**
+	 * @var RequestInterface
+	 */
+	protected $request;
+
+
+	/**
+	 * @param RequestInterface $request
+	 * @singleton method used to instantiate class object
+	 * @return EE_Admin
+	 * @throws EE_Error
+	 */
+	public static function instance(RequestInterface $request = null)
+	{
+		// check if class object is instantiated
+		if (! self::$_instance instanceof EE_Admin) {
+			self::$_instance = new self($request);
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * @return EE_Admin
+	 * @throws EE_Error
+	 */
+	public static function reset()
+	{
+		self::$_instance = null;
+		$request         = LoaderFactory::getLoader()->getShared(RequestInterface::class);
+		return self::instance($request);
+	}
+
+
+	/**
+	 * @param RequestInterface $request
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	protected function __construct(RequestInterface $request)
+	{
+		$this->request = $request;
+		$this->loader = LoaderFactory::getLoader();
+		// define global EE_Admin constants
+		$this->_define_all_constants();
+		// set autoloaders for our admin page classes based on included path information
+		EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder(EE_ADMIN);
+		// admin hooks
+		add_filter('plugin_action_links', [$this, 'filter_plugin_actions'], 10, 2);
+		add_action('AHEE__EE_System__initialize_last', [$this, 'init']);
+		add_action('AHEE__EE_Admin_Page__route_admin_request', [$this, 'route_admin_request'], 100, 2);
+		add_action('wp_loaded', [$this, 'wp_loaded'], 100);
+		add_action('admin_init', [$this, 'admin_init'], 100);
+		add_action('admin_enqueue_scripts', [$this, 'enqueue_admin_scripts'], 20);
+		add_action('admin_notices', [$this, 'display_admin_notices'], 10);
+		add_action('network_admin_notices', [$this, 'display_admin_notices'], 10);
+		add_filter('pre_update_option', [$this, 'check_for_invalid_datetime_formats'], 100, 2);
+		add_filter('admin_footer_text', [$this, 'espresso_admin_footer']);
+		add_action('load-plugins.php', [$this, 'hookIntoWpPluginsPage']);
+		add_action('display_post_states', [$this, 'displayStateForCriticalPages'], 10, 2);
+		add_filter('plugin_row_meta', [$this, 'addLinksToPluginRowMeta'], 10, 2);
+		// reset Environment config (we only do this on admin page loads);
+		EE_Registry::instance()->CFG->environment->recheck_values();
+		do_action('AHEE__EE_Admin__loaded');
+	}
+
+
+	/**
+	 * _define_all_constants
+	 * define constants that are set globally for all admin pages
+	 *
+	 * @return void
+	 */
+	private function _define_all_constants()
+	{
+		if (! defined('EE_ADMIN_URL')) {
+			define('EE_ADMIN_URL', EE_PLUGIN_DIR_URL . 'core/admin/');
+			define('EE_ADMIN_PAGES_URL', EE_PLUGIN_DIR_URL . 'admin_pages/');
+			define('EE_ADMIN_TEMPLATE', EE_ADMIN . 'templates/');
+			define('WP_ADMIN_PATH', ABSPATH . 'wp-admin/');
+			define('WP_AJAX_URL', admin_url('admin-ajax.php'));
+		}
+	}
+
+
+	/**
+	 * filter_plugin_actions - adds links to the Plugins page listing
+	 *
+	 * @param array  $links
+	 * @param string $plugin
+	 * @return    array
+	 */
+	public function filter_plugin_actions($links, $plugin)
+	{
+		// set $main_file in stone
+		static $main_file;
+		// if $main_file is not set yet
+		if (! $main_file) {
+			$main_file = EE_PLUGIN_BASENAME;
+		}
+		if ($plugin === $main_file) {
+			// compare current plugin to this one
+			if (EE_Maintenance_Mode::instance()->level() === EE_Maintenance_Mode::level_2_complete_maintenance) {
+				$maintenance_link = '<a href="admin.php?page=espresso_maintenance_settings"'
+									. ' title="Event Espresso is in maintenance mode.  Click this link to learn why.">'
+									. esc_html__('Maintenance Mode Active', 'event_espresso')
+									. '</a>';
+				array_unshift($links, $maintenance_link);
+			} else {
+				$org_settings_link = '<a href="admin.php?page=espresso_general_settings">'
+									 . esc_html__('Settings', 'event_espresso')
+									 . '</a>';
+				$events_link       = '<a href="admin.php?page=espresso_events">'
+									 . esc_html__('Events', 'event_espresso')
+									 . '</a>';
+				// add before other links
+				array_unshift($links, $org_settings_link, $events_link);
+			}
+		}
+		return $links;
+	}
+
+
+	/**
+	 * @deprecated 4.10.14.p
+	 */
+	public function get_request()
+	{
+	}
+
+
+	/**
+	 * hide_admin_pages_except_maintenance_mode
+	 *
+	 * @param array $admin_page_folder_names
+	 * @return array
+	 */
+	public function hide_admin_pages_except_maintenance_mode($admin_page_folder_names = [])
+	{
+		return [
+			'maintenance' => EE_ADMIN_PAGES . 'maintenance/',
+			'about'       => EE_ADMIN_PAGES . 'about/',
+			'support'     => EE_ADMIN_PAGES . 'support/',
+		];
+	}
+
+
+	/**
+	 * init- should fire after shortcode, module,  addon, other plugin (default priority), and even
+	 * EE_Front_Controller's init phases have run
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws ServiceNotFoundException
+	 */
+	public function init()
+	{
+		// only enable most of the EE_Admin IF we're not in full maintenance mode
+		if (EE_Maintenance_Mode::instance()->models_can_query()) {
+			$this->initModelsReady();
+		}
+		// run the admin page factory but ONLY if:
+		// - it is a regular non ajax admin request
+		// - we are doing an ee admin ajax request
+		if ($this->request->isAdmin() || $this->request->isAdminAjax()) {
+			// this loads the controller for the admin pages which will setup routing etc
+			$this->loader->getShared('EE_Admin_Page_Loader', [$this->loader]);
+		}
+		if ($this->request->isAdminAjax()) {
+			return;
+		}
+		add_filter('content_save_pre', [$this, 'its_eSpresso'], 10, 1);
+		// make sure our CPTs and custom taxonomy metaboxes get shown for first time users
+		add_action('admin_head', [$this, 'enable_hidden_ee_nav_menu_metaboxes'], 10);
+		add_action('admin_head', [$this, 'register_custom_nav_menu_boxes'], 10);
+		// exclude EE critical pages from all nav menus and wp_list_pages
+		add_filter('nav_menu_meta_box_object', [$this, 'remove_pages_from_nav_menu'], 10);
+	}
+
+
+	/**
+	 * Gets the loader (and if it wasn't previously set, sets it)
+	 *
+	 * @return LoaderInterface
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function getLoader()
+	{
+		return $this->loader;
+	}
+
+
+	/**
+	 * Method that's fired on admin requests (including admin ajax) but only when the models are usable
+	 * (ie, the site isn't in maintenance mode)
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @since 4.9.63.p
+	 */
+	protected function initModelsReady()
+	{
+		// ok so we want to enable the entire admin
+		$this->persistent_admin_notice_manager = $this->loader->getShared(
+			'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+		);
+		$this->persistent_admin_notice_manager->setReturnUrl(
+			EE_Admin_Page::add_query_args_and_nonce(
+				[
+					'page'   => $this->request->getRequestParam('page'),
+					'action' => $this->request->getRequestParam('action'),
+				],
+				EE_ADMIN_URL
+			)
+		);
+		$this->maybeSetDatetimeWarningNotice();
+		// at a glance dashboard widget
+		add_filter('dashboard_glance_items', [$this, 'dashboard_glance_items'], 10);
+		// filter for get_edit_post_link used on comments for custom post types
+		add_filter('get_edit_post_link', [$this, 'modify_edit_post_link'], 10, 2);
+	}
+
+
+	/**
+	 *    get_persistent_admin_notices
+	 *
+	 * @access    public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function maybeSetDatetimeWarningNotice()
+	{
+		// add dismissible notice for datetime changes.  Only valid if site does not have a timezone_string set.
+		// @todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
+		// with this.  But after enough time (indeterminate at this point) we can just remove this notice.
+		// this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
+		if (
+			apply_filters('FHEE__EE_Admin__maybeSetDatetimeWarningNotice', true)
+			&& ! get_option('timezone_string')
+			&& EEM_Event::instance()->count() > 0
+		) {
+			new PersistentAdminNotice(
+				'datetime_fix_notice',
+				sprintf(
+					esc_html__(
+						'%1$sImportant announcement related to your install of Event Espresso%2$s: There are some changes made to your site that could affect how dates display for your events and other related items with dates and times.  Read more about it %3$shere%4$s. If your dates and times are displaying incorrectly (incorrect offset), you can fix it using the tool on %5$sthis page%4$s.',
+						'event_espresso'
+					),
+					'<strong>',
+					'</strong>',
+					'<a href="https://eventespresso.com/2017/08/important-upcoming-changes-dates-times">',
+					'</a>',
+					'<a href="' . EE_Admin_Page::add_query_args_and_nonce(
+						[
+							'page'   => 'espresso_maintenance_settings',
+							'action' => 'datetime_tools',
+						],
+						admin_url('admin.php')
+					) . '">'
+				),
+				false,
+				'manage_options',
+				'datetime_fix_persistent_notice'
+			);
+		}
+	}
+
+
+	/**
+	 * this simply hooks into the nav menu setup of pages metabox and makes sure that we remove EE critical pages from
+	 * the list of options. the wp function "wp_nav_menu_item_post_type_meta_box" found in
+	 * wp-admin/includes/nav-menu.php looks for the "_default_query" property on the post_type object and it uses that
+	 * to override any queries found in the existing query for the given post type.  Note that _default_query is not a
+	 * normal property on the post_type object.  It's found ONLY in this particular context.
+	 *
+	 * @param WP_Post $post_type WP post type object
+	 * @return WP_Post
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function remove_pages_from_nav_menu($post_type)
+	{
+		// if this isn't the "pages" post type let's get out
+		if ($post_type->name !== 'page') {
+			return $post_type;
+		}
+		$critical_pages            = EE_Registry::instance()->CFG->core->get_critical_pages_array();
+		$post_type->_default_query = [
+			'post__not_in' => $critical_pages,
+		];
+		return $post_type;
+	}
+
+
+	/**
+	 * WP by default only shows three metaboxes in "nav-menus.php" for first times users.  We want to make sure our
+	 * metaboxes get shown as well
+	 *
+	 * @return void
+	 */
+	public function enable_hidden_ee_nav_menu_metaboxes()
+	{
+		global $wp_meta_boxes, $pagenow;
+		if (! is_array($wp_meta_boxes) || $pagenow !== 'nav-menus.php') {
+			return;
+		}
+		$user = wp_get_current_user();
+		// has this been done yet?
+		if (get_user_option('ee_nav_menu_initialized', $user->ID)) {
+			return;
+		}
+
+		$hidden_meta_boxes  = get_user_option('metaboxhidden_nav-menus', $user->ID);
+		$initial_meta_boxes = apply_filters(
+			'FHEE__EE_Admin__enable_hidden_ee_nav_menu_boxes__initial_meta_boxes',
+			[
+				'nav-menu-theme-locations',
+				'add-page',
+				'add-custom-links',
+				'add-category',
+				'add-espresso_events',
+				'add-espresso_venues',
+				'add-espresso_event_categories',
+				'add-espresso_venue_categories',
+				'add-post-type-post',
+				'add-post-type-page',
+			]
+		);
+
+		if (is_array($hidden_meta_boxes)) {
+			foreach ($hidden_meta_boxes as $key => $meta_box_id) {
+				if (in_array($meta_box_id, $initial_meta_boxes, true)) {
+					unset($hidden_meta_boxes[ $key ]);
+				}
+			}
+		}
+		update_user_option($user->ID, 'metaboxhidden_nav-menus', $hidden_meta_boxes, true);
+		update_user_option($user->ID, 'ee_nav_menu_initialized', 1, true);
+	}
+
+
+	/**
+	 * This method simply registers custom nav menu boxes for "nav_menus.php route"
+	 * Currently EE is using this to make sure there are menu options for our CPT archive page routes.
+	 *
+	 * @return void
+	 * @todo   modify this so its more dynamic and automatic for all ee CPTs and setups and can also be hooked into by
+	 *         addons etc.
+	 */
+	public function register_custom_nav_menu_boxes()
+	{
+		add_meta_box(
+			'add-extra-nav-menu-pages',
+			esc_html__('Event Espresso Pages', 'event_espresso'),
+			[$this, 'ee_cpt_archive_pages'],
+			'nav-menus',
+			'side',
+			'core'
+		);
+	}
+
+
+	/**
+	 * Use this to edit the post link for our cpts so that the edit link points to the correct page.
+	 *
+	 * @param string $link the original link generated by wp
+	 * @param int    $id   post id
+	 * @return string  the (maybe) modified link
+	 * @since   4.3.0
+	 */
+	public function modify_edit_post_link($link, $id)
+	{
+		if (! $post = get_post($id)) {
+			return $link;
+		}
+		if ($post->post_type === 'espresso_attendees') {
+			$query_args = [
+				'action' => 'edit_attendee',
+				'post'   => $id,
+			];
+			return EEH_URL::add_query_args_and_nonce(
+				$query_args,
+				admin_url('admin.php?page=espresso_registrations')
+			);
+		}
+		return $link;
+	}
+
+
+	public function ee_cpt_archive_pages()
+	{
+		global $nav_menu_selected_id;
+		$removed_args = [
+			'action',
+			'customlink-tab',
+			'edit-menu-item',
+			'menu-item',
+			'page-tab',
+			'_wpnonce',
+		];
+		$nav_tab_link = $nav_menu_selected_id
+			? esc_url(
+				add_query_arg(
+					'extra-nav-menu-pages-tab',
+					'event-archives',
+					remove_query_arg($removed_args)
+				)
+			)
+			: '';
+		$select_all_link = esc_url(
+			add_query_arg(
+				[
+					'extra-nav-menu-pages-tab' => 'event-archives',
+					'selectall'                => 1,
+				],
+				remove_query_arg($removed_args)
+			)
+		);
+		$pages = $this->_get_extra_nav_menu_pages_items();
+		$args['walker'] = new Walker_Nav_Menu_Checklist(false);
+		;
+		$nav_menu_pages_items = walk_nav_menu_tree(
+			array_map(
+				[$this, '_setup_extra_nav_menu_pages_items'],
+				$pages
+			),
+			0,
+			(object) $args
+		);
+
+		EEH_Template::display_template(
+			EE_ADMIN_TEMPLATE . 'cpt_archive_page.template.php',
+			[
+				$nav_menu_pages_items,
+				$nav_tab_link,
+				$select_all_link,
+			]
+		);
+	}
+
+
+	/**
+	 * Returns an array of event archive nav items.
+	 *
+	 * @return array
+	 * @todo  for now this method is just in place so when it gets abstracted further we can substitute in whatever
+	 *        method we use for getting the extra nav menu items
+	 */
+	private function _get_extra_nav_menu_pages_items()
+	{
+		$menuitems[] = [
+			'title'       => esc_html__('Event List', 'event_espresso'),
+			'url'         => get_post_type_archive_link('espresso_events'),
+			'description' => esc_html__('Archive page for all events.', 'event_espresso'),
+		];
+		return apply_filters('FHEE__EE_Admin__get_extra_nav_menu_pages_items', $menuitems);
+	}
+
+
+	/**
+	 * Setup nav menu walker item for usage in the event archive nav menu metabox.  It receives a menu_item array with
+	 * the properties and converts it to the menu item object.
+	 *
+	 * @param $menu_item_values
+	 * @return stdClass
+	 * @see wp_setup_nav_menu_item() in wp-includes/nav-menu.php
+	 */
+	private function _setup_extra_nav_menu_pages_items($menu_item_values)
+	{
+		$menu_item = new stdClass();
+		$keys      = [
+			'ID'               => 0,
+			'db_id'            => 0,
+			'menu_item_parent' => 0,
+			'object_id'        => -1,
+			'post_parent'      => 0,
+			'type'             => 'custom',
+			'object'           => '',
+			'type_label'       => esc_html__('Extra Nav Menu Item', 'event_espresso'),
+			'title'            => '',
+			'url'              => '',
+			'target'           => '',
+			'attr_title'       => '',
+			'description'      => '',
+			'classes'          => [],
+			'xfn'              => '',
+		];
+
+		foreach ($keys as $key => $value) {
+			$menu_item->{$key} = isset($menu_item_values[ $key ]) ? $menu_item_values[ $key ] : $value;
+		}
+		return $menu_item;
+	}
+
+
+	/**
+	 * This is the action hook for the AHEE__EE_Admin_Page__route_admin_request hook that fires off right before an
+	 * EE_Admin_Page route is called.
+	 *
+	 * @return void
+	 */
+	public function route_admin_request()
+	{
+	}
+
+
+	/**
+	 * wp_loaded should fire on the WordPress wp_loaded hook.  This fires on a VERY late priority.
+	 *
+	 * @return void
+	 */
+	public function wp_loaded()
+	{
+	}
+
+
+	/**
+	 * admin_init
+	 *
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function admin_init()
+	{
+		/**
+		 * our cpt models must be instantiated on WordPress post processing routes (wp-admin/post.php),
+		 * so any hooking into core WP routes is taken care of.  So in this next few lines of code:
+		 * - check if doing post processing.
+		 * - check if doing post processing of one of EE CPTs
+		 * - instantiate the corresponding EE CPT model for the post_type being processed.
+		 */
+		$action    = $this->request->getRequestParam('action');
+		$post_type = $this->request->getRequestParam('post_type');
+		if ($post_type && $action === 'editpost') {
+			/** @var CustomPostTypeDefinitions $custom_post_types */
+			$custom_post_types = $this->loader->getShared(CustomPostTypeDefinitions::class);
+			$custom_post_types->getCustomPostTypeModels($post_type);
+		}
+
+
+		/**
+		 * This code excludes EE critical pages anywhere `wp_dropdown_pages` is used to create a dropdown for selecting
+		 * critical pages.  The only place critical pages need included in a generated dropdown is on the "Critical
+		 * Pages" tab in the EE General Settings Admin page.
+		 * This is for user-proofing.
+		 */
+		add_filter('wp_dropdown_pages', [$this, 'modify_dropdown_pages']);
+		if (EE_Maintenance_Mode::instance()->models_can_query()) {
+			$this->adminInitModelsReady();
+		}
+	}
+
+
+	/**
+	 * Runs on admin_init but only if models are usable (ie, we're not in maintenance mode)
+	 */
+	protected function adminInitModelsReady()
+	{
+		if (function_exists('wp_add_privacy_policy_content')) {
+			$this->loader->getShared('EventEspresso\core\services\privacy\policy\PrivacyPolicyManager');
+		}
+	}
+
+
+	/**
+	 * Callback for wp_dropdown_pages hook to remove ee critical pages from the dropdown selection.
+	 *
+	 * @param string $output Current output.
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function modify_dropdown_pages($output)
+	{
+		// get critical pages
+		$critical_pages = EE_Registry::instance()->CFG->core->get_critical_pages_array();
+
+		// split current output by line break for easier parsing.
+		$split_output = explode("\n", $output);
+
+		// loop through to remove any critical pages from the array.
+		foreach ($critical_pages as $page_id) {
+			$needle = 'value="' . $page_id . '"';
+			foreach ($split_output as $key => $haystack) {
+				if (strpos($haystack, $needle) !== false) {
+					unset($split_output[ $key ]);
+				}
+			}
+		}
+		// replace output with the new contents
+		return implode("\n", $split_output);
+	}
+
+
+	/**
+	 * enqueue all admin scripts that need loaded for admin pages
+	 *
+	 * @return void
+	 */
+	public function enqueue_admin_scripts()
+	{
+		// this javascript is loaded on every admin page to catch any injections ee needs to add to wp run js.
+		// Note: the intention of this script is to only do TARGETED injections.  I.E, only injecting on certain script
+		// calls.
+		wp_enqueue_script(
+			'ee-inject-wp',
+			EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
+			['jquery'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		// register cookie script for future dependencies
+		wp_register_script(
+			'jquery-cookie',
+			EE_THIRD_PARTY_URL . 'joyride/jquery.cookie.js',
+			['jquery'],
+			'2.1',
+			true
+		);
+		// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+		// joyride is turned OFF by default, but prior to the admin_enqueue_scripts hook, can be turned back on again
+		// via: add_filter('FHEE_load_joyride', '__return_true' );
+		// if (apply_filters('FHEE_load_joyride', false)) {
+		//     // joyride style
+		//     wp_register_style('joyride-css', EE_THIRD_PARTY_URL . 'joyride/joyride-2.1.css', array(), '2.1');
+		//     wp_register_style(
+		//         'ee-joyride-css',
+		//         EE_GLOBAL_ASSETS_URL . 'css/ee-joyride-styles.css',
+		//         array('joyride-css'),
+		//         EVENT_ESPRESSO_VERSION
+		//     );
+		//     wp_register_script(
+		//         'joyride-modernizr',
+		//         EE_THIRD_PARTY_URL . 'joyride/modernizr.mq.js',
+		//         array(),
+		//         '2.1',
+		//         true
+		//     );
+		//     // joyride JS
+		//     wp_register_script(
+		//         'jquery-joyride',
+		//         EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
+		//         array('jquery-cookie', 'joyride-modernizr'),
+		//         '2.1',
+		//         true
+		//     );
+		//     // wanna go for a joyride?
+		//     wp_enqueue_style('ee-joyride-css');
+		//     wp_enqueue_script('jquery-joyride');
+		// }
+	}
+
+
+	/**
+	 * display_admin_notices
+	 *
+	 * @return void
+	 */
+	public function display_admin_notices()
+	{
+		echo EE_Error::get_notices(); // already escaped
+	}
+
+
+	/**
+	 * @param array $elements
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function dashboard_glance_items($elements)
+	{
+		$elements                        = is_array($elements) ? $elements : [$elements];
+		$events                          = EEM_Event::instance()->count();
+		$items['events']['url']          = EE_Admin_Page::add_query_args_and_nonce(
+			['page' => 'espresso_events'],
+			admin_url('admin.php')
+		);
+		$items['events']['text']         = sprintf(
+			esc_html(
+				_n('%s Event', '%s Events', $events, 'event_espresso')
+			),
+			number_format_i18n($events)
+		);
+		$items['events']['title']        = esc_html__('Click to view all Events', 'event_espresso');
+		$registrations                   = EEM_Registration::instance()->count(
+			[
+				[
+					'STS_ID' => ['!=', EEM_Registration::status_id_incomplete],
+				],
+			]
+		);
+		$items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
+			['page' => 'espresso_registrations'],
+			admin_url('admin.php')
+		);
+		$items['registrations']['text']  = sprintf(
+			esc_html(
+				_n('%s Registration', '%s Registrations', $registrations, 'event_espresso')
+			),
+			number_format_i18n($registrations)
+		);
+		$items['registrations']['title'] = esc_html__('Click to view all registrations', 'event_espresso');
+
+		$items = (array) apply_filters('FHEE__EE_Admin__dashboard_glance_items__items', $items);
+
+		foreach ($items as $type => $item_properties) {
+			$elements[] = sprintf(
+				'<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
+				$item_properties['url'],
+				$item_properties['title'],
+				$item_properties['text']
+			);
+		}
+		return $elements;
+	}
+
+
+	/**
+	 * check_for_invalid_datetime_formats
+	 * if an admin changes their date or time format settings on the WP General Settings admin page, verify that
+	 * their selected format can be parsed by PHP
+	 *
+	 * @param    $value
+	 * @param    $option
+	 * @return    string
+	 */
+	public function check_for_invalid_datetime_formats($value, $option)
+	{
+		// check for date_format or time_format
+		switch ($option) {
+			case 'date_format':
+				$date_time_format = $value . ' ' . get_option('time_format');
+				break;
+			case 'time_format':
+				$date_time_format = get_option('date_format') . ' ' . $value;
+				break;
+			default:
+				$date_time_format = false;
+		}
+		// do we have a date_time format to check ?
+		if ($date_time_format) {
+			$error_msg = EEH_DTT_Helper::validate_format_string($date_time_format);
+
+			if (is_array($error_msg)) {
+				$msg = '<p>'
+					   . sprintf(
+						   esc_html__(
+							   'The following date time "%s" ( %s ) is difficult to be properly parsed by PHP for the following reasons:',
+							   'event_espresso'
+						   ),
+						   date($date_time_format),
+						   $date_time_format
+					   )
+					   . '</p><p><ul>';
+
+
+				foreach ($error_msg as $error) {
+					$msg .= '<li>' . $error . '</li>';
+				}
+
+				$msg .= '</ul></p><p>'
+						. sprintf(
+							esc_html__(
+								'%sPlease note that your date and time formats have been reset to "F j, Y" and "g:i a" respectively.%s',
+								'event_espresso'
+							),
+							'<span style="color:#D54E21;">',
+							'</span>'
+						)
+						. '</p>';
+
+				// trigger WP settings error
+				add_settings_error(
+					'date_format',
+					'date_format',
+					$msg
+				);
+
+				// set format to something valid
+				switch ($option) {
+					case 'date_format':
+						$value = 'F j, Y';
+						break;
+					case 'time_format':
+						$value = 'g:i a';
+						break;
+				}
+			}
+		}
+		return $value;
+	}
+
+
+	/**
+	 * its_eSpresso - converts the less commonly used spelling of "Expresso" to "Espresso"
+	 *
+	 * @param $content
+	 * @return    string
+	 */
+	public function its_eSpresso($content)
+	{
+		return str_replace('[EXPRESSO_', '[ESPRESSO_', $content);
+	}
+
+
+	/**
+	 * espresso_admin_footer
+	 *
+	 * @return    string
+	 */
+	public function espresso_admin_footer()
+	{
+		return EEH_Template::powered_by_event_espresso('aln-cntr', '', ['utm_content' => 'admin_footer']);
+	}
+
+
+	/**
+	 * static method for registering ee admin page.
+	 * This method is deprecated in favor of the new location in EE_Register_Admin_Page::register.
+	 *
+	 * @param       $page_basename
+	 * @param       $page_path
+	 * @param array $config
+	 * @return void
+	 * @throws EE_Error
+	 * @see        EE_Register_Admin_Page::register()
+	 * @since      4.3.0
+	 * @deprecated 4.3.0    Use EE_Register_Admin_Page::register() instead
+	 */
+	public static function register_ee_admin_page($page_basename, $page_path, $config = [])
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__(
+					'Usage is deprecated.  Use EE_Register_Admin_Page::register() for registering the %s admin page.',
+					'event_espresso'
+				),
+				$page_basename
+			),
+			'4.3'
+		);
+		if (class_exists('EE_Register_Admin_Page')) {
+			$config['page_path'] = $page_path;
+		}
+		EE_Register_Admin_Page::register($page_basename, $config);
+	}
+
+
+	/**
+	 * @param int     $post_ID
+	 * @param WP_Post $post
+	 * @return void
+	 * @deprecated 4.8.41
+	 */
+	public static function parse_post_content_on_save($post_ID, $post)
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__('Usage is deprecated', 'event_espresso'),
+			'4.8.41'
+		);
+	}
+
+
+	/**
+	 * @param  $option
+	 * @param  $old_value
+	 * @param  $value
+	 * @return void
+	 * @deprecated 4.8.41
+	 */
+	public function reset_page_for_posts_on_change($option, $old_value, $value)
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__('Usage is deprecated', 'event_espresso'),
+			'4.8.41'
+		);
+	}
+
+
+	/**
+	 * @return void
+	 * @deprecated 4.9.27
+	 */
+	public function get_persistent_admin_notices()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+	}
+
+
+	/**
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 * @deprecated 4.9.27
+	 */
+	public function dismiss_ee_nag_notice_callback()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+		$this->persistent_admin_notice_manager->dismissNotice();
+	}
+
+
+	/**
+	 * Callback on load-plugins.php hook for setting up anything hooking into the wp plugins page.
+	 *
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function hookIntoWpPluginsPage()
+	{
+		$this->loader->getShared('EventEspresso\core\domain\services\admin\ExitModal');
+		$this->loader
+			 ->getShared('EventEspresso\core\domain\services\admin\PluginUpsells')
+			 ->decafUpsells();
+	}
+
+
+	/**
+	 * Hooks into the "post states" filter in a wp post type list table.
+	 *
+	 * @param array   $post_states
+	 * @param WP_Post $post
+	 * @return array
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function displayStateForCriticalPages($post_states, $post)
+	{
+		$post_states = (array) $post_states;
+		if (! $post instanceof WP_Post || $post->post_type !== 'page') {
+			return $post_states;
+		}
+		/** @var EE_Core_Config $config */
+		$config = $this->loader->getShared('EE_Config')->core;
+		if (in_array($post->ID, $config->get_critical_pages_array(), true)) {
+			$post_states[] = sprintf(
+			/* Translators: Using company name - Event Espresso Critical Page */
+				esc_html__('%s Critical Page', 'event_espresso'),
+				'Event Espresso'
+			);
+		}
+		return $post_states;
+	}
+
+
+	/**
+	 * Show documentation links on the plugins page
+	 *
+	 * @param mixed $meta Plugin Row Meta
+	 * @param mixed $file Plugin Base file
+	 * @return array
+	 */
+	public function addLinksToPluginRowMeta($meta, $file)
+	{
+		if (EE_PLUGIN_BASENAME === $file) {
+			$row_meta = [
+				'docs' => '<a href="https://eventespresso.com/support/documentation/versioned-docs/?doc_ver=ee4"'
+						  . ' aria-label="'
+						  . esc_attr__('View Event Espresso documentation', 'event_espresso')
+						  . '">'
+						  . esc_html__('Docs', 'event_espresso')
+						  . '</a>',
+				'api'  => '<a href="https://github.com/eventespresso/event-espresso-core/tree/master/docs/C--REST-API"'
+						  . ' aria-label="'
+						  . esc_attr__('View Event Espresso API docs', 'event_espresso')
+						  . '">'
+						  . esc_html__('API docs', 'event_espresso')
+						  . '</a>',
+			];
+			return array_merge($meta, $row_meta);
+		}
+		return (array) $meta;
+	}
 }

core/admin/EE_Admin_Page.core.php

Indentation +4112 added lines, -4112 removed lines

@@ -18,4188 +18,4188 @@
 abstract class EE_Admin_Page extends EE_Base implements InterminableInterface
 {
 
-    /**
-     * @var LoaderInterface
-     */
-    protected $loader;
+	/**
+	 * @var LoaderInterface
+	 */
+	protected $loader;
 
-    /**
-     * @var RequestInterface
-     */
-    protected $request;
+	/**
+	 * @var RequestInterface
+	 */
+	protected $request;
 
-    // set in _init_page_props()
-    public $page_slug;
+	// set in _init_page_props()
+	public $page_slug;
 
-    public $page_label;
+	public $page_label;
 
-    public $page_folder;
+	public $page_folder;
 
-    // set in define_page_props()
-    protected $_admin_base_url;
+	// set in define_page_props()
+	protected $_admin_base_url;
 
-    protected $_admin_base_path;
+	protected $_admin_base_path;
 
-    protected $_admin_page_title;
+	protected $_admin_page_title;
 
-    protected $_labels;
+	protected $_labels;
 
 
-    // set early within EE_Admin_Init
-    protected $_wp_page_slug;
+	// set early within EE_Admin_Init
+	protected $_wp_page_slug;
 
-    // navtabs
-    protected $_nav_tabs;
+	// navtabs
+	protected $_nav_tabs;
 
-    protected $_default_nav_tab_name;
+	protected $_default_nav_tab_name;
 
-    /**
-     * @var array $_help_tour
-     */
-    protected $_help_tour = [];
+	/**
+	 * @var array $_help_tour
+	 */
+	protected $_help_tour = [];
 
 
-    // template variables (used by templates)
-    protected $_template_path;
+	// template variables (used by templates)
+	protected $_template_path;
 
-    protected $_column_template_path;
+	protected $_column_template_path;
 
-    /**
-     * @var array $_template_args
-     */
-    protected $_template_args = [];
+	/**
+	 * @var array $_template_args
+	 */
+	protected $_template_args = [];
 
-    /**
-     * this will hold the list table object for a given view.
-     *
-     * @var EE_Admin_List_Table $_list_table_object
-     */
-    protected $_list_table_object;
+	/**
+	 * this will hold the list table object for a given view.
+	 *
+	 * @var EE_Admin_List_Table $_list_table_object
+	 */
+	protected $_list_table_object;
 
-    // bools
-    protected $_is_UI_request = null; // this starts at null so we can have no header routes progress through two states.
+	// bools
+	protected $_is_UI_request = null; // this starts at null so we can have no header routes progress through two states.
 
-    protected $_routing;
+	protected $_routing;
 
-    // list table args
-    protected $_view;
+	// list table args
+	protected $_view;
 
-    protected $_views;
+	protected $_views;
 
 
-    // action => method pairs used for routing incoming requests
-    protected $_page_routes;
+	// action => method pairs used for routing incoming requests
+	protected $_page_routes;
 
-    /**
-     * @var array $_page_config
-     */
-    protected $_page_config;
+	/**
+	 * @var array $_page_config
+	 */
+	protected $_page_config;
 
-    /**
-     * the current page route and route config
-     *
-     * @var string $_route
-     */
-    protected $_route;
+	/**
+	 * the current page route and route config
+	 *
+	 * @var string $_route
+	 */
+	protected $_route;
 
-    /**
-     * @var string $_cpt_route
-     */
-    protected $_cpt_route;
+	/**
+	 * @var string $_cpt_route
+	 */
+	protected $_cpt_route;
 
-    /**
-     * @var array $_route_config
-     */
-    protected $_route_config;
+	/**
+	 * @var array $_route_config
+	 */
+	protected $_route_config;
 
-    /**
-     * Used to hold default query args for list table routes to help preserve stickiness of filters for carried out
-     * actions.
-     *
-     * @since 4.6.x
-     * @var array.
-     */
-    protected $_default_route_query_args;
-
-    // set via request page and action args.
-    protected $_current_page;
-
-    protected $_current_view;
-
-    protected $_current_page_view_url;
-
-    /**
-     * unprocessed value for the 'action' request param (default '')
-     *
-     * @var string
-     */
-    protected $raw_req_action = '';
-
-    /**
-     * unprocessed value for the 'page' request param (default '')
-     *
-     * @var string
-     */
-    protected $raw_req_page = '';
-
-    /**
-     * sanitized request action (and nonce)
-     *
-     * @var string
-     */
-    protected $_req_action = '';
-
-    /**
-     * sanitized request action nonce
-     *
-     * @var string
-     */
-    protected $_req_nonce = '';
-
-    /**
-     * @var string
-     */
-    protected $_search_btn_label = '';
-
-    /**
-     * @var string
-     */
-    protected $_search_box_callback = '';
-
-    /**
-     * @var WP_Screen
-     */
-    protected $_current_screen;
-
-    // for holding EE_Admin_Hooks object when needed (set via set_hook_object())
-    protected $_hook_obj;
-
-    // for holding incoming request data
-    protected $_req_data = [];
-
-    // yes / no array for admin form fields
-    protected $_yes_no_values = [];
-
-    // some default things shared by all child classes
-    protected $_default_espresso_metaboxes;
-
-    /**
-     * @var EE_Registry
-     */
-    protected $EE = null;
-
-
-    /**
-     * This is just a property that flags whether the given route is a caffeinated route or not.
-     *
-     * @var boolean
-     */
-    protected $_is_caf = false;
-
-
-    /**
-     * @Constructor
-     * @param bool $routing indicate whether we want to just load the object and handle routing or just load the object.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function __construct($routing = true)
-    {
-        $this->loader  = LoaderFactory::getLoader();
-        $this->request = $this->loader->getShared(RequestInterface::class);
-        $this->_routing = $routing;
-
-        if (strpos($this->_get_dir(), 'caffeinated') !== false) {
-            $this->_is_caf = true;
-        }
-        $this->_yes_no_values = [
-            ['id' => true, 'text' => esc_html__('Yes', 'event_espresso')],
-            ['id' => false, 'text' => esc_html__('No', 'event_espresso')],
-        ];
-        // set the _req_data property.
-        $this->_req_data = $this->request->requestParams();
-        // set initial page props (child method)
-        $this->_init_page_props();
-        // set global defaults
-        $this->_set_defaults();
-        // set early because incoming requests could be ajax related and we need to register those hooks.
-        $this->_global_ajax_hooks();
-        $this->_ajax_hooks();
-        // other_page_hooks have to be early too.
-        $this->_do_other_page_hooks();
-        // set up page dependencies
-        $this->_before_page_setup();
-        $this->_page_setup();
-        // die();
-    }
-
-
-    /**
-     * _init_page_props
-     * Child classes use to set at least the following properties:
-     * $page_slug.
-     * $page_label.
-     *
-     * @abstract
-     * @return void
-     */
-    abstract protected function _init_page_props();
-
-
-    /**
-     * _ajax_hooks
-     * child classes put all their add_action('wp_ajax_{name_of_hook}') hooks in here.
-     * Note: within the ajax callback methods.
-     *
-     * @abstract
-     * @return void
-     */
-    abstract protected function _ajax_hooks();
-
-
-    /**
-     * _define_page_props
-     * child classes define page properties in here.  Must include at least:
-     * $_admin_base_url = base_url for all admin pages
-     * $_admin_page_title = default admin_page_title for admin pages
-     * $_labels = array of default labels for various automatically generated elements:
-     *    array(
-     *        'buttons' => array(
-     *            'add' => esc_html__('label for add new button'),
-     *            'edit' => esc_html__('label for edit button'),
-     *            'delete' => esc_html__('label for delete button')
-     *            )
-     *        )
-     *
-     * @abstract
-     * @return void
-     */
-    abstract protected function _define_page_props();
-
-
-    /**
-     * _set_page_routes
-     * child classes use this to define the page routes for all subpages handled by the class.  Page routes are
-     * assigned to a action => method pairs in an array and to the $_page_routes property.  Each page route must also
-     * have a 'default' route. Here's the format
-     * $this->_page_routes = array(
-     *        'default' => array(
-     *            'func' => '_default_method_handling_route',
-     *            'args' => array('array','of','args'),
-     *            'noheader' => true, //add this in if this page route is processed before any headers are loaded (i.e.
-     *            ajax request, backend processing)
-     *            'headers_sent_route'=>'headers_route_reference', //add this if noheader=>true, and you want to load a
-     *            headers route after.  The string you enter here should match the defined route reference for a
-     *            headers sent route.
-     *            'capability' => 'route_capability', //indicate a string for minimum capability required to access
-     *            this route.
-     *            'obj_id' => 10 // if this route has an object id, then this can include it (used for capability
-     *            checks).
-     *        ),
-     *        'insert_item' => '_method_for_handling_insert_item' //this can be used if all we need to have is a
-     *        handling method.
-     *        )
-     * )
-     *
-     * @abstract
-     * @return void
-     */
-    abstract protected function _set_page_routes();
-
-
-    /**
-     * _set_page_config
-     * child classes use this to define the _page_config array for all subpages handled by the class. Each key in the
-     * array corresponds to the page_route for the loaded page. Format:
-     * $this->_page_config = array(
-     *        'default' => array(
-     *            'labels' => array(
-     *                'buttons' => array(
-     *                    'add' => esc_html__('label for adding item'),
-     *                    'edit' => esc_html__('label for editing item'),
-     *                    'delete' => esc_html__('label for deleting item')
-     *                ),
-     *                'publishbox' => esc_html__('Localized Title for Publish metabox', 'event_espresso')
-     *            ), //optional an array of custom labels for various automatically generated elements to use on the
-     *            page. If this isn't present then the defaults will be used as set for the $this->_labels in
-     *            _define_page_props() method
-     *            'nav' => array(
-     *                'label' => esc_html__('Label for Tab', 'event_espresso').
-     *                'url' => 'http://someurl', //automatically generated UNLESS you define
-     *                'css_class' => 'css-class', //automatically generated UNLESS you define
-     *                'order' => 10, //required to indicate tab position.
-     *                'persistent' => false //if you want the nav tab to ONLY display when the specific route is
-     *                displayed then add this parameter.
-     *            'list_table' => 'name_of_list_table' //string for list table class to be loaded for this admin_page.
-     *            'metaboxes' => array('metabox1', 'metabox2'), //if present this key indicates we want to load
-     *            metaboxes set for eventespresso admin pages.
-     *            'has_metaboxes' => true, //this boolean flag can simply be used to indicate if the route will have
-     *            metaboxes.  Typically this is used if the 'metaboxes' index is not used because metaboxes are added
-     *            later.  We just use this flag to make sure the necessary js gets enqueued on page load.
-     *            'has_help_popups' => false //defaults(true) //this boolean flag can simply be used to indicate if the
-     *            given route has help popups setup and if it does then we need to make sure thickbox is enqueued.
-     *            'columns' => array(4, 2), //this key triggers the setup of a page that uses columns (metaboxes).  The
-     *            array indicates the max number of columns (4) and the default number of columns on page load (2).
-     *            There is an option in the "screen_options" dropdown that is setup so users can pick what columns they
-     *            want to display.
-     *            'help_tabs' => array( //this is used for adding help tabs to a page
-     *                'tab_id' => array(
-     *                    'title' => 'tab_title',
-     *                    'filename' => 'name_of_file_containing_content', //this is the primary method for setting
-     *                    help tab content.  The fallback if it isn't present is to try a the callback.  Filename
-     *                    should match a file in the admin folder's "help_tabs" dir (ie..
-     *                    events/help_tabs/name_of_file_containing_content.help_tab.php)
-     *                    'callback' => 'callback_method_for_content', //if 'filename' isn't present then system will
-     *                    attempt to use the callback which should match the name of a method in the class
-     *                    ),
-     *                'tab2_id' => array(
-     *                    'title' => 'tab2 title',
-     *                    'filename' => 'file_name_2'
-     *                    'callback' => 'callback_method_for_content',
-     *                 ),
-     *            'help_sidebar' => 'callback_for_sidebar_content', //this is used for setting up the sidebar in the
-     *            help tab area on an admin page. @return void
-     *
-     * @link
-     *                http://make.wordpress.org/core/2011/12/06/help-and-screen-api-changes-in-3-3/
-     *                'help_tour' => array(
-     *                'name_of_help_tour_class', //all help tours should be a child class of EE_Help_Tour and located
-     *                in a folder for this admin page named "help_tours", a file name matching the key given here
-     *                (name_of_help_tour_class.class.php), and class matching key given here (name_of_help_tour_class)
-     *                ),
-     *                'require_nonce' => TRUE //this is used if you want to set a route to NOT require a nonce (default
-     *                is true if it isn't present).  To remove the requirement for a nonce check when this route is
-     *                visited just set
-     *                'require_nonce' to FALSE
-     *                )
-     *                )
-     *
-     * @abstract
-     */
-    abstract protected function _set_page_config();
-
-
-
-
-
-    /** end sample help_tour methods **/
-    /**
-     * _add_screen_options
-     * Child classes can add any extra wp_screen_options within this method using built-in WP functions/methods for
-     * doing so. Note child classes can also define _add_screen_options_($this->_current_view) to limit screen options
-     * to a particular view.
-     *
-     * @link   http://chrismarslender.com/wp-tutorials/wordpress-screen-options-tutorial/
-     *         see also WP_Screen object documents...
-     * @link   http://codex.wordpress.org/Class_Reference/WP_Screen
-     * @abstract
-     * @return void
-     */
-    abstract protected function _add_screen_options();
-
-
-    /**
-     * _add_feature_pointers
-     * Child classes should use this method for implementing any "feature pointers" (using built-in WP styling js).
-     * Note child classes can also define _add_feature_pointers_($this->_current_view) to limit screen options to a
-     * particular view. Note: this is just a placeholder for now.  Implementation will come down the road See:
-     * WP_Internal_Pointers class in wp-admin/includes/template.php for example (its a final class so can't be
-     * extended) also see:
-     *
-     * @link   http://eamann.com/tech/wordpress-portland/
-     * @abstract
-     * @return void
-     */
-    abstract protected function _add_feature_pointers();
-
-
-    /**
-     * load_scripts_styles
-     * child classes put their wp_enqueue_script and wp_enqueue_style hooks in here for anything they need loaded for
-     * their pages/subpages.  Note this is for all pages/subpages of the system.  You can also load only specific
-     * scripts/styles per view by putting them in a dynamic function in this format
-     * (load_scripts_styles_{$this->_current_view}) which matches your page route (action request arg)
-     *
-     * @abstract
-     * @return void
-     */
-    abstract public function load_scripts_styles();
-
-
-    /**
-     * admin_init
-     * Anything that should be set/executed at 'admin_init' WP hook runtime should be put in here.  This will apply to
-     * all pages/views loaded by child class.
-     *
-     * @abstract
-     * @return void
-     */
-    abstract public function admin_init();
-
-
-    /**
-     * admin_notices
-     * Anything triggered by the 'admin_notices' WP hook should be put in here.  This particular method will apply to
-     * all pages/views loaded by child class.
-     *
-     * @abstract
-     * @return void
-     */
-    abstract public function admin_notices();
-
-
-    /**
-     * admin_footer_scripts
-     * Anything triggered by the 'admin_print_footer_scripts' WP hook should be put in here. This particular method
-     * will apply to all pages/views loaded by child class.
-     *
-     * @return void
-     */
-    abstract public function admin_footer_scripts();
-
-
-    /**
-     * admin_footer
-     * anything triggered by the 'admin_footer' WP action hook should be added to here. This particular method will
-     * apply to all pages/views loaded by child class.
-     *
-     * @return void
-     */
-    public function admin_footer()
-    {
-    }
-
-
-    /**
-     * _global_ajax_hooks
-     * all global add_action('wp_ajax_{name_of_hook}') hooks in here.
-     * Note: within the ajax callback methods.
-     *
-     * @abstract
-     * @return void
-     */
-    protected function _global_ajax_hooks()
-    {
-        // for lazy loading of metabox content
-        add_action('wp_ajax_espresso-ajax-content', [$this, 'ajax_metabox_content'], 10);
-    }
-
-
-    public function ajax_metabox_content()
-    {
-        $content_id  = $this->request->getRequestParam('contentid', '');
-        $content_url = $this->request->getRequestParam('contenturl', '', 'url');
-        self::cached_rss_display($content_id, $content_url);
-        wp_die();
-    }
-
-
-    /**
-     * allows extending classes do something specific before the parent constructor runs _page_setup().
-     *
-     * @return void
-     */
-    protected function _before_page_setup()
-    {
-        // default is to do nothing
-    }
-
-
-    /**
-     * Makes sure any things that need to be loaded early get handled.
-     * We also escape early here if the page requested doesn't match the object.
-     *
-     * @final
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    final protected function _page_setup()
-    {
-        // requires?
-        // admin_init stuff - global - we're setting this REALLY early
-        // so if EE_Admin pages have to hook into other WP pages they can.
-        // But keep in mind, not everything is available from the EE_Admin Page object at this point.
-        add_action('admin_init', [$this, 'admin_init_global'], 5);
-        // next verify if we need to load anything...
-        $this->_current_page = $this->request->getRequestParam('page', '', 'key');
-        $this->page_folder   = strtolower(
-            str_replace(['_Admin_Page', 'Extend_'], '', get_class($this))
-        );
-        global $ee_menu_slugs;
-        $ee_menu_slugs = (array) $ee_menu_slugs;
-        if (
-            ! $this->request->isAjax()
-            && (! $this->_current_page || ! isset($ee_menu_slugs[ $this->_current_page ]))
-        ) {
-            return;
-        }
-        // because WP List tables have two duplicate select inputs for choosing bulk actions,
-        // we need to copy the action from the second to the first
-        $action     = $this->request->getRequestParam('action', '-1', 'key');
-        $action2    = $this->request->getRequestParam('action2', '-1', 'key');
-        $action     = $action !== '-1' ? $action : $action2;
-        $req_action = $action !== '-1' ? $action : 'default';
-
-        // if a specific 'route' has been set, and the action is 'default' OR we are doing_ajax
-        // then let's use the route as the action.
-        // This covers cases where we're coming in from a list table that isn't on the default route.
-        $route = $this->request->getRequestParam('route');
-        $this->_req_action = $route && ($req_action === 'default' || $this->request->isAjax())
-            ? $route
-            : $req_action;
-
-        $this->_current_view = $this->_req_action;
-        $this->_req_nonce    = $this->_req_action . '_nonce';
-        $this->_define_page_props();
-        $this->_current_page_view_url = add_query_arg(
-            ['page' => $this->_current_page, 'action' => $this->_current_view],
-            $this->_admin_base_url
-        );
-        // default things
-        $this->_default_espresso_metaboxes = [
-            '_espresso_news_post_box',
-            '_espresso_links_post_box',
-            '_espresso_ratings_request',
-            '_espresso_sponsors_post_box',
-        ];
-        // set page configs
-        $this->_set_page_routes();
-        $this->_set_page_config();
-        // let's include any referrer data in our default_query_args for this route for "stickiness".
-        if ($this->request->requestParamIsSet('wp_referer')) {
-            $this->_default_route_query_args['wp_referer'] = $this->request->getRequestParam(
-                'wp_referer',
-                null,
-                'url'
-            );
-        }
-        // for caffeinated and other extended functionality.
-        //  If there is a _extend_page_config method
-        // then let's run that to modify the all the various page configuration arrays
-        if (method_exists($this, '_extend_page_config')) {
-            $this->_extend_page_config();
-        }
-        // for CPT and other extended functionality.
-        // If there is an _extend_page_config_for_cpt
-        // then let's run that to modify all the various page configuration arrays.
-        if (method_exists($this, '_extend_page_config_for_cpt')) {
-            $this->_extend_page_config_for_cpt();
-        }
-        // filter routes and page_config so addons can add their stuff. Filtering done per class
-        $this->_page_routes = apply_filters(
-            'FHEE__' . get_class($this) . '__page_setup__page_routes',
-            $this->_page_routes,
-            $this
-        );
-        $this->_page_config = apply_filters(
-            'FHEE__' . get_class($this) . '__page_setup__page_config',
-            $this->_page_config,
-            $this
-        );
-        // if AHEE__EE_Admin_Page__route_admin_request_$this->_current_view method is present
-        // then we call it hooked into the AHEE__EE_Admin_Page__route_admin_request action
-        if (method_exists($this, 'AHEE__EE_Admin_Page__route_admin_request_' . $this->_current_view)) {
-            add_action(
-                'AHEE__EE_Admin_Page__route_admin_request',
-                [$this, 'AHEE__EE_Admin_Page__route_admin_request_' . $this->_current_view],
-                10,
-                2
-            );
-        }
-        // next route only if routing enabled
-        if ($this->_routing && ! $this->request->isAjax()) {
-            $this->_verify_routes();
-            // next let's just check user_access and kill if no access
-            $this->check_user_access();
-            if ($this->_is_UI_request) {
-                // admin_init stuff - global, all views for this page class, specific view
-                add_action('admin_init', [$this, 'admin_init'], 10);
-                if (method_exists($this, 'admin_init_' . $this->_current_view)) {
-                    add_action('admin_init', [$this, 'admin_init_' . $this->_current_view], 15);
-                }
-            } else {
-                // hijack regular WP loading and route admin request immediately
-                @ini_set('memory_limit', apply_filters('admin_memory_limit', WP_MAX_MEMORY_LIMIT));
-                $this->route_admin_request();
-            }
-        }
-    }
-
-
-    /**
-     * Provides a way for related child admin pages to load stuff on the loaded admin page.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    private function _do_other_page_hooks()
-    {
-        $registered_pages = apply_filters('FHEE_do_other_page_hooks_' . $this->page_slug, []);
-        foreach ($registered_pages as $page) {
-            // now let's setup the file name and class that should be present
-            $classname = str_replace('.class.php', '', $page);
-            // autoloaders should take care of loading file
-            if (! class_exists($classname)) {
-                $error_msg[] = sprintf(
-                    esc_html__(
-                        'Something went wrong with loading the %s admin hooks page.',
-                        'event_espresso'
-                    ),
-                    $page
-                );
-                $error_msg[] = $error_msg[0]
-                               . "\r\n"
-                               . sprintf(
-                                   esc_html__(
-                                       'There is no class in place for the %1$s admin hooks page.%2$sMake sure you have %3$s defined. If this is a non-EE-core admin page then you also must have an autoloader in place for your class',
-                                       'event_espresso'
-                                   ),
-                                   $page,
-                                   '<br />',
-                                   '<strong>' . $classname . '</strong>'
-                               );
-                throw new EE_Error(implode('||', $error_msg));
-            }
-            // notice we are passing the instance of this class to the hook object.
-            $this->loader->getShared($classname, [$this]);
-        }
-    }
-
-
-    /**
-     * @throws ReflectionException
-     * @throws EE_Error
-     */
-    public function load_page_dependencies()
-    {
-        try {
-            $this->_load_page_dependencies();
-        } catch (EE_Error $e) {
-            $e->get_error();
-        }
-    }
-
-
-    /**
-     * load_page_dependencies
-     * loads things specific to this page class when its loaded.  Really helps with efficiency.
-     *
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _load_page_dependencies()
-    {
-        // let's set the current_screen and screen options to override what WP set
-        $this->_current_screen = get_current_screen();
-        // load admin_notices - global, page class, and view specific
-        add_action('admin_notices', [$this, 'admin_notices_global'], 5);
-        add_action('admin_notices', [$this, 'admin_notices'], 10);
-        if (method_exists($this, 'admin_notices_' . $this->_current_view)) {
-            add_action('admin_notices', [$this, 'admin_notices_' . $this->_current_view], 15);
-        }
-        // load network admin_notices - global, page class, and view specific
-        add_action('network_admin_notices', [$this, 'network_admin_notices_global'], 5);
-        if (method_exists($this, 'network_admin_notices_' . $this->_current_view)) {
-            add_action('network_admin_notices', [$this, 'network_admin_notices_' . $this->_current_view]);
-        }
-        // this will save any per_page screen options if they are present
-        $this->_set_per_page_screen_options();
-        // setup list table properties
-        $this->_set_list_table();
-        // child classes can "register" a metabox to be automatically handled via the _page_config array property.
-        // However in some cases the metaboxes will need to be added within a route handling callback.
-        $this->_add_registered_meta_boxes();
-        $this->_add_screen_columns();
-        // add screen options - global, page child class, and view specific
-        $this->_add_global_screen_options();
-        $this->_add_screen_options();
-        $add_screen_options = "_add_screen_options_{$this->_current_view}";
-        if (method_exists($this, $add_screen_options)) {
-            $this->{$add_screen_options}();
-        }
-        // add help tab(s) and tours- set via page_config and qtips.
-        // $this->_add_help_tour();
-        $this->_add_help_tabs();
-        $this->_add_qtips();
-        // add feature_pointers - global, page child class, and view specific
-        $this->_add_feature_pointers();
-        $this->_add_global_feature_pointers();
-        $add_feature_pointer = "_add_feature_pointer_{$this->_current_view}";
-        if (method_exists($this, $add_feature_pointer)) {
-            $this->{$add_feature_pointer}();
-        }
-        // enqueue scripts/styles - global, page class, and view specific
-        add_action('admin_enqueue_scripts', [$this, 'load_global_scripts_styles'], 5);
-        add_action('admin_enqueue_scripts', [$this, 'load_scripts_styles'], 10);
-        if (method_exists($this, "load_scripts_styles_{$this->_current_view}")) {
-            add_action('admin_enqueue_scripts', [$this, "load_scripts_styles_{$this->_current_view}"], 15);
-        }
-        add_action('admin_enqueue_scripts', [$this, 'admin_footer_scripts_eei18n_js_strings'], 100);
-        // admin_print_footer_scripts - global, page child class, and view specific.
-        // NOTE, despite the name, whenever possible, scripts should NOT be loaded using this.
-        // In most cases that's doing_it_wrong().  But adding hidden container elements etc.
-        // is a good use case. Notice the late priority we're giving these
-        add_action('admin_print_footer_scripts', [$this, 'admin_footer_scripts_global'], 99);
-        add_action('admin_print_footer_scripts', [$this, 'admin_footer_scripts'], 100);
-        if (method_exists($this, "admin_footer_scripts_{$this->_current_view}")) {
-            add_action('admin_print_footer_scripts', [$this, "admin_footer_scripts_{$this->_current_view}"], 101);
-        }
-        // admin footer scripts
-        add_action('admin_footer', [$this, 'admin_footer_global'], 99);
-        add_action('admin_footer', [$this, 'admin_footer'], 100);
-        if (method_exists($this, "admin_footer_{$this->_current_view}")) {
-            add_action('admin_footer', [$this, "admin_footer_{$this->_current_view}"], 101);
-        }
-        do_action('FHEE__EE_Admin_Page___load_page_dependencies__after_load', $this->page_slug);
-        // targeted hook
-        do_action(
-            "FHEE__EE_Admin_Page___load_page_dependencies__after_load__{$this->page_slug}__{$this->_req_action}"
-        );
-    }
-
-
-    /**
-     * _set_defaults
-     * This sets some global defaults for class properties.
-     */
-    private function _set_defaults()
-    {
-        $this->_current_screen       = $this->_admin_page_title = $this->_req_action = $this->_req_nonce = null;
-        $this->_event                = $this->_template_path = $this->_column_template_path = null;
-        $this->_nav_tabs             = $this->_views = $this->_page_routes = [];
-        $this->_page_config          = $this->_default_route_query_args = [];
-        $this->_default_nav_tab_name = 'overview';
-        // init template args
-        $this->_template_args = [
-            'admin_page_header'  => '',
-            'admin_page_content' => '',
-            'post_body_content'  => '',
-            'before_list_table'  => '',
-            'after_list_table'   => '',
-        ];
-    }
-
-
-    /**
-     * route_admin_request
-     *
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @see    _route_admin_request()
-     */
-    public function route_admin_request()
-    {
-        try {
-            $this->_route_admin_request();
-        } catch (EE_Error $e) {
-            $e->get_error();
-        }
-    }
-
-
-    public function set_wp_page_slug($wp_page_slug)
-    {
-        $this->_wp_page_slug = $wp_page_slug;
-        // if in network admin then we need to append "-network" to the page slug. Why? Because that's how WP rolls...
-        if (is_network_admin()) {
-            $this->_wp_page_slug .= '-network';
-        }
-    }
-
-
-    /**
-     * _verify_routes
-     * All this method does is verify the incoming request and make sure that routes exist for it.  We do this early so
-     * we know if we need to drop out.
-     *
-     * @return bool
-     * @throws EE_Error
-     */
-    protected function _verify_routes()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        if (! $this->_current_page && ! $this->request->isAjax()) {
-            return false;
-        }
-        $this->_route = false;
-        // check that the page_routes array is not empty
-        if (empty($this->_page_routes)) {
-            // user error msg
-            $error_msg = sprintf(
-                esc_html__('No page routes have been set for the %s admin page.', 'event_espresso'),
-                $this->_admin_page_title
-            );
-            // developer error msg
-            $error_msg .= '||' . $error_msg
-                          . esc_html__(
-                              ' Make sure the "set_page_routes()" method exists, and is setting the "_page_routes" array properly.',
-                              'event_espresso'
-                          );
-            throw new EE_Error($error_msg);
-        }
-        // and that the requested page route exists
-        if (array_key_exists($this->_req_action, $this->_page_routes)) {
-            $this->_route        = $this->_page_routes[ $this->_req_action ];
-            $this->_route_config = isset($this->_page_config[ $this->_req_action ])
-                ? $this->_page_config[ $this->_req_action ]
-                : [];
-        } else {
-            // user error msg
-            $error_msg = sprintf(
-                esc_html__(
-                    'The requested page route does not exist for the %s admin page.',
-                    'event_espresso'
-                ),
-                $this->_admin_page_title
-            );
-            // developer error msg
-            $error_msg .= '||' . $error_msg
-                          . sprintf(
-                              esc_html__(
-                                  ' Create a key in the "_page_routes" array named "%s" and set its value to the appropriate method.',
-                                  'event_espresso'
-                              ),
-                              $this->_req_action
-                          );
-            throw new EE_Error($error_msg);
-        }
-        // and that a default route exists
-        if (! array_key_exists('default', $this->_page_routes)) {
-            // user error msg
-            $error_msg = sprintf(
-                esc_html__(
-                    'A default page route has not been set for the % admin page.',
-                    'event_espresso'
-                ),
-                $this->_admin_page_title
-            );
-            // developer error msg
-            $error_msg .= '||' . $error_msg
-                          . esc_html__(
-                              ' Create a key in the "_page_routes" array named "default" and set its value to your default page method.',
-                              'event_espresso'
-                          );
-            throw new EE_Error($error_msg);
-        }
-        // first lets' catch if the UI request has EVER been set.
-        if ($this->_is_UI_request === null) {
-            // lets set if this is a UI request or not.
-            $this->_is_UI_request = ! $this->request->getRequestParam('noheader', false, 'bool');
-            // wait a minute... we might have a noheader in the route array
-            $this->_is_UI_request = ! (
-                is_array($this->_route) && isset($this->_route['noheader']) && $this->_route['noheader']
-            )
-                ? $this->_is_UI_request
-                : false;
-        }
-        $this->_set_current_labels();
-        return true;
-    }
-
-
-    /**
-     * this method simply verifies a given route and makes sure its an actual route available for the loaded page
-     *
-     * @param string $route the route name we're verifying
-     * @return bool we'll throw an exception if this isn't a valid route.
-     * @throws EE_Error
-     */
-    protected function _verify_route($route)
-    {
-        if (array_key_exists($this->_req_action, $this->_page_routes)) {
-            return true;
-        }
-        // user error msg
-        $error_msg = sprintf(
-            esc_html__('The given page route does not exist for the %s admin page.', 'event_espresso'),
-            $this->_admin_page_title
-        );
-        // developer error msg
-        $error_msg .= '||' . $error_msg
-                      . sprintf(
-                          esc_html__(
-                              ' Check the route you are using in your method (%s) and make sure it matches a route set in your "_page_routes" array property',
-                              'event_espresso'
-                          ),
-                          $route
-                      );
-        throw new EE_Error($error_msg);
-    }
-
-
-    /**
-     * perform nonce verification
-     * This method has be encapsulated here so that any ajax requests that bypass normal routes can verify their nonces
-     * using this method (and save retyping!)
-     *
-     * @param string $nonce     The nonce sent
-     * @param string $nonce_ref The nonce reference string (name0)
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _verify_nonce($nonce, $nonce_ref)
-    {
-        // verify nonce against expected value
-        if (! wp_verify_nonce($nonce, $nonce_ref)) {
-            // these are not the droids you are looking for !!!
-            $msg = sprintf(
-                esc_html__('%sNonce Fail.%s', 'event_espresso'),
-                '<a href="https://www.youtube.com/watch?v=56_S0WeTkzs">',
-                '</a>'
-            );
-            if (WP_DEBUG) {
-                $msg .= "\n  ";
-                $msg .= sprintf(
-                    esc_html__(
-                        'In order to dynamically generate nonces for your actions, use the %s::add_query_args_and_nonce() method. May the Nonce be with you!',
-                        'event_espresso'
-                    ),
-                    __CLASS__
-                );
-            }
-            if (! $this->request->isAjax()) {
-                wp_die($msg);
-            }
-            EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
-            $this->_return_json();
-        }
-    }
-
-
-    /**
-     * _route_admin_request()
-     * Meat and potatoes of the class.  Basically, this dude checks out what's being requested and sees if theres are
-     * some doodads to work the magic and handle the flingjangy. Translation:  Checks if the requested action is listed
-     * in the page routes and then will try to load the corresponding method.
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _route_admin_request()
-    {
-        if (! $this->_is_UI_request) {
-            $this->_verify_routes();
-        }
-        $nonce_check = ! isset($this->_route_config['require_nonce']) || $this->_route_config['require_nonce'];
-        if ($this->_req_action !== 'default' && $nonce_check) {
-            // set nonce from post data
-            $nonce = $this->request->getRequestParam($this->_req_nonce, '');
-            $this->_verify_nonce($nonce, $this->_req_nonce);
-        }
-        // set the nav_tabs array but ONLY if this is  UI_request
-        if ($this->_is_UI_request) {
-            $this->_set_nav_tabs();
-        }
-        // grab callback function
-        $func = is_array($this->_route) ? $this->_route['func'] : $this->_route;
-        // check if callback has args
-        $args      = is_array($this->_route) && isset($this->_route['args']) ? $this->_route['args'] : [];
-        $error_msg = '';
-        // action right before calling route
-        // (hook is something like 'AHEE__Registrations_Admin_Page__route_admin_request')
-        if (! did_action('AHEE__EE_Admin_Page__route_admin_request')) {
-            do_action('AHEE__EE_Admin_Page__route_admin_request', $this->_current_view, $this);
-        }
-        // right before calling the route, let's clean the _wp_http_referer
-        $this->request->setServerParam(
-            'REQUEST_URI',
-            remove_query_arg(
-                '_wp_http_referer',
-                wp_unslash($this->request->getServerParam('REQUEST_URI'))
-            )
-        );
-        if (! empty($func)) {
-            if (is_array($func)) {
-                list($class, $method) = $func;
-            } elseif (strpos($func, '::') !== false) {
-                list($class, $method) = explode('::', $func);
-            } else {
-                $class  = $this;
-                $method = $func;
-            }
-            if (! (is_object($class) && $class === $this)) {
-                // send along this admin page object for access by addons.
-                $args['admin_page_object'] = $this;
-            }
-            if (
+	/**
+	 * Used to hold default query args for list table routes to help preserve stickiness of filters for carried out
+	 * actions.
+	 *
+	 * @since 4.6.x
+	 * @var array.
+	 */
+	protected $_default_route_query_args;
+
+	// set via request page and action args.
+	protected $_current_page;
+
+	protected $_current_view;
+
+	protected $_current_page_view_url;
+
+	/**
+	 * unprocessed value for the 'action' request param (default '')
+	 *
+	 * @var string
+	 */
+	protected $raw_req_action = '';
+
+	/**
+	 * unprocessed value for the 'page' request param (default '')
+	 *
+	 * @var string
+	 */
+	protected $raw_req_page = '';
+
+	/**
+	 * sanitized request action (and nonce)
+	 *
+	 * @var string
+	 */
+	protected $_req_action = '';
+
+	/**
+	 * sanitized request action nonce
+	 *
+	 * @var string
+	 */
+	protected $_req_nonce = '';
+
+	/**
+	 * @var string
+	 */
+	protected $_search_btn_label = '';
+
+	/**
+	 * @var string
+	 */
+	protected $_search_box_callback = '';
+
+	/**
+	 * @var WP_Screen
+	 */
+	protected $_current_screen;
+
+	// for holding EE_Admin_Hooks object when needed (set via set_hook_object())
+	protected $_hook_obj;
+
+	// for holding incoming request data
+	protected $_req_data = [];
+
+	// yes / no array for admin form fields
+	protected $_yes_no_values = [];
+
+	// some default things shared by all child classes
+	protected $_default_espresso_metaboxes;
+
+	/**
+	 * @var EE_Registry
+	 */
+	protected $EE = null;
+
+
+	/**
+	 * This is just a property that flags whether the given route is a caffeinated route or not.
+	 *
+	 * @var boolean
+	 */
+	protected $_is_caf = false;
+
+
+	/**
+	 * @Constructor
+	 * @param bool $routing indicate whether we want to just load the object and handle routing or just load the object.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function __construct($routing = true)
+	{
+		$this->loader  = LoaderFactory::getLoader();
+		$this->request = $this->loader->getShared(RequestInterface::class);
+		$this->_routing = $routing;
+
+		if (strpos($this->_get_dir(), 'caffeinated') !== false) {
+			$this->_is_caf = true;
+		}
+		$this->_yes_no_values = [
+			['id' => true, 'text' => esc_html__('Yes', 'event_espresso')],
+			['id' => false, 'text' => esc_html__('No', 'event_espresso')],
+		];
+		// set the _req_data property.
+		$this->_req_data = $this->request->requestParams();
+		// set initial page props (child method)
+		$this->_init_page_props();
+		// set global defaults
+		$this->_set_defaults();
+		// set early because incoming requests could be ajax related and we need to register those hooks.
+		$this->_global_ajax_hooks();
+		$this->_ajax_hooks();
+		// other_page_hooks have to be early too.
+		$this->_do_other_page_hooks();
+		// set up page dependencies
+		$this->_before_page_setup();
+		$this->_page_setup();
+		// die();
+	}
+
+
+	/**
+	 * _init_page_props
+	 * Child classes use to set at least the following properties:
+	 * $page_slug.
+	 * $page_label.
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _init_page_props();
+
+
+	/**
+	 * _ajax_hooks
+	 * child classes put all their add_action('wp_ajax_{name_of_hook}') hooks in here.
+	 * Note: within the ajax callback methods.
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _ajax_hooks();
+
+
+	/**
+	 * _define_page_props
+	 * child classes define page properties in here.  Must include at least:
+	 * $_admin_base_url = base_url for all admin pages
+	 * $_admin_page_title = default admin_page_title for admin pages
+	 * $_labels = array of default labels for various automatically generated elements:
+	 *    array(
+	 *        'buttons' => array(
+	 *            'add' => esc_html__('label for add new button'),
+	 *            'edit' => esc_html__('label for edit button'),
+	 *            'delete' => esc_html__('label for delete button')
+	 *            )
+	 *        )
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _define_page_props();
+
+
+	/**
+	 * _set_page_routes
+	 * child classes use this to define the page routes for all subpages handled by the class.  Page routes are
+	 * assigned to a action => method pairs in an array and to the $_page_routes property.  Each page route must also
+	 * have a 'default' route. Here's the format
+	 * $this->_page_routes = array(
+	 *        'default' => array(
+	 *            'func' => '_default_method_handling_route',
+	 *            'args' => array('array','of','args'),
+	 *            'noheader' => true, //add this in if this page route is processed before any headers are loaded (i.e.
+	 *            ajax request, backend processing)
+	 *            'headers_sent_route'=>'headers_route_reference', //add this if noheader=>true, and you want to load a
+	 *            headers route after.  The string you enter here should match the defined route reference for a
+	 *            headers sent route.
+	 *            'capability' => 'route_capability', //indicate a string for minimum capability required to access
+	 *            this route.
+	 *            'obj_id' => 10 // if this route has an object id, then this can include it (used for capability
+	 *            checks).
+	 *        ),
+	 *        'insert_item' => '_method_for_handling_insert_item' //this can be used if all we need to have is a
+	 *        handling method.
+	 *        )
+	 * )
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _set_page_routes();
+
+
+	/**
+	 * _set_page_config
+	 * child classes use this to define the _page_config array for all subpages handled by the class. Each key in the
+	 * array corresponds to the page_route for the loaded page. Format:
+	 * $this->_page_config = array(
+	 *        'default' => array(
+	 *            'labels' => array(
+	 *                'buttons' => array(
+	 *                    'add' => esc_html__('label for adding item'),
+	 *                    'edit' => esc_html__('label for editing item'),
+	 *                    'delete' => esc_html__('label for deleting item')
+	 *                ),
+	 *                'publishbox' => esc_html__('Localized Title for Publish metabox', 'event_espresso')
+	 *            ), //optional an array of custom labels for various automatically generated elements to use on the
+	 *            page. If this isn't present then the defaults will be used as set for the $this->_labels in
+	 *            _define_page_props() method
+	 *            'nav' => array(
+	 *                'label' => esc_html__('Label for Tab', 'event_espresso').
+	 *                'url' => 'http://someurl', //automatically generated UNLESS you define
+	 *                'css_class' => 'css-class', //automatically generated UNLESS you define
+	 *                'order' => 10, //required to indicate tab position.
+	 *                'persistent' => false //if you want the nav tab to ONLY display when the specific route is
+	 *                displayed then add this parameter.
+	 *            'list_table' => 'name_of_list_table' //string for list table class to be loaded for this admin_page.
+	 *            'metaboxes' => array('metabox1', 'metabox2'), //if present this key indicates we want to load
+	 *            metaboxes set for eventespresso admin pages.
+	 *            'has_metaboxes' => true, //this boolean flag can simply be used to indicate if the route will have
+	 *            metaboxes.  Typically this is used if the 'metaboxes' index is not used because metaboxes are added
+	 *            later.  We just use this flag to make sure the necessary js gets enqueued on page load.
+	 *            'has_help_popups' => false //defaults(true) //this boolean flag can simply be used to indicate if the
+	 *            given route has help popups setup and if it does then we need to make sure thickbox is enqueued.
+	 *            'columns' => array(4, 2), //this key triggers the setup of a page that uses columns (metaboxes).  The
+	 *            array indicates the max number of columns (4) and the default number of columns on page load (2).
+	 *            There is an option in the "screen_options" dropdown that is setup so users can pick what columns they
+	 *            want to display.
+	 *            'help_tabs' => array( //this is used for adding help tabs to a page
+	 *                'tab_id' => array(
+	 *                    'title' => 'tab_title',
+	 *                    'filename' => 'name_of_file_containing_content', //this is the primary method for setting
+	 *                    help tab content.  The fallback if it isn't present is to try a the callback.  Filename
+	 *                    should match a file in the admin folder's "help_tabs" dir (ie..
+	 *                    events/help_tabs/name_of_file_containing_content.help_tab.php)
+	 *                    'callback' => 'callback_method_for_content', //if 'filename' isn't present then system will
+	 *                    attempt to use the callback which should match the name of a method in the class
+	 *                    ),
+	 *                'tab2_id' => array(
+	 *                    'title' => 'tab2 title',
+	 *                    'filename' => 'file_name_2'
+	 *                    'callback' => 'callback_method_for_content',
+	 *                 ),
+	 *            'help_sidebar' => 'callback_for_sidebar_content', //this is used for setting up the sidebar in the
+	 *            help tab area on an admin page. @return void
+	 *
+	 * @link
+	 *                http://make.wordpress.org/core/2011/12/06/help-and-screen-api-changes-in-3-3/
+	 *                'help_tour' => array(
+	 *                'name_of_help_tour_class', //all help tours should be a child class of EE_Help_Tour and located
+	 *                in a folder for this admin page named "help_tours", a file name matching the key given here
+	 *                (name_of_help_tour_class.class.php), and class matching key given here (name_of_help_tour_class)
+	 *                ),
+	 *                'require_nonce' => TRUE //this is used if you want to set a route to NOT require a nonce (default
+	 *                is true if it isn't present).  To remove the requirement for a nonce check when this route is
+	 *                visited just set
+	 *                'require_nonce' to FALSE
+	 *                )
+	 *                )
+	 *
+	 * @abstract
+	 */
+	abstract protected function _set_page_config();
+
+
+
+
+
+	/** end sample help_tour methods **/
+	/**
+	 * _add_screen_options
+	 * Child classes can add any extra wp_screen_options within this method using built-in WP functions/methods for
+	 * doing so. Note child classes can also define _add_screen_options_($this->_current_view) to limit screen options
+	 * to a particular view.
+	 *
+	 * @link   http://chrismarslender.com/wp-tutorials/wordpress-screen-options-tutorial/
+	 *         see also WP_Screen object documents...
+	 * @link   http://codex.wordpress.org/Class_Reference/WP_Screen
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _add_screen_options();
+
+
+	/**
+	 * _add_feature_pointers
+	 * Child classes should use this method for implementing any "feature pointers" (using built-in WP styling js).
+	 * Note child classes can also define _add_feature_pointers_($this->_current_view) to limit screen options to a
+	 * particular view. Note: this is just a placeholder for now.  Implementation will come down the road See:
+	 * WP_Internal_Pointers class in wp-admin/includes/template.php for example (its a final class so can't be
+	 * extended) also see:
+	 *
+	 * @link   http://eamann.com/tech/wordpress-portland/
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _add_feature_pointers();
+
+
+	/**
+	 * load_scripts_styles
+	 * child classes put their wp_enqueue_script and wp_enqueue_style hooks in here for anything they need loaded for
+	 * their pages/subpages.  Note this is for all pages/subpages of the system.  You can also load only specific
+	 * scripts/styles per view by putting them in a dynamic function in this format
+	 * (load_scripts_styles_{$this->_current_view}) which matches your page route (action request arg)
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract public function load_scripts_styles();
+
+
+	/**
+	 * admin_init
+	 * Anything that should be set/executed at 'admin_init' WP hook runtime should be put in here.  This will apply to
+	 * all pages/views loaded by child class.
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract public function admin_init();
+
+
+	/**
+	 * admin_notices
+	 * Anything triggered by the 'admin_notices' WP hook should be put in here.  This particular method will apply to
+	 * all pages/views loaded by child class.
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract public function admin_notices();
+
+
+	/**
+	 * admin_footer_scripts
+	 * Anything triggered by the 'admin_print_footer_scripts' WP hook should be put in here. This particular method
+	 * will apply to all pages/views loaded by child class.
+	 *
+	 * @return void
+	 */
+	abstract public function admin_footer_scripts();
+
+
+	/**
+	 * admin_footer
+	 * anything triggered by the 'admin_footer' WP action hook should be added to here. This particular method will
+	 * apply to all pages/views loaded by child class.
+	 *
+	 * @return void
+	 */
+	public function admin_footer()
+	{
+	}
+
+
+	/**
+	 * _global_ajax_hooks
+	 * all global add_action('wp_ajax_{name_of_hook}') hooks in here.
+	 * Note: within the ajax callback methods.
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	protected function _global_ajax_hooks()
+	{
+		// for lazy loading of metabox content
+		add_action('wp_ajax_espresso-ajax-content', [$this, 'ajax_metabox_content'], 10);
+	}
+
+
+	public function ajax_metabox_content()
+	{
+		$content_id  = $this->request->getRequestParam('contentid', '');
+		$content_url = $this->request->getRequestParam('contenturl', '', 'url');
+		self::cached_rss_display($content_id, $content_url);
+		wp_die();
+	}
+
+
+	/**
+	 * allows extending classes do something specific before the parent constructor runs _page_setup().
+	 *
+	 * @return void
+	 */
+	protected function _before_page_setup()
+	{
+		// default is to do nothing
+	}
+
+
+	/**
+	 * Makes sure any things that need to be loaded early get handled.
+	 * We also escape early here if the page requested doesn't match the object.
+	 *
+	 * @final
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	final protected function _page_setup()
+	{
+		// requires?
+		// admin_init stuff - global - we're setting this REALLY early
+		// so if EE_Admin pages have to hook into other WP pages they can.
+		// But keep in mind, not everything is available from the EE_Admin Page object at this point.
+		add_action('admin_init', [$this, 'admin_init_global'], 5);
+		// next verify if we need to load anything...
+		$this->_current_page = $this->request->getRequestParam('page', '', 'key');
+		$this->page_folder   = strtolower(
+			str_replace(['_Admin_Page', 'Extend_'], '', get_class($this))
+		);
+		global $ee_menu_slugs;
+		$ee_menu_slugs = (array) $ee_menu_slugs;
+		if (
+			! $this->request->isAjax()
+			&& (! $this->_current_page || ! isset($ee_menu_slugs[ $this->_current_page ]))
+		) {
+			return;
+		}
+		// because WP List tables have two duplicate select inputs for choosing bulk actions,
+		// we need to copy the action from the second to the first
+		$action     = $this->request->getRequestParam('action', '-1', 'key');
+		$action2    = $this->request->getRequestParam('action2', '-1', 'key');
+		$action     = $action !== '-1' ? $action : $action2;
+		$req_action = $action !== '-1' ? $action : 'default';
+
+		// if a specific 'route' has been set, and the action is 'default' OR we are doing_ajax
+		// then let's use the route as the action.
+		// This covers cases where we're coming in from a list table that isn't on the default route.
+		$route = $this->request->getRequestParam('route');
+		$this->_req_action = $route && ($req_action === 'default' || $this->request->isAjax())
+			? $route
+			: $req_action;
+
+		$this->_current_view = $this->_req_action;
+		$this->_req_nonce    = $this->_req_action . '_nonce';
+		$this->_define_page_props();
+		$this->_current_page_view_url = add_query_arg(
+			['page' => $this->_current_page, 'action' => $this->_current_view],
+			$this->_admin_base_url
+		);
+		// default things
+		$this->_default_espresso_metaboxes = [
+			'_espresso_news_post_box',
+			'_espresso_links_post_box',
+			'_espresso_ratings_request',
+			'_espresso_sponsors_post_box',
+		];
+		// set page configs
+		$this->_set_page_routes();
+		$this->_set_page_config();
+		// let's include any referrer data in our default_query_args for this route for "stickiness".
+		if ($this->request->requestParamIsSet('wp_referer')) {
+			$this->_default_route_query_args['wp_referer'] = $this->request->getRequestParam(
+				'wp_referer',
+				null,
+				'url'
+			);
+		}
+		// for caffeinated and other extended functionality.
+		//  If there is a _extend_page_config method
+		// then let's run that to modify the all the various page configuration arrays
+		if (method_exists($this, '_extend_page_config')) {
+			$this->_extend_page_config();
+		}
+		// for CPT and other extended functionality.
+		// If there is an _extend_page_config_for_cpt
+		// then let's run that to modify all the various page configuration arrays.
+		if (method_exists($this, '_extend_page_config_for_cpt')) {
+			$this->_extend_page_config_for_cpt();
+		}
+		// filter routes and page_config so addons can add their stuff. Filtering done per class
+		$this->_page_routes = apply_filters(
+			'FHEE__' . get_class($this) . '__page_setup__page_routes',
+			$this->_page_routes,
+			$this
+		);
+		$this->_page_config = apply_filters(
+			'FHEE__' . get_class($this) . '__page_setup__page_config',
+			$this->_page_config,
+			$this
+		);
+		// if AHEE__EE_Admin_Page__route_admin_request_$this->_current_view method is present
+		// then we call it hooked into the AHEE__EE_Admin_Page__route_admin_request action
+		if (method_exists($this, 'AHEE__EE_Admin_Page__route_admin_request_' . $this->_current_view)) {
+			add_action(
+				'AHEE__EE_Admin_Page__route_admin_request',
+				[$this, 'AHEE__EE_Admin_Page__route_admin_request_' . $this->_current_view],
+				10,
+				2
+			);
+		}
+		// next route only if routing enabled
+		if ($this->_routing && ! $this->request->isAjax()) {
+			$this->_verify_routes();
+			// next let's just check user_access and kill if no access
+			$this->check_user_access();
+			if ($this->_is_UI_request) {
+				// admin_init stuff - global, all views for this page class, specific view
+				add_action('admin_init', [$this, 'admin_init'], 10);
+				if (method_exists($this, 'admin_init_' . $this->_current_view)) {
+					add_action('admin_init', [$this, 'admin_init_' . $this->_current_view], 15);
+				}
+			} else {
+				// hijack regular WP loading and route admin request immediately
+				@ini_set('memory_limit', apply_filters('admin_memory_limit', WP_MAX_MEMORY_LIMIT));
+				$this->route_admin_request();
+			}
+		}
+	}
+
+
+	/**
+	 * Provides a way for related child admin pages to load stuff on the loaded admin page.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _do_other_page_hooks()
+	{
+		$registered_pages = apply_filters('FHEE_do_other_page_hooks_' . $this->page_slug, []);
+		foreach ($registered_pages as $page) {
+			// now let's setup the file name and class that should be present
+			$classname = str_replace('.class.php', '', $page);
+			// autoloaders should take care of loading file
+			if (! class_exists($classname)) {
+				$error_msg[] = sprintf(
+					esc_html__(
+						'Something went wrong with loading the %s admin hooks page.',
+						'event_espresso'
+					),
+					$page
+				);
+				$error_msg[] = $error_msg[0]
+							   . "\r\n"
+							   . sprintf(
+								   esc_html__(
+									   'There is no class in place for the %1$s admin hooks page.%2$sMake sure you have %3$s defined. If this is a non-EE-core admin page then you also must have an autoloader in place for your class',
+									   'event_espresso'
+								   ),
+								   $page,
+								   '<br />',
+								   '<strong>' . $classname . '</strong>'
+							   );
+				throw new EE_Error(implode('||', $error_msg));
+			}
+			// notice we are passing the instance of this class to the hook object.
+			$this->loader->getShared($classname, [$this]);
+		}
+	}
+
+
+	/**
+	 * @throws ReflectionException
+	 * @throws EE_Error
+	 */
+	public function load_page_dependencies()
+	{
+		try {
+			$this->_load_page_dependencies();
+		} catch (EE_Error $e) {
+			$e->get_error();
+		}
+	}
+
+
+	/**
+	 * load_page_dependencies
+	 * loads things specific to this page class when its loaded.  Really helps with efficiency.
+	 *
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _load_page_dependencies()
+	{
+		// let's set the current_screen and screen options to override what WP set
+		$this->_current_screen = get_current_screen();
+		// load admin_notices - global, page class, and view specific
+		add_action('admin_notices', [$this, 'admin_notices_global'], 5);
+		add_action('admin_notices', [$this, 'admin_notices'], 10);
+		if (method_exists($this, 'admin_notices_' . $this->_current_view)) {
+			add_action('admin_notices', [$this, 'admin_notices_' . $this->_current_view], 15);
+		}
+		// load network admin_notices - global, page class, and view specific
+		add_action('network_admin_notices', [$this, 'network_admin_notices_global'], 5);
+		if (method_exists($this, 'network_admin_notices_' . $this->_current_view)) {
+			add_action('network_admin_notices', [$this, 'network_admin_notices_' . $this->_current_view]);
+		}
+		// this will save any per_page screen options if they are present
+		$this->_set_per_page_screen_options();
+		// setup list table properties
+		$this->_set_list_table();
+		// child classes can "register" a metabox to be automatically handled via the _page_config array property.
+		// However in some cases the metaboxes will need to be added within a route handling callback.
+		$this->_add_registered_meta_boxes();
+		$this->_add_screen_columns();
+		// add screen options - global, page child class, and view specific
+		$this->_add_global_screen_options();
+		$this->_add_screen_options();
+		$add_screen_options = "_add_screen_options_{$this->_current_view}";
+		if (method_exists($this, $add_screen_options)) {
+			$this->{$add_screen_options}();
+		}
+		// add help tab(s) and tours- set via page_config and qtips.
+		// $this->_add_help_tour();
+		$this->_add_help_tabs();
+		$this->_add_qtips();
+		// add feature_pointers - global, page child class, and view specific
+		$this->_add_feature_pointers();
+		$this->_add_global_feature_pointers();
+		$add_feature_pointer = "_add_feature_pointer_{$this->_current_view}";
+		if (method_exists($this, $add_feature_pointer)) {
+			$this->{$add_feature_pointer}();
+		}
+		// enqueue scripts/styles - global, page class, and view specific
+		add_action('admin_enqueue_scripts', [$this, 'load_global_scripts_styles'], 5);
+		add_action('admin_enqueue_scripts', [$this, 'load_scripts_styles'], 10);
+		if (method_exists($this, "load_scripts_styles_{$this->_current_view}")) {
+			add_action('admin_enqueue_scripts', [$this, "load_scripts_styles_{$this->_current_view}"], 15);
+		}
+		add_action('admin_enqueue_scripts', [$this, 'admin_footer_scripts_eei18n_js_strings'], 100);
+		// admin_print_footer_scripts - global, page child class, and view specific.
+		// NOTE, despite the name, whenever possible, scripts should NOT be loaded using this.
+		// In most cases that's doing_it_wrong().  But adding hidden container elements etc.
+		// is a good use case. Notice the late priority we're giving these
+		add_action('admin_print_footer_scripts', [$this, 'admin_footer_scripts_global'], 99);
+		add_action('admin_print_footer_scripts', [$this, 'admin_footer_scripts'], 100);
+		if (method_exists($this, "admin_footer_scripts_{$this->_current_view}")) {
+			add_action('admin_print_footer_scripts', [$this, "admin_footer_scripts_{$this->_current_view}"], 101);
+		}
+		// admin footer scripts
+		add_action('admin_footer', [$this, 'admin_footer_global'], 99);
+		add_action('admin_footer', [$this, 'admin_footer'], 100);
+		if (method_exists($this, "admin_footer_{$this->_current_view}")) {
+			add_action('admin_footer', [$this, "admin_footer_{$this->_current_view}"], 101);
+		}
+		do_action('FHEE__EE_Admin_Page___load_page_dependencies__after_load', $this->page_slug);
+		// targeted hook
+		do_action(
+			"FHEE__EE_Admin_Page___load_page_dependencies__after_load__{$this->page_slug}__{$this->_req_action}"
+		);
+	}
+
+
+	/**
+	 * _set_defaults
+	 * This sets some global defaults for class properties.
+	 */
+	private function _set_defaults()
+	{
+		$this->_current_screen       = $this->_admin_page_title = $this->_req_action = $this->_req_nonce = null;
+		$this->_event                = $this->_template_path = $this->_column_template_path = null;
+		$this->_nav_tabs             = $this->_views = $this->_page_routes = [];
+		$this->_page_config          = $this->_default_route_query_args = [];
+		$this->_default_nav_tab_name = 'overview';
+		// init template args
+		$this->_template_args = [
+			'admin_page_header'  => '',
+			'admin_page_content' => '',
+			'post_body_content'  => '',
+			'before_list_table'  => '',
+			'after_list_table'   => '',
+		];
+	}
+
+
+	/**
+	 * route_admin_request
+	 *
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @see    _route_admin_request()
+	 */
+	public function route_admin_request()
+	{
+		try {
+			$this->_route_admin_request();
+		} catch (EE_Error $e) {
+			$e->get_error();
+		}
+	}
+
+
+	public function set_wp_page_slug($wp_page_slug)
+	{
+		$this->_wp_page_slug = $wp_page_slug;
+		// if in network admin then we need to append "-network" to the page slug. Why? Because that's how WP rolls...
+		if (is_network_admin()) {
+			$this->_wp_page_slug .= '-network';
+		}
+	}
+
+
+	/**
+	 * _verify_routes
+	 * All this method does is verify the incoming request and make sure that routes exist for it.  We do this early so
+	 * we know if we need to drop out.
+	 *
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	protected function _verify_routes()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		if (! $this->_current_page && ! $this->request->isAjax()) {
+			return false;
+		}
+		$this->_route = false;
+		// check that the page_routes array is not empty
+		if (empty($this->_page_routes)) {
+			// user error msg
+			$error_msg = sprintf(
+				esc_html__('No page routes have been set for the %s admin page.', 'event_espresso'),
+				$this->_admin_page_title
+			);
+			// developer error msg
+			$error_msg .= '||' . $error_msg
+						  . esc_html__(
+							  ' Make sure the "set_page_routes()" method exists, and is setting the "_page_routes" array properly.',
+							  'event_espresso'
+						  );
+			throw new EE_Error($error_msg);
+		}
+		// and that the requested page route exists
+		if (array_key_exists($this->_req_action, $this->_page_routes)) {
+			$this->_route        = $this->_page_routes[ $this->_req_action ];
+			$this->_route_config = isset($this->_page_config[ $this->_req_action ])
+				? $this->_page_config[ $this->_req_action ]
+				: [];
+		} else {
+			// user error msg
+			$error_msg = sprintf(
+				esc_html__(
+					'The requested page route does not exist for the %s admin page.',
+					'event_espresso'
+				),
+				$this->_admin_page_title
+			);
+			// developer error msg
+			$error_msg .= '||' . $error_msg
+						  . sprintf(
+							  esc_html__(
+								  ' Create a key in the "_page_routes" array named "%s" and set its value to the appropriate method.',
+								  'event_espresso'
+							  ),
+							  $this->_req_action
+						  );
+			throw new EE_Error($error_msg);
+		}
+		// and that a default route exists
+		if (! array_key_exists('default', $this->_page_routes)) {
+			// user error msg
+			$error_msg = sprintf(
+				esc_html__(
+					'A default page route has not been set for the % admin page.',
+					'event_espresso'
+				),
+				$this->_admin_page_title
+			);
+			// developer error msg
+			$error_msg .= '||' . $error_msg
+						  . esc_html__(
+							  ' Create a key in the "_page_routes" array named "default" and set its value to your default page method.',
+							  'event_espresso'
+						  );
+			throw new EE_Error($error_msg);
+		}
+		// first lets' catch if the UI request has EVER been set.
+		if ($this->_is_UI_request === null) {
+			// lets set if this is a UI request or not.
+			$this->_is_UI_request = ! $this->request->getRequestParam('noheader', false, 'bool');
+			// wait a minute... we might have a noheader in the route array
+			$this->_is_UI_request = ! (
+				is_array($this->_route) && isset($this->_route['noheader']) && $this->_route['noheader']
+			)
+				? $this->_is_UI_request
+				: false;
+		}
+		$this->_set_current_labels();
+		return true;
+	}
+
+
+	/**
+	 * this method simply verifies a given route and makes sure its an actual route available for the loaded page
+	 *
+	 * @param string $route the route name we're verifying
+	 * @return bool we'll throw an exception if this isn't a valid route.
+	 * @throws EE_Error
+	 */
+	protected function _verify_route($route)
+	{
+		if (array_key_exists($this->_req_action, $this->_page_routes)) {
+			return true;
+		}
+		// user error msg
+		$error_msg = sprintf(
+			esc_html__('The given page route does not exist for the %s admin page.', 'event_espresso'),
+			$this->_admin_page_title
+		);
+		// developer error msg
+		$error_msg .= '||' . $error_msg
+					  . sprintf(
+						  esc_html__(
+							  ' Check the route you are using in your method (%s) and make sure it matches a route set in your "_page_routes" array property',
+							  'event_espresso'
+						  ),
+						  $route
+					  );
+		throw new EE_Error($error_msg);
+	}
+
+
+	/**
+	 * perform nonce verification
+	 * This method has be encapsulated here so that any ajax requests that bypass normal routes can verify their nonces
+	 * using this method (and save retyping!)
+	 *
+	 * @param string $nonce     The nonce sent
+	 * @param string $nonce_ref The nonce reference string (name0)
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _verify_nonce($nonce, $nonce_ref)
+	{
+		// verify nonce against expected value
+		if (! wp_verify_nonce($nonce, $nonce_ref)) {
+			// these are not the droids you are looking for !!!
+			$msg = sprintf(
+				esc_html__('%sNonce Fail.%s', 'event_espresso'),
+				'<a href="https://www.youtube.com/watch?v=56_S0WeTkzs">',
+				'</a>'
+			);
+			if (WP_DEBUG) {
+				$msg .= "\n  ";
+				$msg .= sprintf(
+					esc_html__(
+						'In order to dynamically generate nonces for your actions, use the %s::add_query_args_and_nonce() method. May the Nonce be with you!',
+						'event_espresso'
+					),
+					__CLASS__
+				);
+			}
+			if (! $this->request->isAjax()) {
+				wp_die($msg);
+			}
+			EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
+			$this->_return_json();
+		}
+	}
+
+
+	/**
+	 * _route_admin_request()
+	 * Meat and potatoes of the class.  Basically, this dude checks out what's being requested and sees if theres are
+	 * some doodads to work the magic and handle the flingjangy. Translation:  Checks if the requested action is listed
+	 * in the page routes and then will try to load the corresponding method.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _route_admin_request()
+	{
+		if (! $this->_is_UI_request) {
+			$this->_verify_routes();
+		}
+		$nonce_check = ! isset($this->_route_config['require_nonce']) || $this->_route_config['require_nonce'];
+		if ($this->_req_action !== 'default' && $nonce_check) {
+			// set nonce from post data
+			$nonce = $this->request->getRequestParam($this->_req_nonce, '');
+			$this->_verify_nonce($nonce, $this->_req_nonce);
+		}
+		// set the nav_tabs array but ONLY if this is  UI_request
+		if ($this->_is_UI_request) {
+			$this->_set_nav_tabs();
+		}
+		// grab callback function
+		$func = is_array($this->_route) ? $this->_route['func'] : $this->_route;
+		// check if callback has args
+		$args      = is_array($this->_route) && isset($this->_route['args']) ? $this->_route['args'] : [];
+		$error_msg = '';
+		// action right before calling route
+		// (hook is something like 'AHEE__Registrations_Admin_Page__route_admin_request')
+		if (! did_action('AHEE__EE_Admin_Page__route_admin_request')) {
+			do_action('AHEE__EE_Admin_Page__route_admin_request', $this->_current_view, $this);
+		}
+		// right before calling the route, let's clean the _wp_http_referer
+		$this->request->setServerParam(
+			'REQUEST_URI',
+			remove_query_arg(
+				'_wp_http_referer',
+				wp_unslash($this->request->getServerParam('REQUEST_URI'))
+			)
+		);
+		if (! empty($func)) {
+			if (is_array($func)) {
+				list($class, $method) = $func;
+			} elseif (strpos($func, '::') !== false) {
+				list($class, $method) = explode('::', $func);
+			} else {
+				$class  = $this;
+				$method = $func;
+			}
+			if (! (is_object($class) && $class === $this)) {
+				// send along this admin page object for access by addons.
+				$args['admin_page_object'] = $this;
+			}
+			if (
 // is it a method on a class that doesn't work?
-                (
-                    (
-                        method_exists($class, $method)
-                        && call_user_func_array([$class, $method], $args) === false
-                    )
-                    && (
-                        // is it a standalone function that doesn't work?
-                        function_exists($method)
-                        && call_user_func_array(
-                            $func,
-                            array_merge(['admin_page_object' => $this], $args)
-                        ) === false
-                    )
-                )
-                || (
-                    // is it neither a class method NOR a standalone function?
-                    ! method_exists($class, $method)
-                    && ! function_exists($method)
-                )
-            ) {
-                // user error msg
-                $error_msg = esc_html__(
-                    'An error occurred. The  requested page route could not be found.',
-                    'event_espresso'
-                );
-                // developer error msg
-                $error_msg .= '||';
-                $error_msg .= sprintf(
-                    esc_html__(
-                        'Page route "%s" could not be called. Check that the spelling for method names and actions in the "_page_routes" array are all correct.',
-                        'event_espresso'
-                    ),
-                    $method
-                );
-            }
-            if (! empty($error_msg)) {
-                throw new EE_Error($error_msg);
-            }
-        }
-        // if we've routed and this route has a no headers route AND a sent_headers_route,
-        // then we need to reset the routing properties to the new route.
-        // now if UI request is FALSE and noheader is true AND we have a headers_sent_route in the route array then let's set UI_request to true because the no header route has a second func after headers have been sent.
-        if (
-            $this->_is_UI_request === false
-            && is_array($this->_route)
-            && ! empty($this->_route['headers_sent_route'])
-        ) {
-            $this->_reset_routing_properties($this->_route['headers_sent_route']);
-        }
-    }
-
-
-    /**
-     * This method just allows the resetting of page properties in the case where a no headers
-     * route redirects to a headers route in its route config.
-     *
-     * @param string $new_route New (non header) route to redirect to.
-     * @return   void
-     * @throws ReflectionException
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     * @since   4.3.0
-     */
-    protected function _reset_routing_properties($new_route)
-    {
-        $this->_is_UI_request = true;
-        // now we set the current route to whatever the headers_sent_route is set at
-        $this->request->setRequestParam('action', $new_route);
-        // rerun page setup
-        $this->_page_setup();
-    }
-
-
-    /**
-     * _add_query_arg
-     * adds nonce to array of arguments then calls WP add_query_arg function
-     *(internally just uses EEH_URL's function with the same name)
-     *
-     * @param array  $args
-     * @param string $url
-     * @param bool   $sticky                  if true, then the existing Request params will be appended to the
-     *                                        generated url in an associative array indexed by the key 'wp_referer';
-     *                                        Example usage: If the current page is:
-     *                                        http://mydomain.com/wp-admin/admin.php?page=espresso_registrations
-     *                                        &action=default&event_id=20&month_range=March%202015
-     *                                        &_wpnonce=5467821
-     *                                        and you call:
-     *                                        EE_Admin_Page::add_query_args_and_nonce(
-     *                                        array(
-     *                                        'action' => 'resend_something',
-     *                                        'page=>espresso_registrations'
-     *                                        ),
-     *                                        $some_url,
-     *                                        true
-     *                                        );
-     *                                        It will produce a url in this structure:
-     *                                        http://{$some_url}/?page=espresso_registrations&action=resend_something
-     *                                        &wp_referer[action]=default&wp_referer[event_id]=20&wpreferer[
-     *                                        month_range]=March%202015
-     * @param bool   $exclude_nonce           If true, the the nonce will be excluded from the generated nonce.
-     * @return string
-     */
-    public static function add_query_args_and_nonce(
-        $args = [],
-        $url = false,
-        $sticky = false,
-        $exclude_nonce = false
-    ) {
-        // if there is a _wp_http_referer include the values from the request but only if sticky = true
-        if ($sticky) {
-            /** @var RequestInterface $request */
-            $request = LoaderFactory::getLoader()->getShared(RequestInterface::class);
-            $request->unSetRequestParams(['_wp_http_referer', 'wp_referer']);
-            foreach ($request->requestParams() as $key => $value) {
-                // do not add nonces
-                if (strpos($key, 'nonce') !== false) {
-                    continue;
-                }
-                $args[ 'wp_referer[' . $key . ']' ] = $value;
-            }
-        }
-        return EEH_URL::add_query_args_and_nonce($args, $url, $exclude_nonce);
-    }
-
-
-    /**
-     * This returns a generated link that will load the related help tab.
-     *
-     * @param string $help_tab_id the id for the connected help tab
-     * @param string $icon_style  (optional) include css class for the style you want to use for the help icon.
-     * @param string $help_text   (optional) send help text you want to use for the link if default not to be used
-     * @return string              generated link
-     * @uses EEH_Template::get_help_tab_link()
-     */
-    protected function _get_help_tab_link($help_tab_id, $icon_style = '', $help_text = '')
-    {
-        return EEH_Template::get_help_tab_link(
-            $help_tab_id,
-            $this->page_slug,
-            $this->_req_action,
-            $icon_style,
-            $help_text
-        );
-    }
-
-
-    /**
-     * _add_help_tabs
-     * Note child classes define their help tabs within the page_config array.
-     *
-     * @link   http://codex.wordpress.org/Function_Reference/add_help_tab
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _add_help_tabs()
-    {
-        $tour_buttons = '';
-        if (isset($this->_page_config[ $this->_req_action ])) {
-            $config = $this->_page_config[ $this->_req_action ];
-            // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-            // is there a help tour for the current route?  if there is let's setup the tour buttons
-            // if (isset($this->_help_tour[ $this->_req_action ])) {
-            //     $tb = array();
-            //     $tour_buttons = '<div class="ee-abs-container"><div class="ee-help-tour-restart-buttons">';
-            //     foreach ($this->_help_tour['tours'] as $tour) {
-            //         // if this is the end tour then we don't need to setup a button
-            //         if ($tour instanceof EE_Help_Tour_final_stop || ! $tour instanceof EE_Help_Tour) {
-            //             continue;
-            //         }
-            //         $tb[] = '<button id="trigger-tour-'
-            //                 . $tour->get_slug()
-            //                 . '" class="button-primary trigger-ee-help-tour">'
-            //                 . $tour->get_label()
-            //                 . '</button>';
-            //     }
-            //     $tour_buttons .= implode('<br />', $tb);
-            //     $tour_buttons .= '</div></div>';
-            // }
-            // let's see if there is a help_sidebar set for the current route and we'll set that up for usage as well.
-            if (is_array($config) && isset($config['help_sidebar'])) {
-                // check that the callback given is valid
-                if (! method_exists($this, $config['help_sidebar'])) {
-                    throw new EE_Error(
-                        sprintf(
-                            esc_html__(
-                                'The _page_config array has a callback set for the "help_sidebar" option.  However the callback given (%s) is not a valid callback.  Doublecheck the spelling and make sure this method exists for the class %s',
-                                'event_espresso'
-                            ),
-                            $config['help_sidebar'],
-                            get_class($this)
-                        )
-                    );
-                }
-                $content = apply_filters(
-                    'FHEE__' . get_class($this) . '__add_help_tabs__help_sidebar',
-                    $this->{$config['help_sidebar']}()
-                );
-                $content .= $tour_buttons; // add help tour buttons.
-                // do we have any help tours setup?  Cause if we do we want to add the buttons
-                $this->_current_screen->set_help_sidebar($content);
-            }
-            // if we DON'T have config help sidebar and there ARE tour buttons then we'll just add the tour buttons to the sidebar.
-            if (! isset($config['help_sidebar']) && ! empty($tour_buttons)) {
-                $this->_current_screen->set_help_sidebar($tour_buttons);
-            }
-            // handle if no help_tabs are set so the sidebar will still show for the help tour buttons
-            if (! isset($config['help_tabs']) && ! empty($tour_buttons)) {
-                $_ht['id']      = $this->page_slug;
-                $_ht['title']   = esc_html__('Help Tours', 'event_espresso');
-                $_ht['content'] = '<p>'
-                                  . esc_html__(
-                                      'The buttons to the right allow you to start/restart any help tours available for this page',
-                                      'event_espresso'
-                                  ) . '</p>';
-                $this->_current_screen->add_help_tab($_ht);
-            }
-            if (! isset($config['help_tabs'])) {
-                return;
-            } //no help tabs for this route
-            foreach ((array) $config['help_tabs'] as $tab_id => $cfg) {
-                // we're here so there ARE help tabs!
-                // make sure we've got what we need
-                if (! isset($cfg['title'])) {
-                    throw new EE_Error(
-                        esc_html__(
-                            'The _page_config array is not set up properly for help tabs.  It is missing a title',
-                            'event_espresso'
-                        )
-                    );
-                }
-                if (! isset($cfg['filename']) && ! isset($cfg['callback']) && ! isset($cfg['content'])) {
-                    throw new EE_Error(
-                        esc_html__(
-                            'The _page_config array is not setup properly for help tabs. It is missing a either a filename reference, or a callback reference or a content reference so there is no way to know the content for the help tab',
-                            'event_espresso'
-                        )
-                    );
-                }
-                // first priority goes to content.
-                if (! empty($cfg['content'])) {
-                    $content = ! empty($cfg['content']) ? $cfg['content'] : null;
-                    // second priority goes to filename
-                } elseif (! empty($cfg['filename'])) {
-                    $file_path = $this->_get_dir() . '/help_tabs/' . $cfg['filename'] . '.help_tab.php';
-                    // it's possible that the file is located on decaf route (and above sets up for caf route, if this is the case then lets check decaf route too)
-                    $file_path = ! is_readable($file_path) ? EE_ADMIN_PAGES
-                                                             . basename($this->_get_dir())
-                                                             . '/help_tabs/'
-                                                             . $cfg['filename']
-                                                             . '.help_tab.php' : $file_path;
-                    // if file is STILL not readable then let's do a EE_Error so its more graceful than a fatal error.
-                    if (! isset($cfg['callback']) && ! is_readable($file_path)) {
-                        EE_Error::add_error(
-                            sprintf(
-                                esc_html__(
-                                    'The filename given for the help tab %s is not a valid file and there is no other configuration for the tab content.  Please check that the string you set for the help tab on this route (%s) is the correct spelling.  The file should be in %s',
-                                    'event_espresso'
-                                ),
-                                $tab_id,
-                                key($config),
-                                $file_path
-                            ),
-                            __FILE__,
-                            __FUNCTION__,
-                            __LINE__
-                        );
-                        return;
-                    }
-                    $template_args['admin_page_obj'] = $this;
-                    $content                         = EEH_Template::display_template(
-                        $file_path,
-                        $template_args,
-                        true
-                    );
-                } else {
-                    $content = '';
-                }
-                // check if callback is valid
-                if (
-                    empty($content)
-                    && (
-                        ! isset($cfg['callback']) || ! method_exists($this, $cfg['callback'])
-                    )
-                ) {
-                    EE_Error::add_error(
-                        sprintf(
-                            esc_html__(
-                                'The callback given for a %s help tab on this page does not content OR a corresponding method for generating the content.  Check the spelling or make sure the method is present.',
-                                'event_espresso'
-                            ),
-                            $cfg['title']
-                        ),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                    return;
-                }
-                // setup config array for help tab method
-                $id  = $this->page_slug . '-' . $this->_req_action . '-' . $tab_id;
-                $_ht = [
-                    'id'       => $id,
-                    'title'    => $cfg['title'],
-                    'callback' => isset($cfg['callback']) && empty($content) ? [$this, $cfg['callback']] : null,
-                    'content'  => $content,
-                ];
-                $this->_current_screen->add_help_tab($_ht);
-            }
-        }
-    }
-
-
-    /**
-     * This basically checks loaded $_page_config property to see if there are any help_tours defined.  "help_tours" is
-     * an array with properties for setting up usage of the joyride plugin
-     *
-     * @link   http://zurb.com/playground/jquery-joyride-feature-tour-plugin
-     * @see    instructions regarding the format and construction of the "help_tour" array element is found in the
-     *         _set_page_config() comments
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _add_help_tour()
-    {
-        // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-        // $tours = array();
-        // $this->_help_tour = array();
-        // // exit early if help tours are turned off globally
-        // if ((defined('EE_DISABLE_HELP_TOURS') && EE_DISABLE_HELP_TOURS)
-        //     || ! EE_Registry::instance()->CFG->admin->help_tour_activation
-        // ) {
-        //     return;
-        // }
-        // // loop through _page_config to find any help_tour defined
-        // foreach ($this->_page_config as $route => $config) {
-        //     // we're only going to set things up for this route
-        //     if ($route !== $this->_req_action) {
-        //         continue;
-        //     }
-        //     if (isset($config['help_tour'])) {
-        //         foreach ($config['help_tour'] as $tour) {
-        //             $file_path = $this->_get_dir() . '/help_tours/' . $tour . '.class.php';
-        //             // let's see if we can get that file...
-        //             // if not its possible this is a decaf route not set in caffeinated
-        //             // so lets try and get the caffeinated equivalent
-        //             $file_path = ! is_readable($file_path) ? EE_ADMIN_PAGES
-        //                                                      . basename($this->_get_dir())
-        //                                                      . '/help_tours/'
-        //                                                      . $tour
-        //                                                      . '.class.php' : $file_path;
-        //             // if file is STILL not readable then let's do a EE_Error so its more graceful than a fatal error.
-        //             if (! is_readable($file_path)) {
-        //                 EE_Error::add_error(
-        //                     sprintf(
-        //                         esc_html__(
-        //                             'The file path given for the help tour (%s) is not a valid path.  Please check that the string you set for the help tour on this route (%s) is the correct spelling',
-        //                             'event_espresso'
-        //                         ),
-        //                         $file_path,
-        //                         $tour
-        //                     ),
-        //                     __FILE__,
-        //                     __FUNCTION__,
-        //                     __LINE__
-        //                 );
-        //                 return;
-        //             }
-        //             require_once $file_path;
-        //             if (! class_exists($tour)) {
-        //                 $error_msg[] = sprintf(
-        //                     esc_html__('Something went wrong with loading the %s Help Tour Class.', 'event_espresso'),
-        //                     $tour
-        //                 );
-        //                 $error_msg[] = $error_msg[0] . "\r\n"
-        //                                . sprintf(
-        //                                    esc_html__(
-        //                                        'There is no class in place for the %s help tour.%s Make sure you have <strong>%s</strong> defined in the "help_tour" array for the %s route of the % admin page.',
-        //                                        'event_espresso'
-        //                                    ),
-        //                                    $tour,
-        //                                    '<br />',
-        //                                    $tour,
-        //                                    $this->_req_action,
-        //                                    get_class($this)
-        //                                );
-        //                 throw new EE_Error(implode('||', $error_msg));
-        //             }
-        //             $tour_obj = new $tour($this->_is_caf);
-        //             $tours[] = $tour_obj;
-        //             $this->_help_tour[ $route ][] = EEH_Template::help_tour_stops_generator($tour_obj);
-        //         }
-        //         // let's inject the end tour stop element common to all pages... this will only get seen once per machine.
-        //         $end_stop_tour = new EE_Help_Tour_final_stop($this->_is_caf);
-        //         $tours[] = $end_stop_tour;
-        //         $this->_help_tour[ $route ][] = EEH_Template::help_tour_stops_generator($end_stop_tour);
-        //     }
-        // }
-        //
-        // if (! empty($tours)) {
-        //     $this->_help_tour['tours'] = $tours;
-        // }
-        // // that's it!  Now that the $_help_tours property is set (or not)
-        // // the scripts and html should be taken care of automatically.
-        //
-        // /**
-        //  * Allow extending the help tours variable.
-        //  *
-        //  * @param Array $_help_tour The array containing all help tour information to be displayed.
-        //  */
-        // $this->_help_tour = apply_filters('FHEE__EE_Admin_Page___add_help_tour___help_tour', $this->_help_tour);
-    }
-
-
-    /**
-     * This simply sets up any qtips that have been defined in the page config
-     *
-     * @return void
-     */
-    protected function _add_qtips()
-    {
-        if (isset($this->_route_config['qtips'])) {
-            $qtips = (array) $this->_route_config['qtips'];
-            // load qtip loader
-            $path = [
-                $this->_get_dir() . '/qtips/',
-                EE_ADMIN_PAGES . basename($this->_get_dir()) . '/qtips/',
-            ];
-            EEH_Qtip_Loader::instance()->register($qtips, $path);
-        }
-    }
-
-
-    /**
-     * _set_nav_tabs
-     * This sets up the nav tabs from the page_routes array.  This method can be overwritten by child classes if you
-     * wish to add additional tabs or modify accordingly.
-     *
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    protected function _set_nav_tabs()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $i = 0;
-        foreach ($this->_page_config as $slug => $config) {
-            if (! is_array($config) || empty($config['nav'])) {
-                continue;
-            }
-            // no nav tab for this config
-            // check for persistent flag
-            if ($slug !== $this->_req_action && isset($config['nav']['persistent']) && ! $config['nav']['persistent']) {
-                // nav tab is only to appear when route requested.
-                continue;
-            }
-            if (! $this->check_user_access($slug, true)) {
-                // no nav tab because current user does not have access.
-                continue;
-            }
-            $css_class                = isset($config['css_class']) ? $config['css_class'] . ' ' : '';
-            $this->_nav_tabs[ $slug ] = [
-                'url'       => isset($config['nav']['url'])
-                    ? $config['nav']['url']
-                    : self::add_query_args_and_nonce(
-                        ['action' => $slug],
-                        $this->_admin_base_url
-                    ),
-                'link_text' => isset($config['nav']['label'])
-                    ? $config['nav']['label']
-                    : ucwords(
-                        str_replace('_', ' ', $slug)
-                    ),
-                'css_class' => $this->_req_action === $slug ? $css_class . 'nav-tab-active' : $css_class,
-                'order'     => isset($config['nav']['order']) ? $config['nav']['order'] : $i,
-            ];
-            $i++;
-        }
-        // if $this->_nav_tabs is empty then lets set the default
-        if (empty($this->_nav_tabs)) {
-            $this->_nav_tabs[ $this->_default_nav_tab_name ] = [
-                'url'       => $this->_admin_base_url,
-                'link_text' => ucwords(str_replace('_', ' ', $this->_default_nav_tab_name)),
-                'css_class' => 'nav-tab-active',
-                'order'     => 10,
-            ];
-        }
-        // now let's sort the tabs according to order
-        usort($this->_nav_tabs, [$this, '_sort_nav_tabs']);
-    }
-
-
-    /**
-     * _set_current_labels
-     * This method modifies the _labels property with any optional specific labels indicated in the _page_routes
-     * property array
-     *
-     * @return void
-     */
-    private function _set_current_labels()
-    {
-        if (is_array($this->_route_config) && isset($this->_route_config['labels'])) {
-            foreach ($this->_route_config['labels'] as $label => $text) {
-                if (is_array($text)) {
-                    foreach ($text as $sublabel => $subtext) {
-                        $this->_labels[ $label ][ $sublabel ] = $subtext;
-                    }
-                } else {
-                    $this->_labels[ $label ] = $text;
-                }
-            }
-        }
-    }
-
-
-    /**
-     *        verifies user access for this admin page
-     *
-     * @param string $route_to_check if present then the capability for the route matching this string is checked.
-     * @param bool   $verify_only    Default is FALSE which means if user check fails then wp_die().  Otherwise just
-     *                               return false if verify fail.
-     * @return bool
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function check_user_access($route_to_check = '', $verify_only = false)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $route_to_check = empty($route_to_check) ? $this->_req_action : $route_to_check;
-        $capability     = ! empty($route_to_check) && isset($this->_page_routes[ $route_to_check ])
-                          && is_array(
-                              $this->_page_routes[ $route_to_check ]
-                          )
-                          && ! empty($this->_page_routes[ $route_to_check ]['capability'])
-            ? $this->_page_routes[ $route_to_check ]['capability'] : null;
-        if (empty($capability) && empty($route_to_check)) {
-            $capability = is_array($this->_route) && empty($this->_route['capability']) ? 'manage_options'
-                : $this->_route['capability'];
-        } else {
-            $capability = empty($capability) ? 'manage_options' : $capability;
-        }
-        $id = is_array($this->_route) && ! empty($this->_route['obj_id']) ? $this->_route['obj_id'] : 0;
-        if (
-            ! $this->request->isAjax()
-            && (
-                ! function_exists('is_admin')
-                || ! EE_Registry::instance()->CAP->current_user_can(
-                    $capability,
-                    $this->page_slug
-                    . '_'
-                    . $route_to_check,
-                    $id
-                )
-            )
-        ) {
-            if ($verify_only) {
-                return false;
-            }
-            if (is_user_logged_in()) {
-                wp_die(esc_html__('You do not have access to this route.', 'event_espresso'));
-            } else {
-                return false;
-            }
-        }
-        return true;
-    }
-
-
-    /**
-     * admin_init_global
-     * This runs all the code that we want executed within the WP admin_init hook.
-     * This method executes for ALL EE Admin pages.
-     *
-     * @return void
-     */
-    public function admin_init_global()
-    {
-    }
-
-
-    /**
-     * wp_loaded_global
-     * This runs all the code that we want executed within the WP wp_loaded hook.  This method is optional for an
-     * EE_Admin page and will execute on every EE Admin Page load
-     *
-     * @return void
-     */
-    public function wp_loaded()
-    {
-    }
-
-
-    /**
-     * admin_notices
-     * Anything triggered by the 'admin_notices' WP hook should be put in here.  This particular method will apply on
-     * ALL EE_Admin pages.
-     *
-     * @return void
-     */
-    public function admin_notices_global()
-    {
-        $this->_display_no_javascript_warning();
-        $this->_display_espresso_notices();
-    }
-
-
-    public function network_admin_notices_global()
-    {
-        $this->_display_no_javascript_warning();
-        $this->_display_espresso_notices();
-    }
-
-
-    /**
-     * admin_footer_scripts_global
-     * Anything triggered by the 'admin_print_footer_scripts' WP hook should be put in here. This particular method
-     * will apply on ALL EE_Admin pages.
-     *
-     * @return void
-     */
-    public function admin_footer_scripts_global()
-    {
-        $this->_add_admin_page_ajax_loading_img();
-        $this->_add_admin_page_overlay();
-        // if metaboxes are present we need to add the nonce field
-        if (
-            isset($this->_route_config['metaboxes'])
-            || isset($this->_route_config['list_table'])
-            || (isset($this->_route_config['has_metaboxes']) && $this->_route_config['has_metaboxes'])
-        ) {
-            wp_nonce_field('closedpostboxes', 'closedpostboxesnonce', false);
-            wp_nonce_field('meta-box-order', 'meta-box-order-nonce', false);
-        }
-    }
-
-
-    /**
-     * admin_footer_global
-     * Anything triggered by the wp 'admin_footer' wp hook should be put in here. This particular method will apply on
-     * ALL EE_Admin Pages.
-     *
-     * @return void
-     */
-    public function admin_footer_global()
-    {
-        // dialog container for dialog helper
-        echo '
+				(
+					(
+						method_exists($class, $method)
+						&& call_user_func_array([$class, $method], $args) === false
+					)
+					&& (
+						// is it a standalone function that doesn't work?
+						function_exists($method)
+						&& call_user_func_array(
+							$func,
+							array_merge(['admin_page_object' => $this], $args)
+						) === false
+					)
+				)
+				|| (
+					// is it neither a class method NOR a standalone function?
+					! method_exists($class, $method)
+					&& ! function_exists($method)
+				)
+			) {
+				// user error msg
+				$error_msg = esc_html__(
+					'An error occurred. The  requested page route could not be found.',
+					'event_espresso'
+				);
+				// developer error msg
+				$error_msg .= '||';
+				$error_msg .= sprintf(
+					esc_html__(
+						'Page route "%s" could not be called. Check that the spelling for method names and actions in the "_page_routes" array are all correct.',
+						'event_espresso'
+					),
+					$method
+				);
+			}
+			if (! empty($error_msg)) {
+				throw new EE_Error($error_msg);
+			}
+		}
+		// if we've routed and this route has a no headers route AND a sent_headers_route,
+		// then we need to reset the routing properties to the new route.
+		// now if UI request is FALSE and noheader is true AND we have a headers_sent_route in the route array then let's set UI_request to true because the no header route has a second func after headers have been sent.
+		if (
+			$this->_is_UI_request === false
+			&& is_array($this->_route)
+			&& ! empty($this->_route['headers_sent_route'])
+		) {
+			$this->_reset_routing_properties($this->_route['headers_sent_route']);
+		}
+	}
+
+
+	/**
+	 * This method just allows the resetting of page properties in the case where a no headers
+	 * route redirects to a headers route in its route config.
+	 *
+	 * @param string $new_route New (non header) route to redirect to.
+	 * @return   void
+	 * @throws ReflectionException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 * @since   4.3.0
+	 */
+	protected function _reset_routing_properties($new_route)
+	{
+		$this->_is_UI_request = true;
+		// now we set the current route to whatever the headers_sent_route is set at
+		$this->request->setRequestParam('action', $new_route);
+		// rerun page setup
+		$this->_page_setup();
+	}
+
+
+	/**
+	 * _add_query_arg
+	 * adds nonce to array of arguments then calls WP add_query_arg function
+	 *(internally just uses EEH_URL's function with the same name)
+	 *
+	 * @param array  $args
+	 * @param string $url
+	 * @param bool   $sticky                  if true, then the existing Request params will be appended to the
+	 *                                        generated url in an associative array indexed by the key 'wp_referer';
+	 *                                        Example usage: If the current page is:
+	 *                                        http://mydomain.com/wp-admin/admin.php?page=espresso_registrations
+	 *                                        &action=default&event_id=20&month_range=March%202015
+	 *                                        &_wpnonce=5467821
+	 *                                        and you call:
+	 *                                        EE_Admin_Page::add_query_args_and_nonce(
+	 *                                        array(
+	 *                                        'action' => 'resend_something',
+	 *                                        'page=>espresso_registrations'
+	 *                                        ),
+	 *                                        $some_url,
+	 *                                        true
+	 *                                        );
+	 *                                        It will produce a url in this structure:
+	 *                                        http://{$some_url}/?page=espresso_registrations&action=resend_something
+	 *                                        &wp_referer[action]=default&wp_referer[event_id]=20&wpreferer[
+	 *                                        month_range]=March%202015
+	 * @param bool   $exclude_nonce           If true, the the nonce will be excluded from the generated nonce.
+	 * @return string
+	 */
+	public static function add_query_args_and_nonce(
+		$args = [],
+		$url = false,
+		$sticky = false,
+		$exclude_nonce = false
+	) {
+		// if there is a _wp_http_referer include the values from the request but only if sticky = true
+		if ($sticky) {
+			/** @var RequestInterface $request */
+			$request = LoaderFactory::getLoader()->getShared(RequestInterface::class);
+			$request->unSetRequestParams(['_wp_http_referer', 'wp_referer']);
+			foreach ($request->requestParams() as $key => $value) {
+				// do not add nonces
+				if (strpos($key, 'nonce') !== false) {
+					continue;
+				}
+				$args[ 'wp_referer[' . $key . ']' ] = $value;
+			}
+		}
+		return EEH_URL::add_query_args_and_nonce($args, $url, $exclude_nonce);
+	}
+
+
+	/**
+	 * This returns a generated link that will load the related help tab.
+	 *
+	 * @param string $help_tab_id the id for the connected help tab
+	 * @param string $icon_style  (optional) include css class for the style you want to use for the help icon.
+	 * @param string $help_text   (optional) send help text you want to use for the link if default not to be used
+	 * @return string              generated link
+	 * @uses EEH_Template::get_help_tab_link()
+	 */
+	protected function _get_help_tab_link($help_tab_id, $icon_style = '', $help_text = '')
+	{
+		return EEH_Template::get_help_tab_link(
+			$help_tab_id,
+			$this->page_slug,
+			$this->_req_action,
+			$icon_style,
+			$help_text
+		);
+	}
+
+
+	/**
+	 * _add_help_tabs
+	 * Note child classes define their help tabs within the page_config array.
+	 *
+	 * @link   http://codex.wordpress.org/Function_Reference/add_help_tab
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _add_help_tabs()
+	{
+		$tour_buttons = '';
+		if (isset($this->_page_config[ $this->_req_action ])) {
+			$config = $this->_page_config[ $this->_req_action ];
+			// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+			// is there a help tour for the current route?  if there is let's setup the tour buttons
+			// if (isset($this->_help_tour[ $this->_req_action ])) {
+			//     $tb = array();
+			//     $tour_buttons = '<div class="ee-abs-container"><div class="ee-help-tour-restart-buttons">';
+			//     foreach ($this->_help_tour['tours'] as $tour) {
+			//         // if this is the end tour then we don't need to setup a button
+			//         if ($tour instanceof EE_Help_Tour_final_stop || ! $tour instanceof EE_Help_Tour) {
+			//             continue;
+			//         }
+			//         $tb[] = '<button id="trigger-tour-'
+			//                 . $tour->get_slug()
+			//                 . '" class="button-primary trigger-ee-help-tour">'
+			//                 . $tour->get_label()
+			//                 . '</button>';
+			//     }
+			//     $tour_buttons .= implode('<br />', $tb);
+			//     $tour_buttons .= '</div></div>';
+			// }
+			// let's see if there is a help_sidebar set for the current route and we'll set that up for usage as well.
+			if (is_array($config) && isset($config['help_sidebar'])) {
+				// check that the callback given is valid
+				if (! method_exists($this, $config['help_sidebar'])) {
+					throw new EE_Error(
+						sprintf(
+							esc_html__(
+								'The _page_config array has a callback set for the "help_sidebar" option.  However the callback given (%s) is not a valid callback.  Doublecheck the spelling and make sure this method exists for the class %s',
+								'event_espresso'
+							),
+							$config['help_sidebar'],
+							get_class($this)
+						)
+					);
+				}
+				$content = apply_filters(
+					'FHEE__' . get_class($this) . '__add_help_tabs__help_sidebar',
+					$this->{$config['help_sidebar']}()
+				);
+				$content .= $tour_buttons; // add help tour buttons.
+				// do we have any help tours setup?  Cause if we do we want to add the buttons
+				$this->_current_screen->set_help_sidebar($content);
+			}
+			// if we DON'T have config help sidebar and there ARE tour buttons then we'll just add the tour buttons to the sidebar.
+			if (! isset($config['help_sidebar']) && ! empty($tour_buttons)) {
+				$this->_current_screen->set_help_sidebar($tour_buttons);
+			}
+			// handle if no help_tabs are set so the sidebar will still show for the help tour buttons
+			if (! isset($config['help_tabs']) && ! empty($tour_buttons)) {
+				$_ht['id']      = $this->page_slug;
+				$_ht['title']   = esc_html__('Help Tours', 'event_espresso');
+				$_ht['content'] = '<p>'
+								  . esc_html__(
+									  'The buttons to the right allow you to start/restart any help tours available for this page',
+									  'event_espresso'
+								  ) . '</p>';
+				$this->_current_screen->add_help_tab($_ht);
+			}
+			if (! isset($config['help_tabs'])) {
+				return;
+			} //no help tabs for this route
+			foreach ((array) $config['help_tabs'] as $tab_id => $cfg) {
+				// we're here so there ARE help tabs!
+				// make sure we've got what we need
+				if (! isset($cfg['title'])) {
+					throw new EE_Error(
+						esc_html__(
+							'The _page_config array is not set up properly for help tabs.  It is missing a title',
+							'event_espresso'
+						)
+					);
+				}
+				if (! isset($cfg['filename']) && ! isset($cfg['callback']) && ! isset($cfg['content'])) {
+					throw new EE_Error(
+						esc_html__(
+							'The _page_config array is not setup properly for help tabs. It is missing a either a filename reference, or a callback reference or a content reference so there is no way to know the content for the help tab',
+							'event_espresso'
+						)
+					);
+				}
+				// first priority goes to content.
+				if (! empty($cfg['content'])) {
+					$content = ! empty($cfg['content']) ? $cfg['content'] : null;
+					// second priority goes to filename
+				} elseif (! empty($cfg['filename'])) {
+					$file_path = $this->_get_dir() . '/help_tabs/' . $cfg['filename'] . '.help_tab.php';
+					// it's possible that the file is located on decaf route (and above sets up for caf route, if this is the case then lets check decaf route too)
+					$file_path = ! is_readable($file_path) ? EE_ADMIN_PAGES
+															 . basename($this->_get_dir())
+															 . '/help_tabs/'
+															 . $cfg['filename']
+															 . '.help_tab.php' : $file_path;
+					// if file is STILL not readable then let's do a EE_Error so its more graceful than a fatal error.
+					if (! isset($cfg['callback']) && ! is_readable($file_path)) {
+						EE_Error::add_error(
+							sprintf(
+								esc_html__(
+									'The filename given for the help tab %s is not a valid file and there is no other configuration for the tab content.  Please check that the string you set for the help tab on this route (%s) is the correct spelling.  The file should be in %s',
+									'event_espresso'
+								),
+								$tab_id,
+								key($config),
+								$file_path
+							),
+							__FILE__,
+							__FUNCTION__,
+							__LINE__
+						);
+						return;
+					}
+					$template_args['admin_page_obj'] = $this;
+					$content                         = EEH_Template::display_template(
+						$file_path,
+						$template_args,
+						true
+					);
+				} else {
+					$content = '';
+				}
+				// check if callback is valid
+				if (
+					empty($content)
+					&& (
+						! isset($cfg['callback']) || ! method_exists($this, $cfg['callback'])
+					)
+				) {
+					EE_Error::add_error(
+						sprintf(
+							esc_html__(
+								'The callback given for a %s help tab on this page does not content OR a corresponding method for generating the content.  Check the spelling or make sure the method is present.',
+								'event_espresso'
+							),
+							$cfg['title']
+						),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+					return;
+				}
+				// setup config array for help tab method
+				$id  = $this->page_slug . '-' . $this->_req_action . '-' . $tab_id;
+				$_ht = [
+					'id'       => $id,
+					'title'    => $cfg['title'],
+					'callback' => isset($cfg['callback']) && empty($content) ? [$this, $cfg['callback']] : null,
+					'content'  => $content,
+				];
+				$this->_current_screen->add_help_tab($_ht);
+			}
+		}
+	}
+
+
+	/**
+	 * This basically checks loaded $_page_config property to see if there are any help_tours defined.  "help_tours" is
+	 * an array with properties for setting up usage of the joyride plugin
+	 *
+	 * @link   http://zurb.com/playground/jquery-joyride-feature-tour-plugin
+	 * @see    instructions regarding the format and construction of the "help_tour" array element is found in the
+	 *         _set_page_config() comments
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _add_help_tour()
+	{
+		// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+		// $tours = array();
+		// $this->_help_tour = array();
+		// // exit early if help tours are turned off globally
+		// if ((defined('EE_DISABLE_HELP_TOURS') && EE_DISABLE_HELP_TOURS)
+		//     || ! EE_Registry::instance()->CFG->admin->help_tour_activation
+		// ) {
+		//     return;
+		// }
+		// // loop through _page_config to find any help_tour defined
+		// foreach ($this->_page_config as $route => $config) {
+		//     // we're only going to set things up for this route
+		//     if ($route !== $this->_req_action) {
+		//         continue;
+		//     }
+		//     if (isset($config['help_tour'])) {
+		//         foreach ($config['help_tour'] as $tour) {
+		//             $file_path = $this->_get_dir() . '/help_tours/' . $tour . '.class.php';
+		//             // let's see if we can get that file...
+		//             // if not its possible this is a decaf route not set in caffeinated
+		//             // so lets try and get the caffeinated equivalent
+		//             $file_path = ! is_readable($file_path) ? EE_ADMIN_PAGES
+		//                                                      . basename($this->_get_dir())
+		//                                                      . '/help_tours/'
+		//                                                      . $tour
+		//                                                      . '.class.php' : $file_path;
+		//             // if file is STILL not readable then let's do a EE_Error so its more graceful than a fatal error.
+		//             if (! is_readable($file_path)) {
+		//                 EE_Error::add_error(
+		//                     sprintf(
+		//                         esc_html__(
+		//                             'The file path given for the help tour (%s) is not a valid path.  Please check that the string you set for the help tour on this route (%s) is the correct spelling',
+		//                             'event_espresso'
+		//                         ),
+		//                         $file_path,
+		//                         $tour
+		//                     ),
+		//                     __FILE__,
+		//                     __FUNCTION__,
+		//                     __LINE__
+		//                 );
+		//                 return;
+		//             }
+		//             require_once $file_path;
+		//             if (! class_exists($tour)) {
+		//                 $error_msg[] = sprintf(
+		//                     esc_html__('Something went wrong with loading the %s Help Tour Class.', 'event_espresso'),
+		//                     $tour
+		//                 );
+		//                 $error_msg[] = $error_msg[0] . "\r\n"
+		//                                . sprintf(
+		//                                    esc_html__(
+		//                                        'There is no class in place for the %s help tour.%s Make sure you have <strong>%s</strong> defined in the "help_tour" array for the %s route of the % admin page.',
+		//                                        'event_espresso'
+		//                                    ),
+		//                                    $tour,
+		//                                    '<br />',
+		//                                    $tour,
+		//                                    $this->_req_action,
+		//                                    get_class($this)
+		//                                );
+		//                 throw new EE_Error(implode('||', $error_msg));
+		//             }
+		//             $tour_obj = new $tour($this->_is_caf);
+		//             $tours[] = $tour_obj;
+		//             $this->_help_tour[ $route ][] = EEH_Template::help_tour_stops_generator($tour_obj);
+		//         }
+		//         // let's inject the end tour stop element common to all pages... this will only get seen once per machine.
+		//         $end_stop_tour = new EE_Help_Tour_final_stop($this->_is_caf);
+		//         $tours[] = $end_stop_tour;
+		//         $this->_help_tour[ $route ][] = EEH_Template::help_tour_stops_generator($end_stop_tour);
+		//     }
+		// }
+		//
+		// if (! empty($tours)) {
+		//     $this->_help_tour['tours'] = $tours;
+		// }
+		// // that's it!  Now that the $_help_tours property is set (or not)
+		// // the scripts and html should be taken care of automatically.
+		//
+		// /**
+		//  * Allow extending the help tours variable.
+		//  *
+		//  * @param Array $_help_tour The array containing all help tour information to be displayed.
+		//  */
+		// $this->_help_tour = apply_filters('FHEE__EE_Admin_Page___add_help_tour___help_tour', $this->_help_tour);
+	}
+
+
+	/**
+	 * This simply sets up any qtips that have been defined in the page config
+	 *
+	 * @return void
+	 */
+	protected function _add_qtips()
+	{
+		if (isset($this->_route_config['qtips'])) {
+			$qtips = (array) $this->_route_config['qtips'];
+			// load qtip loader
+			$path = [
+				$this->_get_dir() . '/qtips/',
+				EE_ADMIN_PAGES . basename($this->_get_dir()) . '/qtips/',
+			];
+			EEH_Qtip_Loader::instance()->register($qtips, $path);
+		}
+	}
+
+
+	/**
+	 * _set_nav_tabs
+	 * This sets up the nav tabs from the page_routes array.  This method can be overwritten by child classes if you
+	 * wish to add additional tabs or modify accordingly.
+	 *
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	protected function _set_nav_tabs()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$i = 0;
+		foreach ($this->_page_config as $slug => $config) {
+			if (! is_array($config) || empty($config['nav'])) {
+				continue;
+			}
+			// no nav tab for this config
+			// check for persistent flag
+			if ($slug !== $this->_req_action && isset($config['nav']['persistent']) && ! $config['nav']['persistent']) {
+				// nav tab is only to appear when route requested.
+				continue;
+			}
+			if (! $this->check_user_access($slug, true)) {
+				// no nav tab because current user does not have access.
+				continue;
+			}
+			$css_class                = isset($config['css_class']) ? $config['css_class'] . ' ' : '';
+			$this->_nav_tabs[ $slug ] = [
+				'url'       => isset($config['nav']['url'])
+					? $config['nav']['url']
+					: self::add_query_args_and_nonce(
+						['action' => $slug],
+						$this->_admin_base_url
+					),
+				'link_text' => isset($config['nav']['label'])
+					? $config['nav']['label']
+					: ucwords(
+						str_replace('_', ' ', $slug)
+					),
+				'css_class' => $this->_req_action === $slug ? $css_class . 'nav-tab-active' : $css_class,
+				'order'     => isset($config['nav']['order']) ? $config['nav']['order'] : $i,
+			];
+			$i++;
+		}
+		// if $this->_nav_tabs is empty then lets set the default
+		if (empty($this->_nav_tabs)) {
+			$this->_nav_tabs[ $this->_default_nav_tab_name ] = [
+				'url'       => $this->_admin_base_url,
+				'link_text' => ucwords(str_replace('_', ' ', $this->_default_nav_tab_name)),
+				'css_class' => 'nav-tab-active',
+				'order'     => 10,
+			];
+		}
+		// now let's sort the tabs according to order
+		usort($this->_nav_tabs, [$this, '_sort_nav_tabs']);
+	}
+
+
+	/**
+	 * _set_current_labels
+	 * This method modifies the _labels property with any optional specific labels indicated in the _page_routes
+	 * property array
+	 *
+	 * @return void
+	 */
+	private function _set_current_labels()
+	{
+		if (is_array($this->_route_config) && isset($this->_route_config['labels'])) {
+			foreach ($this->_route_config['labels'] as $label => $text) {
+				if (is_array($text)) {
+					foreach ($text as $sublabel => $subtext) {
+						$this->_labels[ $label ][ $sublabel ] = $subtext;
+					}
+				} else {
+					$this->_labels[ $label ] = $text;
+				}
+			}
+		}
+	}
+
+
+	/**
+	 *        verifies user access for this admin page
+	 *
+	 * @param string $route_to_check if present then the capability for the route matching this string is checked.
+	 * @param bool   $verify_only    Default is FALSE which means if user check fails then wp_die().  Otherwise just
+	 *                               return false if verify fail.
+	 * @return bool
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function check_user_access($route_to_check = '', $verify_only = false)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$route_to_check = empty($route_to_check) ? $this->_req_action : $route_to_check;
+		$capability     = ! empty($route_to_check) && isset($this->_page_routes[ $route_to_check ])
+						  && is_array(
+							  $this->_page_routes[ $route_to_check ]
+						  )
+						  && ! empty($this->_page_routes[ $route_to_check ]['capability'])
+			? $this->_page_routes[ $route_to_check ]['capability'] : null;
+		if (empty($capability) && empty($route_to_check)) {
+			$capability = is_array($this->_route) && empty($this->_route['capability']) ? 'manage_options'
+				: $this->_route['capability'];
+		} else {
+			$capability = empty($capability) ? 'manage_options' : $capability;
+		}
+		$id = is_array($this->_route) && ! empty($this->_route['obj_id']) ? $this->_route['obj_id'] : 0;
+		if (
+			! $this->request->isAjax()
+			&& (
+				! function_exists('is_admin')
+				|| ! EE_Registry::instance()->CAP->current_user_can(
+					$capability,
+					$this->page_slug
+					. '_'
+					. $route_to_check,
+					$id
+				)
+			)
+		) {
+			if ($verify_only) {
+				return false;
+			}
+			if (is_user_logged_in()) {
+				wp_die(esc_html__('You do not have access to this route.', 'event_espresso'));
+			} else {
+				return false;
+			}
+		}
+		return true;
+	}
+
+
+	/**
+	 * admin_init_global
+	 * This runs all the code that we want executed within the WP admin_init hook.
+	 * This method executes for ALL EE Admin pages.
+	 *
+	 * @return void
+	 */
+	public function admin_init_global()
+	{
+	}
+
+
+	/**
+	 * wp_loaded_global
+	 * This runs all the code that we want executed within the WP wp_loaded hook.  This method is optional for an
+	 * EE_Admin page and will execute on every EE Admin Page load
+	 *
+	 * @return void
+	 */
+	public function wp_loaded()
+	{
+	}
+
+
+	/**
+	 * admin_notices
+	 * Anything triggered by the 'admin_notices' WP hook should be put in here.  This particular method will apply on
+	 * ALL EE_Admin pages.
+	 *
+	 * @return void
+	 */
+	public function admin_notices_global()
+	{
+		$this->_display_no_javascript_warning();
+		$this->_display_espresso_notices();
+	}
+
+
+	public function network_admin_notices_global()
+	{
+		$this->_display_no_javascript_warning();
+		$this->_display_espresso_notices();
+	}
+
+
+	/**
+	 * admin_footer_scripts_global
+	 * Anything triggered by the 'admin_print_footer_scripts' WP hook should be put in here. This particular method
+	 * will apply on ALL EE_Admin pages.
+	 *
+	 * @return void
+	 */
+	public function admin_footer_scripts_global()
+	{
+		$this->_add_admin_page_ajax_loading_img();
+		$this->_add_admin_page_overlay();
+		// if metaboxes are present we need to add the nonce field
+		if (
+			isset($this->_route_config['metaboxes'])
+			|| isset($this->_route_config['list_table'])
+			|| (isset($this->_route_config['has_metaboxes']) && $this->_route_config['has_metaboxes'])
+		) {
+			wp_nonce_field('closedpostboxes', 'closedpostboxesnonce', false);
+			wp_nonce_field('meta-box-order', 'meta-box-order-nonce', false);
+		}
+	}
+
+
+	/**
+	 * admin_footer_global
+	 * Anything triggered by the wp 'admin_footer' wp hook should be put in here. This particular method will apply on
+	 * ALL EE_Admin Pages.
+	 *
+	 * @return void
+	 */
+	public function admin_footer_global()
+	{
+		// dialog container for dialog helper
+		echo '
         <div class="ee-admin-dialog-container auto-hide hidden">
             <div class="ee-notices"></div>
             <div class="ee-admin-dialog-container-inner-content"></div>
         </div>
         ';
 
-        // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-        // help tour stuff?
-        // if (isset($this->_help_tour[ $this->_req_action ])) {
-        //     echo implode('<br />', $this->_help_tour[ $this->_req_action ]);
-        // }
-        // current set timezone for timezone js
-        echo '<span id="current_timezone" class="hidden">' . esc_html(EEH_DTT_Helper::get_timezone()) . '</span>';
-    }
-
-
-    /**
-     * This function sees if there is a method for help popup content existing for the given route.  If there is then
-     * we'll use the retrieved array to output the content using the template. For child classes: If you want to have
-     * help popups then in your templates or your content you set "triggers" for the content using the
-     * "_set_help_trigger('help_trigger_id')" where "help_trigger_id" is what you will use later in your custom method
-     * for the help popup content on that page. Then in your Child_Admin_Page class you need to define a help popup
-     * method for the content in the format "_help_popup_content_{route_name}()"  So if you are setting help content
-     * for the
-     * 'edit_event' route you should have a method named "_help_popup_content_edit_route". In your defined
-     * "help_popup_content_..." method.  You must prepare and return an array in the following format array(
-     *    'help_trigger_id' => array(
-     *        'title' => esc_html__('localized title for popup', 'event_espresso'),
-     *        'content' => esc_html__('localized content for popup', 'event_espresso')
-     *    )
-     * );
-     * Then the EE_Admin_Parent will take care of making sure that is setup properly on the correct route.
-     *
-     * @param array $help_array
-     * @param bool  $display
-     * @return string content
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _set_help_popup_content($help_array = [], $display = false)
-    {
-        $content    = '';
-        $help_array = empty($help_array) ? $this->_get_help_content() : $help_array;
-        // loop through the array and setup content
-        foreach ($help_array as $trigger => $help) {
-            // make sure the array is setup properly
-            if (! isset($help['title']) || ! isset($help['content'])) {
-                throw new EE_Error(
-                    esc_html__(
-                        'Does not look like the popup content array has been setup correctly.  Might want to double check that.  Read the comments for the _get_help_popup_content method found in "EE_Admin_Page" class',
-                        'event_espresso'
-                    )
-                );
-            }
-            // we're good so let'd setup the template vars and then assign parsed template content to our content.
-            $template_args = [
-                'help_popup_id'      => $trigger,
-                'help_popup_title'   => $help['title'],
-                'help_popup_content' => $help['content'],
-            ];
-            $content       .= EEH_Template::display_template(
-                EE_ADMIN_TEMPLATE . 'admin_help_popup.template.php',
-                $template_args,
-                true
-            );
-        }
-        if ($display) {
-            echo $content; // already escaped
-            return '';
-        }
-        return $content;
-    }
-
-
-    /**
-     * All this does is retrieve the help content array if set by the EE_Admin_Page child
-     *
-     * @return array properly formatted array for help popup content
-     * @throws EE_Error
-     */
-    private function _get_help_content()
-    {
-        // what is the method we're looking for?
-        $method_name = '_help_popup_content_' . $this->_req_action;
-        // if method doesn't exist let's get out.
-        if (! method_exists($this, $method_name)) {
-            return [];
-        }
-        // k we're good to go let's retrieve the help array
-        $help_array = call_user_func([$this, $method_name]);
-        // make sure we've got an array!
-        if (! is_array($help_array)) {
-            throw new EE_Error(
-                esc_html__(
-                    'Something went wrong with help popup content generation. Expecting an array and well, this ain\'t no array bub.',
-                    'event_espresso'
-                )
-            );
-        }
-        return $help_array;
-    }
-
-
-    /**
-     * EE Admin Pages can use this to set a properly formatted trigger for a help popup.
-     * By default the trigger html is printed.  Otherwise it can be returned if the $display flag is set "false"
-     * See comments made on the _set_help_content method for understanding other parts to the help popup tool.
-     *
-     * @param string  $trigger_id reference for retrieving the trigger content for the popup
-     * @param boolean $display    if false then we return the trigger string
-     * @param array   $dimensions an array of dimensions for the box (array(h,w))
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    protected function _set_help_trigger($trigger_id, $display = true, $dimensions = ['400', '640'])
-    {
-        if ($this->request->isAjax()) {
-            return '';
-        }
-        // let's check and see if there is any content set for this popup.  If there isn't then we'll include a default title and content so that developers know something needs to be corrected
-        $help_array   = $this->_get_help_content();
-        $help_content = '';
-        if (empty($help_array) || ! isset($help_array[ $trigger_id ])) {
-            $help_array[ $trigger_id ] = [
-                'title'   => esc_html__('Missing Content', 'event_espresso'),
-                'content' => esc_html__(
-                    'A trigger has been set that doesn\'t have any corresponding content. Make sure you have set the help content. (see the "_set_help_popup_content" method in the EE_Admin_Page for instructions.)',
-                    'event_espresso'
-                ),
-            ];
-            $help_content              = $this->_set_help_popup_content($help_array, false);
-        }
-        // let's setup the trigger
-        $content = '<a class="ee-dialog" href="?height='
-                   . esc_attr($dimensions[0])
-                   . '&width='
-                   . esc_attr($dimensions[1])
-                   . '&inlineId='
-                   . esc_attr($trigger_id)
-                   . '" target="_blank"><span class="question ee-help-popup-question"></span></a>';
-        $content .= $help_content;
-        if ($display) {
-            echo $content; // already escaped
-            return '';
-        }
-        return $content;
-    }
-
-
-    /**
-     * _add_global_screen_options
-     * Add any extra wp_screen_options within this method using built-in WP functions/methods for doing so.
-     * This particular method will add_screen_options on ALL EE_Admin Pages
-     *
-     * @link   http://chrismarslender.com/wp-tutorials/wordpress-screen-options-tutorial/
-     *         see also WP_Screen object documents...
-     * @link   http://codex.wordpress.org/Class_Reference/WP_Screen
-     * @abstract
-     * @return void
-     */
-    private function _add_global_screen_options()
-    {
-    }
-
-
-    /**
-     * _add_global_feature_pointers
-     * This method is used for implementing any "feature pointers" (using built-in WP styling js).
-     * This particular method will implement feature pointers for ALL EE_Admin pages.
-     * Note: this is just a placeholder for now.  Implementation will come down the road
-     *
-     * @see    WP_Internal_Pointers class in wp-admin/includes/template.php for example (its a final class so can't be
-     *         extended) also see:
-     * @link   http://eamann.com/tech/wordpress-portland/
-     * @abstract
-     * @return void
-     */
-    private function _add_global_feature_pointers()
-    {
-    }
-
-
-    /**
-     * load_global_scripts_styles
-     * The scripts and styles enqueued in here will be loaded on every EE Admin page
-     *
-     * @return void
-     */
-    public function load_global_scripts_styles()
-    {
-        /** STYLES **/
-        // add debugging styles
-        if (WP_DEBUG) {
-            add_action('admin_head', [$this, 'add_xdebug_style']);
-        }
-        // register all styles
-        wp_register_style(
-            'espresso-ui-theme',
-            EE_GLOBAL_ASSETS_URL . 'css/espresso-ui-theme/jquery-ui-1.10.3.custom.min.css',
-            [],
-            EVENT_ESPRESSO_VERSION
-        );
-        wp_register_style('ee-admin-css', EE_ADMIN_URL . 'assets/ee-admin-page.css', [], EVENT_ESPRESSO_VERSION);
-        // helpers styles
-        wp_register_style(
-            'ee-text-links',
-            EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.css',
-            [],
-            EVENT_ESPRESSO_VERSION
-        );
-        /** SCRIPTS **/
-        // register all scripts
-        wp_register_script(
-            'ee-dialog',
-            EE_ADMIN_URL . 'assets/ee-dialog-helper.js',
-            ['jquery', 'jquery-ui-draggable'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'ee_admin_js',
-            EE_ADMIN_URL . 'assets/ee-admin-page.js',
-            ['espresso_core', 'ee-parse-uri', 'ee-dialog'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'jquery-ui-timepicker-addon',
-            EE_GLOBAL_ASSETS_URL . 'scripts/jquery-ui-timepicker-addon.js',
-            ['jquery-ui-datepicker', 'jquery-ui-slider'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-        // if (EE_Registry::instance()->CFG->admin->help_tour_activation) {
-        //     add_filter('FHEE_load_joyride', '__return_true');
-        // }
-        // script for sorting tables
-        wp_register_script(
-            'espresso_ajax_table_sorting',
-            EE_ADMIN_URL . 'assets/espresso_ajax_table_sorting.js',
-            ['ee_admin_js', 'jquery-ui-sortable'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        // script for parsing uri's
-        wp_register_script(
-            'ee-parse-uri',
-            EE_GLOBAL_ASSETS_URL . 'scripts/parseuri.js',
-            [],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        // and parsing associative serialized form elements
-        wp_register_script(
-            'ee-serialize-full-array',
-            EE_GLOBAL_ASSETS_URL . 'scripts/jquery.serializefullarray.js',
-            ['jquery'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        // helpers scripts
-        wp_register_script(
-            'ee-text-links',
-            EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.js',
-            ['jquery'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'ee-moment-core',
-            EE_THIRD_PARTY_URL . 'moment/moment-with-locales.min.js',
-            [],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'ee-moment',
-            EE_THIRD_PARTY_URL . 'moment/moment-timezone-with-data.min.js',
-            ['ee-moment-core'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'ee-datepicker',
-            EE_ADMIN_URL . 'assets/ee-datepicker.js',
-            ['jquery-ui-timepicker-addon', 'ee-moment'],
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        // google charts
-        wp_register_script(
-            'google-charts',
-            'https://www.gstatic.com/charts/loader.js',
-            [],
-            EVENT_ESPRESSO_VERSION,
-            false
-        );
-        // ENQUEUE ALL BASICS BY DEFAULT
-        wp_enqueue_style('ee-admin-css');
-        wp_enqueue_script('ee_admin_js');
-        wp_enqueue_script('ee-accounting');
-        wp_enqueue_script('jquery-validate');
-        // taking care of metaboxes
-        if (
-            empty($this->_cpt_route)
-            && (isset($this->_route_config['metaboxes']) || isset($this->_route_config['has_metaboxes']))
-        ) {
-            wp_enqueue_script('dashboard');
-        }
-        // LOCALIZED DATA
-        // localize script for ajax lazy loading
-        $lazy_loader_container_ids = apply_filters(
-            'FHEE__EE_Admin_Page_Core__load_global_scripts_styles__loader_containers',
-            ['espresso_news_post_box_content']
-        );
-        wp_localize_script('ee_admin_js', 'eeLazyLoadingContainers', $lazy_loader_container_ids);
-        // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
-        // /**
-        //  * help tour stuff
-        //  */
-        // if (! empty($this->_help_tour)) {
-        //     // register the js for kicking things off
-        //     wp_enqueue_script(
-        //         'ee-help-tour',
-        //         EE_ADMIN_URL . 'assets/ee-help-tour.js',
-        //         array('jquery-joyride'),
-        //         EVENT_ESPRESSO_VERSION,
-        //         true
-        //     );
-        //     $tours = array();
-        //     // setup tours for the js tour object
-        //     foreach ($this->_help_tour['tours'] as $tour) {
-        //         if ($tour instanceof EE_Help_Tour) {
-        //             $tours[] = array(
-        //                 'id'      => $tour->get_slug(),
-        //                 'options' => $tour->get_options(),
-        //             );
-        //         }
-        //     }
-        //     wp_localize_script('ee-help-tour', 'EE_HELP_TOUR', array('tours' => $tours));
-        //     // admin_footer_global will take care of making sure our help_tour skeleton gets printed via the info stored in $this->_help_tour
-        // }
-
-        add_filter(
-            'admin_body_class',
-            function ($classes) {
-                if (strpos($classes, 'espresso-admin') === false) {
-                    $classes .= ' espresso-admin';
-                }
-                return $classes;
-            }
-        );
-    }
-
-
-    /**
-     *        admin_footer_scripts_eei18n_js_strings
-     *
-     * @return        void
-     */
-    public function admin_footer_scripts_eei18n_js_strings()
-    {
-        EE_Registry::$i18n_js_strings['ajax_url']       = WP_AJAX_URL;
-        EE_Registry::$i18n_js_strings['confirm_delete'] = wp_strip_all_tags(
-            __(
-                'Are you absolutely sure you want to delete this item?\nThis action will delete ALL DATA associated with this item!!!\nThis can NOT be undone!!!',
-                'event_espresso'
-            )
-        );
-        EE_Registry::$i18n_js_strings['January']        = wp_strip_all_tags(__('January', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['February']       = wp_strip_all_tags(__('February', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['March']          = wp_strip_all_tags(__('March', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['April']          = wp_strip_all_tags(__('April', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['May']            = wp_strip_all_tags(__('May', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['June']           = wp_strip_all_tags(__('June', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['July']           = wp_strip_all_tags(__('July', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['August']         = wp_strip_all_tags(__('August', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['September']      = wp_strip_all_tags(__('September', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['October']        = wp_strip_all_tags(__('October', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['November']       = wp_strip_all_tags(__('November', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['December']       = wp_strip_all_tags(__('December', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Jan']            = wp_strip_all_tags(__('Jan', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Feb']            = wp_strip_all_tags(__('Feb', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Mar']            = wp_strip_all_tags(__('Mar', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Apr']            = wp_strip_all_tags(__('Apr', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['May']            = wp_strip_all_tags(__('May', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Jun']            = wp_strip_all_tags(__('Jun', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Jul']            = wp_strip_all_tags(__('Jul', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Aug']            = wp_strip_all_tags(__('Aug', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Sep']            = wp_strip_all_tags(__('Sep', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Oct']            = wp_strip_all_tags(__('Oct', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Nov']            = wp_strip_all_tags(__('Nov', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Dec']            = wp_strip_all_tags(__('Dec', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Sunday']         = wp_strip_all_tags(__('Sunday', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Monday']         = wp_strip_all_tags(__('Monday', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Tuesday']        = wp_strip_all_tags(__('Tuesday', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Wednesday']      = wp_strip_all_tags(__('Wednesday', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Thursday']       = wp_strip_all_tags(__('Thursday', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Friday']         = wp_strip_all_tags(__('Friday', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Saturday']       = wp_strip_all_tags(__('Saturday', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Sun']            = wp_strip_all_tags(__('Sun', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Mon']            = wp_strip_all_tags(__('Mon', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Tue']            = wp_strip_all_tags(__('Tue', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Wed']            = wp_strip_all_tags(__('Wed', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Thu']            = wp_strip_all_tags(__('Thu', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Fri']            = wp_strip_all_tags(__('Fri', 'event_espresso'));
-        EE_Registry::$i18n_js_strings['Sat']            = wp_strip_all_tags(__('Sat', 'event_espresso'));
-    }
-
-
-    /**
-     *        load enhanced xdebug styles for ppl with failing eyesight
-     *
-     * @return        void
-     */
-    public function add_xdebug_style()
-    {
-        echo '<style>.xdebug-error { font-size:1.5em; }</style>';
-    }
-
-
-    /************************/
-    /** LIST TABLE METHODS **/
-    /************************/
-    /**
-     * this sets up the list table if the current view requires it.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _set_list_table()
-    {
-        // first is this a list_table view?
-        if (! isset($this->_route_config['list_table'])) {
-            return;
-        } //not a list_table view so get out.
-        // list table functions are per view specific (because some admin pages might have more than one list table!)
-        $list_table_view = '_set_list_table_views_' . $this->_req_action;
-        if (! method_exists($this, $list_table_view) || $this->{$list_table_view}() === false) {
-            // user error msg
-            $error_msg = esc_html__(
-                'An error occurred. The requested list table views could not be found.',
-                'event_espresso'
-            );
-            // developer error msg
-            $error_msg .= '||'
-                          . sprintf(
-                              esc_html__(
-                                  'List table views for "%s" route could not be setup. Check that you have the corresponding method, "%s" set up for defining list_table_views for this route.',
-                                  'event_espresso'
-                              ),
-                              $this->_req_action,
-                              $list_table_view
-                          );
-            throw new EE_Error($error_msg);
-        }
-        // let's provide the ability to filter the views per PAGE AND ROUTE, per PAGE, and globally
-        $this->_views = apply_filters(
-            'FHEE_list_table_views_' . $this->page_slug . '_' . $this->_req_action,
-            $this->_views
-        );
-        $this->_views = apply_filters('FHEE_list_table_views_' . $this->page_slug, $this->_views);
-        $this->_views = apply_filters('FHEE_list_table_views', $this->_views);
-        $this->_set_list_table_view();
-        $this->_set_list_table_object();
-    }
-
-
-    /**
-     * set current view for List Table
-     *
-     * @return void
-     */
-    protected function _set_list_table_view()
-    {
-        $this->_view = isset($this->_views['in_use']) ? 'in_use' : 'all';
-        $status = $this->request->getRequestParam('status', null, 'key');
-        $this->_view = $status && array_key_exists($status, $this->_views)
-            ? $status
-            : $this->_view;
-    }
-
-
-    /**
-     * _set_list_table_object
-     * WP_List_Table objects need to be loaded fairly early so automatic stuff WP does is taken care of.
-     *
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     * @throws InvalidInterfaceException
-     */
-    protected function _set_list_table_object()
-    {
-        if (isset($this->_route_config['list_table'])) {
-            if (! class_exists($this->_route_config['list_table'])) {
-                throw new EE_Error(
-                    sprintf(
-                        esc_html__(
-                            'The %s class defined for the list table does not exist.  Please check the spelling of the class ref in the $_page_config property on %s.',
-                            'event_espresso'
-                        ),
-                        $this->_route_config['list_table'],
-                        get_class($this)
-                    )
-                );
-            }
-            $this->_list_table_object = $this->loader->getShared(
-                $this->_route_config['list_table'],
-                [$this]
-            );
-        }
-    }
-
-
-    /**
-     * get_list_table_view_RLs - get it? View RL ?? VU-RL???  URL ??
-     *
-     * @param array $extra_query_args                     Optional. An array of extra query args to add to the generated
-     *                                                    urls.  The array should be indexed by the view it is being
-     *                                                    added to.
-     * @return array
-     */
-    public function get_list_table_view_RLs($extra_query_args = [])
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        if (empty($this->_views)) {
-            $this->_views = [];
-        }
-        // cycle thru views
-        foreach ($this->_views as $key => $view) {
-            $query_args = [];
-            // check for current view
-            $this->_views[ $key ]['class']               = $this->_view === $view['slug'] ? 'current' : '';
-            $query_args['action']                        = $this->_req_action;
-            $query_args[ $this->_req_action . '_nonce' ] = wp_create_nonce($query_args['action'] . '_nonce');
-            $query_args['status']                        = $view['slug'];
-            // merge any other arguments sent in.
-            if (isset($extra_query_args[ $view['slug'] ])) {
-                $query_args = array_merge($query_args, $extra_query_args[ $view['slug'] ]);
-            }
-            $this->_views[ $key ]['url'] = EE_Admin_Page::add_query_args_and_nonce($query_args, $this->_admin_base_url);
-        }
-        return $this->_views;
-    }
-
-
-    /**
-     * _entries_per_page_dropdown
-     * generates a dropdown box for selecting the number of visible rows in an admin page list table
-     *
-     * @param int $max_entries total number of rows in the table
-     * @return string
-     * @todo   : Note: ideally this should be added to the screen options dropdown as that would be consistent with how
-     *         WP does it.
-     */
-    protected function _entries_per_page_dropdown($max_entries = 0)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $values   = [10, 25, 50, 100];
-        $per_page = $this->request->getRequestParam('per_page', 10, 'int');
-        if ($max_entries) {
-            $values[] = $max_entries;
-            sort($values);
-        }
-        $entries_per_page_dropdown = '
+		// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+		// help tour stuff?
+		// if (isset($this->_help_tour[ $this->_req_action ])) {
+		//     echo implode('<br />', $this->_help_tour[ $this->_req_action ]);
+		// }
+		// current set timezone for timezone js
+		echo '<span id="current_timezone" class="hidden">' . esc_html(EEH_DTT_Helper::get_timezone()) . '</span>';
+	}
+
+
+	/**
+	 * This function sees if there is a method for help popup content existing for the given route.  If there is then
+	 * we'll use the retrieved array to output the content using the template. For child classes: If you want to have
+	 * help popups then in your templates or your content you set "triggers" for the content using the
+	 * "_set_help_trigger('help_trigger_id')" where "help_trigger_id" is what you will use later in your custom method
+	 * for the help popup content on that page. Then in your Child_Admin_Page class you need to define a help popup
+	 * method for the content in the format "_help_popup_content_{route_name}()"  So if you are setting help content
+	 * for the
+	 * 'edit_event' route you should have a method named "_help_popup_content_edit_route". In your defined
+	 * "help_popup_content_..." method.  You must prepare and return an array in the following format array(
+	 *    'help_trigger_id' => array(
+	 *        'title' => esc_html__('localized title for popup', 'event_espresso'),
+	 *        'content' => esc_html__('localized content for popup', 'event_espresso')
+	 *    )
+	 * );
+	 * Then the EE_Admin_Parent will take care of making sure that is setup properly on the correct route.
+	 *
+	 * @param array $help_array
+	 * @param bool  $display
+	 * @return string content
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _set_help_popup_content($help_array = [], $display = false)
+	{
+		$content    = '';
+		$help_array = empty($help_array) ? $this->_get_help_content() : $help_array;
+		// loop through the array and setup content
+		foreach ($help_array as $trigger => $help) {
+			// make sure the array is setup properly
+			if (! isset($help['title']) || ! isset($help['content'])) {
+				throw new EE_Error(
+					esc_html__(
+						'Does not look like the popup content array has been setup correctly.  Might want to double check that.  Read the comments for the _get_help_popup_content method found in "EE_Admin_Page" class',
+						'event_espresso'
+					)
+				);
+			}
+			// we're good so let'd setup the template vars and then assign parsed template content to our content.
+			$template_args = [
+				'help_popup_id'      => $trigger,
+				'help_popup_title'   => $help['title'],
+				'help_popup_content' => $help['content'],
+			];
+			$content       .= EEH_Template::display_template(
+				EE_ADMIN_TEMPLATE . 'admin_help_popup.template.php',
+				$template_args,
+				true
+			);
+		}
+		if ($display) {
+			echo $content; // already escaped
+			return '';
+		}
+		return $content;
+	}
+
+
+	/**
+	 * All this does is retrieve the help content array if set by the EE_Admin_Page child
+	 *
+	 * @return array properly formatted array for help popup content
+	 * @throws EE_Error
+	 */
+	private function _get_help_content()
+	{
+		// what is the method we're looking for?
+		$method_name = '_help_popup_content_' . $this->_req_action;
+		// if method doesn't exist let's get out.
+		if (! method_exists($this, $method_name)) {
+			return [];
+		}
+		// k we're good to go let's retrieve the help array
+		$help_array = call_user_func([$this, $method_name]);
+		// make sure we've got an array!
+		if (! is_array($help_array)) {
+			throw new EE_Error(
+				esc_html__(
+					'Something went wrong with help popup content generation. Expecting an array and well, this ain\'t no array bub.',
+					'event_espresso'
+				)
+			);
+		}
+		return $help_array;
+	}
+
+
+	/**
+	 * EE Admin Pages can use this to set a properly formatted trigger for a help popup.
+	 * By default the trigger html is printed.  Otherwise it can be returned if the $display flag is set "false"
+	 * See comments made on the _set_help_content method for understanding other parts to the help popup tool.
+	 *
+	 * @param string  $trigger_id reference for retrieving the trigger content for the popup
+	 * @param boolean $display    if false then we return the trigger string
+	 * @param array   $dimensions an array of dimensions for the box (array(h,w))
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	protected function _set_help_trigger($trigger_id, $display = true, $dimensions = ['400', '640'])
+	{
+		if ($this->request->isAjax()) {
+			return '';
+		}
+		// let's check and see if there is any content set for this popup.  If there isn't then we'll include a default title and content so that developers know something needs to be corrected
+		$help_array   = $this->_get_help_content();
+		$help_content = '';
+		if (empty($help_array) || ! isset($help_array[ $trigger_id ])) {
+			$help_array[ $trigger_id ] = [
+				'title'   => esc_html__('Missing Content', 'event_espresso'),
+				'content' => esc_html__(
+					'A trigger has been set that doesn\'t have any corresponding content. Make sure you have set the help content. (see the "_set_help_popup_content" method in the EE_Admin_Page for instructions.)',
+					'event_espresso'
+				),
+			];
+			$help_content              = $this->_set_help_popup_content($help_array, false);
+		}
+		// let's setup the trigger
+		$content = '<a class="ee-dialog" href="?height='
+				   . esc_attr($dimensions[0])
+				   . '&width='
+				   . esc_attr($dimensions[1])
+				   . '&inlineId='
+				   . esc_attr($trigger_id)
+				   . '" target="_blank"><span class="question ee-help-popup-question"></span></a>';
+		$content .= $help_content;
+		if ($display) {
+			echo $content; // already escaped
+			return '';
+		}
+		return $content;
+	}
+
+
+	/**
+	 * _add_global_screen_options
+	 * Add any extra wp_screen_options within this method using built-in WP functions/methods for doing so.
+	 * This particular method will add_screen_options on ALL EE_Admin Pages
+	 *
+	 * @link   http://chrismarslender.com/wp-tutorials/wordpress-screen-options-tutorial/
+	 *         see also WP_Screen object documents...
+	 * @link   http://codex.wordpress.org/Class_Reference/WP_Screen
+	 * @abstract
+	 * @return void
+	 */
+	private function _add_global_screen_options()
+	{
+	}
+
+
+	/**
+	 * _add_global_feature_pointers
+	 * This method is used for implementing any "feature pointers" (using built-in WP styling js).
+	 * This particular method will implement feature pointers for ALL EE_Admin pages.
+	 * Note: this is just a placeholder for now.  Implementation will come down the road
+	 *
+	 * @see    WP_Internal_Pointers class in wp-admin/includes/template.php for example (its a final class so can't be
+	 *         extended) also see:
+	 * @link   http://eamann.com/tech/wordpress-portland/
+	 * @abstract
+	 * @return void
+	 */
+	private function _add_global_feature_pointers()
+	{
+	}
+
+
+	/**
+	 * load_global_scripts_styles
+	 * The scripts and styles enqueued in here will be loaded on every EE Admin page
+	 *
+	 * @return void
+	 */
+	public function load_global_scripts_styles()
+	{
+		/** STYLES **/
+		// add debugging styles
+		if (WP_DEBUG) {
+			add_action('admin_head', [$this, 'add_xdebug_style']);
+		}
+		// register all styles
+		wp_register_style(
+			'espresso-ui-theme',
+			EE_GLOBAL_ASSETS_URL . 'css/espresso-ui-theme/jquery-ui-1.10.3.custom.min.css',
+			[],
+			EVENT_ESPRESSO_VERSION
+		);
+		wp_register_style('ee-admin-css', EE_ADMIN_URL . 'assets/ee-admin-page.css', [], EVENT_ESPRESSO_VERSION);
+		// helpers styles
+		wp_register_style(
+			'ee-text-links',
+			EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.css',
+			[],
+			EVENT_ESPRESSO_VERSION
+		);
+		/** SCRIPTS **/
+		// register all scripts
+		wp_register_script(
+			'ee-dialog',
+			EE_ADMIN_URL . 'assets/ee-dialog-helper.js',
+			['jquery', 'jquery-ui-draggable'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'ee_admin_js',
+			EE_ADMIN_URL . 'assets/ee-admin-page.js',
+			['espresso_core', 'ee-parse-uri', 'ee-dialog'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'jquery-ui-timepicker-addon',
+			EE_GLOBAL_ASSETS_URL . 'scripts/jquery-ui-timepicker-addon.js',
+			['jquery-ui-datepicker', 'jquery-ui-slider'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+		// if (EE_Registry::instance()->CFG->admin->help_tour_activation) {
+		//     add_filter('FHEE_load_joyride', '__return_true');
+		// }
+		// script for sorting tables
+		wp_register_script(
+			'espresso_ajax_table_sorting',
+			EE_ADMIN_URL . 'assets/espresso_ajax_table_sorting.js',
+			['ee_admin_js', 'jquery-ui-sortable'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		// script for parsing uri's
+		wp_register_script(
+			'ee-parse-uri',
+			EE_GLOBAL_ASSETS_URL . 'scripts/parseuri.js',
+			[],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		// and parsing associative serialized form elements
+		wp_register_script(
+			'ee-serialize-full-array',
+			EE_GLOBAL_ASSETS_URL . 'scripts/jquery.serializefullarray.js',
+			['jquery'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		// helpers scripts
+		wp_register_script(
+			'ee-text-links',
+			EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.js',
+			['jquery'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'ee-moment-core',
+			EE_THIRD_PARTY_URL . 'moment/moment-with-locales.min.js',
+			[],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'ee-moment',
+			EE_THIRD_PARTY_URL . 'moment/moment-timezone-with-data.min.js',
+			['ee-moment-core'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'ee-datepicker',
+			EE_ADMIN_URL . 'assets/ee-datepicker.js',
+			['jquery-ui-timepicker-addon', 'ee-moment'],
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		// google charts
+		wp_register_script(
+			'google-charts',
+			'https://www.gstatic.com/charts/loader.js',
+			[],
+			EVENT_ESPRESSO_VERSION,
+			false
+		);
+		// ENQUEUE ALL BASICS BY DEFAULT
+		wp_enqueue_style('ee-admin-css');
+		wp_enqueue_script('ee_admin_js');
+		wp_enqueue_script('ee-accounting');
+		wp_enqueue_script('jquery-validate');
+		// taking care of metaboxes
+		if (
+			empty($this->_cpt_route)
+			&& (isset($this->_route_config['metaboxes']) || isset($this->_route_config['has_metaboxes']))
+		) {
+			wp_enqueue_script('dashboard');
+		}
+		// LOCALIZED DATA
+		// localize script for ajax lazy loading
+		$lazy_loader_container_ids = apply_filters(
+			'FHEE__EE_Admin_Page_Core__load_global_scripts_styles__loader_containers',
+			['espresso_news_post_box_content']
+		);
+		wp_localize_script('ee_admin_js', 'eeLazyLoadingContainers', $lazy_loader_container_ids);
+		// disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
+		// /**
+		//  * help tour stuff
+		//  */
+		// if (! empty($this->_help_tour)) {
+		//     // register the js for kicking things off
+		//     wp_enqueue_script(
+		//         'ee-help-tour',
+		//         EE_ADMIN_URL . 'assets/ee-help-tour.js',
+		//         array('jquery-joyride'),
+		//         EVENT_ESPRESSO_VERSION,
+		//         true
+		//     );
+		//     $tours = array();
+		//     // setup tours for the js tour object
+		//     foreach ($this->_help_tour['tours'] as $tour) {
+		//         if ($tour instanceof EE_Help_Tour) {
+		//             $tours[] = array(
+		//                 'id'      => $tour->get_slug(),
+		//                 'options' => $tour->get_options(),
+		//             );
+		//         }
+		//     }
+		//     wp_localize_script('ee-help-tour', 'EE_HELP_TOUR', array('tours' => $tours));
+		//     // admin_footer_global will take care of making sure our help_tour skeleton gets printed via the info stored in $this->_help_tour
+		// }
+
+		add_filter(
+			'admin_body_class',
+			function ($classes) {
+				if (strpos($classes, 'espresso-admin') === false) {
+					$classes .= ' espresso-admin';
+				}
+				return $classes;
+			}
+		);
+	}
+
+
+	/**
+	 *        admin_footer_scripts_eei18n_js_strings
+	 *
+	 * @return        void
+	 */
+	public function admin_footer_scripts_eei18n_js_strings()
+	{
+		EE_Registry::$i18n_js_strings['ajax_url']       = WP_AJAX_URL;
+		EE_Registry::$i18n_js_strings['confirm_delete'] = wp_strip_all_tags(
+			__(
+				'Are you absolutely sure you want to delete this item?\nThis action will delete ALL DATA associated with this item!!!\nThis can NOT be undone!!!',
+				'event_espresso'
+			)
+		);
+		EE_Registry::$i18n_js_strings['January']        = wp_strip_all_tags(__('January', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['February']       = wp_strip_all_tags(__('February', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['March']          = wp_strip_all_tags(__('March', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['April']          = wp_strip_all_tags(__('April', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['May']            = wp_strip_all_tags(__('May', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['June']           = wp_strip_all_tags(__('June', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['July']           = wp_strip_all_tags(__('July', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['August']         = wp_strip_all_tags(__('August', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['September']      = wp_strip_all_tags(__('September', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['October']        = wp_strip_all_tags(__('October', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['November']       = wp_strip_all_tags(__('November', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['December']       = wp_strip_all_tags(__('December', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Jan']            = wp_strip_all_tags(__('Jan', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Feb']            = wp_strip_all_tags(__('Feb', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Mar']            = wp_strip_all_tags(__('Mar', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Apr']            = wp_strip_all_tags(__('Apr', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['May']            = wp_strip_all_tags(__('May', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Jun']            = wp_strip_all_tags(__('Jun', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Jul']            = wp_strip_all_tags(__('Jul', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Aug']            = wp_strip_all_tags(__('Aug', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Sep']            = wp_strip_all_tags(__('Sep', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Oct']            = wp_strip_all_tags(__('Oct', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Nov']            = wp_strip_all_tags(__('Nov', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Dec']            = wp_strip_all_tags(__('Dec', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Sunday']         = wp_strip_all_tags(__('Sunday', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Monday']         = wp_strip_all_tags(__('Monday', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Tuesday']        = wp_strip_all_tags(__('Tuesday', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Wednesday']      = wp_strip_all_tags(__('Wednesday', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Thursday']       = wp_strip_all_tags(__('Thursday', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Friday']         = wp_strip_all_tags(__('Friday', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Saturday']       = wp_strip_all_tags(__('Saturday', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Sun']            = wp_strip_all_tags(__('Sun', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Mon']            = wp_strip_all_tags(__('Mon', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Tue']            = wp_strip_all_tags(__('Tue', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Wed']            = wp_strip_all_tags(__('Wed', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Thu']            = wp_strip_all_tags(__('Thu', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Fri']            = wp_strip_all_tags(__('Fri', 'event_espresso'));
+		EE_Registry::$i18n_js_strings['Sat']            = wp_strip_all_tags(__('Sat', 'event_espresso'));
+	}
+
+
+	/**
+	 *        load enhanced xdebug styles for ppl with failing eyesight
+	 *
+	 * @return        void
+	 */
+	public function add_xdebug_style()
+	{
+		echo '<style>.xdebug-error { font-size:1.5em; }</style>';
+	}
+
+
+	/************************/
+	/** LIST TABLE METHODS **/
+	/************************/
+	/**
+	 * this sets up the list table if the current view requires it.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _set_list_table()
+	{
+		// first is this a list_table view?
+		if (! isset($this->_route_config['list_table'])) {
+			return;
+		} //not a list_table view so get out.
+		// list table functions are per view specific (because some admin pages might have more than one list table!)
+		$list_table_view = '_set_list_table_views_' . $this->_req_action;
+		if (! method_exists($this, $list_table_view) || $this->{$list_table_view}() === false) {
+			// user error msg
+			$error_msg = esc_html__(
+				'An error occurred. The requested list table views could not be found.',
+				'event_espresso'
+			);
+			// developer error msg
+			$error_msg .= '||'
+						  . sprintf(
+							  esc_html__(
+								  'List table views for "%s" route could not be setup. Check that you have the corresponding method, "%s" set up for defining list_table_views for this route.',
+								  'event_espresso'
+							  ),
+							  $this->_req_action,
+							  $list_table_view
+						  );
+			throw new EE_Error($error_msg);
+		}
+		// let's provide the ability to filter the views per PAGE AND ROUTE, per PAGE, and globally
+		$this->_views = apply_filters(
+			'FHEE_list_table_views_' . $this->page_slug . '_' . $this->_req_action,
+			$this->_views
+		);
+		$this->_views = apply_filters('FHEE_list_table_views_' . $this->page_slug, $this->_views);
+		$this->_views = apply_filters('FHEE_list_table_views', $this->_views);
+		$this->_set_list_table_view();
+		$this->_set_list_table_object();
+	}
+
+
+	/**
+	 * set current view for List Table
+	 *
+	 * @return void
+	 */
+	protected function _set_list_table_view()
+	{
+		$this->_view = isset($this->_views['in_use']) ? 'in_use' : 'all';
+		$status = $this->request->getRequestParam('status', null, 'key');
+		$this->_view = $status && array_key_exists($status, $this->_views)
+			? $status
+			: $this->_view;
+	}
+
+
+	/**
+	 * _set_list_table_object
+	 * WP_List_Table objects need to be loaded fairly early so automatic stuff WP does is taken care of.
+	 *
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _set_list_table_object()
+	{
+		if (isset($this->_route_config['list_table'])) {
+			if (! class_exists($this->_route_config['list_table'])) {
+				throw new EE_Error(
+					sprintf(
+						esc_html__(
+							'The %s class defined for the list table does not exist.  Please check the spelling of the class ref in the $_page_config property on %s.',
+							'event_espresso'
+						),
+						$this->_route_config['list_table'],
+						get_class($this)
+					)
+				);
+			}
+			$this->_list_table_object = $this->loader->getShared(
+				$this->_route_config['list_table'],
+				[$this]
+			);
+		}
+	}
+
+
+	/**
+	 * get_list_table_view_RLs - get it? View RL ?? VU-RL???  URL ??
+	 *
+	 * @param array $extra_query_args                     Optional. An array of extra query args to add to the generated
+	 *                                                    urls.  The array should be indexed by the view it is being
+	 *                                                    added to.
+	 * @return array
+	 */
+	public function get_list_table_view_RLs($extra_query_args = [])
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		if (empty($this->_views)) {
+			$this->_views = [];
+		}
+		// cycle thru views
+		foreach ($this->_views as $key => $view) {
+			$query_args = [];
+			// check for current view
+			$this->_views[ $key ]['class']               = $this->_view === $view['slug'] ? 'current' : '';
+			$query_args['action']                        = $this->_req_action;
+			$query_args[ $this->_req_action . '_nonce' ] = wp_create_nonce($query_args['action'] . '_nonce');
+			$query_args['status']                        = $view['slug'];
+			// merge any other arguments sent in.
+			if (isset($extra_query_args[ $view['slug'] ])) {
+				$query_args = array_merge($query_args, $extra_query_args[ $view['slug'] ]);
+			}
+			$this->_views[ $key ]['url'] = EE_Admin_Page::add_query_args_and_nonce($query_args, $this->_admin_base_url);
+		}
+		return $this->_views;
+	}
+
+
+	/**
+	 * _entries_per_page_dropdown
+	 * generates a dropdown box for selecting the number of visible rows in an admin page list table
+	 *
+	 * @param int $max_entries total number of rows in the table
+	 * @return string
+	 * @todo   : Note: ideally this should be added to the screen options dropdown as that would be consistent with how
+	 *         WP does it.
+	 */
+	protected function _entries_per_page_dropdown($max_entries = 0)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$values   = [10, 25, 50, 100];
+		$per_page = $this->request->getRequestParam('per_page', 10, 'int');
+		if ($max_entries) {
+			$values[] = $max_entries;
+			sort($values);
+		}
+		$entries_per_page_dropdown = '
 			<div id="entries-per-page-dv" class="alignleft actions">
 				<label class="hide-if-no-js">
 					Show
 					<select id="entries-per-page-slct" name="entries-per-page-slct">';
-        foreach ($values as $value) {
-            if ($value < $max_entries) {
-                $selected                  = $value === $per_page ? ' selected="' . $per_page . '"' : '';
-                $entries_per_page_dropdown .= '
+		foreach ($values as $value) {
+			if ($value < $max_entries) {
+				$selected                  = $value === $per_page ? ' selected="' . $per_page . '"' : '';
+				$entries_per_page_dropdown .= '
 						<option value="' . $value . '"' . $selected . '>' . $value . '&nbsp;&nbsp;</option>';
-            }
-        }
-        $selected                  = $max_entries === $per_page ? ' selected="' . $per_page . '"' : '';
-        $entries_per_page_dropdown .= '
+			}
+		}
+		$selected                  = $max_entries === $per_page ? ' selected="' . $per_page . '"' : '';
+		$entries_per_page_dropdown .= '
 						<option value="' . $max_entries . '"' . $selected . '>All&nbsp;&nbsp;</option>';
-        $entries_per_page_dropdown .= '
+		$entries_per_page_dropdown .= '
 					</select>
 					entries
 				</label>
 				<input id="entries-per-page-btn" class="button-secondary" type="submit" value="Go" >
 			</div>
 		';
-        return $entries_per_page_dropdown;
-    }
-
-
-    /**
-     *        _set_search_attributes
-     *
-     * @return        void
-     */
-    public function _set_search_attributes()
-    {
-        $this->_template_args['search']['btn_label'] = sprintf(
-            esc_html__('Search %s', 'event_espresso'),
-            empty($this->_search_btn_label) ? $this->page_label
-                : $this->_search_btn_label
-        );
-        $this->_template_args['search']['callback']  = 'search_' . $this->page_slug;
-    }
-
-
-
-    /*** END LIST TABLE METHODS **/
-
-
-    /**
-     * _add_registered_metaboxes
-     *  this loads any registered metaboxes via the 'metaboxes' index in the _page_config property array.
-     *
-     * @link   http://codex.wordpress.org/Function_Reference/add_meta_box
-     * @return void
-     * @throws EE_Error
-     */
-    private function _add_registered_meta_boxes()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        // we only add meta boxes if the page_route calls for it
-        if (
-            is_array($this->_route_config) && isset($this->_route_config['metaboxes'])
-            && is_array(
-                $this->_route_config['metaboxes']
-            )
-        ) {
-            // this simply loops through the callbacks provided
-            // and checks if there is a corresponding callback registered by the child
-            // if there is then we go ahead and process the metabox loader.
-            foreach ($this->_route_config['metaboxes'] as $metabox_callback) {
-                // first check for Closures
-                if ($metabox_callback instanceof Closure) {
-                    $result = $metabox_callback();
-                } elseif (is_array($metabox_callback) && isset($metabox_callback[0], $metabox_callback[1])) {
-                    $result = call_user_func([$metabox_callback[0], $metabox_callback[1]]);
-                } else {
-                    $result = call_user_func([$this, &$metabox_callback]);
-                }
-                if ($result === false) {
-                    // user error msg
-                    $error_msg = esc_html__(
-                        'An error occurred. The  requested metabox could not be found.',
-                        'event_espresso'
-                    );
-                    // developer error msg
-                    $error_msg .= '||'
-                                  . sprintf(
-                                      esc_html__(
-                                          'The metabox with the string "%s" could not be called. Check that the spelling for method names and actions in the "_page_config[\'metaboxes\']" array are all correct.',
-                                          'event_espresso'
-                                      ),
-                                      $metabox_callback
-                                  );
-                    throw new EE_Error($error_msg);
-                }
-            }
-        }
-    }
-
-
-    /**
-     * _add_screen_columns
-     * This will check the _page_config array and if there is "columns" key index indicated, we'll set the template as
-     * the dynamic column template and we'll setup the column options for the page.
-     *
-     * @return void
-     */
-    private function _add_screen_columns()
-    {
-        if (
-            is_array($this->_route_config)
-            && isset($this->_route_config['columns'])
-            && is_array($this->_route_config['columns'])
-            && count($this->_route_config['columns']) === 2
-        ) {
-            add_screen_option(
-                'layout_columns',
-                [
-                    'max'     => (int) $this->_route_config['columns'][0],
-                    'default' => (int) $this->_route_config['columns'][1],
-                ]
-            );
-            $this->_template_args['num_columns']                 = $this->_route_config['columns'][0];
-            $screen_id                                           = $this->_current_screen->id;
-            $screen_columns                                      = (int) get_user_option("screen_layout_{$screen_id}");
-            $total_columns                                       = ! empty($screen_columns)
-                ? $screen_columns
-                : $this->_route_config['columns'][1];
-            $this->_template_args['current_screen_widget_class'] = 'columns-' . $total_columns;
-            $this->_template_args['current_page']                = $this->_wp_page_slug;
-            $this->_template_args['screen']                      = $this->_current_screen;
-            $this->_column_template_path                         = EE_ADMIN_TEMPLATE
-                                                                   . 'admin_details_metabox_column_wrapper.template.php';
-            // finally if we don't have has_metaboxes set in the route config
-            // let's make sure it IS set other wise the necessary hidden fields for this won't be loaded.
-            $this->_route_config['has_metaboxes'] = true;
-        }
-    }
-
-
-
-    /** GLOBALLY AVAILABLE METABOXES **/
-
-
-    /**
-     * In this section we put any globally available EE metaboxes for all EE Admin pages.  They are called by simply
-     * referencing the callback in the _page_config array property.  This way you can be very specific about what pages
-     * these get loaded on.
-     */
-    private function _espresso_news_post_box()
-    {
-        $news_box_title = apply_filters(
-            'FHEE__EE_Admin_Page___espresso_news_post_box__news_box_title',
-            esc_html__('New @ Event Espresso', 'event_espresso')
-        );
-        add_meta_box(
-            'espresso_news_post_box',
-            $news_box_title,
-            [
-                $this,
-                'espresso_news_post_box',
-            ],
-            $this->_wp_page_slug,
-            'side'
-        );
-    }
-
-
-    /**
-     * Code for setting up espresso ratings request metabox.
-     */
-    protected function _espresso_ratings_request()
-    {
-        if (! apply_filters('FHEE_show_ratings_request_meta_box', true)) {
-            return;
-        }
-        $ratings_box_title = apply_filters(
-            'FHEE__EE_Admin_Page___espresso_news_post_box__news_box_title',
-            esc_html__('Keep Event Espresso Decaf Free', 'event_espresso')
-        );
-        add_meta_box(
-            'espresso_ratings_request',
-            $ratings_box_title,
-            [
-                $this,
-                'espresso_ratings_request',
-            ],
-            $this->_wp_page_slug,
-            'side'
-        );
-    }
-
-
-    /**
-     * Code for setting up espresso ratings request metabox content.
-     *
-     * @throws DomainException
-     */
-    public function espresso_ratings_request()
-    {
-        EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'espresso_ratings_request_content.template.php',
-            []
-        );
-    }
-
-
-    public static function cached_rss_display($rss_id, $url)
-    {
-        $loading   = '<p class="widget-loading hide-if-no-js">'
-                     . esc_html__('Loading&#8230;', 'event_espresso')
-                     . '</p><p class="hide-if-js">'
-                     . esc_html__('This widget requires JavaScript.', 'event_espresso')
-                     . '</p>';
-        $pre       = '<div class="espresso-rss-display">' . "\n\t";
-        $pre       .= '<span id="' . esc_attr($rss_id) . '_url" class="hidden">' . esc_url_raw($url) . '</span>';
-        $post      = '</div>' . "\n";
-        $cache_key = 'ee_rss_' . md5($rss_id);
-        $output    = get_transient($cache_key);
-        if ($output !== false) {
-            echo $pre . $output . $post; // already escaped
-            return true;
-        }
-        if (! (defined('DOING_AJAX') && DOING_AJAX)) {
-            echo $pre . $loading . $post; // already escaped
-            return false;
-        }
-        ob_start();
-        wp_widget_rss_output($url, ['show_date' => 0, 'items' => 5]);
-        set_transient($cache_key, ob_get_flush(), 12 * HOUR_IN_SECONDS);
-        return true;
-    }
-
-
-    public function espresso_news_post_box()
-    {
-        ?>
+		return $entries_per_page_dropdown;
+	}
+
+
+	/**
+	 *        _set_search_attributes
+	 *
+	 * @return        void
+	 */
+	public function _set_search_attributes()
+	{
+		$this->_template_args['search']['btn_label'] = sprintf(
+			esc_html__('Search %s', 'event_espresso'),
+			empty($this->_search_btn_label) ? $this->page_label
+				: $this->_search_btn_label
+		);
+		$this->_template_args['search']['callback']  = 'search_' . $this->page_slug;
+	}
+
+
+
+	/*** END LIST TABLE METHODS **/
+
+
+	/**
+	 * _add_registered_metaboxes
+	 *  this loads any registered metaboxes via the 'metaboxes' index in the _page_config property array.
+	 *
+	 * @link   http://codex.wordpress.org/Function_Reference/add_meta_box
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _add_registered_meta_boxes()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		// we only add meta boxes if the page_route calls for it
+		if (
+			is_array($this->_route_config) && isset($this->_route_config['metaboxes'])
+			&& is_array(
+				$this->_route_config['metaboxes']
+			)
+		) {
+			// this simply loops through the callbacks provided
+			// and checks if there is a corresponding callback registered by the child
+			// if there is then we go ahead and process the metabox loader.
+			foreach ($this->_route_config['metaboxes'] as $metabox_callback) {
+				// first check for Closures
+				if ($metabox_callback instanceof Closure) {
+					$result = $metabox_callback();
+				} elseif (is_array($metabox_callback) && isset($metabox_callback[0], $metabox_callback[1])) {
+					$result = call_user_func([$metabox_callback[0], $metabox_callback[1]]);
+				} else {
+					$result = call_user_func([$this, &$metabox_callback]);
+				}
+				if ($result === false) {
+					// user error msg
+					$error_msg = esc_html__(
+						'An error occurred. The  requested metabox could not be found.',
+						'event_espresso'
+					);
+					// developer error msg
+					$error_msg .= '||'
+								  . sprintf(
+									  esc_html__(
+										  'The metabox with the string "%s" could not be called. Check that the spelling for method names and actions in the "_page_config[\'metaboxes\']" array are all correct.',
+										  'event_espresso'
+									  ),
+									  $metabox_callback
+								  );
+					throw new EE_Error($error_msg);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * _add_screen_columns
+	 * This will check the _page_config array and if there is "columns" key index indicated, we'll set the template as
+	 * the dynamic column template and we'll setup the column options for the page.
+	 *
+	 * @return void
+	 */
+	private function _add_screen_columns()
+	{
+		if (
+			is_array($this->_route_config)
+			&& isset($this->_route_config['columns'])
+			&& is_array($this->_route_config['columns'])
+			&& count($this->_route_config['columns']) === 2
+		) {
+			add_screen_option(
+				'layout_columns',
+				[
+					'max'     => (int) $this->_route_config['columns'][0],
+					'default' => (int) $this->_route_config['columns'][1],
+				]
+			);
+			$this->_template_args['num_columns']                 = $this->_route_config['columns'][0];
+			$screen_id                                           = $this->_current_screen->id;
+			$screen_columns                                      = (int) get_user_option("screen_layout_{$screen_id}");
+			$total_columns                                       = ! empty($screen_columns)
+				? $screen_columns
+				: $this->_route_config['columns'][1];
+			$this->_template_args['current_screen_widget_class'] = 'columns-' . $total_columns;
+			$this->_template_args['current_page']                = $this->_wp_page_slug;
+			$this->_template_args['screen']                      = $this->_current_screen;
+			$this->_column_template_path                         = EE_ADMIN_TEMPLATE
+																   . 'admin_details_metabox_column_wrapper.template.php';
+			// finally if we don't have has_metaboxes set in the route config
+			// let's make sure it IS set other wise the necessary hidden fields for this won't be loaded.
+			$this->_route_config['has_metaboxes'] = true;
+		}
+	}
+
+
+
+	/** GLOBALLY AVAILABLE METABOXES **/
+
+
+	/**
+	 * In this section we put any globally available EE metaboxes for all EE Admin pages.  They are called by simply
+	 * referencing the callback in the _page_config array property.  This way you can be very specific about what pages
+	 * these get loaded on.
+	 */
+	private function _espresso_news_post_box()
+	{
+		$news_box_title = apply_filters(
+			'FHEE__EE_Admin_Page___espresso_news_post_box__news_box_title',
+			esc_html__('New @ Event Espresso', 'event_espresso')
+		);
+		add_meta_box(
+			'espresso_news_post_box',
+			$news_box_title,
+			[
+				$this,
+				'espresso_news_post_box',
+			],
+			$this->_wp_page_slug,
+			'side'
+		);
+	}
+
+
+	/**
+	 * Code for setting up espresso ratings request metabox.
+	 */
+	protected function _espresso_ratings_request()
+	{
+		if (! apply_filters('FHEE_show_ratings_request_meta_box', true)) {
+			return;
+		}
+		$ratings_box_title = apply_filters(
+			'FHEE__EE_Admin_Page___espresso_news_post_box__news_box_title',
+			esc_html__('Keep Event Espresso Decaf Free', 'event_espresso')
+		);
+		add_meta_box(
+			'espresso_ratings_request',
+			$ratings_box_title,
+			[
+				$this,
+				'espresso_ratings_request',
+			],
+			$this->_wp_page_slug,
+			'side'
+		);
+	}
+
+
+	/**
+	 * Code for setting up espresso ratings request metabox content.
+	 *
+	 * @throws DomainException
+	 */
+	public function espresso_ratings_request()
+	{
+		EEH_Template::display_template(
+			EE_ADMIN_TEMPLATE . 'espresso_ratings_request_content.template.php',
+			[]
+		);
+	}
+
+
+	public static function cached_rss_display($rss_id, $url)
+	{
+		$loading   = '<p class="widget-loading hide-if-no-js">'
+					 . esc_html__('Loading&#8230;', 'event_espresso')
+					 . '</p><p class="hide-if-js">'
+					 . esc_html__('This widget requires JavaScript.', 'event_espresso')
+					 . '</p>';
+		$pre       = '<div class="espresso-rss-display">' . "\n\t";
+		$pre       .= '<span id="' . esc_attr($rss_id) . '_url" class="hidden">' . esc_url_raw($url) . '</span>';
+		$post      = '</div>' . "\n";
+		$cache_key = 'ee_rss_' . md5($rss_id);
+		$output    = get_transient($cache_key);
+		if ($output !== false) {
+			echo $pre . $output . $post; // already escaped
+			return true;
+		}
+		if (! (defined('DOING_AJAX') && DOING_AJAX)) {
+			echo $pre . $loading . $post; // already escaped
+			return false;
+		}
+		ob_start();
+		wp_widget_rss_output($url, ['show_date' => 0, 'items' => 5]);
+		set_transient($cache_key, ob_get_flush(), 12 * HOUR_IN_SECONDS);
+		return true;
+	}
+
+
+	public function espresso_news_post_box()
+	{
+		?>
         <div class="padding">
             <div id="espresso_news_post_box_content" class="infolinks">
                 <?php
-                // Get RSS Feed(s)
-                self::cached_rss_display(
-                    'espresso_news_post_box_content',
-                    urlencode(
-                        apply_filters(
-                            'FHEE__EE_Admin_Page__espresso_news_post_box__feed_url',
-                            'https://eventespresso.com/feed/'
-                        )
-                    )
-                );
-                ?>
+				// Get RSS Feed(s)
+				self::cached_rss_display(
+					'espresso_news_post_box_content',
+					urlencode(
+						apply_filters(
+							'FHEE__EE_Admin_Page__espresso_news_post_box__feed_url',
+							'https://eventespresso.com/feed/'
+						)
+					)
+				);
+				?>
             </div>
             <?php do_action('AHEE__EE_Admin_Page__espresso_news_post_box__after_content'); ?>
         </div>
         <?php
-    }
-
-
-    private function _espresso_links_post_box()
-    {
-        // Hiding until we actually have content to put in here...
-        // add_meta_box('espresso_links_post_box', esc_html__('Helpful Plugin Links', 'event_espresso'), array( $this, 'espresso_links_post_box'), $this->_wp_page_slug, 'side');
-    }
-
-
-    public function espresso_links_post_box()
-    {
-        // Hiding until we actually have content to put in here...
-        // EEH_Template::display_template(
-        //     EE_ADMIN_TEMPLATE . 'admin_general_metabox_contents_espresso_links.template.php'
-        // );
-    }
-
-
-    protected function _espresso_sponsors_post_box()
-    {
-        if (apply_filters('FHEE_show_sponsors_meta_box', true)) {
-            add_meta_box(
-                'espresso_sponsors_post_box',
-                esc_html__('Event Espresso Highlights', 'event_espresso'),
-                [$this, 'espresso_sponsors_post_box'],
-                $this->_wp_page_slug,
-                'side'
-            );
-        }
-    }
-
-
-    public function espresso_sponsors_post_box()
-    {
-        EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'admin_general_metabox_contents_espresso_sponsors.template.php'
-        );
-    }
-
-
-    private function _publish_post_box()
-    {
-        $meta_box_ref = 'espresso_' . $this->page_slug . '_editor_overview';
-        // if there is a array('label' => array('publishbox' => 'some title') ) present in the _page_config array
-        // then we'll use that for the metabox label.
-        // Otherwise we'll just use publish (publishbox itself could be an array of labels indexed by routes)
-        if (! empty($this->_labels['publishbox'])) {
-            $box_label = is_array($this->_labels['publishbox']) ? $this->_labels['publishbox'][ $this->_req_action ]
-                : $this->_labels['publishbox'];
-        } else {
-            $box_label = esc_html__('Publish', 'event_espresso');
-        }
-        $box_label = apply_filters(
-            'FHEE__EE_Admin_Page___publish_post_box__box_label',
-            $box_label,
-            $this->_req_action,
-            $this
-        );
-        add_meta_box(
-            $meta_box_ref,
-            $box_label,
-            [$this, 'editor_overview'],
-            $this->_current_screen->id,
-            'side',
-            'high'
-        );
-    }
-
-
-    public function editor_overview()
-    {
-        // if we have extra content set let's add it in if not make sure its empty
-        $this->_template_args['publish_box_extra_content'] = isset($this->_template_args['publish_box_extra_content'])
-            ? $this->_template_args['publish_box_extra_content']
-            : '';
-        echo EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'admin_details_publish_metabox.template.php',
-            $this->_template_args,
-            true
-        );
-    }
-
-
-    /** end of globally available metaboxes section **/
-
-
-    /**
-     * Public wrapper for the protected method.  Allows plugins/addons to externally call the
-     * protected method.
-     *
-     * @param string $name
-     * @param int    $id
-     * @param bool   $delete
-     * @param string $save_close_redirect_URL
-     * @param bool   $both_btns
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @see   $this->_set_publish_post_box_vars for param details
-     * @since 4.6.0
-     */
-    public function set_publish_post_box_vars(
-        $name = '',
-        $id = 0,
-        $delete = false,
-        $save_close_redirect_URL = '',
-        $both_btns = true
-    ) {
-        $this->_set_publish_post_box_vars(
-            $name,
-            $id,
-            $delete,
-            $save_close_redirect_URL,
-            $both_btns
-        );
-    }
-
-
-    /**
-     * Sets the _template_args arguments used by the _publish_post_box shortcut
-     * Note: currently there is no validation for this.  However if you want the delete button, the
-     * save, and save and close buttons to work properly, then you will want to include a
-     * values for the name and id arguments.
-     *
-     * @param string  $name                       key used for the action ID (i.e. event_id)
-     * @param int     $id                         id attached to the item published
-     * @param string  $delete                     page route callback for the delete action
-     * @param string  $save_close_redirect_URL    custom URL to redirect to after Save & Close has been completed
-     * @param boolean $both_btns                  whether to display BOTH the "Save & Close" and "Save" buttons or just
-     *                                            the Save button
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @todo  Add in validation for name/id arguments.
-     */
-    protected function _set_publish_post_box_vars(
-        $name = '',
-        $id = 0,
-        $delete = '',
-        $save_close_redirect_URL = '',
-        $both_btns = true
-    ) {
-        // if Save & Close, use a custom redirect URL or default to the main page?
-        $save_close_redirect_URL = ! empty($save_close_redirect_URL)
-            ? $save_close_redirect_URL
-            : $this->_admin_base_url;
-        // create the Save & Close and Save buttons
-        $this->_set_save_buttons($both_btns, [], [], $save_close_redirect_URL);
-        // if we have extra content set let's add it in if not make sure its empty
-        $this->_template_args['publish_box_extra_content'] = isset($this->_template_args['publish_box_extra_content'])
-            ? $this->_template_args['publish_box_extra_content']
-            : '';
-        if ($delete && ! empty($id)) {
-            // make sure we have a default if just true is sent.
-            $delete           = ! empty($delete) ? $delete : 'delete';
-            $delete_link_args = [$name => $id];
-            $delete           = $this->get_action_link_or_button(
-                $delete,
-                $delete,
-                $delete_link_args,
-                'submitdelete deletion',
-                '',
-                false
-            );
-        }
-        $this->_template_args['publish_delete_link'] = ! empty($id) ? $delete : '';
-        if (! empty($name) && ! empty($id)) {
-            $hidden_field_arr[ $name ] = [
-                'type'  => 'hidden',
-                'value' => $id,
-            ];
-            $hf                        = $this->_generate_admin_form_fields($hidden_field_arr, 'array');
-        } else {
-            $hf = '';
-        }
-        // add hidden field
-        $this->_template_args['publish_hidden_fields'] = is_array($hf) && ! empty($name)
-            ? $hf[ $name ]['field']
-            : $hf;
-    }
-
-
-    /**
-     * displays an error message to ppl who have javascript disabled
-     *
-     * @return void
-     */
-    private function _display_no_javascript_warning()
-    {
-        ?>
+	}
+
+
+	private function _espresso_links_post_box()
+	{
+		// Hiding until we actually have content to put in here...
+		// add_meta_box('espresso_links_post_box', esc_html__('Helpful Plugin Links', 'event_espresso'), array( $this, 'espresso_links_post_box'), $this->_wp_page_slug, 'side');
+	}
+
+
+	public function espresso_links_post_box()
+	{
+		// Hiding until we actually have content to put in here...
+		// EEH_Template::display_template(
+		//     EE_ADMIN_TEMPLATE . 'admin_general_metabox_contents_espresso_links.template.php'
+		// );
+	}
+
+
+	protected function _espresso_sponsors_post_box()
+	{
+		if (apply_filters('FHEE_show_sponsors_meta_box', true)) {
+			add_meta_box(
+				'espresso_sponsors_post_box',
+				esc_html__('Event Espresso Highlights', 'event_espresso'),
+				[$this, 'espresso_sponsors_post_box'],
+				$this->_wp_page_slug,
+				'side'
+			);
+		}
+	}
+
+
+	public function espresso_sponsors_post_box()
+	{
+		EEH_Template::display_template(
+			EE_ADMIN_TEMPLATE . 'admin_general_metabox_contents_espresso_sponsors.template.php'
+		);
+	}
+
+
+	private function _publish_post_box()
+	{
+		$meta_box_ref = 'espresso_' . $this->page_slug . '_editor_overview';
+		// if there is a array('label' => array('publishbox' => 'some title') ) present in the _page_config array
+		// then we'll use that for the metabox label.
+		// Otherwise we'll just use publish (publishbox itself could be an array of labels indexed by routes)
+		if (! empty($this->_labels['publishbox'])) {
+			$box_label = is_array($this->_labels['publishbox']) ? $this->_labels['publishbox'][ $this->_req_action ]
+				: $this->_labels['publishbox'];
+		} else {
+			$box_label = esc_html__('Publish', 'event_espresso');
+		}
+		$box_label = apply_filters(
+			'FHEE__EE_Admin_Page___publish_post_box__box_label',
+			$box_label,
+			$this->_req_action,
+			$this
+		);
+		add_meta_box(
+			$meta_box_ref,
+			$box_label,
+			[$this, 'editor_overview'],
+			$this->_current_screen->id,
+			'side',
+			'high'
+		);
+	}
+
+
+	public function editor_overview()
+	{
+		// if we have extra content set let's add it in if not make sure its empty
+		$this->_template_args['publish_box_extra_content'] = isset($this->_template_args['publish_box_extra_content'])
+			? $this->_template_args['publish_box_extra_content']
+			: '';
+		echo EEH_Template::display_template(
+			EE_ADMIN_TEMPLATE . 'admin_details_publish_metabox.template.php',
+			$this->_template_args,
+			true
+		);
+	}
+
+
+	/** end of globally available metaboxes section **/
+
+
+	/**
+	 * Public wrapper for the protected method.  Allows plugins/addons to externally call the
+	 * protected method.
+	 *
+	 * @param string $name
+	 * @param int    $id
+	 * @param bool   $delete
+	 * @param string $save_close_redirect_URL
+	 * @param bool   $both_btns
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @see   $this->_set_publish_post_box_vars for param details
+	 * @since 4.6.0
+	 */
+	public function set_publish_post_box_vars(
+		$name = '',
+		$id = 0,
+		$delete = false,
+		$save_close_redirect_URL = '',
+		$both_btns = true
+	) {
+		$this->_set_publish_post_box_vars(
+			$name,
+			$id,
+			$delete,
+			$save_close_redirect_URL,
+			$both_btns
+		);
+	}
+
+
+	/**
+	 * Sets the _template_args arguments used by the _publish_post_box shortcut
+	 * Note: currently there is no validation for this.  However if you want the delete button, the
+	 * save, and save and close buttons to work properly, then you will want to include a
+	 * values for the name and id arguments.
+	 *
+	 * @param string  $name                       key used for the action ID (i.e. event_id)
+	 * @param int     $id                         id attached to the item published
+	 * @param string  $delete                     page route callback for the delete action
+	 * @param string  $save_close_redirect_URL    custom URL to redirect to after Save & Close has been completed
+	 * @param boolean $both_btns                  whether to display BOTH the "Save & Close" and "Save" buttons or just
+	 *                                            the Save button
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @todo  Add in validation for name/id arguments.
+	 */
+	protected function _set_publish_post_box_vars(
+		$name = '',
+		$id = 0,
+		$delete = '',
+		$save_close_redirect_URL = '',
+		$both_btns = true
+	) {
+		// if Save & Close, use a custom redirect URL or default to the main page?
+		$save_close_redirect_URL = ! empty($save_close_redirect_URL)
+			? $save_close_redirect_URL
+			: $this->_admin_base_url;
+		// create the Save & Close and Save buttons
+		$this->_set_save_buttons($both_btns, [], [], $save_close_redirect_URL);
+		// if we have extra content set let's add it in if not make sure its empty
+		$this->_template_args['publish_box_extra_content'] = isset($this->_template_args['publish_box_extra_content'])
+			? $this->_template_args['publish_box_extra_content']
+			: '';
+		if ($delete && ! empty($id)) {
+			// make sure we have a default if just true is sent.
+			$delete           = ! empty($delete) ? $delete : 'delete';
+			$delete_link_args = [$name => $id];
+			$delete           = $this->get_action_link_or_button(
+				$delete,
+				$delete,
+				$delete_link_args,
+				'submitdelete deletion',
+				'',
+				false
+			);
+		}
+		$this->_template_args['publish_delete_link'] = ! empty($id) ? $delete : '';
+		if (! empty($name) && ! empty($id)) {
+			$hidden_field_arr[ $name ] = [
+				'type'  => 'hidden',
+				'value' => $id,
+			];
+			$hf                        = $this->_generate_admin_form_fields($hidden_field_arr, 'array');
+		} else {
+			$hf = '';
+		}
+		// add hidden field
+		$this->_template_args['publish_hidden_fields'] = is_array($hf) && ! empty($name)
+			? $hf[ $name ]['field']
+			: $hf;
+	}
+
+
+	/**
+	 * displays an error message to ppl who have javascript disabled
+	 *
+	 * @return void
+	 */
+	private function _display_no_javascript_warning()
+	{
+		?>
         <noscript>
             <div id="no-js-message" class="error">
                 <p style="font-size:1.3em;">
                     <span style="color:red;"><?php esc_html_e('Warning!', 'event_espresso'); ?></span>
                     <?php esc_html_e(
-                        'Javascript is currently turned off for your browser. Javascript must be enabled in order for all of the features on this page to function properly. Please turn your javascript back on.',
-                        'event_espresso'
-                    ); ?>
+						'Javascript is currently turned off for your browser. Javascript must be enabled in order for all of the features on this page to function properly. Please turn your javascript back on.',
+						'event_espresso'
+					); ?>
                 </p>
             </div>
         </noscript>
         <?php
-    }
-
-
-    /**
-     * displays espresso success and/or error notices
-     *
-     * @return void
-     */
-    private function _display_espresso_notices()
-    {
-        $notices = $this->_get_transient(true);
-        echo stripslashes($notices);
-    }
-
-
-    /**
-     * spinny things pacify the masses
-     *
-     * @return void
-     */
-    protected function _add_admin_page_ajax_loading_img()
-    {
-        ?>
+	}
+
+
+	/**
+	 * displays espresso success and/or error notices
+	 *
+	 * @return void
+	 */
+	private function _display_espresso_notices()
+	{
+		$notices = $this->_get_transient(true);
+		echo stripslashes($notices);
+	}
+
+
+	/**
+	 * spinny things pacify the masses
+	 *
+	 * @return void
+	 */
+	protected function _add_admin_page_ajax_loading_img()
+	{
+		?>
         <div id="espresso-ajax-loading" class="ajax-loading-grey">
             <span class="ee-spinner ee-spin"></span><span class="hidden"><?php
-                esc_html_e('loading...', 'event_espresso'); ?></span>
+				esc_html_e('loading...', 'event_espresso'); ?></span>
         </div>
         <?php
-    }
+	}
 
 
-    /**
-     * add admin page overlay for modal boxes
-     *
-     * @return void
-     */
-    protected function _add_admin_page_overlay()
-    {
-        ?>
+	/**
+	 * add admin page overlay for modal boxes
+	 *
+	 * @return void
+	 */
+	protected function _add_admin_page_overlay()
+	{
+		?>
         <div id="espresso-admin-page-overlay-dv" class=""></div>
         <?php
-    }
-
-
-    /**
-     * facade for add_meta_box
-     *
-     * @param string  $action        where the metabox get's displayed
-     * @param string  $title         Title of Metabox (output in metabox header)
-     * @param string  $callback      If not empty and $create_fun is set to false then we'll use a custom callback
-     *                               instead of the one created in here.
-     * @param array   $callback_args an array of args supplied for the metabox
-     * @param string  $column        what metabox column
-     * @param string  $priority      give this metabox a priority (using accepted priorities for wp meta boxes)
-     * @param boolean $create_func   default is true.  Basically we can say we don't WANT to have the runtime function
-     *                               created but just set our own callback for wp's add_meta_box.
-     * @throws DomainException
-     */
-    public function _add_admin_page_meta_box(
-        $action,
-        $title,
-        $callback,
-        $callback_args,
-        $column = 'normal',
-        $priority = 'high',
-        $create_func = true
-    ) {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, $callback);
-        // if we have empty callback args and we want to automatically create the metabox callback then we need to make sure the callback args are generated.
-        if (empty($callback_args) && $create_func) {
-            $callback_args = [
-                'template_path' => $this->_template_path,
-                'template_args' => $this->_template_args,
-            ];
-        }
-        // if $create_func is true (default) then we automatically create the function for displaying the actual meta box.  If false then we take the $callback reference passed through and use it instead (so callers can define their own callback function/method if they wish)
-        $call_back_func = $create_func
-            ? function ($post, $metabox) {
-                do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-                echo EEH_Template::display_template(
-                    $metabox['args']['template_path'],
-                    $metabox['args']['template_args'],
-                    true
-                );
-            }
-            : $callback;
-        add_meta_box(
-            str_replace('_', '-', $action) . '-mbox',
-            $title,
-            $call_back_func,
-            $this->_wp_page_slug,
-            $column,
-            $priority,
-            $callback_args
-        );
-    }
-
-
-    /**
-     * generates HTML wrapper for and admin details page that contains metaboxes in columns
-     *
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    public function display_admin_page_with_metabox_columns()
-    {
-        $this->_template_args['post_body_content']  = $this->_template_args['admin_page_content'];
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            $this->_column_template_path,
-            $this->_template_args,
-            true
-        );
-        // the final wrapper
-        $this->admin_page_wrapper();
-    }
-
-
-    /**
-     * generates  HTML wrapper for an admin details page
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws DomainException
-     */
-    public function display_admin_page_with_sidebar()
-    {
-        $this->_display_admin_page(true);
-    }
-
-
-    /**
-     * generates  HTML wrapper for an admin details page (except no sidebar)
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws DomainException
-     */
-    public function display_admin_page_with_no_sidebar()
-    {
-        $this->_display_admin_page();
-    }
-
-
-    /**
-     * generates HTML wrapper for an EE about admin page (no sidebar)
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws DomainException
-     */
-    public function display_about_admin_page()
-    {
-        $this->_display_admin_page(false, true);
-    }
-
-
-    /**
-     * display_admin_page
-     * contains the code for actually displaying an admin page
-     *
-     * @param boolean $sidebar true with sidebar, false without
-     * @param boolean $about   use the about_admin_wrapper instead of the default.
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    private function _display_admin_page($sidebar = false, $about = false)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        // custom remove metaboxes hook to add or remove any metaboxes to/from Admin pages.
-        do_action('AHEE__EE_Admin_Page___display_admin_page__modify_metaboxes');
-        // set current wp page slug - looks like: event-espresso_page_event_categories
-        // keep in mind "event-espresso" COULD be something else if the top level menu label has been translated.
-        $this->_template_args['current_page']              = $this->_wp_page_slug;
-        $this->_template_args['admin_page_wrapper_div_id'] = $this->_cpt_route
-            ? 'poststuff'
-            : 'espresso-default-admin';
-        $template_path                                     = $sidebar
-            ? EE_ADMIN_TEMPLATE . 'admin_details_wrapper.template.php'
-            : EE_ADMIN_TEMPLATE . 'admin_details_wrapper_no_sidebar.template.php';
-        if ($this->request->isAjax()) {
-            $template_path = EE_ADMIN_TEMPLATE . 'admin_details_wrapper_no_sidebar_ajax.template.php';
-        }
-        $template_path                                     = ! empty($this->_column_template_path)
-            ? $this->_column_template_path : $template_path;
-        $this->_template_args['post_body_content']         = isset($this->_template_args['admin_page_content'])
-            ? $this->_template_args['admin_page_content']
-            : '';
-        $this->_template_args['before_admin_page_content'] = isset($this->_template_args['before_admin_page_content'])
-            ? $this->_template_args['before_admin_page_content']
-            : '';
-        $this->_template_args['after_admin_page_content']  = isset($this->_template_args['after_admin_page_content'])
-            ? $this->_template_args['after_admin_page_content']
-            : '';
-        $this->_template_args['admin_page_content']        = EEH_Template::display_template(
-            $template_path,
-            $this->_template_args,
-            true
-        );
-        // the final template wrapper
-        $this->admin_page_wrapper($about);
-    }
-
-
-    /**
-     * This is used to display caf preview pages.
-     *
-     * @param string $utm_campaign_source what is the key used for google analytics link
-     * @param bool   $display_sidebar     whether to use the sidebar template or the full template for the page.  TRUE
-     *                                    = SHOW sidebar, FALSE = no sidebar. Default no sidebar.
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @since 4.3.2
-     */
-    public function display_admin_caf_preview_page($utm_campaign_source = '', $display_sidebar = true)
-    {
-        // let's generate a default preview action button if there isn't one already present.
-        $this->_labels['buttons']['buy_now']           = esc_html__(
-            'Upgrade to Event Espresso 4 Right Now',
-            'event_espresso'
-        );
-        $buy_now_url                                   = add_query_arg(
-            [
-                'ee_ver'       => 'ee4',
-                'utm_source'   => 'ee4_plugin_admin',
-                'utm_medium'   => 'link',
-                'utm_campaign' => $utm_campaign_source,
-                'utm_content'  => 'buy_now_button',
-            ],
-            'https://eventespresso.com/pricing/'
-        );
-        $this->_template_args['preview_action_button'] = ! isset($this->_template_args['preview_action_button'])
-            ? $this->get_action_link_or_button(
-                '',
-                'buy_now',
-                [],
-                'button-primary button-large',
-                esc_url_raw($buy_now_url),
-                true
-            )
-            : $this->_template_args['preview_action_button'];
-        $this->_template_args['admin_page_content']    = EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'admin_caf_full_page_preview.template.php',
-            $this->_template_args,
-            true
-        );
-        $this->_display_admin_page($display_sidebar);
-    }
-
-
-    /**
-     * display_admin_list_table_page_with_sidebar
-     * generates HTML wrapper for an admin_page with list_table
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws DomainException
-     */
-    public function display_admin_list_table_page_with_sidebar()
-    {
-        $this->_display_admin_list_table_page(true);
-    }
-
-
-    /**
-     * display_admin_list_table_page_with_no_sidebar
-     * generates HTML wrapper for an admin_page with list_table (but with no sidebar)
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws DomainException
-     */
-    public function display_admin_list_table_page_with_no_sidebar()
-    {
-        $this->_display_admin_list_table_page();
-    }
-
-
-    /**
-     * generates html wrapper for an admin_list_table page
-     *
-     * @param boolean $sidebar whether to display with sidebar or not.
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    private function _display_admin_list_table_page($sidebar = false)
-    {
-        // setup search attributes
-        $this->_set_search_attributes();
-        $this->_template_args['current_page']     = $this->_wp_page_slug;
-        $template_path                            = EE_ADMIN_TEMPLATE . 'admin_list_wrapper.template.php';
-        $this->_template_args['table_url']        = $this->request->isAjax()
-            ? add_query_arg(['noheader' => 'true', 'route' => $this->_req_action], $this->_admin_base_url)
-            : add_query_arg(['route' => $this->_req_action], $this->_admin_base_url);
-        $this->_template_args['list_table']       = $this->_list_table_object;
-        $this->_template_args['current_route']    = $this->_req_action;
-        $this->_template_args['list_table_class'] = get_class($this->_list_table_object);
-        $ajax_sorting_callback                    = $this->_list_table_object->get_ajax_sorting_callback();
-        if (! empty($ajax_sorting_callback)) {
-            $sortable_list_table_form_fields = wp_nonce_field(
-                $ajax_sorting_callback . '_nonce',
-                $ajax_sorting_callback . '_nonce',
-                false,
-                false
-            );
-            $sortable_list_table_form_fields .= '<input type="hidden" id="ajax_table_sort_page" name="ajax_table_sort_page" value="'
-                                                . $this->page_slug
-                                                . '" />';
-            $sortable_list_table_form_fields .= '<input type="hidden" id="ajax_table_sort_action" name="ajax_table_sort_action" value="'
-                                                . $ajax_sorting_callback
-                                                . '" />';
-        } else {
-            $sortable_list_table_form_fields = '';
-        }
-        $this->_template_args['sortable_list_table_form_fields'] = $sortable_list_table_form_fields;
-        $hidden_form_fields                                      =
-            isset($this->_template_args['list_table_hidden_fields'])
-                ? $this->_template_args['list_table_hidden_fields']
-                : '';
-        $nonce_ref                                               = $this->_req_action . '_nonce';
-        $hidden_form_fields                                      .= '<input type="hidden" name="'
-                                                                    . $nonce_ref
-                                                                    . '" value="'
-                                                                    . wp_create_nonce($nonce_ref)
-                                                                    . '">';
-        $this->_template_args['list_table_hidden_fields']        = $hidden_form_fields;
-        // display message about search results?
-        $search = $this->request->getRequestParam('s');
-        $this->_template_args['before_list_table'] .= ! empty($search)
-            ? '<p class="ee-search-results">' . sprintf(
-                esc_html__('Displaying search results for the search string: %1$s', 'event_espresso'),
-                trim($search, '%')
-            ) . '</p>'
-            : '';
-        // filter before_list_table template arg
-        $this->_template_args['before_list_table'] = apply_filters(
-            'FHEE__EE_Admin_Page___display_admin_list_table_page__before_list_table__template_arg',
-            $this->_template_args['before_list_table'],
-            $this->page_slug,
-            $this->request->requestParams(),
-            $this->_req_action
-        );
-        // convert to array and filter again
-        // arrays are easier to inject new items in a specific location,
-        // but would not be backwards compatible, so we have to add a new filter
-        $this->_template_args['before_list_table'] = implode(
-            " \n",
-            (array) apply_filters(
-                'FHEE__EE_Admin_Page___display_admin_list_table_page__before_list_table__template_args_array',
-                (array) $this->_template_args['before_list_table'],
-                $this->page_slug,
-                $this->request->requestParams(),
-                $this->_req_action
-            )
-        );
-        // filter after_list_table template arg
-        $this->_template_args['after_list_table'] = apply_filters(
-            'FHEE__EE_Admin_Page___display_admin_list_table_page__after_list_table__template_arg',
-            $this->_template_args['after_list_table'],
-            $this->page_slug,
-            $this->request->requestParams(),
-            $this->_req_action
-        );
-        // convert to array and filter again
-        // arrays are easier to inject new items in a specific location,
-        // but would not be backwards compatible, so we have to add a new filter
-        $this->_template_args['after_list_table']   = implode(
-            " \n",
-            (array) apply_filters(
-                'FHEE__EE_Admin_Page___display_admin_list_table_page__after_list_table__template_args_array',
-                (array) $this->_template_args['after_list_table'],
-                $this->page_slug,
-                $this->request->requestParams(),
-                $this->_req_action
-            )
-        );
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            $template_path,
-            $this->_template_args,
-            true
-        );
-        // the final template wrapper
-        if ($sidebar) {
-            $this->display_admin_page_with_sidebar();
-        } else {
-            $this->display_admin_page_with_no_sidebar();
-        }
-    }
-
-
-    /**
-     * This just prepares a legend using the given items and the admin_details_legend.template.php file and returns the
-     * html string for the legend.
-     * $items are expected in an array in the following format:
-     * $legend_items = array(
-     *        'item_id' => array(
-     *            'icon' => 'http://url_to_icon_being_described.png',
-     *            'desc' => esc_html__('localized description of item');
-     *        )
-     * );
-     *
-     * @param array $items see above for format of array
-     * @return string html string of legend
-     * @throws DomainException
-     */
-    protected function _display_legend($items)
-    {
-        $this->_template_args['items'] = apply_filters(
-            'FHEE__EE_Admin_Page___display_legend__items',
-            (array) $items,
-            $this
-        );
-        return EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'admin_details_legend.template.php',
-            $this->_template_args,
-            true
-        );
-    }
-
-
-    /**
-     * This is used whenever we're DOING_AJAX to return a formatted json array that our calling javascript can expect
-     * The returned json object is created from an array in the following format:
-     * array(
-     *  'error' => FALSE, //(default FALSE), contains any errors and/or exceptions (exceptions return json early),
-     *  'success' => FALSE, //(default FALSE) - contains any special success message.
-     *  'notices' => '', // - contains any EE_Error formatted notices
-     *  'content' => 'string can be html', //this is a string of formatted content (can be html)
-     *  'data' => array() //this can be any key/value pairs that a method returns for later json parsing by the js.
-     *  We're also going to include the template args with every package (so js can pick out any specific template args
-     *  that might be included in here)
-     * )
-     * The json object is populated by whatever is set in the $_template_args property.
-     *
-     * @param bool  $sticky_notices    Used to indicate whether you want to ensure notices are added to a transient
-     *                                 instead of displayed.
-     * @param array $notices_arguments Use this to pass any additional args on to the _process_notices.
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _return_json($sticky_notices = false, $notices_arguments = [])
-    {
-        // make sure any EE_Error notices have been handled.
-        $this->_process_notices($notices_arguments, true, $sticky_notices);
-        $data = isset($this->_template_args['data']) ? $this->_template_args['data'] : [];
-        unset($this->_template_args['data']);
-        $json = [
-            'error'     => isset($this->_template_args['error']) ? $this->_template_args['error'] : false,
-            'success'   => isset($this->_template_args['success']) ? $this->_template_args['success'] : false,
-            'errors'    => isset($this->_template_args['errors']) ? $this->_template_args['errors'] : false,
-            'attention' => isset($this->_template_args['attention']) ? $this->_template_args['attention'] : false,
-            'notices'   => EE_Error::get_notices(),
-            'content'   => isset($this->_template_args['admin_page_content'])
-                ? $this->_template_args['admin_page_content'] : '',
-            'data'      => array_merge($data, ['template_args' => $this->_template_args]),
-            'isEEajax'  => true
-            // special flag so any ajax.Success methods in js can identify this return package as a EEajax package.
-        ];
-        // make sure there are no php errors or headers_sent.  Then we can set correct json header.
-        if (null === error_get_last() || ! headers_sent()) {
-            header('Content-Type: application/json; charset=UTF-8');
-        }
-        echo wp_json_encode($json);
-        exit();
-    }
-
-
-    /**
-     * Simply a wrapper for the protected method so we can call this outside the class (ONLY when doing ajax)
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function return_json()
-    {
-        if ($this->request->isAjax()) {
-            $this->_return_json();
-        } else {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__('The public %s method can only be called when DOING_AJAX = TRUE', 'event_espresso'),
-                    __FUNCTION__
-                )
-            );
-        }
-    }
-
-
-    /**
-     * This provides a way for child hook classes to send along themselves by reference so methods/properties within
-     * them can be accessed by EE_Admin_child pages. This is assigned to the $_hook_obj property.
-     *
-     * @param EE_Admin_Hooks $hook_obj This will be the object for the EE_Admin_Hooks child
-     */
-    public function set_hook_object(EE_Admin_Hooks $hook_obj)
-    {
-        $this->_hook_obj = $hook_obj;
-    }
-
-
-    /**
-     *        generates  HTML wrapper with Tabbed nav for an admin page
-     *
-     * @param boolean $about whether to use the special about page wrapper or default.
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    public function admin_page_wrapper($about = false)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $this->_nav_tabs                                   = $this->_get_main_nav_tabs();
-        $this->_template_args['nav_tabs']                  = $this->_nav_tabs;
-        $this->_template_args['admin_page_title']          = $this->_admin_page_title;
-        $this->_template_args['before_admin_page_content'] = apply_filters(
-            "FHEE_before_admin_page_content{$this->_current_page}{$this->_current_view}",
-            isset($this->_template_args['before_admin_page_content'])
-                ? $this->_template_args['before_admin_page_content']
-                : ''
-        );
-        $this->_template_args['after_admin_page_content']  = apply_filters(
-            "FHEE_after_admin_page_content{$this->_current_page}{$this->_current_view}",
-            isset($this->_template_args['after_admin_page_content'])
-                ? $this->_template_args['after_admin_page_content']
-                : ''
-        );
-        $this->_template_args['after_admin_page_content']  .= $this->_set_help_popup_content();
-        // load settings page wrapper template
-        $template_path = ! $this->request->isAjax()
-            ? EE_ADMIN_TEMPLATE . 'admin_wrapper.template.php'
-            : EE_ADMIN_TEMPLATE . 'admin_wrapper_ajax.template.php';
-        // about page?
-        $template_path = $about
-            ? EE_ADMIN_TEMPLATE . 'about_admin_wrapper.template.php'
-            : $template_path;
-        if ($this->request->isAjax()) {
-            $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-                $template_path,
-                $this->_template_args,
-                true
-            );
-            $this->_return_json();
-        } else {
-            EEH_Template::display_template($template_path, $this->_template_args);
-        }
-    }
-
-
-    /**
-     * This returns the admin_nav tabs html using the configuration in the _nav_tabs property
-     *
-     * @return string html
-     * @throws EE_Error
-     */
-    protected function _get_main_nav_tabs()
-    {
-        // let's generate the html using the EEH_Tabbed_Content helper.
-        // We do this here so that it's possible for child classes to add in nav tabs dynamically at the last minute
-        // (rather than setting in the page_routes array)
-        return EEH_Tabbed_Content::display_admin_nav_tabs($this->_nav_tabs);
-    }
-
-
-    /**
-     *        sort nav tabs
-     *
-     * @param $a
-     * @param $b
-     * @return int
-     */
-    private function _sort_nav_tabs($a, $b)
-    {
-        if ($a['order'] === $b['order']) {
-            return 0;
-        }
-        return ($a['order'] < $b['order']) ? -1 : 1;
-    }
-
-
-    /**
-     *    generates HTML for the forms used on admin pages
-     *
-     * @param array  $input_vars   - array of input field details
-     * @param string $generator    (options are 'string' or 'array', basically use this to indicate which generator to
-     *                             use)
-     * @param bool   $id
-     * @return string
-     * @uses   EEH_Form_Fields::get_form_fields (/helper/EEH_Form_Fields.helper.php)
-     * @uses   EEH_Form_Fields::get_form_fields_array (/helper/EEH_Form_Fields.helper.php)
-     */
-    protected function _generate_admin_form_fields($input_vars = [], $generator = 'string', $id = false)
-    {
-        return $generator === 'string'
-            ? EEH_Form_Fields::get_form_fields($input_vars, $id)
-            : EEH_Form_Fields::get_form_fields_array($input_vars);
-    }
-
-
-    /**
-     * generates the "Save" and "Save & Close" buttons for edit forms
-     *
-     * @param bool             $both     if true then both buttons will be generated.  If false then just the "Save &
-     *                                   Close" button.
-     * @param array            $text     if included, generator will use the given text for the buttons ( array([0] =>
-     *                                   'Save', [1] => 'save & close')
-     * @param array            $actions  if included allows us to set the actions that each button will carry out (i.e.
-     *                                   via the "name" value in the button).  We can also use this to just dump
-     *                                   default actions by submitting some other value.
-     * @param bool|string|null $referrer if false then we just do the default action on save and close.  Other wise it
-     *                                   will use the $referrer string. IF null, then we don't do ANYTHING on save and
-     *                                   close (normal form handling).
-     */
-    protected function _set_save_buttons($both = true, $text = [], $actions = [], $referrer = null)
-    {
-        // make sure $text and $actions are in an array
-        $text          = (array) $text;
-        $actions       = (array) $actions;
-        $referrer_url  = empty($referrer)
-            ? '<input type="hidden" id="save_and_close_referrer" name="save_and_close_referrer" value="'
-              . $this->request->getServerParam('REQUEST_URI')
-              . '" />'
-            : '<input type="hidden" id="save_and_close_referrer" name="save_and_close_referrer" value="'
-              . $referrer
-              . '" />';
-        $button_text   = ! empty($text)
-            ? $text
-            : [
-                esc_html__('Save', 'event_espresso'),
-                esc_html__('Save and Close', 'event_espresso'),
-            ];
-        $default_names = ['save', 'save_and_close'];
-        // add in a hidden index for the current page (so save and close redirects properly)
-        $this->_template_args['save_buttons'] = $referrer_url;
-        foreach ($button_text as $key => $button) {
-            $ref                                  = $default_names[ $key ];
-            $this->_template_args['save_buttons'] .= '<input type="submit" class="button-primary '
-                                                     . $ref
-                                                     . '" value="'
-                                                     . $button
-                                                     . '" name="'
-                                                     . (! empty($actions) ? $actions[ $key ] : $ref)
-                                                     . '" id="'
-                                                     . $this->_current_view . '_' . $ref
-                                                     . '" />';
-            if (! $both) {
-                break;
-            }
-        }
-    }
-
-
-    /**
-     * Wrapper for the protected function.  Allows plugins/addons to call this to set the form tags.
-     *
-     * @param string $route
-     * @param array  $additional_hidden_fields
-     * @see   $this->_set_add_edit_form_tags() for details on params
-     * @since 4.6.0
-     */
-    public function set_add_edit_form_tags($route = '', $additional_hidden_fields = [])
-    {
-        $this->_set_add_edit_form_tags($route, $additional_hidden_fields);
-    }
-
-
-    /**
-     * set form open and close tags on add/edit pages.
-     *
-     * @param string $route                    the route you want the form to direct to
-     * @param array  $additional_hidden_fields any additional hidden fields required in the form header
-     * @return void
-     */
-    protected function _set_add_edit_form_tags($route = '', $additional_hidden_fields = [])
-    {
-        if (empty($route)) {
-            $user_msg = esc_html__(
-                'An error occurred. No action was set for this page\'s form.',
-                'event_espresso'
-            );
-            $dev_msg  = $user_msg . "\n"
-                        . sprintf(
-                            esc_html__('The $route argument is required for the %s->%s method.', 'event_espresso'),
-                            __FUNCTION__,
-                            __CLASS__
-                        );
-            EE_Error::add_error($user_msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
-        }
-        // open form
-        $this->_template_args['before_admin_page_content'] = '<form name="form" method="post" action="'
-                                                             . $this->_admin_base_url
-                                                             . '" id="'
-                                                             . $route
-                                                             . '_event_form" >';
-        // add nonce
-        $nonce                                             =
-            wp_nonce_field($route . '_nonce', $route . '_nonce', false, false);
-        $this->_template_args['before_admin_page_content'] .= "\n\t" . $nonce;
-        // add REQUIRED form action
-        $hidden_fields = [
-            'action' => ['type' => 'hidden', 'value' => $route],
-        ];
-        // merge arrays
-        $hidden_fields = is_array($additional_hidden_fields)
-            ? array_merge($hidden_fields, $additional_hidden_fields)
-            : $hidden_fields;
-        // generate form fields
-        $form_fields = $this->_generate_admin_form_fields($hidden_fields, 'array');
-        // add fields to form
-        foreach ((array) $form_fields as $field_name => $form_field) {
-            $this->_template_args['before_admin_page_content'] .= "\n\t" . $form_field['field'];
-        }
-        // close form
-        $this->_template_args['after_admin_page_content'] = '</form>';
-    }
-
-
-    /**
-     * Public Wrapper for _redirect_after_action() method since its
-     * discovered it would be useful for external code to have access.
-     *
-     * @param bool   $success
-     * @param string $what
-     * @param string $action_desc
-     * @param array  $query_args
-     * @param bool   $override_overwrite
-     * @throws EE_Error
-     * @see   EE_Admin_Page::_redirect_after_action() for params.
-     * @since 4.5.0
-     */
-    public function redirect_after_action(
-        $success = false,
-        $what = 'item',
-        $action_desc = 'processed',
-        $query_args = [],
-        $override_overwrite = false
-    ) {
-        $this->_redirect_after_action(
-            $success,
-            $what,
-            $action_desc,
-            $query_args,
-            $override_overwrite
-        );
-    }
-
-
-    /**
-     * Helper method for merging existing request data with the returned redirect url.
-     *
-     * This is typically used for redirects after an action so that if the original view was a filtered view those
-     * filters are still applied.
-     *
-     * @param array $new_route_data
-     * @return array
-     */
-    protected function mergeExistingRequestParamsWithRedirectArgs(array $new_route_data)
-    {
-        foreach ($this->request->requestParams() as $ref => $value) {
-            // unset nonces
-            if (strpos($ref, 'nonce') !== false) {
-                $this->request->unSetRequestParam($ref);
-                continue;
-            }
-            // urlencode values.
-            $value = is_array($value) ? array_map('urlencode', $value) : urlencode($value);
-            $this->request->setRequestParam($ref, $value);
-        }
-        return array_merge($this->request->requestParams(), $new_route_data);
-    }
-
-
-    /**
-     *    _redirect_after_action
-     *
-     * @param int    $success            - whether success was for two or more records, or just one, or none
-     * @param string $what               - what the action was performed on
-     * @param string $action_desc        - what was done ie: updated, deleted, etc
-     * @param array  $query_args         - an array of query_args to be added to the URL to redirect to after the admin
-     *                                   action is completed
-     * @param BOOL   $override_overwrite by default all EE_Error::success messages are overwritten, this allows you to
-     *                                   override this so that they show.
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _redirect_after_action(
-        $success = 0,
-        $what = 'item',
-        $action_desc = 'processed',
-        $query_args = [],
-        $override_overwrite = false
-    ) {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        // class name for actions/filters.
-        $classname = get_class($this);
-        // set redirect url.
-        // Note if there is a "page" index in the $query_args then we go with vanilla admin.php route,
-        // otherwise we go with whatever is set as the _admin_base_url
-        $redirect_url = isset($query_args['page']) ? admin_url('admin.php') : $this->_admin_base_url;
-        $notices      = EE_Error::get_notices(false);
-        // overwrite default success messages //BUT ONLY if overwrite not overridden
-        if (! $override_overwrite || ! empty($notices['errors'])) {
-            EE_Error::overwrite_success();
-        }
-        if (! empty($what) && ! empty($action_desc) && empty($notices['errors'])) {
-            // how many records affected ? more than one record ? or just one ?
-            if ($success > 1) {
-                // set plural msg
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__('The "%s" have been successfully %s.', 'event_espresso'),
-                        $what,
-                        $action_desc
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            } elseif ($success === 1) {
-                // set singular msg
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__('The "%s" has been successfully %s.', 'event_espresso'),
-                        $what,
-                        $action_desc
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-        }
-        // check that $query_args isn't something crazy
-        if (! is_array($query_args)) {
-            $query_args = [];
-        }
-        /**
-         * Allow injecting actions before the query_args are modified for possible different
-         * redirections on save and close actions
-         *
-         * @param array $query_args       The original query_args array coming into the
-         *                                method.
-         * @since 4.2.0
-         */
-        do_action(
-            "AHEE__{$classname}___redirect_after_action__before_redirect_modification_{$this->_req_action}",
-            $query_args
-        );
-        // calculate where we're going (if we have a "save and close" button pushed)
-
-        if (
-            $this->request->requestParamIsSet('save_and_close')
-            && $this->request->requestParamIsSet('save_and_close_referrer')
-        ) {
-            // even though we have the save_and_close referrer, we need to parse the url for the action in order to generate a nonce
-            $parsed_url = parse_url($this->request->getRequestParam('save_and_close_referrer', '', 'url'));
-            // regenerate query args array from referrer URL
-            parse_str($parsed_url['query'], $query_args);
-            // correct page and action will be in the query args now
-            $redirect_url = admin_url('admin.php');
-        }
-        // merge any default query_args set in _default_route_query_args property
-        if (! empty($this->_default_route_query_args) && ! $this->_is_UI_request) {
-            $args_to_merge = [];
-            foreach ($this->_default_route_query_args as $query_param => $query_value) {
-                // is there a wp_referer array in our _default_route_query_args property?
-                if ($query_param === 'wp_referer') {
-                    $query_value = (array) $query_value;
-                    foreach ($query_value as $reference => $value) {
-                        if (strpos($reference, 'nonce') !== false) {
-                            continue;
-                        }
-                        // finally we will override any arguments in the referer with
-                        // what might be set on the _default_route_query_args array.
-                        if (isset($this->_default_route_query_args[ $reference ])) {
-                            $args_to_merge[ $reference ] = urlencode($this->_default_route_query_args[ $reference ]);
-                        } else {
-                            $args_to_merge[ $reference ] = urlencode($value);
-                        }
-                    }
-                    continue;
-                }
-                $args_to_merge[ $query_param ] = $query_value;
-            }
-            // now let's merge these arguments but override with what was specifically sent in to the
-            // redirect.
-            $query_args = array_merge($args_to_merge, $query_args);
-        }
-        $this->_process_notices($query_args);
-        // generate redirect url
-        // if redirecting to anything other than the main page, add a nonce
-        if (isset($query_args['action'])) {
-            // manually generate wp_nonce and merge that with the query vars
-            // becuz the wp_nonce_url function wrecks havoc on some vars
-            $query_args['_wpnonce'] = wp_create_nonce($query_args['action'] . '_nonce');
-        }
-        // we're adding some hooks and filters in here for processing any things just before redirects
-        // (example: an admin page has done an insert or update and we want to run something after that).
-        do_action('AHEE_redirect_' . $classname . $this->_req_action, $query_args);
-        $redirect_url = apply_filters(
-            'FHEE_redirect_' . $classname . $this->_req_action,
-            self::add_query_args_and_nonce($query_args, $redirect_url),
-            $query_args
-        );
-        // check if we're doing ajax.  If we are then lets just return the results and js can handle how it wants.
-        if ($this->request->isAjax()) {
-            $default_data                    = [
-                'close'        => true,
-                'redirect_url' => $redirect_url,
-                'where'        => 'main',
-                'what'         => 'append',
-            ];
-            $this->_template_args['success'] = $success;
-            $this->_template_args['data']    = ! empty($this->_template_args['data']) ? array_merge(
-                $default_data,
-                $this->_template_args['data']
-            ) : $default_data;
-            $this->_return_json();
-        }
-        wp_safe_redirect($redirect_url);
-        exit();
-    }
-
-
-    /**
-     * process any notices before redirecting (or returning ajax request)
-     * This method sets the $this->_template_args['notices'] attribute;
-     *
-     * @param array $query_args         any query args that need to be used for notice transient ('action')
-     * @param bool  $skip_route_verify  This is typically used when we are processing notices REALLY early and
-     *                                  page_routes haven't been defined yet.
-     * @param bool  $sticky_notices     This is used to flag that regardless of whether this is doing_ajax or not, we
-     *                                  still save a transient for the notice.
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _process_notices($query_args = [], $skip_route_verify = false, $sticky_notices = true)
-    {
-        // first let's set individual error properties if doing_ajax and the properties aren't already set.
-        if ($this->request->isAjax()) {
-            $notices = EE_Error::get_notices(false);
-            if (empty($this->_template_args['success'])) {
-                $this->_template_args['success'] = isset($notices['success']) ? $notices['success'] : false;
-            }
-            if (empty($this->_template_args['errors'])) {
-                $this->_template_args['errors'] = isset($notices['errors']) ? $notices['errors'] : false;
-            }
-            if (empty($this->_template_args['attention'])) {
-                $this->_template_args['attention'] = isset($notices['attention']) ? $notices['attention'] : false;
-            }
-        }
-        $this->_template_args['notices'] = EE_Error::get_notices();
-        // IF this isn't ajax we need to create a transient for the notices using the route (however, overridden if $sticky_notices == true)
-        if (! $this->request->isAjax() || $sticky_notices) {
-            $route = isset($query_args['action']) ? $query_args['action'] : 'default';
-            $this->_add_transient(
-                $route,
-                $this->_template_args['notices'],
-                true,
-                $skip_route_verify
-            );
-        }
-    }
-
-
-    /**
-     * get_action_link_or_button
-     * returns the button html for adding, editing, or deleting an item (depending on given type)
-     *
-     * @param string $action        use this to indicate which action the url is generated with.
-     * @param string $type          accepted strings must be defined in the $_labels['button'] array(as the key)
-     *                              property.
-     * @param array  $extra_request if the button requires extra params you can include them in $key=>$value pairs.
-     * @param string $class         Use this to give the class for the button. Defaults to 'button-primary'
-     * @param string $base_url      If this is not provided
-     *                              the _admin_base_url will be used as the default for the button base_url.
-     *                              Otherwise this value will be used.
-     * @param bool   $exclude_nonce If true then no nonce will be in the generated button link.
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws EE_Error
-     */
-    public function get_action_link_or_button(
-        $action,
-        $type = 'add',
-        $extra_request = [],
-        $class = 'button-primary',
-        $base_url = '',
-        $exclude_nonce = false
-    ) {
-        // first let's validate the action (if $base_url is FALSE otherwise validation will happen further along)
-        if (empty($base_url) && ! isset($this->_page_routes[ $action ])) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'There is no page route for given action for the button.  This action was given: %s',
-                        'event_espresso'
-                    ),
-                    $action
-                )
-            );
-        }
-        if (! isset($this->_labels['buttons'][ $type ])) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'There is no label for the given button type (%s). Labels are set in the <code>_page_config</code> property.',
-                        'event_espresso'
-                    ),
-                    $type
-                )
-            );
-        }
-        // finally check user access for this button.
-        $has_access = $this->check_user_access($action, true);
-        if (! $has_access) {
-            return '';
-        }
-        $_base_url  = ! $base_url ? $this->_admin_base_url : $base_url;
-        $query_args = [
-            'action' => $action,
-        ];
-        // merge extra_request args but make sure our original action takes precedence and doesn't get overwritten.
-        if (! empty($extra_request)) {
-            $query_args = array_merge($extra_request, $query_args);
-        }
-        $url = self::add_query_args_and_nonce($query_args, $_base_url, false, $exclude_nonce);
-        return EEH_Template::get_button_or_link($url, $this->_labels['buttons'][ $type ], $class);
-    }
-
-
-    /**
-     * _per_page_screen_option
-     * Utility function for adding in a per_page_option in the screen_options_dropdown.
-     *
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    protected function _per_page_screen_option()
-    {
-        $option = 'per_page';
-        $args   = [
-            'label'   => apply_filters(
-                'FHEE__EE_Admin_Page___per_page_screen_options___label',
-                $this->_admin_page_title,
-                $this
-            ),
-            'default' => (int) apply_filters(
-                'FHEE__EE_Admin_Page___per_page_screen_options__default',
-                20
-            ),
-            'option'  => $this->_current_page . '_' . $this->_current_view . '_per_page',
-        ];
-        // ONLY add the screen option if the user has access to it.
-        if ($this->check_user_access($this->_current_view, true)) {
-            add_screen_option($option, $args);
-        }
-    }
-
-
-    /**
-     * set_per_page_screen_option
-     * All this does is make sure that WordPress saves any per_page screen options (if set) for the current page.
-     * we have to do this rather than running inside the 'set-screen-options' hook because it runs earlier than
-     * admin_menu.
-     *
-     * @return void
-     */
-    private function _set_per_page_screen_options()
-    {
-        if ($this->request->requestParamIsSet('wp_screen_options')) {
-            check_admin_referer('screen-options-nonce', 'screenoptionnonce');
-            if (! $user = wp_get_current_user()) {
-                return;
-            }
-            $option = $this->request->getRequestParam('wp_screen_options[option]', '', 'key');
-            if (! $option) {
-                return;
-            }
-            $value  = $this->request->getRequestParam('wp_screen_options[value]', 0, 'int');
-            $map_option = $option;
-            $option     = str_replace('-', '_', $option);
-            switch ($map_option) {
-                case $this->_current_page . '_' . $this->_current_view . '_per_page':
-                    $max_value = apply_filters(
-                        'FHEE__EE_Admin_Page___set_per_page_screen_options__max_value',
-                        999,
-                        $this->_current_page,
-                        $this->_current_view
-                    );
-                    if ($value < 1) {
-                        return;
-                    }
-                    $value = min($value, $max_value);
-                    break;
-                default:
-                    $value = apply_filters(
-                        'FHEE__EE_Admin_Page___set_per_page_screen_options__value',
-                        false,
-                        $option,
-                        $value
-                    );
-                    if (false === $value) {
-                        return;
-                    }
-                    break;
-            }
-            update_user_meta($user->ID, $option, $value);
-            wp_safe_redirect(remove_query_arg(['pagenum', 'apage', 'paged'], wp_get_referer()));
-            exit;
-        }
-    }
-
-
-    /**
-     * This just allows for setting the $_template_args property if it needs to be set outside the object
-     *
-     * @param array $data array that will be assigned to template args.
-     */
-    public function set_template_args($data)
-    {
-        $this->_template_args = array_merge($this->_template_args, (array) $data);
-    }
-
-
-    /**
-     * This makes available the WP transient system for temporarily moving data between routes
-     *
-     * @param string $route             the route that should receive the transient
-     * @param array  $data              the data that gets sent
-     * @param bool   $notices           If this is for notices then we use this to indicate so, otherwise its just a
-     *                                  normal route transient.
-     * @param bool   $skip_route_verify Used to indicate we want to skip route verification.  This is usually ONLY used
-     *                                  when we are adding a transient before page_routes have been defined.
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _add_transient($route, $data, $notices = false, $skip_route_verify = false)
-    {
-        $user_id = get_current_user_id();
-        if (! $skip_route_verify) {
-            $this->_verify_route($route);
-        }
-        // now let's set the string for what kind of transient we're setting
-        $transient = $notices
-            ? 'ee_rte_n_tx_' . $route . '_' . $user_id
-            : 'rte_tx_' . $route . '_' . $user_id;
-        $data      = $notices ? ['notices' => $data] : $data;
-        // is there already a transient for this route?  If there is then let's ADD to that transient
-        $existing = is_multisite() && is_network_admin()
-            ? get_site_transient($transient)
-            : get_transient($transient);
-        if ($existing) {
-            $data = array_merge((array) $data, (array) $existing);
-        }
-        if (is_multisite() && is_network_admin()) {
-            set_site_transient($transient, $data, 8);
-        } else {
-            set_transient($transient, $data, 8);
-        }
-    }
-
-
-    /**
-     * this retrieves the temporary transient that has been set for moving data between routes.
-     *
-     * @param bool   $notices true we get notices transient. False we just return normal route transient
-     * @param string $route
-     * @return mixed data
-     */
-    protected function _get_transient($notices = false, $route = '')
-    {
-        $user_id   = get_current_user_id();
-        $route     = ! $route ? $this->_req_action : $route;
-        $transient = $notices
-            ? 'ee_rte_n_tx_' . $route . '_' . $user_id
-            : 'rte_tx_' . $route . '_' . $user_id;
-        $data      = is_multisite() && is_network_admin()
-            ? get_site_transient($transient)
-            : get_transient($transient);
-        // delete transient after retrieval (just in case it hasn't expired);
-        if (is_multisite() && is_network_admin()) {
-            delete_site_transient($transient);
-        } else {
-            delete_transient($transient);
-        }
-        return $notices && isset($data['notices']) ? $data['notices'] : $data;
-    }
-
-
-    /**
-     * The purpose of this method is just to run garbage collection on any EE transients that might have expired but
-     * would not be called later. This will be assigned to run on a specific EE Admin page. (place the method in the
-     * default route callback on the EE_Admin page you want it run.)
-     *
-     * @return void
-     */
-    protected function _transient_garbage_collection()
-    {
-        global $wpdb;
-        // retrieve all existing transients
-        $query =
-            "SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE '%rte_tx_%' OR option_name LIKE '%rte_n_tx_%'";
-        if ($results = $wpdb->get_results($query)) {
-            foreach ($results as $result) {
-                $transient = str_replace('_transient_', '', $result->option_name);
-                get_transient($transient);
-                if (is_multisite() && is_network_admin()) {
-                    get_site_transient($transient);
-                }
-            }
-        }
-    }
-
-
-    /**
-     * get_view
-     *
-     * @return string content of _view property
-     */
-    public function get_view()
-    {
-        return $this->_view;
-    }
-
-
-    /**
-     * getter for the protected $_views property
-     *
-     * @return array
-     */
-    public function get_views()
-    {
-        return $this->_views;
-    }
-
-
-    /**
-     * get_current_page
-     *
-     * @return string _current_page property value
-     */
-    public function get_current_page()
-    {
-        return $this->_current_page;
-    }
-
-
-    /**
-     * get_current_view
-     *
-     * @return string _current_view property value
-     */
-    public function get_current_view()
-    {
-        return $this->_current_view;
-    }
-
-
-    /**
-     * get_current_screen
-     *
-     * @return object The current WP_Screen object
-     */
-    public function get_current_screen()
-    {
-        return $this->_current_screen;
-    }
-
-
-    /**
-     * get_current_page_view_url
-     *
-     * @return string This returns the url for the current_page_view.
-     */
-    public function get_current_page_view_url()
-    {
-        return $this->_current_page_view_url;
-    }
-
-
-    /**
-     * just returns the Request
-     *
-     * @return RequestInterface
-     */
-    public function get_request()
-    {
-        return $this->request;
-    }
-
-
-    /**
-     * just returns the _req_data property
-     *
-     * @return array
-     */
-    public function get_request_data()
-    {
-        return $this->request->requestParams();
-    }
-
-
-    /**
-     * returns the _req_data protected property
-     *
-     * @return string
-     */
-    public function get_req_action()
-    {
-        return $this->_req_action;
-    }
-
-
-    /**
-     * @return bool  value of $_is_caf property
-     */
-    public function is_caf()
-    {
-        return $this->_is_caf;
-    }
-
-
-    /**
-     * @return mixed
-     */
-    public function default_espresso_metaboxes()
-    {
-        return $this->_default_espresso_metaboxes;
-    }
-
-
-    /**
-     * @return mixed
-     */
-    public function admin_base_url()
-    {
-        return $this->_admin_base_url;
-    }
-
-
-    /**
-     * @return mixed
-     */
-    public function wp_page_slug()
-    {
-        return $this->_wp_page_slug;
-    }
-
-
-    /**
-     * updates  espresso configuration settings
-     *
-     * @param string                   $tab
-     * @param EE_Config_Base|EE_Config $config
-     * @param string                   $file file where error occurred
-     * @param string                   $func function  where error occurred
-     * @param string                   $line line no where error occurred
-     * @return boolean
-     */
-    protected function _update_espresso_configuration($tab, $config, $file = '', $func = '', $line = '')
-    {
-        // remove any options that are NOT going to be saved with the config settings.
-        if (isset($config->core->ee_ueip_optin)) {
-            // TODO: remove the following two lines and make sure values are migrated from 3.1
-            update_option('ee_ueip_optin', $config->core->ee_ueip_optin);
-            update_option('ee_ueip_has_notified', true);
-        }
-        // and save it (note we're also doing the network save here)
-        $net_saved    = is_main_site() ? EE_Network_Config::instance()->update_config(false, false) : true;
-        $config_saved = EE_Config::instance()->update_espresso_config(false, false);
-        if ($config_saved && $net_saved) {
-            EE_Error::add_success(sprintf(esc_html__('"%s" have been successfully updated.', 'event_espresso'), $tab));
-            return true;
-        }
-        EE_Error::add_error(sprintf(esc_html__('The "%s" were not updated.', 'event_espresso'), $tab), $file, $func, $line);
-        return false;
-    }
-
-
-    /**
-     * Returns an array to be used for EE_FOrm_Fields.helper.php's select_input as the $values argument.
-     *
-     * @return array
-     */
-    public function get_yes_no_values()
-    {
-        return $this->_yes_no_values;
-    }
-
-
-    protected function _get_dir()
-    {
-        $reflector = new ReflectionClass(get_class($this));
-        return dirname($reflector->getFileName());
-    }
-
-
-    /**
-     * A helper for getting a "next link".
-     *
-     * @param string $url   The url to link to
-     * @param string $class The class to use.
-     * @return string
-     */
-    protected function _next_link($url, $class = 'dashicons dashicons-arrow-right')
-    {
-        return '<a class="' . $class . '" href="' . $url . '"></a>';
-    }
-
-
-    /**
-     * A helper for getting a "previous link".
-     *
-     * @param string $url   The url to link to
-     * @param string $class The class to use.
-     * @return string
-     */
-    protected function _previous_link($url, $class = 'dashicons dashicons-arrow-left')
-    {
-        return '<a class="' . $class . '" href="' . $url . '"></a>';
-    }
-
-
-
-
-
-
-
-    // below are some messages related methods that should be available across the EE_Admin system.  Note, these methods are NOT page specific
-
-
-    /**
-     * This processes an request to resend a registration and assumes we have a _REG_ID for doing so. So if the caller
-     * knows that the _REG_ID isn't in the req_data array but CAN obtain it, the caller should ADD the _REG_ID to the
-     * _req_data array.
-     *
-     * @return bool success/fail
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _process_resend_registration()
-    {
-        $this->_template_args['success'] = EED_Messages::process_resend($this->request->requestParams());
-        do_action(
-            'AHEE__EE_Admin_Page___process_resend_registration',
-            $this->_template_args['success'],
-            $this->request->requestParams()
-        );
-        return $this->_template_args['success'];
-    }
-
-
-    /**
-     * This automatically processes any payment message notifications when manual payment has been applied.
-     *
-     * @param EE_Payment $payment
-     * @return bool success/fail
-     */
-    protected function _process_payment_notification(EE_Payment $payment)
-    {
-        add_filter('FHEE__EE_Payment_Processor__process_registration_payments__display_notifications', '__return_true');
-        do_action('AHEE__EE_Admin_Page___process_admin_payment_notification', $payment);
-        $this->_template_args['success'] = apply_filters(
-            'FHEE__EE_Admin_Page___process_admin_payment_notification__success',
-            false,
-            $payment
-        );
-        return $this->_template_args['success'];
-    }
+	}
+
+
+	/**
+	 * facade for add_meta_box
+	 *
+	 * @param string  $action        where the metabox get's displayed
+	 * @param string  $title         Title of Metabox (output in metabox header)
+	 * @param string  $callback      If not empty and $create_fun is set to false then we'll use a custom callback
+	 *                               instead of the one created in here.
+	 * @param array   $callback_args an array of args supplied for the metabox
+	 * @param string  $column        what metabox column
+	 * @param string  $priority      give this metabox a priority (using accepted priorities for wp meta boxes)
+	 * @param boolean $create_func   default is true.  Basically we can say we don't WANT to have the runtime function
+	 *                               created but just set our own callback for wp's add_meta_box.
+	 * @throws DomainException
+	 */
+	public function _add_admin_page_meta_box(
+		$action,
+		$title,
+		$callback,
+		$callback_args,
+		$column = 'normal',
+		$priority = 'high',
+		$create_func = true
+	) {
+		do_action('AHEE_log', __FILE__, __FUNCTION__, $callback);
+		// if we have empty callback args and we want to automatically create the metabox callback then we need to make sure the callback args are generated.
+		if (empty($callback_args) && $create_func) {
+			$callback_args = [
+				'template_path' => $this->_template_path,
+				'template_args' => $this->_template_args,
+			];
+		}
+		// if $create_func is true (default) then we automatically create the function for displaying the actual meta box.  If false then we take the $callback reference passed through and use it instead (so callers can define their own callback function/method if they wish)
+		$call_back_func = $create_func
+			? function ($post, $metabox) {
+				do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+				echo EEH_Template::display_template(
+					$metabox['args']['template_path'],
+					$metabox['args']['template_args'],
+					true
+				);
+			}
+			: $callback;
+		add_meta_box(
+			str_replace('_', '-', $action) . '-mbox',
+			$title,
+			$call_back_func,
+			$this->_wp_page_slug,
+			$column,
+			$priority,
+			$callback_args
+		);
+	}
+
+
+	/**
+	 * generates HTML wrapper for and admin details page that contains metaboxes in columns
+	 *
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	public function display_admin_page_with_metabox_columns()
+	{
+		$this->_template_args['post_body_content']  = $this->_template_args['admin_page_content'];
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			$this->_column_template_path,
+			$this->_template_args,
+			true
+		);
+		// the final wrapper
+		$this->admin_page_wrapper();
+	}
+
+
+	/**
+	 * generates  HTML wrapper for an admin details page
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws DomainException
+	 */
+	public function display_admin_page_with_sidebar()
+	{
+		$this->_display_admin_page(true);
+	}
+
+
+	/**
+	 * generates  HTML wrapper for an admin details page (except no sidebar)
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws DomainException
+	 */
+	public function display_admin_page_with_no_sidebar()
+	{
+		$this->_display_admin_page();
+	}
+
+
+	/**
+	 * generates HTML wrapper for an EE about admin page (no sidebar)
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws DomainException
+	 */
+	public function display_about_admin_page()
+	{
+		$this->_display_admin_page(false, true);
+	}
+
+
+	/**
+	 * display_admin_page
+	 * contains the code for actually displaying an admin page
+	 *
+	 * @param boolean $sidebar true with sidebar, false without
+	 * @param boolean $about   use the about_admin_wrapper instead of the default.
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	private function _display_admin_page($sidebar = false, $about = false)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		// custom remove metaboxes hook to add or remove any metaboxes to/from Admin pages.
+		do_action('AHEE__EE_Admin_Page___display_admin_page__modify_metaboxes');
+		// set current wp page slug - looks like: event-espresso_page_event_categories
+		// keep in mind "event-espresso" COULD be something else if the top level menu label has been translated.
+		$this->_template_args['current_page']              = $this->_wp_page_slug;
+		$this->_template_args['admin_page_wrapper_div_id'] = $this->_cpt_route
+			? 'poststuff'
+			: 'espresso-default-admin';
+		$template_path                                     = $sidebar
+			? EE_ADMIN_TEMPLATE . 'admin_details_wrapper.template.php'
+			: EE_ADMIN_TEMPLATE . 'admin_details_wrapper_no_sidebar.template.php';
+		if ($this->request->isAjax()) {
+			$template_path = EE_ADMIN_TEMPLATE . 'admin_details_wrapper_no_sidebar_ajax.template.php';
+		}
+		$template_path                                     = ! empty($this->_column_template_path)
+			? $this->_column_template_path : $template_path;
+		$this->_template_args['post_body_content']         = isset($this->_template_args['admin_page_content'])
+			? $this->_template_args['admin_page_content']
+			: '';
+		$this->_template_args['before_admin_page_content'] = isset($this->_template_args['before_admin_page_content'])
+			? $this->_template_args['before_admin_page_content']
+			: '';
+		$this->_template_args['after_admin_page_content']  = isset($this->_template_args['after_admin_page_content'])
+			? $this->_template_args['after_admin_page_content']
+			: '';
+		$this->_template_args['admin_page_content']        = EEH_Template::display_template(
+			$template_path,
+			$this->_template_args,
+			true
+		);
+		// the final template wrapper
+		$this->admin_page_wrapper($about);
+	}
+
+
+	/**
+	 * This is used to display caf preview pages.
+	 *
+	 * @param string $utm_campaign_source what is the key used for google analytics link
+	 * @param bool   $display_sidebar     whether to use the sidebar template or the full template for the page.  TRUE
+	 *                                    = SHOW sidebar, FALSE = no sidebar. Default no sidebar.
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @since 4.3.2
+	 */
+	public function display_admin_caf_preview_page($utm_campaign_source = '', $display_sidebar = true)
+	{
+		// let's generate a default preview action button if there isn't one already present.
+		$this->_labels['buttons']['buy_now']           = esc_html__(
+			'Upgrade to Event Espresso 4 Right Now',
+			'event_espresso'
+		);
+		$buy_now_url                                   = add_query_arg(
+			[
+				'ee_ver'       => 'ee4',
+				'utm_source'   => 'ee4_plugin_admin',
+				'utm_medium'   => 'link',
+				'utm_campaign' => $utm_campaign_source,
+				'utm_content'  => 'buy_now_button',
+			],
+			'https://eventespresso.com/pricing/'
+		);
+		$this->_template_args['preview_action_button'] = ! isset($this->_template_args['preview_action_button'])
+			? $this->get_action_link_or_button(
+				'',
+				'buy_now',
+				[],
+				'button-primary button-large',
+				esc_url_raw($buy_now_url),
+				true
+			)
+			: $this->_template_args['preview_action_button'];
+		$this->_template_args['admin_page_content']    = EEH_Template::display_template(
+			EE_ADMIN_TEMPLATE . 'admin_caf_full_page_preview.template.php',
+			$this->_template_args,
+			true
+		);
+		$this->_display_admin_page($display_sidebar);
+	}
+
+
+	/**
+	 * display_admin_list_table_page_with_sidebar
+	 * generates HTML wrapper for an admin_page with list_table
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws DomainException
+	 */
+	public function display_admin_list_table_page_with_sidebar()
+	{
+		$this->_display_admin_list_table_page(true);
+	}
+
+
+	/**
+	 * display_admin_list_table_page_with_no_sidebar
+	 * generates HTML wrapper for an admin_page with list_table (but with no sidebar)
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws DomainException
+	 */
+	public function display_admin_list_table_page_with_no_sidebar()
+	{
+		$this->_display_admin_list_table_page();
+	}
+
+
+	/**
+	 * generates html wrapper for an admin_list_table page
+	 *
+	 * @param boolean $sidebar whether to display with sidebar or not.
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	private function _display_admin_list_table_page($sidebar = false)
+	{
+		// setup search attributes
+		$this->_set_search_attributes();
+		$this->_template_args['current_page']     = $this->_wp_page_slug;
+		$template_path                            = EE_ADMIN_TEMPLATE . 'admin_list_wrapper.template.php';
+		$this->_template_args['table_url']        = $this->request->isAjax()
+			? add_query_arg(['noheader' => 'true', 'route' => $this->_req_action], $this->_admin_base_url)
+			: add_query_arg(['route' => $this->_req_action], $this->_admin_base_url);
+		$this->_template_args['list_table']       = $this->_list_table_object;
+		$this->_template_args['current_route']    = $this->_req_action;
+		$this->_template_args['list_table_class'] = get_class($this->_list_table_object);
+		$ajax_sorting_callback                    = $this->_list_table_object->get_ajax_sorting_callback();
+		if (! empty($ajax_sorting_callback)) {
+			$sortable_list_table_form_fields = wp_nonce_field(
+				$ajax_sorting_callback . '_nonce',
+				$ajax_sorting_callback . '_nonce',
+				false,
+				false
+			);
+			$sortable_list_table_form_fields .= '<input type="hidden" id="ajax_table_sort_page" name="ajax_table_sort_page" value="'
+												. $this->page_slug
+												. '" />';
+			$sortable_list_table_form_fields .= '<input type="hidden" id="ajax_table_sort_action" name="ajax_table_sort_action" value="'
+												. $ajax_sorting_callback
+												. '" />';
+		} else {
+			$sortable_list_table_form_fields = '';
+		}
+		$this->_template_args['sortable_list_table_form_fields'] = $sortable_list_table_form_fields;
+		$hidden_form_fields                                      =
+			isset($this->_template_args['list_table_hidden_fields'])
+				? $this->_template_args['list_table_hidden_fields']
+				: '';
+		$nonce_ref                                               = $this->_req_action . '_nonce';
+		$hidden_form_fields                                      .= '<input type="hidden" name="'
+																	. $nonce_ref
+																	. '" value="'
+																	. wp_create_nonce($nonce_ref)
+																	. '">';
+		$this->_template_args['list_table_hidden_fields']        = $hidden_form_fields;
+		// display message about search results?
+		$search = $this->request->getRequestParam('s');
+		$this->_template_args['before_list_table'] .= ! empty($search)
+			? '<p class="ee-search-results">' . sprintf(
+				esc_html__('Displaying search results for the search string: %1$s', 'event_espresso'),
+				trim($search, '%')
+			) . '</p>'
+			: '';
+		// filter before_list_table template arg
+		$this->_template_args['before_list_table'] = apply_filters(
+			'FHEE__EE_Admin_Page___display_admin_list_table_page__before_list_table__template_arg',
+			$this->_template_args['before_list_table'],
+			$this->page_slug,
+			$this->request->requestParams(),
+			$this->_req_action
+		);
+		// convert to array and filter again
+		// arrays are easier to inject new items in a specific location,
+		// but would not be backwards compatible, so we have to add a new filter
+		$this->_template_args['before_list_table'] = implode(
+			" \n",
+			(array) apply_filters(
+				'FHEE__EE_Admin_Page___display_admin_list_table_page__before_list_table__template_args_array',
+				(array) $this->_template_args['before_list_table'],
+				$this->page_slug,
+				$this->request->requestParams(),
+				$this->_req_action
+			)
+		);
+		// filter after_list_table template arg
+		$this->_template_args['after_list_table'] = apply_filters(
+			'FHEE__EE_Admin_Page___display_admin_list_table_page__after_list_table__template_arg',
+			$this->_template_args['after_list_table'],
+			$this->page_slug,
+			$this->request->requestParams(),
+			$this->_req_action
+		);
+		// convert to array and filter again
+		// arrays are easier to inject new items in a specific location,
+		// but would not be backwards compatible, so we have to add a new filter
+		$this->_template_args['after_list_table']   = implode(
+			" \n",
+			(array) apply_filters(
+				'FHEE__EE_Admin_Page___display_admin_list_table_page__after_list_table__template_args_array',
+				(array) $this->_template_args['after_list_table'],
+				$this->page_slug,
+				$this->request->requestParams(),
+				$this->_req_action
+			)
+		);
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			$template_path,
+			$this->_template_args,
+			true
+		);
+		// the final template wrapper
+		if ($sidebar) {
+			$this->display_admin_page_with_sidebar();
+		} else {
+			$this->display_admin_page_with_no_sidebar();
+		}
+	}
+
+
+	/**
+	 * This just prepares a legend using the given items and the admin_details_legend.template.php file and returns the
+	 * html string for the legend.
+	 * $items are expected in an array in the following format:
+	 * $legend_items = array(
+	 *        'item_id' => array(
+	 *            'icon' => 'http://url_to_icon_being_described.png',
+	 *            'desc' => esc_html__('localized description of item');
+	 *        )
+	 * );
+	 *
+	 * @param array $items see above for format of array
+	 * @return string html string of legend
+	 * @throws DomainException
+	 */
+	protected function _display_legend($items)
+	{
+		$this->_template_args['items'] = apply_filters(
+			'FHEE__EE_Admin_Page___display_legend__items',
+			(array) $items,
+			$this
+		);
+		return EEH_Template::display_template(
+			EE_ADMIN_TEMPLATE . 'admin_details_legend.template.php',
+			$this->_template_args,
+			true
+		);
+	}
+
+
+	/**
+	 * This is used whenever we're DOING_AJAX to return a formatted json array that our calling javascript can expect
+	 * The returned json object is created from an array in the following format:
+	 * array(
+	 *  'error' => FALSE, //(default FALSE), contains any errors and/or exceptions (exceptions return json early),
+	 *  'success' => FALSE, //(default FALSE) - contains any special success message.
+	 *  'notices' => '', // - contains any EE_Error formatted notices
+	 *  'content' => 'string can be html', //this is a string of formatted content (can be html)
+	 *  'data' => array() //this can be any key/value pairs that a method returns for later json parsing by the js.
+	 *  We're also going to include the template args with every package (so js can pick out any specific template args
+	 *  that might be included in here)
+	 * )
+	 * The json object is populated by whatever is set in the $_template_args property.
+	 *
+	 * @param bool  $sticky_notices    Used to indicate whether you want to ensure notices are added to a transient
+	 *                                 instead of displayed.
+	 * @param array $notices_arguments Use this to pass any additional args on to the _process_notices.
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _return_json($sticky_notices = false, $notices_arguments = [])
+	{
+		// make sure any EE_Error notices have been handled.
+		$this->_process_notices($notices_arguments, true, $sticky_notices);
+		$data = isset($this->_template_args['data']) ? $this->_template_args['data'] : [];
+		unset($this->_template_args['data']);
+		$json = [
+			'error'     => isset($this->_template_args['error']) ? $this->_template_args['error'] : false,
+			'success'   => isset($this->_template_args['success']) ? $this->_template_args['success'] : false,
+			'errors'    => isset($this->_template_args['errors']) ? $this->_template_args['errors'] : false,
+			'attention' => isset($this->_template_args['attention']) ? $this->_template_args['attention'] : false,
+			'notices'   => EE_Error::get_notices(),
+			'content'   => isset($this->_template_args['admin_page_content'])
+				? $this->_template_args['admin_page_content'] : '',
+			'data'      => array_merge($data, ['template_args' => $this->_template_args]),
+			'isEEajax'  => true
+			// special flag so any ajax.Success methods in js can identify this return package as a EEajax package.
+		];
+		// make sure there are no php errors or headers_sent.  Then we can set correct json header.
+		if (null === error_get_last() || ! headers_sent()) {
+			header('Content-Type: application/json; charset=UTF-8');
+		}
+		echo wp_json_encode($json);
+		exit();
+	}
+
+
+	/**
+	 * Simply a wrapper for the protected method so we can call this outside the class (ONLY when doing ajax)
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function return_json()
+	{
+		if ($this->request->isAjax()) {
+			$this->_return_json();
+		} else {
+			throw new EE_Error(
+				sprintf(
+					esc_html__('The public %s method can only be called when DOING_AJAX = TRUE', 'event_espresso'),
+					__FUNCTION__
+				)
+			);
+		}
+	}
+
+
+	/**
+	 * This provides a way for child hook classes to send along themselves by reference so methods/properties within
+	 * them can be accessed by EE_Admin_child pages. This is assigned to the $_hook_obj property.
+	 *
+	 * @param EE_Admin_Hooks $hook_obj This will be the object for the EE_Admin_Hooks child
+	 */
+	public function set_hook_object(EE_Admin_Hooks $hook_obj)
+	{
+		$this->_hook_obj = $hook_obj;
+	}
+
+
+	/**
+	 *        generates  HTML wrapper with Tabbed nav for an admin page
+	 *
+	 * @param boolean $about whether to use the special about page wrapper or default.
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	public function admin_page_wrapper($about = false)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$this->_nav_tabs                                   = $this->_get_main_nav_tabs();
+		$this->_template_args['nav_tabs']                  = $this->_nav_tabs;
+		$this->_template_args['admin_page_title']          = $this->_admin_page_title;
+		$this->_template_args['before_admin_page_content'] = apply_filters(
+			"FHEE_before_admin_page_content{$this->_current_page}{$this->_current_view}",
+			isset($this->_template_args['before_admin_page_content'])
+				? $this->_template_args['before_admin_page_content']
+				: ''
+		);
+		$this->_template_args['after_admin_page_content']  = apply_filters(
+			"FHEE_after_admin_page_content{$this->_current_page}{$this->_current_view}",
+			isset($this->_template_args['after_admin_page_content'])
+				? $this->_template_args['after_admin_page_content']
+				: ''
+		);
+		$this->_template_args['after_admin_page_content']  .= $this->_set_help_popup_content();
+		// load settings page wrapper template
+		$template_path = ! $this->request->isAjax()
+			? EE_ADMIN_TEMPLATE . 'admin_wrapper.template.php'
+			: EE_ADMIN_TEMPLATE . 'admin_wrapper_ajax.template.php';
+		// about page?
+		$template_path = $about
+			? EE_ADMIN_TEMPLATE . 'about_admin_wrapper.template.php'
+			: $template_path;
+		if ($this->request->isAjax()) {
+			$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+				$template_path,
+				$this->_template_args,
+				true
+			);
+			$this->_return_json();
+		} else {
+			EEH_Template::display_template($template_path, $this->_template_args);
+		}
+	}
+
+
+	/**
+	 * This returns the admin_nav tabs html using the configuration in the _nav_tabs property
+	 *
+	 * @return string html
+	 * @throws EE_Error
+	 */
+	protected function _get_main_nav_tabs()
+	{
+		// let's generate the html using the EEH_Tabbed_Content helper.
+		// We do this here so that it's possible for child classes to add in nav tabs dynamically at the last minute
+		// (rather than setting in the page_routes array)
+		return EEH_Tabbed_Content::display_admin_nav_tabs($this->_nav_tabs);
+	}
+
+
+	/**
+	 *        sort nav tabs
+	 *
+	 * @param $a
+	 * @param $b
+	 * @return int
+	 */
+	private function _sort_nav_tabs($a, $b)
+	{
+		if ($a['order'] === $b['order']) {
+			return 0;
+		}
+		return ($a['order'] < $b['order']) ? -1 : 1;
+	}
+
+
+	/**
+	 *    generates HTML for the forms used on admin pages
+	 *
+	 * @param array  $input_vars   - array of input field details
+	 * @param string $generator    (options are 'string' or 'array', basically use this to indicate which generator to
+	 *                             use)
+	 * @param bool   $id
+	 * @return string
+	 * @uses   EEH_Form_Fields::get_form_fields (/helper/EEH_Form_Fields.helper.php)
+	 * @uses   EEH_Form_Fields::get_form_fields_array (/helper/EEH_Form_Fields.helper.php)
+	 */
+	protected function _generate_admin_form_fields($input_vars = [], $generator = 'string', $id = false)
+	{
+		return $generator === 'string'
+			? EEH_Form_Fields::get_form_fields($input_vars, $id)
+			: EEH_Form_Fields::get_form_fields_array($input_vars);
+	}
+
+
+	/**
+	 * generates the "Save" and "Save & Close" buttons for edit forms
+	 *
+	 * @param bool             $both     if true then both buttons will be generated.  If false then just the "Save &
+	 *                                   Close" button.
+	 * @param array            $text     if included, generator will use the given text for the buttons ( array([0] =>
+	 *                                   'Save', [1] => 'save & close')
+	 * @param array            $actions  if included allows us to set the actions that each button will carry out (i.e.
+	 *                                   via the "name" value in the button).  We can also use this to just dump
+	 *                                   default actions by submitting some other value.
+	 * @param bool|string|null $referrer if false then we just do the default action on save and close.  Other wise it
+	 *                                   will use the $referrer string. IF null, then we don't do ANYTHING on save and
+	 *                                   close (normal form handling).
+	 */
+	protected function _set_save_buttons($both = true, $text = [], $actions = [], $referrer = null)
+	{
+		// make sure $text and $actions are in an array
+		$text          = (array) $text;
+		$actions       = (array) $actions;
+		$referrer_url  = empty($referrer)
+			? '<input type="hidden" id="save_and_close_referrer" name="save_and_close_referrer" value="'
+			  . $this->request->getServerParam('REQUEST_URI')
+			  . '" />'
+			: '<input type="hidden" id="save_and_close_referrer" name="save_and_close_referrer" value="'
+			  . $referrer
+			  . '" />';
+		$button_text   = ! empty($text)
+			? $text
+			: [
+				esc_html__('Save', 'event_espresso'),
+				esc_html__('Save and Close', 'event_espresso'),
+			];
+		$default_names = ['save', 'save_and_close'];
+		// add in a hidden index for the current page (so save and close redirects properly)
+		$this->_template_args['save_buttons'] = $referrer_url;
+		foreach ($button_text as $key => $button) {
+			$ref                                  = $default_names[ $key ];
+			$this->_template_args['save_buttons'] .= '<input type="submit" class="button-primary '
+													 . $ref
+													 . '" value="'
+													 . $button
+													 . '" name="'
+													 . (! empty($actions) ? $actions[ $key ] : $ref)
+													 . '" id="'
+													 . $this->_current_view . '_' . $ref
+													 . '" />';
+			if (! $both) {
+				break;
+			}
+		}
+	}
+
+
+	/**
+	 * Wrapper for the protected function.  Allows plugins/addons to call this to set the form tags.
+	 *
+	 * @param string $route
+	 * @param array  $additional_hidden_fields
+	 * @see   $this->_set_add_edit_form_tags() for details on params
+	 * @since 4.6.0
+	 */
+	public function set_add_edit_form_tags($route = '', $additional_hidden_fields = [])
+	{
+		$this->_set_add_edit_form_tags($route, $additional_hidden_fields);
+	}
+
+
+	/**
+	 * set form open and close tags on add/edit pages.
+	 *
+	 * @param string $route                    the route you want the form to direct to
+	 * @param array  $additional_hidden_fields any additional hidden fields required in the form header
+	 * @return void
+	 */
+	protected function _set_add_edit_form_tags($route = '', $additional_hidden_fields = [])
+	{
+		if (empty($route)) {
+			$user_msg = esc_html__(
+				'An error occurred. No action was set for this page\'s form.',
+				'event_espresso'
+			);
+			$dev_msg  = $user_msg . "\n"
+						. sprintf(
+							esc_html__('The $route argument is required for the %s->%s method.', 'event_espresso'),
+							__FUNCTION__,
+							__CLASS__
+						);
+			EE_Error::add_error($user_msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
+		}
+		// open form
+		$this->_template_args['before_admin_page_content'] = '<form name="form" method="post" action="'
+															 . $this->_admin_base_url
+															 . '" id="'
+															 . $route
+															 . '_event_form" >';
+		// add nonce
+		$nonce                                             =
+			wp_nonce_field($route . '_nonce', $route . '_nonce', false, false);
+		$this->_template_args['before_admin_page_content'] .= "\n\t" . $nonce;
+		// add REQUIRED form action
+		$hidden_fields = [
+			'action' => ['type' => 'hidden', 'value' => $route],
+		];
+		// merge arrays
+		$hidden_fields = is_array($additional_hidden_fields)
+			? array_merge($hidden_fields, $additional_hidden_fields)
+			: $hidden_fields;
+		// generate form fields
+		$form_fields = $this->_generate_admin_form_fields($hidden_fields, 'array');
+		// add fields to form
+		foreach ((array) $form_fields as $field_name => $form_field) {
+			$this->_template_args['before_admin_page_content'] .= "\n\t" . $form_field['field'];
+		}
+		// close form
+		$this->_template_args['after_admin_page_content'] = '</form>';
+	}
+
+
+	/**
+	 * Public Wrapper for _redirect_after_action() method since its
+	 * discovered it would be useful for external code to have access.
+	 *
+	 * @param bool   $success
+	 * @param string $what
+	 * @param string $action_desc
+	 * @param array  $query_args
+	 * @param bool   $override_overwrite
+	 * @throws EE_Error
+	 * @see   EE_Admin_Page::_redirect_after_action() for params.
+	 * @since 4.5.0
+	 */
+	public function redirect_after_action(
+		$success = false,
+		$what = 'item',
+		$action_desc = 'processed',
+		$query_args = [],
+		$override_overwrite = false
+	) {
+		$this->_redirect_after_action(
+			$success,
+			$what,
+			$action_desc,
+			$query_args,
+			$override_overwrite
+		);
+	}
+
+
+	/**
+	 * Helper method for merging existing request data with the returned redirect url.
+	 *
+	 * This is typically used for redirects after an action so that if the original view was a filtered view those
+	 * filters are still applied.
+	 *
+	 * @param array $new_route_data
+	 * @return array
+	 */
+	protected function mergeExistingRequestParamsWithRedirectArgs(array $new_route_data)
+	{
+		foreach ($this->request->requestParams() as $ref => $value) {
+			// unset nonces
+			if (strpos($ref, 'nonce') !== false) {
+				$this->request->unSetRequestParam($ref);
+				continue;
+			}
+			// urlencode values.
+			$value = is_array($value) ? array_map('urlencode', $value) : urlencode($value);
+			$this->request->setRequestParam($ref, $value);
+		}
+		return array_merge($this->request->requestParams(), $new_route_data);
+	}
+
+
+	/**
+	 *    _redirect_after_action
+	 *
+	 * @param int    $success            - whether success was for two or more records, or just one, or none
+	 * @param string $what               - what the action was performed on
+	 * @param string $action_desc        - what was done ie: updated, deleted, etc
+	 * @param array  $query_args         - an array of query_args to be added to the URL to redirect to after the admin
+	 *                                   action is completed
+	 * @param BOOL   $override_overwrite by default all EE_Error::success messages are overwritten, this allows you to
+	 *                                   override this so that they show.
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _redirect_after_action(
+		$success = 0,
+		$what = 'item',
+		$action_desc = 'processed',
+		$query_args = [],
+		$override_overwrite = false
+	) {
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		// class name for actions/filters.
+		$classname = get_class($this);
+		// set redirect url.
+		// Note if there is a "page" index in the $query_args then we go with vanilla admin.php route,
+		// otherwise we go with whatever is set as the _admin_base_url
+		$redirect_url = isset($query_args['page']) ? admin_url('admin.php') : $this->_admin_base_url;
+		$notices      = EE_Error::get_notices(false);
+		// overwrite default success messages //BUT ONLY if overwrite not overridden
+		if (! $override_overwrite || ! empty($notices['errors'])) {
+			EE_Error::overwrite_success();
+		}
+		if (! empty($what) && ! empty($action_desc) && empty($notices['errors'])) {
+			// how many records affected ? more than one record ? or just one ?
+			if ($success > 1) {
+				// set plural msg
+				EE_Error::add_success(
+					sprintf(
+						esc_html__('The "%s" have been successfully %s.', 'event_espresso'),
+						$what,
+						$action_desc
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			} elseif ($success === 1) {
+				// set singular msg
+				EE_Error::add_success(
+					sprintf(
+						esc_html__('The "%s" has been successfully %s.', 'event_espresso'),
+						$what,
+						$action_desc
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+		}
+		// check that $query_args isn't something crazy
+		if (! is_array($query_args)) {
+			$query_args = [];
+		}
+		/**
+		 * Allow injecting actions before the query_args are modified for possible different
+		 * redirections on save and close actions
+		 *
+		 * @param array $query_args       The original query_args array coming into the
+		 *                                method.
+		 * @since 4.2.0
+		 */
+		do_action(
+			"AHEE__{$classname}___redirect_after_action__before_redirect_modification_{$this->_req_action}",
+			$query_args
+		);
+		// calculate where we're going (if we have a "save and close" button pushed)
+
+		if (
+			$this->request->requestParamIsSet('save_and_close')
+			&& $this->request->requestParamIsSet('save_and_close_referrer')
+		) {
+			// even though we have the save_and_close referrer, we need to parse the url for the action in order to generate a nonce
+			$parsed_url = parse_url($this->request->getRequestParam('save_and_close_referrer', '', 'url'));
+			// regenerate query args array from referrer URL
+			parse_str($parsed_url['query'], $query_args);
+			// correct page and action will be in the query args now
+			$redirect_url = admin_url('admin.php');
+		}
+		// merge any default query_args set in _default_route_query_args property
+		if (! empty($this->_default_route_query_args) && ! $this->_is_UI_request) {
+			$args_to_merge = [];
+			foreach ($this->_default_route_query_args as $query_param => $query_value) {
+				// is there a wp_referer array in our _default_route_query_args property?
+				if ($query_param === 'wp_referer') {
+					$query_value = (array) $query_value;
+					foreach ($query_value as $reference => $value) {
+						if (strpos($reference, 'nonce') !== false) {
+							continue;
+						}
+						// finally we will override any arguments in the referer with
+						// what might be set on the _default_route_query_args array.
+						if (isset($this->_default_route_query_args[ $reference ])) {
+							$args_to_merge[ $reference ] = urlencode($this->_default_route_query_args[ $reference ]);
+						} else {
+							$args_to_merge[ $reference ] = urlencode($value);
+						}
+					}
+					continue;
+				}
+				$args_to_merge[ $query_param ] = $query_value;
+			}
+			// now let's merge these arguments but override with what was specifically sent in to the
+			// redirect.
+			$query_args = array_merge($args_to_merge, $query_args);
+		}
+		$this->_process_notices($query_args);
+		// generate redirect url
+		// if redirecting to anything other than the main page, add a nonce
+		if (isset($query_args['action'])) {
+			// manually generate wp_nonce and merge that with the query vars
+			// becuz the wp_nonce_url function wrecks havoc on some vars
+			$query_args['_wpnonce'] = wp_create_nonce($query_args['action'] . '_nonce');
+		}
+		// we're adding some hooks and filters in here for processing any things just before redirects
+		// (example: an admin page has done an insert or update and we want to run something after that).
+		do_action('AHEE_redirect_' . $classname . $this->_req_action, $query_args);
+		$redirect_url = apply_filters(
+			'FHEE_redirect_' . $classname . $this->_req_action,
+			self::add_query_args_and_nonce($query_args, $redirect_url),
+			$query_args
+		);
+		// check if we're doing ajax.  If we are then lets just return the results and js can handle how it wants.
+		if ($this->request->isAjax()) {
+			$default_data                    = [
+				'close'        => true,
+				'redirect_url' => $redirect_url,
+				'where'        => 'main',
+				'what'         => 'append',
+			];
+			$this->_template_args['success'] = $success;
+			$this->_template_args['data']    = ! empty($this->_template_args['data']) ? array_merge(
+				$default_data,
+				$this->_template_args['data']
+			) : $default_data;
+			$this->_return_json();
+		}
+		wp_safe_redirect($redirect_url);
+		exit();
+	}
+
+
+	/**
+	 * process any notices before redirecting (or returning ajax request)
+	 * This method sets the $this->_template_args['notices'] attribute;
+	 *
+	 * @param array $query_args         any query args that need to be used for notice transient ('action')
+	 * @param bool  $skip_route_verify  This is typically used when we are processing notices REALLY early and
+	 *                                  page_routes haven't been defined yet.
+	 * @param bool  $sticky_notices     This is used to flag that regardless of whether this is doing_ajax or not, we
+	 *                                  still save a transient for the notice.
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _process_notices($query_args = [], $skip_route_verify = false, $sticky_notices = true)
+	{
+		// first let's set individual error properties if doing_ajax and the properties aren't already set.
+		if ($this->request->isAjax()) {
+			$notices = EE_Error::get_notices(false);
+			if (empty($this->_template_args['success'])) {
+				$this->_template_args['success'] = isset($notices['success']) ? $notices['success'] : false;
+			}
+			if (empty($this->_template_args['errors'])) {
+				$this->_template_args['errors'] = isset($notices['errors']) ? $notices['errors'] : false;
+			}
+			if (empty($this->_template_args['attention'])) {
+				$this->_template_args['attention'] = isset($notices['attention']) ? $notices['attention'] : false;
+			}
+		}
+		$this->_template_args['notices'] = EE_Error::get_notices();
+		// IF this isn't ajax we need to create a transient for the notices using the route (however, overridden if $sticky_notices == true)
+		if (! $this->request->isAjax() || $sticky_notices) {
+			$route = isset($query_args['action']) ? $query_args['action'] : 'default';
+			$this->_add_transient(
+				$route,
+				$this->_template_args['notices'],
+				true,
+				$skip_route_verify
+			);
+		}
+	}
+
+
+	/**
+	 * get_action_link_or_button
+	 * returns the button html for adding, editing, or deleting an item (depending on given type)
+	 *
+	 * @param string $action        use this to indicate which action the url is generated with.
+	 * @param string $type          accepted strings must be defined in the $_labels['button'] array(as the key)
+	 *                              property.
+	 * @param array  $extra_request if the button requires extra params you can include them in $key=>$value pairs.
+	 * @param string $class         Use this to give the class for the button. Defaults to 'button-primary'
+	 * @param string $base_url      If this is not provided
+	 *                              the _admin_base_url will be used as the default for the button base_url.
+	 *                              Otherwise this value will be used.
+	 * @param bool   $exclude_nonce If true then no nonce will be in the generated button link.
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws EE_Error
+	 */
+	public function get_action_link_or_button(
+		$action,
+		$type = 'add',
+		$extra_request = [],
+		$class = 'button-primary',
+		$base_url = '',
+		$exclude_nonce = false
+	) {
+		// first let's validate the action (if $base_url is FALSE otherwise validation will happen further along)
+		if (empty($base_url) && ! isset($this->_page_routes[ $action ])) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'There is no page route for given action for the button.  This action was given: %s',
+						'event_espresso'
+					),
+					$action
+				)
+			);
+		}
+		if (! isset($this->_labels['buttons'][ $type ])) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'There is no label for the given button type (%s). Labels are set in the <code>_page_config</code> property.',
+						'event_espresso'
+					),
+					$type
+				)
+			);
+		}
+		// finally check user access for this button.
+		$has_access = $this->check_user_access($action, true);
+		if (! $has_access) {
+			return '';
+		}
+		$_base_url  = ! $base_url ? $this->_admin_base_url : $base_url;
+		$query_args = [
+			'action' => $action,
+		];
+		// merge extra_request args but make sure our original action takes precedence and doesn't get overwritten.
+		if (! empty($extra_request)) {
+			$query_args = array_merge($extra_request, $query_args);
+		}
+		$url = self::add_query_args_and_nonce($query_args, $_base_url, false, $exclude_nonce);
+		return EEH_Template::get_button_or_link($url, $this->_labels['buttons'][ $type ], $class);
+	}
+
+
+	/**
+	 * _per_page_screen_option
+	 * Utility function for adding in a per_page_option in the screen_options_dropdown.
+	 *
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	protected function _per_page_screen_option()
+	{
+		$option = 'per_page';
+		$args   = [
+			'label'   => apply_filters(
+				'FHEE__EE_Admin_Page___per_page_screen_options___label',
+				$this->_admin_page_title,
+				$this
+			),
+			'default' => (int) apply_filters(
+				'FHEE__EE_Admin_Page___per_page_screen_options__default',
+				20
+			),
+			'option'  => $this->_current_page . '_' . $this->_current_view . '_per_page',
+		];
+		// ONLY add the screen option if the user has access to it.
+		if ($this->check_user_access($this->_current_view, true)) {
+			add_screen_option($option, $args);
+		}
+	}
+
+
+	/**
+	 * set_per_page_screen_option
+	 * All this does is make sure that WordPress saves any per_page screen options (if set) for the current page.
+	 * we have to do this rather than running inside the 'set-screen-options' hook because it runs earlier than
+	 * admin_menu.
+	 *
+	 * @return void
+	 */
+	private function _set_per_page_screen_options()
+	{
+		if ($this->request->requestParamIsSet('wp_screen_options')) {
+			check_admin_referer('screen-options-nonce', 'screenoptionnonce');
+			if (! $user = wp_get_current_user()) {
+				return;
+			}
+			$option = $this->request->getRequestParam('wp_screen_options[option]', '', 'key');
+			if (! $option) {
+				return;
+			}
+			$value  = $this->request->getRequestParam('wp_screen_options[value]', 0, 'int');
+			$map_option = $option;
+			$option     = str_replace('-', '_', $option);
+			switch ($map_option) {
+				case $this->_current_page . '_' . $this->_current_view . '_per_page':
+					$max_value = apply_filters(
+						'FHEE__EE_Admin_Page___set_per_page_screen_options__max_value',
+						999,
+						$this->_current_page,
+						$this->_current_view
+					);
+					if ($value < 1) {
+						return;
+					}
+					$value = min($value, $max_value);
+					break;
+				default:
+					$value = apply_filters(
+						'FHEE__EE_Admin_Page___set_per_page_screen_options__value',
+						false,
+						$option,
+						$value
+					);
+					if (false === $value) {
+						return;
+					}
+					break;
+			}
+			update_user_meta($user->ID, $option, $value);
+			wp_safe_redirect(remove_query_arg(['pagenum', 'apage', 'paged'], wp_get_referer()));
+			exit;
+		}
+	}
+
+
+	/**
+	 * This just allows for setting the $_template_args property if it needs to be set outside the object
+	 *
+	 * @param array $data array that will be assigned to template args.
+	 */
+	public function set_template_args($data)
+	{
+		$this->_template_args = array_merge($this->_template_args, (array) $data);
+	}
+
+
+	/**
+	 * This makes available the WP transient system for temporarily moving data between routes
+	 *
+	 * @param string $route             the route that should receive the transient
+	 * @param array  $data              the data that gets sent
+	 * @param bool   $notices           If this is for notices then we use this to indicate so, otherwise its just a
+	 *                                  normal route transient.
+	 * @param bool   $skip_route_verify Used to indicate we want to skip route verification.  This is usually ONLY used
+	 *                                  when we are adding a transient before page_routes have been defined.
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _add_transient($route, $data, $notices = false, $skip_route_verify = false)
+	{
+		$user_id = get_current_user_id();
+		if (! $skip_route_verify) {
+			$this->_verify_route($route);
+		}
+		// now let's set the string for what kind of transient we're setting
+		$transient = $notices
+			? 'ee_rte_n_tx_' . $route . '_' . $user_id
+			: 'rte_tx_' . $route . '_' . $user_id;
+		$data      = $notices ? ['notices' => $data] : $data;
+		// is there already a transient for this route?  If there is then let's ADD to that transient
+		$existing = is_multisite() && is_network_admin()
+			? get_site_transient($transient)
+			: get_transient($transient);
+		if ($existing) {
+			$data = array_merge((array) $data, (array) $existing);
+		}
+		if (is_multisite() && is_network_admin()) {
+			set_site_transient($transient, $data, 8);
+		} else {
+			set_transient($transient, $data, 8);
+		}
+	}
+
+
+	/**
+	 * this retrieves the temporary transient that has been set for moving data between routes.
+	 *
+	 * @param bool   $notices true we get notices transient. False we just return normal route transient
+	 * @param string $route
+	 * @return mixed data
+	 */
+	protected function _get_transient($notices = false, $route = '')
+	{
+		$user_id   = get_current_user_id();
+		$route     = ! $route ? $this->_req_action : $route;
+		$transient = $notices
+			? 'ee_rte_n_tx_' . $route . '_' . $user_id
+			: 'rte_tx_' . $route . '_' . $user_id;
+		$data      = is_multisite() && is_network_admin()
+			? get_site_transient($transient)
+			: get_transient($transient);
+		// delete transient after retrieval (just in case it hasn't expired);
+		if (is_multisite() && is_network_admin()) {
+			delete_site_transient($transient);
+		} else {
+			delete_transient($transient);
+		}
+		return $notices && isset($data['notices']) ? $data['notices'] : $data;
+	}
+
+
+	/**
+	 * The purpose of this method is just to run garbage collection on any EE transients that might have expired but
+	 * would not be called later. This will be assigned to run on a specific EE Admin page. (place the method in the
+	 * default route callback on the EE_Admin page you want it run.)
+	 *
+	 * @return void
+	 */
+	protected function _transient_garbage_collection()
+	{
+		global $wpdb;
+		// retrieve all existing transients
+		$query =
+			"SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE '%rte_tx_%' OR option_name LIKE '%rte_n_tx_%'";
+		if ($results = $wpdb->get_results($query)) {
+			foreach ($results as $result) {
+				$transient = str_replace('_transient_', '', $result->option_name);
+				get_transient($transient);
+				if (is_multisite() && is_network_admin()) {
+					get_site_transient($transient);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * get_view
+	 *
+	 * @return string content of _view property
+	 */
+	public function get_view()
+	{
+		return $this->_view;
+	}
+
+
+	/**
+	 * getter for the protected $_views property
+	 *
+	 * @return array
+	 */
+	public function get_views()
+	{
+		return $this->_views;
+	}
+
+
+	/**
+	 * get_current_page
+	 *
+	 * @return string _current_page property value
+	 */
+	public function get_current_page()
+	{
+		return $this->_current_page;
+	}
+
+
+	/**
+	 * get_current_view
+	 *
+	 * @return string _current_view property value
+	 */
+	public function get_current_view()
+	{
+		return $this->_current_view;
+	}
+
+
+	/**
+	 * get_current_screen
+	 *
+	 * @return object The current WP_Screen object
+	 */
+	public function get_current_screen()
+	{
+		return $this->_current_screen;
+	}
+
+
+	/**
+	 * get_current_page_view_url
+	 *
+	 * @return string This returns the url for the current_page_view.
+	 */
+	public function get_current_page_view_url()
+	{
+		return $this->_current_page_view_url;
+	}
+
+
+	/**
+	 * just returns the Request
+	 *
+	 * @return RequestInterface
+	 */
+	public function get_request()
+	{
+		return $this->request;
+	}
+
+
+	/**
+	 * just returns the _req_data property
+	 *
+	 * @return array
+	 */
+	public function get_request_data()
+	{
+		return $this->request->requestParams();
+	}
+
+
+	/**
+	 * returns the _req_data protected property
+	 *
+	 * @return string
+	 */
+	public function get_req_action()
+	{
+		return $this->_req_action;
+	}
+
+
+	/**
+	 * @return bool  value of $_is_caf property
+	 */
+	public function is_caf()
+	{
+		return $this->_is_caf;
+	}
+
+
+	/**
+	 * @return mixed
+	 */
+	public function default_espresso_metaboxes()
+	{
+		return $this->_default_espresso_metaboxes;
+	}
+
+
+	/**
+	 * @return mixed
+	 */
+	public function admin_base_url()
+	{
+		return $this->_admin_base_url;
+	}
+
+
+	/**
+	 * @return mixed
+	 */
+	public function wp_page_slug()
+	{
+		return $this->_wp_page_slug;
+	}
+
+
+	/**
+	 * updates  espresso configuration settings
+	 *
+	 * @param string                   $tab
+	 * @param EE_Config_Base|EE_Config $config
+	 * @param string                   $file file where error occurred
+	 * @param string                   $func function  where error occurred
+	 * @param string                   $line line no where error occurred
+	 * @return boolean
+	 */
+	protected function _update_espresso_configuration($tab, $config, $file = '', $func = '', $line = '')
+	{
+		// remove any options that are NOT going to be saved with the config settings.
+		if (isset($config->core->ee_ueip_optin)) {
+			// TODO: remove the following two lines and make sure values are migrated from 3.1
+			update_option('ee_ueip_optin', $config->core->ee_ueip_optin);
+			update_option('ee_ueip_has_notified', true);
+		}
+		// and save it (note we're also doing the network save here)
+		$net_saved    = is_main_site() ? EE_Network_Config::instance()->update_config(false, false) : true;
+		$config_saved = EE_Config::instance()->update_espresso_config(false, false);
+		if ($config_saved && $net_saved) {
+			EE_Error::add_success(sprintf(esc_html__('"%s" have been successfully updated.', 'event_espresso'), $tab));
+			return true;
+		}
+		EE_Error::add_error(sprintf(esc_html__('The "%s" were not updated.', 'event_espresso'), $tab), $file, $func, $line);
+		return false;
+	}
+
+
+	/**
+	 * Returns an array to be used for EE_FOrm_Fields.helper.php's select_input as the $values argument.
+	 *
+	 * @return array
+	 */
+	public function get_yes_no_values()
+	{
+		return $this->_yes_no_values;
+	}
+
+
+	protected function _get_dir()
+	{
+		$reflector = new ReflectionClass(get_class($this));
+		return dirname($reflector->getFileName());
+	}
+
+
+	/**
+	 * A helper for getting a "next link".
+	 *
+	 * @param string $url   The url to link to
+	 * @param string $class The class to use.
+	 * @return string
+	 */
+	protected function _next_link($url, $class = 'dashicons dashicons-arrow-right')
+	{
+		return '<a class="' . $class . '" href="' . $url . '"></a>';
+	}
+
+
+	/**
+	 * A helper for getting a "previous link".
+	 *
+	 * @param string $url   The url to link to
+	 * @param string $class The class to use.
+	 * @return string
+	 */
+	protected function _previous_link($url, $class = 'dashicons dashicons-arrow-left')
+	{
+		return '<a class="' . $class . '" href="' . $url . '"></a>';
+	}
+
+
+
+
+
+
+
+	// below are some messages related methods that should be available across the EE_Admin system.  Note, these methods are NOT page specific
+
+
+	/**
+	 * This processes an request to resend a registration and assumes we have a _REG_ID for doing so. So if the caller
+	 * knows that the _REG_ID isn't in the req_data array but CAN obtain it, the caller should ADD the _REG_ID to the
+	 * _req_data array.
+	 *
+	 * @return bool success/fail
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _process_resend_registration()
+	{
+		$this->_template_args['success'] = EED_Messages::process_resend($this->request->requestParams());
+		do_action(
+			'AHEE__EE_Admin_Page___process_resend_registration',
+			$this->_template_args['success'],
+			$this->request->requestParams()
+		);
+		return $this->_template_args['success'];
+	}
+
+
+	/**
+	 * This automatically processes any payment message notifications when manual payment has been applied.
+	 *
+	 * @param EE_Payment $payment
+	 * @return bool success/fail
+	 */
+	protected function _process_payment_notification(EE_Payment $payment)
+	{
+		add_filter('FHEE__EE_Payment_Processor__process_registration_payments__display_notifications', '__return_true');
+		do_action('AHEE__EE_Admin_Page___process_admin_payment_notification', $payment);
+		$this->_template_args['success'] = apply_filters(
+			'FHEE__EE_Admin_Page___process_admin_payment_notification__success',
+			false,
+			$payment
+		);
+		return $this->_template_args['success'];
+	}
 }

Spacing +184 added lines, -184 removed lines

@@ -536,7 +536,7 @@ 
         $ee_menu_slugs = (array) $ee_menu_slugs;
         if (
             ! $this->request->isAjax()
-            && (! $this->_current_page || ! isset($ee_menu_slugs[ $this->_current_page ]))
+            && ( ! $this->_current_page || ! isset($ee_menu_slugs[$this->_current_page]))
         ) {
             return;
         }
@@ -556,7 +556,7 @@ 
             : $req_action;
 
         $this->_current_view = $this->_req_action;
-        $this->_req_nonce    = $this->_req_action . '_nonce';
+        $this->_req_nonce    = $this->_req_action.'_nonce';
         $this->_define_page_props();
         $this->_current_page_view_url = add_query_arg(
             ['page' => $this->_current_page, 'action' => $this->_current_view],
@@ -594,21 +594,21 @@ 
         }
         // filter routes and page_config so addons can add their stuff. Filtering done per class
         $this->_page_routes = apply_filters(
-            'FHEE__' . get_class($this) . '__page_setup__page_routes',
+            'FHEE__'.get_class($this).'__page_setup__page_routes',
             $this->_page_routes,
             $this
         );
         $this->_page_config = apply_filters(
-            'FHEE__' . get_class($this) . '__page_setup__page_config',
+            'FHEE__'.get_class($this).'__page_setup__page_config',
             $this->_page_config,
             $this
         );
         // if AHEE__EE_Admin_Page__route_admin_request_$this->_current_view method is present
         // then we call it hooked into the AHEE__EE_Admin_Page__route_admin_request action
-        if (method_exists($this, 'AHEE__EE_Admin_Page__route_admin_request_' . $this->_current_view)) {
+        if (method_exists($this, 'AHEE__EE_Admin_Page__route_admin_request_'.$this->_current_view)) {
             add_action(
                 'AHEE__EE_Admin_Page__route_admin_request',
-                [$this, 'AHEE__EE_Admin_Page__route_admin_request_' . $this->_current_view],
+                [$this, 'AHEE__EE_Admin_Page__route_admin_request_'.$this->_current_view],
                 10,
                 2
             );
@@ -621,8 +621,8 @@ 
             if ($this->_is_UI_request) {
                 // admin_init stuff - global, all views for this page class, specific view
                 add_action('admin_init', [$this, 'admin_init'], 10);
-                if (method_exists($this, 'admin_init_' . $this->_current_view)) {
-                    add_action('admin_init', [$this, 'admin_init_' . $this->_current_view], 15);
+                if (method_exists($this, 'admin_init_'.$this->_current_view)) {
+                    add_action('admin_init', [$this, 'admin_init_'.$this->_current_view], 15);
                 }
             } else {
                 // hijack regular WP loading and route admin request immediately
@@ -641,12 +641,12 @@ 
      */
     private function _do_other_page_hooks()
     {
-        $registered_pages = apply_filters('FHEE_do_other_page_hooks_' . $this->page_slug, []);
+        $registered_pages = apply_filters('FHEE_do_other_page_hooks_'.$this->page_slug, []);
         foreach ($registered_pages as $page) {
             // now let's setup the file name and class that should be present
             $classname = str_replace('.class.php', '', $page);
             // autoloaders should take care of loading file
-            if (! class_exists($classname)) {
+            if ( ! class_exists($classname)) {
                 $error_msg[] = sprintf(
                     esc_html__(
                         'Something went wrong with loading the %s admin hooks page.',
@@ -663,7 +663,7 @@ 
                                    ),
                                    $page,
                                    '<br />',
-                                   '<strong>' . $classname . '</strong>'
+                                   '<strong>'.$classname.'</strong>'
                                );
                 throw new EE_Error(implode('||', $error_msg));
             }
@@ -705,13 +705,13 @@ 
         // load admin_notices - global, page class, and view specific
         add_action('admin_notices', [$this, 'admin_notices_global'], 5);
         add_action('admin_notices', [$this, 'admin_notices'], 10);
-        if (method_exists($this, 'admin_notices_' . $this->_current_view)) {
-            add_action('admin_notices', [$this, 'admin_notices_' . $this->_current_view], 15);
+        if (method_exists($this, 'admin_notices_'.$this->_current_view)) {
+            add_action('admin_notices', [$this, 'admin_notices_'.$this->_current_view], 15);
         }
         // load network admin_notices - global, page class, and view specific
         add_action('network_admin_notices', [$this, 'network_admin_notices_global'], 5);
-        if (method_exists($this, 'network_admin_notices_' . $this->_current_view)) {
-            add_action('network_admin_notices', [$this, 'network_admin_notices_' . $this->_current_view]);
+        if (method_exists($this, 'network_admin_notices_'.$this->_current_view)) {
+            add_action('network_admin_notices', [$this, 'network_admin_notices_'.$this->_current_view]);
         }
         // this will save any per_page screen options if they are present
         $this->_set_per_page_screen_options();
@@ -833,7 +833,7 @@ 
     protected function _verify_routes()
     {
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        if (! $this->_current_page && ! $this->request->isAjax()) {
+        if ( ! $this->_current_page && ! $this->request->isAjax()) {
             return false;
         }
         $this->_route = false;
@@ -845,7 +845,7 @@ 
                 $this->_admin_page_title
             );
             // developer error msg
-            $error_msg .= '||' . $error_msg
+            $error_msg .= '||'.$error_msg
                           . esc_html__(
                               ' Make sure the "set_page_routes()" method exists, and is setting the "_page_routes" array properly.',
                               'event_espresso'
@@ -854,9 +854,9 @@ 
         }
         // and that the requested page route exists
         if (array_key_exists($this->_req_action, $this->_page_routes)) {
-            $this->_route        = $this->_page_routes[ $this->_req_action ];
-            $this->_route_config = isset($this->_page_config[ $this->_req_action ])
-                ? $this->_page_config[ $this->_req_action ]
+            $this->_route        = $this->_page_routes[$this->_req_action];
+            $this->_route_config = isset($this->_page_config[$this->_req_action])
+                ? $this->_page_config[$this->_req_action]
                 : [];
         } else {
             // user error msg
@@ -868,7 +868,7 @@ 
                 $this->_admin_page_title
             );
             // developer error msg
-            $error_msg .= '||' . $error_msg
+            $error_msg .= '||'.$error_msg
                           . sprintf(
                               esc_html__(
                                   ' Create a key in the "_page_routes" array named "%s" and set its value to the appropriate method.',
@@ -879,7 +879,7 @@ 
             throw new EE_Error($error_msg);
         }
         // and that a default route exists
-        if (! array_key_exists('default', $this->_page_routes)) {
+        if ( ! array_key_exists('default', $this->_page_routes)) {
             // user error msg
             $error_msg = sprintf(
                 esc_html__(
@@ -889,7 +889,7 @@ 
                 $this->_admin_page_title
             );
             // developer error msg
-            $error_msg .= '||' . $error_msg
+            $error_msg .= '||'.$error_msg
                           . esc_html__(
                               ' Create a key in the "_page_routes" array named "default" and set its value to your default page method.',
                               'event_espresso'
@@ -930,7 +930,7 @@ 
             $this->_admin_page_title
         );
         // developer error msg
-        $error_msg .= '||' . $error_msg
+        $error_msg .= '||'.$error_msg
                       . sprintf(
                           esc_html__(
                               ' Check the route you are using in your method (%s) and make sure it matches a route set in your "_page_routes" array property',
@@ -955,7 +955,7 @@ 
     protected function _verify_nonce($nonce, $nonce_ref)
     {
         // verify nonce against expected value
-        if (! wp_verify_nonce($nonce, $nonce_ref)) {
+        if ( ! wp_verify_nonce($nonce, $nonce_ref)) {
             // these are not the droids you are looking for !!!
             $msg = sprintf(
                 esc_html__('%sNonce Fail.%s', 'event_espresso'),
@@ -972,7 +972,7 @@ 
                     __CLASS__
                 );
             }
-            if (! $this->request->isAjax()) {
+            if ( ! $this->request->isAjax()) {
                 wp_die($msg);
             }
             EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
@@ -996,7 +996,7 @@ 
      */
     protected function _route_admin_request()
     {
-        if (! $this->_is_UI_request) {
+        if ( ! $this->_is_UI_request) {
             $this->_verify_routes();
         }
         $nonce_check = ! isset($this->_route_config['require_nonce']) || $this->_route_config['require_nonce'];
@@ -1016,7 +1016,7 @@ 
         $error_msg = '';
         // action right before calling route
         // (hook is something like 'AHEE__Registrations_Admin_Page__route_admin_request')
-        if (! did_action('AHEE__EE_Admin_Page__route_admin_request')) {
+        if ( ! did_action('AHEE__EE_Admin_Page__route_admin_request')) {
             do_action('AHEE__EE_Admin_Page__route_admin_request', $this->_current_view, $this);
         }
         // right before calling the route, let's clean the _wp_http_referer
@@ -1027,7 +1027,7 @@ 
                 wp_unslash($this->request->getServerParam('REQUEST_URI'))
             )
         );
-        if (! empty($func)) {
+        if ( ! empty($func)) {
             if (is_array($func)) {
                 list($class, $method) = $func;
             } elseif (strpos($func, '::') !== false) {
@@ -1036,7 +1036,7 @@ 
                 $class  = $this;
                 $method = $func;
             }
-            if (! (is_object($class) && $class === $this)) {
+            if ( ! (is_object($class) && $class === $this)) {
                 // send along this admin page object for access by addons.
                 $args['admin_page_object'] = $this;
             }
@@ -1077,7 +1077,7 @@ 
                     $method
                 );
             }
-            if (! empty($error_msg)) {
+            if ( ! empty($error_msg)) {
                 throw new EE_Error($error_msg);
             }
         }
@@ -1162,7 +1162,7 @@ 
                 if (strpos($key, 'nonce') !== false) {
                     continue;
                 }
-                $args[ 'wp_referer[' . $key . ']' ] = $value;
+                $args['wp_referer['.$key.']'] = $value;
             }
         }
         return EEH_URL::add_query_args_and_nonce($args, $url, $exclude_nonce);
@@ -1202,8 +1202,8 @@ 
     protected function _add_help_tabs()
     {
         $tour_buttons = '';
-        if (isset($this->_page_config[ $this->_req_action ])) {
-            $config = $this->_page_config[ $this->_req_action ];
+        if (isset($this->_page_config[$this->_req_action])) {
+            $config = $this->_page_config[$this->_req_action];
             // disabled temporarily. see: https://github.com/eventespresso/eventsmart.com-website/issues/836
             // is there a help tour for the current route?  if there is let's setup the tour buttons
             // if (isset($this->_help_tour[ $this->_req_action ])) {
@@ -1226,7 +1226,7 @@ 
             // let's see if there is a help_sidebar set for the current route and we'll set that up for usage as well.
             if (is_array($config) && isset($config['help_sidebar'])) {
                 // check that the callback given is valid
-                if (! method_exists($this, $config['help_sidebar'])) {
+                if ( ! method_exists($this, $config['help_sidebar'])) {
                     throw new EE_Error(
                         sprintf(
                             esc_html__(
@@ -1239,7 +1239,7 @@ 
                     );
                 }
                 $content = apply_filters(
-                    'FHEE__' . get_class($this) . '__add_help_tabs__help_sidebar',
+                    'FHEE__'.get_class($this).'__add_help_tabs__help_sidebar',
                     $this->{$config['help_sidebar']}()
                 );
                 $content .= $tour_buttons; // add help tour buttons.
@@ -1247,27 +1247,27 @@ 
                 $this->_current_screen->set_help_sidebar($content);
             }
             // if we DON'T have config help sidebar and there ARE tour buttons then we'll just add the tour buttons to the sidebar.
-            if (! isset($config['help_sidebar']) && ! empty($tour_buttons)) {
+            if ( ! isset($config['help_sidebar']) && ! empty($tour_buttons)) {
                 $this->_current_screen->set_help_sidebar($tour_buttons);
             }
             // handle if no help_tabs are set so the sidebar will still show for the help tour buttons
-            if (! isset($config['help_tabs']) && ! empty($tour_buttons)) {
+            if ( ! isset($config['help_tabs']) && ! empty($tour_buttons)) {
                 $_ht['id']      = $this->page_slug;
                 $_ht['title']   = esc_html__('Help Tours', 'event_espresso');
                 $_ht['content'] = '<p>'
                                   . esc_html__(
                                       'The buttons to the right allow you to start/restart any help tours available for this page',
                                       'event_espresso'
-                                  ) . '</p>';
+                                  ).'</p>';
                 $this->_current_screen->add_help_tab($_ht);
             }
-            if (! isset($config['help_tabs'])) {
+            if ( ! isset($config['help_tabs'])) {
                 return;
             } //no help tabs for this route
             foreach ((array) $config['help_tabs'] as $tab_id => $cfg) {
                 // we're here so there ARE help tabs!
                 // make sure we've got what we need
-                if (! isset($cfg['title'])) {
+                if ( ! isset($cfg['title'])) {
                     throw new EE_Error(
                         esc_html__(
                             'The _page_config array is not set up properly for help tabs.  It is missing a title',
@@ -1275,7 +1275,7 @@ 
                         )
                     );
                 }
-                if (! isset($cfg['filename']) && ! isset($cfg['callback']) && ! isset($cfg['content'])) {
+                if ( ! isset($cfg['filename']) && ! isset($cfg['callback']) && ! isset($cfg['content'])) {
                     throw new EE_Error(
                         esc_html__(
                             'The _page_config array is not setup properly for help tabs. It is missing a either a filename reference, or a callback reference or a content reference so there is no way to know the content for the help tab',
@@ -1284,11 +1284,11 @@ 
                     );
                 }
                 // first priority goes to content.
-                if (! empty($cfg['content'])) {
+                if ( ! empty($cfg['content'])) {
                     $content = ! empty($cfg['content']) ? $cfg['content'] : null;
                     // second priority goes to filename
-                } elseif (! empty($cfg['filename'])) {
-                    $file_path = $this->_get_dir() . '/help_tabs/' . $cfg['filename'] . '.help_tab.php';
+                } elseif ( ! empty($cfg['filename'])) {
+                    $file_path = $this->_get_dir().'/help_tabs/'.$cfg['filename'].'.help_tab.php';
                     // it's possible that the file is located on decaf route (and above sets up for caf route, if this is the case then lets check decaf route too)
                     $file_path = ! is_readable($file_path) ? EE_ADMIN_PAGES
                                                              . basename($this->_get_dir())
@@ -1296,7 +1296,7 @@ 
                                                              . $cfg['filename']
                                                              . '.help_tab.php' : $file_path;
                     // if file is STILL not readable then let's do a EE_Error so its more graceful than a fatal error.
-                    if (! isset($cfg['callback']) && ! is_readable($file_path)) {
+                    if ( ! isset($cfg['callback']) && ! is_readable($file_path)) {
                         EE_Error::add_error(
                             sprintf(
                                 esc_html__(
@@ -1344,7 +1344,7 @@ 
                     return;
                 }
                 // setup config array for help tab method
-                $id  = $this->page_slug . '-' . $this->_req_action . '-' . $tab_id;
+                $id  = $this->page_slug.'-'.$this->_req_action.'-'.$tab_id;
                 $_ht = [
                     'id'       => $id,
                     'title'    => $cfg['title'],
@@ -1471,8 +1471,8 @@ 
             $qtips = (array) $this->_route_config['qtips'];
             // load qtip loader
             $path = [
-                $this->_get_dir() . '/qtips/',
-                EE_ADMIN_PAGES . basename($this->_get_dir()) . '/qtips/',
+                $this->_get_dir().'/qtips/',
+                EE_ADMIN_PAGES.basename($this->_get_dir()).'/qtips/',
             ];
             EEH_Qtip_Loader::instance()->register($qtips, $path);
         }
@@ -1494,7 +1494,7 @@ 
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
         $i = 0;
         foreach ($this->_page_config as $slug => $config) {
-            if (! is_array($config) || empty($config['nav'])) {
+            if ( ! is_array($config) || empty($config['nav'])) {
                 continue;
             }
             // no nav tab for this config
@@ -1503,12 +1503,12 @@ 
                 // nav tab is only to appear when route requested.
                 continue;
             }
-            if (! $this->check_user_access($slug, true)) {
+            if ( ! $this->check_user_access($slug, true)) {
                 // no nav tab because current user does not have access.
                 continue;
             }
-            $css_class                = isset($config['css_class']) ? $config['css_class'] . ' ' : '';
-            $this->_nav_tabs[ $slug ] = [
+            $css_class                = isset($config['css_class']) ? $config['css_class'].' ' : '';
+            $this->_nav_tabs[$slug] = [
                 'url'       => isset($config['nav']['url'])
                     ? $config['nav']['url']
                     : self::add_query_args_and_nonce(
@@ -1520,14 +1520,14 @@ 
                     : ucwords(
                         str_replace('_', ' ', $slug)
                     ),
-                'css_class' => $this->_req_action === $slug ? $css_class . 'nav-tab-active' : $css_class,
+                'css_class' => $this->_req_action === $slug ? $css_class.'nav-tab-active' : $css_class,
                 'order'     => isset($config['nav']['order']) ? $config['nav']['order'] : $i,
             ];
             $i++;
         }
         // if $this->_nav_tabs is empty then lets set the default
         if (empty($this->_nav_tabs)) {
-            $this->_nav_tabs[ $this->_default_nav_tab_name ] = [
+            $this->_nav_tabs[$this->_default_nav_tab_name] = [
                 'url'       => $this->_admin_base_url,
                 'link_text' => ucwords(str_replace('_', ' ', $this->_default_nav_tab_name)),
                 'css_class' => 'nav-tab-active',
@@ -1552,10 +1552,10 @@ 
             foreach ($this->_route_config['labels'] as $label => $text) {
                 if (is_array($text)) {
                     foreach ($text as $sublabel => $subtext) {
-                        $this->_labels[ $label ][ $sublabel ] = $subtext;
+                        $this->_labels[$label][$sublabel] = $subtext;
                     }
                 } else {
-                    $this->_labels[ $label ] = $text;
+                    $this->_labels[$label] = $text;
                 }
             }
         }
@@ -1577,12 +1577,12 @@ 
     {
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
         $route_to_check = empty($route_to_check) ? $this->_req_action : $route_to_check;
-        $capability     = ! empty($route_to_check) && isset($this->_page_routes[ $route_to_check ])
+        $capability     = ! empty($route_to_check) && isset($this->_page_routes[$route_to_check])
                           && is_array(
-                              $this->_page_routes[ $route_to_check ]
+                              $this->_page_routes[$route_to_check]
                           )
-                          && ! empty($this->_page_routes[ $route_to_check ]['capability'])
-            ? $this->_page_routes[ $route_to_check ]['capability'] : null;
+                          && ! empty($this->_page_routes[$route_to_check]['capability'])
+            ? $this->_page_routes[$route_to_check]['capability'] : null;
         if (empty($capability) && empty($route_to_check)) {
             $capability = is_array($this->_route) && empty($this->_route['capability']) ? 'manage_options'
                 : $this->_route['capability'];
@@ -1707,7 +1707,7 @@ 
         //     echo implode('<br />', $this->_help_tour[ $this->_req_action ]);
         // }
         // current set timezone for timezone js
-        echo '<span id="current_timezone" class="hidden">' . esc_html(EEH_DTT_Helper::get_timezone()) . '</span>';
+        echo '<span id="current_timezone" class="hidden">'.esc_html(EEH_DTT_Helper::get_timezone()).'</span>';
     }
 
 
@@ -1741,7 +1741,7 @@ 
         // loop through the array and setup content
         foreach ($help_array as $trigger => $help) {
             // make sure the array is setup properly
-            if (! isset($help['title']) || ! isset($help['content'])) {
+            if ( ! isset($help['title']) || ! isset($help['content'])) {
                 throw new EE_Error(
                     esc_html__(
                         'Does not look like the popup content array has been setup correctly.  Might want to double check that.  Read the comments for the _get_help_popup_content method found in "EE_Admin_Page" class',
@@ -1755,8 +1755,8 @@ 
                 'help_popup_title'   => $help['title'],
                 'help_popup_content' => $help['content'],
             ];
-            $content       .= EEH_Template::display_template(
-                EE_ADMIN_TEMPLATE . 'admin_help_popup.template.php',
+            $content .= EEH_Template::display_template(
+                EE_ADMIN_TEMPLATE.'admin_help_popup.template.php',
                 $template_args,
                 true
             );
@@ -1778,15 +1778,15 @@ 
     private function _get_help_content()
     {
         // what is the method we're looking for?
-        $method_name = '_help_popup_content_' . $this->_req_action;
+        $method_name = '_help_popup_content_'.$this->_req_action;
         // if method doesn't exist let's get out.
-        if (! method_exists($this, $method_name)) {
+        if ( ! method_exists($this, $method_name)) {
             return [];
         }
         // k we're good to go let's retrieve the help array
         $help_array = call_user_func([$this, $method_name]);
         // make sure we've got an array!
-        if (! is_array($help_array)) {
+        if ( ! is_array($help_array)) {
             throw new EE_Error(
                 esc_html__(
                     'Something went wrong with help popup content generation. Expecting an array and well, this ain\'t no array bub.',
@@ -1818,15 +1818,15 @@ 
         // let's check and see if there is any content set for this popup.  If there isn't then we'll include a default title and content so that developers know something needs to be corrected
         $help_array   = $this->_get_help_content();
         $help_content = '';
-        if (empty($help_array) || ! isset($help_array[ $trigger_id ])) {
-            $help_array[ $trigger_id ] = [
+        if (empty($help_array) || ! isset($help_array[$trigger_id])) {
+            $help_array[$trigger_id] = [
                 'title'   => esc_html__('Missing Content', 'event_espresso'),
                 'content' => esc_html__(
                     'A trigger has been set that doesn\'t have any corresponding content. Make sure you have set the help content. (see the "_set_help_popup_content" method in the EE_Admin_Page for instructions.)',
                     'event_espresso'
                 ),
             ];
-            $help_content              = $this->_set_help_popup_content($help_array, false);
+            $help_content = $this->_set_help_popup_content($help_array, false);
         }
         // let's setup the trigger
         $content = '<a class="ee-dialog" href="?height='
@@ -1894,15 +1894,15 @@ 
         // register all styles
         wp_register_style(
             'espresso-ui-theme',
-            EE_GLOBAL_ASSETS_URL . 'css/espresso-ui-theme/jquery-ui-1.10.3.custom.min.css',
+            EE_GLOBAL_ASSETS_URL.'css/espresso-ui-theme/jquery-ui-1.10.3.custom.min.css',
             [],
             EVENT_ESPRESSO_VERSION
         );
-        wp_register_style('ee-admin-css', EE_ADMIN_URL . 'assets/ee-admin-page.css', [], EVENT_ESPRESSO_VERSION);
+        wp_register_style('ee-admin-css', EE_ADMIN_URL.'assets/ee-admin-page.css', [], EVENT_ESPRESSO_VERSION);
         // helpers styles
         wp_register_style(
             'ee-text-links',
-            EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.css',
+            EE_PLUGIN_DIR_URL.'core/helpers/assets/ee_text_list_helper.css',
             [],
             EVENT_ESPRESSO_VERSION
         );
@@ -1910,21 +1910,21 @@ 
         // register all scripts
         wp_register_script(
             'ee-dialog',
-            EE_ADMIN_URL . 'assets/ee-dialog-helper.js',
+            EE_ADMIN_URL.'assets/ee-dialog-helper.js',
             ['jquery', 'jquery-ui-draggable'],
             EVENT_ESPRESSO_VERSION,
             true
         );
         wp_register_script(
             'ee_admin_js',
-            EE_ADMIN_URL . 'assets/ee-admin-page.js',
+            EE_ADMIN_URL.'assets/ee-admin-page.js',
             ['espresso_core', 'ee-parse-uri', 'ee-dialog'],
             EVENT_ESPRESSO_VERSION,
             true
         );
         wp_register_script(
             'jquery-ui-timepicker-addon',
-            EE_GLOBAL_ASSETS_URL . 'scripts/jquery-ui-timepicker-addon.js',
+            EE_GLOBAL_ASSETS_URL.'scripts/jquery-ui-timepicker-addon.js',
             ['jquery-ui-datepicker', 'jquery-ui-slider'],
             EVENT_ESPRESSO_VERSION,
             true
@@ -1936,7 +1936,7 @@ 
         // script for sorting tables
         wp_register_script(
             'espresso_ajax_table_sorting',
-            EE_ADMIN_URL . 'assets/espresso_ajax_table_sorting.js',
+            EE_ADMIN_URL.'assets/espresso_ajax_table_sorting.js',
             ['ee_admin_js', 'jquery-ui-sortable'],
             EVENT_ESPRESSO_VERSION,
             true
@@ -1944,7 +1944,7 @@ 
         // script for parsing uri's
         wp_register_script(
             'ee-parse-uri',
-            EE_GLOBAL_ASSETS_URL . 'scripts/parseuri.js',
+            EE_GLOBAL_ASSETS_URL.'scripts/parseuri.js',
             [],
             EVENT_ESPRESSO_VERSION,
             true
@@ -1952,7 +1952,7 @@ 
         // and parsing associative serialized form elements
         wp_register_script(
             'ee-serialize-full-array',
-            EE_GLOBAL_ASSETS_URL . 'scripts/jquery.serializefullarray.js',
+            EE_GLOBAL_ASSETS_URL.'scripts/jquery.serializefullarray.js',
             ['jquery'],
             EVENT_ESPRESSO_VERSION,
             true
@@ -1960,28 +1960,28 @@ 
         // helpers scripts
         wp_register_script(
             'ee-text-links',
-            EE_PLUGIN_DIR_URL . 'core/helpers/assets/ee_text_list_helper.js',
+            EE_PLUGIN_DIR_URL.'core/helpers/assets/ee_text_list_helper.js',
             ['jquery'],
             EVENT_ESPRESSO_VERSION,
             true
         );
         wp_register_script(
             'ee-moment-core',
-            EE_THIRD_PARTY_URL . 'moment/moment-with-locales.min.js',
+            EE_THIRD_PARTY_URL.'moment/moment-with-locales.min.js',
             [],
             EVENT_ESPRESSO_VERSION,
             true
         );
         wp_register_script(
             'ee-moment',
-            EE_THIRD_PARTY_URL . 'moment/moment-timezone-with-data.min.js',
+            EE_THIRD_PARTY_URL.'moment/moment-timezone-with-data.min.js',
             ['ee-moment-core'],
             EVENT_ESPRESSO_VERSION,
             true
         );
         wp_register_script(
             'ee-datepicker',
-            EE_ADMIN_URL . 'assets/ee-datepicker.js',
+            EE_ADMIN_URL.'assets/ee-datepicker.js',
             ['jquery-ui-timepicker-addon', 'ee-moment'],
             EVENT_ESPRESSO_VERSION,
             true
@@ -2042,7 +2042,7 @@ 
 
         add_filter(
             'admin_body_class',
-            function ($classes) {
+            function($classes) {
                 if (strpos($classes, 'espresso-admin') === false) {
                     $classes .= ' espresso-admin';
                 }
@@ -2130,12 +2130,12 @@ 
     protected function _set_list_table()
     {
         // first is this a list_table view?
-        if (! isset($this->_route_config['list_table'])) {
+        if ( ! isset($this->_route_config['list_table'])) {
             return;
         } //not a list_table view so get out.
         // list table functions are per view specific (because some admin pages might have more than one list table!)
-        $list_table_view = '_set_list_table_views_' . $this->_req_action;
-        if (! method_exists($this, $list_table_view) || $this->{$list_table_view}() === false) {
+        $list_table_view = '_set_list_table_views_'.$this->_req_action;
+        if ( ! method_exists($this, $list_table_view) || $this->{$list_table_view}() === false) {
             // user error msg
             $error_msg = esc_html__(
                 'An error occurred. The requested list table views could not be found.',
@@ -2155,10 +2155,10 @@ 
         }
         // let's provide the ability to filter the views per PAGE AND ROUTE, per PAGE, and globally
         $this->_views = apply_filters(
-            'FHEE_list_table_views_' . $this->page_slug . '_' . $this->_req_action,
+            'FHEE_list_table_views_'.$this->page_slug.'_'.$this->_req_action,
             $this->_views
         );
-        $this->_views = apply_filters('FHEE_list_table_views_' . $this->page_slug, $this->_views);
+        $this->_views = apply_filters('FHEE_list_table_views_'.$this->page_slug, $this->_views);
         $this->_views = apply_filters('FHEE_list_table_views', $this->_views);
         $this->_set_list_table_view();
         $this->_set_list_table_object();
@@ -2193,7 +2193,7 @@ 
     protected function _set_list_table_object()
     {
         if (isset($this->_route_config['list_table'])) {
-            if (! class_exists($this->_route_config['list_table'])) {
+            if ( ! class_exists($this->_route_config['list_table'])) {
                 throw new EE_Error(
                     sprintf(
                         esc_html__(
@@ -2231,15 +2231,15 @@ 
         foreach ($this->_views as $key => $view) {
             $query_args = [];
             // check for current view
-            $this->_views[ $key ]['class']               = $this->_view === $view['slug'] ? 'current' : '';
+            $this->_views[$key]['class']               = $this->_view === $view['slug'] ? 'current' : '';
             $query_args['action']                        = $this->_req_action;
-            $query_args[ $this->_req_action . '_nonce' ] = wp_create_nonce($query_args['action'] . '_nonce');
+            $query_args[$this->_req_action.'_nonce'] = wp_create_nonce($query_args['action'].'_nonce');
             $query_args['status']                        = $view['slug'];
             // merge any other arguments sent in.
-            if (isset($extra_query_args[ $view['slug'] ])) {
-                $query_args = array_merge($query_args, $extra_query_args[ $view['slug'] ]);
+            if (isset($extra_query_args[$view['slug']])) {
+                $query_args = array_merge($query_args, $extra_query_args[$view['slug']]);
             }
-            $this->_views[ $key ]['url'] = EE_Admin_Page::add_query_args_and_nonce($query_args, $this->_admin_base_url);
+            $this->_views[$key]['url'] = EE_Admin_Page::add_query_args_and_nonce($query_args, $this->_admin_base_url);
         }
         return $this->_views;
     }
@@ -2270,14 +2270,14 @@ 
 					<select id="entries-per-page-slct" name="entries-per-page-slct">';
         foreach ($values as $value) {
             if ($value < $max_entries) {
-                $selected                  = $value === $per_page ? ' selected="' . $per_page . '"' : '';
+                $selected = $value === $per_page ? ' selected="'.$per_page.'"' : '';
                 $entries_per_page_dropdown .= '
-						<option value="' . $value . '"' . $selected . '>' . $value . '&nbsp;&nbsp;</option>';
+						<option value="' . $value.'"'.$selected.'>'.$value.'&nbsp;&nbsp;</option>';
             }
         }
-        $selected                  = $max_entries === $per_page ? ' selected="' . $per_page . '"' : '';
+        $selected = $max_entries === $per_page ? ' selected="'.$per_page.'"' : '';
         $entries_per_page_dropdown .= '
-						<option value="' . $max_entries . '"' . $selected . '>All&nbsp;&nbsp;</option>';
+						<option value="' . $max_entries.'"'.$selected.'>All&nbsp;&nbsp;</option>';
         $entries_per_page_dropdown .= '
 					</select>
 					entries
@@ -2301,7 +2301,7 @@ 
             empty($this->_search_btn_label) ? $this->page_label
                 : $this->_search_btn_label
         );
-        $this->_template_args['search']['callback']  = 'search_' . $this->page_slug;
+        $this->_template_args['search']['callback'] = 'search_'.$this->page_slug;
     }
 
 
@@ -2389,7 +2389,7 @@ 
             $total_columns                                       = ! empty($screen_columns)
                 ? $screen_columns
                 : $this->_route_config['columns'][1];
-            $this->_template_args['current_screen_widget_class'] = 'columns-' . $total_columns;
+            $this->_template_args['current_screen_widget_class'] = 'columns-'.$total_columns;
             $this->_template_args['current_page']                = $this->_wp_page_slug;
             $this->_template_args['screen']                      = $this->_current_screen;
             $this->_column_template_path                         = EE_ADMIN_TEMPLATE
@@ -2434,7 +2434,7 @@ 
      */
     protected function _espresso_ratings_request()
     {
-        if (! apply_filters('FHEE_show_ratings_request_meta_box', true)) {
+        if ( ! apply_filters('FHEE_show_ratings_request_meta_box', true)) {
             return;
         }
         $ratings_box_title = apply_filters(
@@ -2462,7 +2462,7 @@ 
     public function espresso_ratings_request()
     {
         EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'espresso_ratings_request_content.template.php',
+            EE_ADMIN_TEMPLATE.'espresso_ratings_request_content.template.php',
             []
         );
     }
@@ -2470,22 +2470,22 @@ 
 
     public static function cached_rss_display($rss_id, $url)
     {
-        $loading   = '<p class="widget-loading hide-if-no-js">'
+        $loading = '<p class="widget-loading hide-if-no-js">'
                      . esc_html__('Loading&#8230;', 'event_espresso')
                      . '</p><p class="hide-if-js">'
                      . esc_html__('This widget requires JavaScript.', 'event_espresso')
                      . '</p>';
-        $pre       = '<div class="espresso-rss-display">' . "\n\t";
-        $pre       .= '<span id="' . esc_attr($rss_id) . '_url" class="hidden">' . esc_url_raw($url) . '</span>';
-        $post      = '</div>' . "\n";
-        $cache_key = 'ee_rss_' . md5($rss_id);
+        $pre       = '<div class="espresso-rss-display">'."\n\t";
+        $pre .= '<span id="'.esc_attr($rss_id).'_url" class="hidden">'.esc_url_raw($url).'</span>';
+        $post      = '</div>'."\n";
+        $cache_key = 'ee_rss_'.md5($rss_id);
         $output    = get_transient($cache_key);
         if ($output !== false) {
-            echo $pre . $output . $post; // already escaped
+            echo $pre.$output.$post; // already escaped
             return true;
         }
-        if (! (defined('DOING_AJAX') && DOING_AJAX)) {
-            echo $pre . $loading . $post; // already escaped
+        if ( ! (defined('DOING_AJAX') && DOING_AJAX)) {
+            echo $pre.$loading.$post; // already escaped
             return false;
         }
         ob_start();
@@ -2552,19 +2552,19 @@ 
     public function espresso_sponsors_post_box()
     {
         EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'admin_general_metabox_contents_espresso_sponsors.template.php'
+            EE_ADMIN_TEMPLATE.'admin_general_metabox_contents_espresso_sponsors.template.php'
         );
     }
 
 
     private function _publish_post_box()
     {
-        $meta_box_ref = 'espresso_' . $this->page_slug . '_editor_overview';
+        $meta_box_ref = 'espresso_'.$this->page_slug.'_editor_overview';
         // if there is a array('label' => array('publishbox' => 'some title') ) present in the _page_config array
         // then we'll use that for the metabox label.
         // Otherwise we'll just use publish (publishbox itself could be an array of labels indexed by routes)
-        if (! empty($this->_labels['publishbox'])) {
-            $box_label = is_array($this->_labels['publishbox']) ? $this->_labels['publishbox'][ $this->_req_action ]
+        if ( ! empty($this->_labels['publishbox'])) {
+            $box_label = is_array($this->_labels['publishbox']) ? $this->_labels['publishbox'][$this->_req_action]
                 : $this->_labels['publishbox'];
         } else {
             $box_label = esc_html__('Publish', 'event_espresso');
@@ -2593,7 +2593,7 @@ 
             ? $this->_template_args['publish_box_extra_content']
             : '';
         echo EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'admin_details_publish_metabox.template.php',
+            EE_ADMIN_TEMPLATE.'admin_details_publish_metabox.template.php',
             $this->_template_args,
             true
         );
@@ -2685,18 +2685,18 @@ 
             );
         }
         $this->_template_args['publish_delete_link'] = ! empty($id) ? $delete : '';
-        if (! empty($name) && ! empty($id)) {
-            $hidden_field_arr[ $name ] = [
+        if ( ! empty($name) && ! empty($id)) {
+            $hidden_field_arr[$name] = [
                 'type'  => 'hidden',
                 'value' => $id,
             ];
-            $hf                        = $this->_generate_admin_form_fields($hidden_field_arr, 'array');
+            $hf = $this->_generate_admin_form_fields($hidden_field_arr, 'array');
         } else {
             $hf = '';
         }
         // add hidden field
         $this->_template_args['publish_hidden_fields'] = is_array($hf) && ! empty($name)
-            ? $hf[ $name ]['field']
+            ? $hf[$name]['field']
             : $hf;
     }
 
@@ -2798,7 +2798,7 @@ 
         }
         // if $create_func is true (default) then we automatically create the function for displaying the actual meta box.  If false then we take the $callback reference passed through and use it instead (so callers can define their own callback function/method if they wish)
         $call_back_func = $create_func
-            ? function ($post, $metabox) {
+            ? function($post, $metabox) {
                 do_action('AHEE_log', __FILE__, __FUNCTION__, '');
                 echo EEH_Template::display_template(
                     $metabox['args']['template_path'],
@@ -2808,7 +2808,7 @@ 
             }
             : $callback;
         add_meta_box(
-            str_replace('_', '-', $action) . '-mbox',
+            str_replace('_', '-', $action).'-mbox',
             $title,
             $call_back_func,
             $this->_wp_page_slug,
@@ -2900,9 +2900,9 @@ 
             : 'espresso-default-admin';
         $template_path                                     = $sidebar
             ? EE_ADMIN_TEMPLATE . 'admin_details_wrapper.template.php'
-            : EE_ADMIN_TEMPLATE . 'admin_details_wrapper_no_sidebar.template.php';
+            : EE_ADMIN_TEMPLATE.'admin_details_wrapper_no_sidebar.template.php';
         if ($this->request->isAjax()) {
-            $template_path = EE_ADMIN_TEMPLATE . 'admin_details_wrapper_no_sidebar_ajax.template.php';
+            $template_path = EE_ADMIN_TEMPLATE.'admin_details_wrapper_no_sidebar_ajax.template.php';
         }
         $template_path                                     = ! empty($this->_column_template_path)
             ? $this->_column_template_path : $template_path;
@@ -2942,11 +2942,11 @@ 
     public function display_admin_caf_preview_page($utm_campaign_source = '', $display_sidebar = true)
     {
         // let's generate a default preview action button if there isn't one already present.
-        $this->_labels['buttons']['buy_now']           = esc_html__(
+        $this->_labels['buttons']['buy_now'] = esc_html__(
             'Upgrade to Event Espresso 4 Right Now',
             'event_espresso'
         );
-        $buy_now_url                                   = add_query_arg(
+        $buy_now_url = add_query_arg(
             [
                 'ee_ver'       => 'ee4',
                 'utm_source'   => 'ee4_plugin_admin',
@@ -2966,8 +2966,8 @@ 
                 true
             )
             : $this->_template_args['preview_action_button'];
-        $this->_template_args['admin_page_content']    = EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'admin_caf_full_page_preview.template.php',
+        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
+            EE_ADMIN_TEMPLATE.'admin_caf_full_page_preview.template.php',
             $this->_template_args,
             true
         );
@@ -3016,7 +3016,7 @@ 
         // setup search attributes
         $this->_set_search_attributes();
         $this->_template_args['current_page']     = $this->_wp_page_slug;
-        $template_path                            = EE_ADMIN_TEMPLATE . 'admin_list_wrapper.template.php';
+        $template_path                            = EE_ADMIN_TEMPLATE.'admin_list_wrapper.template.php';
         $this->_template_args['table_url']        = $this->request->isAjax()
             ? add_query_arg(['noheader' => 'true', 'route' => $this->_req_action], $this->_admin_base_url)
             : add_query_arg(['route' => $this->_req_action], $this->_admin_base_url);
@@ -3024,10 +3024,10 @@ 
         $this->_template_args['current_route']    = $this->_req_action;
         $this->_template_args['list_table_class'] = get_class($this->_list_table_object);
         $ajax_sorting_callback                    = $this->_list_table_object->get_ajax_sorting_callback();
-        if (! empty($ajax_sorting_callback)) {
+        if ( ! empty($ajax_sorting_callback)) {
             $sortable_list_table_form_fields = wp_nonce_field(
-                $ajax_sorting_callback . '_nonce',
-                $ajax_sorting_callback . '_nonce',
+                $ajax_sorting_callback.'_nonce',
+                $ajax_sorting_callback.'_nonce',
                 false,
                 false
             );
@@ -3045,20 +3045,20 @@ 
             isset($this->_template_args['list_table_hidden_fields'])
                 ? $this->_template_args['list_table_hidden_fields']
                 : '';
-        $nonce_ref                                               = $this->_req_action . '_nonce';
-        $hidden_form_fields                                      .= '<input type="hidden" name="'
+        $nonce_ref = $this->_req_action.'_nonce';
+        $hidden_form_fields .= '<input type="hidden" name="'
                                                                     . $nonce_ref
                                                                     . '" value="'
                                                                     . wp_create_nonce($nonce_ref)
                                                                     . '">';
-        $this->_template_args['list_table_hidden_fields']        = $hidden_form_fields;
+        $this->_template_args['list_table_hidden_fields'] = $hidden_form_fields;
         // display message about search results?
         $search = $this->request->getRequestParam('s');
         $this->_template_args['before_list_table'] .= ! empty($search)
-            ? '<p class="ee-search-results">' . sprintf(
+            ? '<p class="ee-search-results">'.sprintf(
                 esc_html__('Displaying search results for the search string: %1$s', 'event_espresso'),
                 trim($search, '%')
-            ) . '</p>'
+            ).'</p>'
             : '';
         // filter before_list_table template arg
         $this->_template_args['before_list_table'] = apply_filters(
@@ -3092,7 +3092,7 @@ 
         // convert to array and filter again
         // arrays are easier to inject new items in a specific location,
         // but would not be backwards compatible, so we have to add a new filter
-        $this->_template_args['after_list_table']   = implode(
+        $this->_template_args['after_list_table'] = implode(
             " \n",
             (array) apply_filters(
                 'FHEE__EE_Admin_Page___display_admin_list_table_page__after_list_table__template_args_array',
@@ -3139,7 +3139,7 @@ 
             $this
         );
         return EEH_Template::display_template(
-            EE_ADMIN_TEMPLATE . 'admin_details_legend.template.php',
+            EE_ADMIN_TEMPLATE.'admin_details_legend.template.php',
             $this->_template_args,
             true
         );
@@ -3246,17 +3246,17 @@ 
                 ? $this->_template_args['before_admin_page_content']
                 : ''
         );
-        $this->_template_args['after_admin_page_content']  = apply_filters(
+        $this->_template_args['after_admin_page_content'] = apply_filters(
             "FHEE_after_admin_page_content{$this->_current_page}{$this->_current_view}",
             isset($this->_template_args['after_admin_page_content'])
                 ? $this->_template_args['after_admin_page_content']
                 : ''
         );
-        $this->_template_args['after_admin_page_content']  .= $this->_set_help_popup_content();
+        $this->_template_args['after_admin_page_content'] .= $this->_set_help_popup_content();
         // load settings page wrapper template
         $template_path = ! $this->request->isAjax()
             ? EE_ADMIN_TEMPLATE . 'admin_wrapper.template.php'
-            : EE_ADMIN_TEMPLATE . 'admin_wrapper_ajax.template.php';
+            : EE_ADMIN_TEMPLATE.'admin_wrapper_ajax.template.php';
         // about page?
         $template_path = $about
             ? EE_ADMIN_TEMPLATE . 'about_admin_wrapper.template.php'
@@ -3350,7 +3350,7 @@ 
             : '<input type="hidden" id="save_and_close_referrer" name="save_and_close_referrer" value="'
               . $referrer
               . '" />';
-        $button_text   = ! empty($text)
+        $button_text = ! empty($text)
             ? $text
             : [
                 esc_html__('Save', 'event_espresso'),
@@ -3360,17 +3360,17 @@ 
         // add in a hidden index for the current page (so save and close redirects properly)
         $this->_template_args['save_buttons'] = $referrer_url;
         foreach ($button_text as $key => $button) {
-            $ref                                  = $default_names[ $key ];
+            $ref = $default_names[$key];
             $this->_template_args['save_buttons'] .= '<input type="submit" class="button-primary '
                                                      . $ref
                                                      . '" value="'
                                                      . $button
                                                      . '" name="'
-                                                     . (! empty($actions) ? $actions[ $key ] : $ref)
+                                                     . ( ! empty($actions) ? $actions[$key] : $ref)
                                                      . '" id="'
-                                                     . $this->_current_view . '_' . $ref
+                                                     . $this->_current_view.'_'.$ref
                                                      . '" />';
-            if (! $both) {
+            if ( ! $both) {
                 break;
             }
         }
@@ -3405,13 +3405,13 @@ 
                 'An error occurred. No action was set for this page\'s form.',
                 'event_espresso'
             );
-            $dev_msg  = $user_msg . "\n"
+            $dev_msg = $user_msg."\n"
                         . sprintf(
                             esc_html__('The $route argument is required for the %s->%s method.', 'event_espresso'),
                             __FUNCTION__,
                             __CLASS__
                         );
-            EE_Error::add_error($user_msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
+            EE_Error::add_error($user_msg.'||'.$dev_msg, __FILE__, __FUNCTION__, __LINE__);
         }
         // open form
         $this->_template_args['before_admin_page_content'] = '<form name="form" method="post" action="'
@@ -3420,9 +3420,9 @@ 
                                                              . $route
                                                              . '_event_form" >';
         // add nonce
-        $nonce                                             =
-            wp_nonce_field($route . '_nonce', $route . '_nonce', false, false);
-        $this->_template_args['before_admin_page_content'] .= "\n\t" . $nonce;
+        $nonce =
+            wp_nonce_field($route.'_nonce', $route.'_nonce', false, false);
+        $this->_template_args['before_admin_page_content'] .= "\n\t".$nonce;
         // add REQUIRED form action
         $hidden_fields = [
             'action' => ['type' => 'hidden', 'value' => $route],
@@ -3435,7 +3435,7 @@ 
         $form_fields = $this->_generate_admin_form_fields($hidden_fields, 'array');
         // add fields to form
         foreach ((array) $form_fields as $field_name => $form_field) {
-            $this->_template_args['before_admin_page_content'] .= "\n\t" . $form_field['field'];
+            $this->_template_args['before_admin_page_content'] .= "\n\t".$form_field['field'];
         }
         // close form
         $this->_template_args['after_admin_page_content'] = '</form>';
@@ -3526,10 +3526,10 @@ 
         $redirect_url = isset($query_args['page']) ? admin_url('admin.php') : $this->_admin_base_url;
         $notices      = EE_Error::get_notices(false);
         // overwrite default success messages //BUT ONLY if overwrite not overridden
-        if (! $override_overwrite || ! empty($notices['errors'])) {
+        if ( ! $override_overwrite || ! empty($notices['errors'])) {
             EE_Error::overwrite_success();
         }
-        if (! empty($what) && ! empty($action_desc) && empty($notices['errors'])) {
+        if ( ! empty($what) && ! empty($action_desc) && empty($notices['errors'])) {
             // how many records affected ? more than one record ? or just one ?
             if ($success > 1) {
                 // set plural msg
@@ -3558,7 +3558,7 @@ 
             }
         }
         // check that $query_args isn't something crazy
-        if (! is_array($query_args)) {
+        if ( ! is_array($query_args)) {
             $query_args = [];
         }
         /**
@@ -3587,7 +3587,7 @@ 
             $redirect_url = admin_url('admin.php');
         }
         // merge any default query_args set in _default_route_query_args property
-        if (! empty($this->_default_route_query_args) && ! $this->_is_UI_request) {
+        if ( ! empty($this->_default_route_query_args) && ! $this->_is_UI_request) {
             $args_to_merge = [];
             foreach ($this->_default_route_query_args as $query_param => $query_value) {
                 // is there a wp_referer array in our _default_route_query_args property?
@@ -3599,15 +3599,15 @@ 
                         }
                         // finally we will override any arguments in the referer with
                         // what might be set on the _default_route_query_args array.
-                        if (isset($this->_default_route_query_args[ $reference ])) {
-                            $args_to_merge[ $reference ] = urlencode($this->_default_route_query_args[ $reference ]);
+                        if (isset($this->_default_route_query_args[$reference])) {
+                            $args_to_merge[$reference] = urlencode($this->_default_route_query_args[$reference]);
                         } else {
-                            $args_to_merge[ $reference ] = urlencode($value);
+                            $args_to_merge[$reference] = urlencode($value);
                         }
                     }
                     continue;
                 }
-                $args_to_merge[ $query_param ] = $query_value;
+                $args_to_merge[$query_param] = $query_value;
             }
             // now let's merge these arguments but override with what was specifically sent in to the
             // redirect.
@@ -3619,19 +3619,19 @@ 
         if (isset($query_args['action'])) {
             // manually generate wp_nonce and merge that with the query vars
             // becuz the wp_nonce_url function wrecks havoc on some vars
-            $query_args['_wpnonce'] = wp_create_nonce($query_args['action'] . '_nonce');
+            $query_args['_wpnonce'] = wp_create_nonce($query_args['action'].'_nonce');
         }
         // we're adding some hooks and filters in here for processing any things just before redirects
         // (example: an admin page has done an insert or update and we want to run something after that).
-        do_action('AHEE_redirect_' . $classname . $this->_req_action, $query_args);
+        do_action('AHEE_redirect_'.$classname.$this->_req_action, $query_args);
         $redirect_url = apply_filters(
-            'FHEE_redirect_' . $classname . $this->_req_action,
+            'FHEE_redirect_'.$classname.$this->_req_action,
             self::add_query_args_and_nonce($query_args, $redirect_url),
             $query_args
         );
         // check if we're doing ajax.  If we are then lets just return the results and js can handle how it wants.
         if ($this->request->isAjax()) {
-            $default_data                    = [
+            $default_data = [
                 'close'        => true,
                 'redirect_url' => $redirect_url,
                 'where'        => 'main',
@@ -3678,7 +3678,7 @@ 
         }
         $this->_template_args['notices'] = EE_Error::get_notices();
         // IF this isn't ajax we need to create a transient for the notices using the route (however, overridden if $sticky_notices == true)
-        if (! $this->request->isAjax() || $sticky_notices) {
+        if ( ! $this->request->isAjax() || $sticky_notices) {
             $route = isset($query_args['action']) ? $query_args['action'] : 'default';
             $this->_add_transient(
                 $route,
@@ -3718,7 +3718,7 @@ 
         $exclude_nonce = false
     ) {
         // first let's validate the action (if $base_url is FALSE otherwise validation will happen further along)
-        if (empty($base_url) && ! isset($this->_page_routes[ $action ])) {
+        if (empty($base_url) && ! isset($this->_page_routes[$action])) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -3729,7 +3729,7 @@ 
                 )
             );
         }
-        if (! isset($this->_labels['buttons'][ $type ])) {
+        if ( ! isset($this->_labels['buttons'][$type])) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -3742,7 +3742,7 @@ 
         }
         // finally check user access for this button.
         $has_access = $this->check_user_access($action, true);
-        if (! $has_access) {
+        if ( ! $has_access) {
             return '';
         }
         $_base_url  = ! $base_url ? $this->_admin_base_url : $base_url;
@@ -3750,11 +3750,11 @@ 
             'action' => $action,
         ];
         // merge extra_request args but make sure our original action takes precedence and doesn't get overwritten.
-        if (! empty($extra_request)) {
+        if ( ! empty($extra_request)) {
             $query_args = array_merge($extra_request, $query_args);
         }
         $url = self::add_query_args_and_nonce($query_args, $_base_url, false, $exclude_nonce);
-        return EEH_Template::get_button_or_link($url, $this->_labels['buttons'][ $type ], $class);
+        return EEH_Template::get_button_or_link($url, $this->_labels['buttons'][$type], $class);
     }
 
 
@@ -3780,7 +3780,7 @@ 
                 'FHEE__EE_Admin_Page___per_page_screen_options__default',
                 20
             ),
-            'option'  => $this->_current_page . '_' . $this->_current_view . '_per_page',
+            'option'  => $this->_current_page.'_'.$this->_current_view.'_per_page',
         ];
         // ONLY add the screen option if the user has access to it.
         if ($this->check_user_access($this->_current_view, true)) {
@@ -3801,18 +3801,18 @@ 
     {
         if ($this->request->requestParamIsSet('wp_screen_options')) {
             check_admin_referer('screen-options-nonce', 'screenoptionnonce');
-            if (! $user = wp_get_current_user()) {
+            if ( ! $user = wp_get_current_user()) {
                 return;
             }
             $option = $this->request->getRequestParam('wp_screen_options[option]', '', 'key');
-            if (! $option) {
+            if ( ! $option) {
                 return;
             }
-            $value  = $this->request->getRequestParam('wp_screen_options[value]', 0, 'int');
+            $value = $this->request->getRequestParam('wp_screen_options[value]', 0, 'int');
             $map_option = $option;
             $option     = str_replace('-', '_', $option);
             switch ($map_option) {
-                case $this->_current_page . '_' . $this->_current_view . '_per_page':
+                case $this->_current_page.'_'.$this->_current_view.'_per_page':
                     $max_value = apply_filters(
                         'FHEE__EE_Admin_Page___set_per_page_screen_options__max_value',
                         999,
@@ -3869,13 +3869,13 @@ 
     protected function _add_transient($route, $data, $notices = false, $skip_route_verify = false)
     {
         $user_id = get_current_user_id();
-        if (! $skip_route_verify) {
+        if ( ! $skip_route_verify) {
             $this->_verify_route($route);
         }
         // now let's set the string for what kind of transient we're setting
         $transient = $notices
-            ? 'ee_rte_n_tx_' . $route . '_' . $user_id
-            : 'rte_tx_' . $route . '_' . $user_id;
+            ? 'ee_rte_n_tx_'.$route.'_'.$user_id
+            : 'rte_tx_'.$route.'_'.$user_id;
         $data      = $notices ? ['notices' => $data] : $data;
         // is there already a transient for this route?  If there is then let's ADD to that transient
         $existing = is_multisite() && is_network_admin()
@@ -3904,8 +3904,8 @@ 
         $user_id   = get_current_user_id();
         $route     = ! $route ? $this->_req_action : $route;
         $transient = $notices
-            ? 'ee_rte_n_tx_' . $route . '_' . $user_id
-            : 'rte_tx_' . $route . '_' . $user_id;
+            ? 'ee_rte_n_tx_'.$route.'_'.$user_id
+            : 'rte_tx_'.$route.'_'.$user_id;
         $data      = is_multisite() && is_network_admin()
             ? get_site_transient($transient)
             : get_transient($transient);
@@ -4136,7 +4136,7 @@ 
      */
     protected function _next_link($url, $class = 'dashicons dashicons-arrow-right')
     {
-        return '<a class="' . $class . '" href="' . $url . '"></a>';
+        return '<a class="'.$class.'" href="'.$url.'"></a>';
     }
 
 
@@ -4149,7 +4149,7 @@ 
      */
     protected function _previous_link($url, $class = 'dashicons dashicons-arrow-left')
     {
-        return '<a class="' . $class . '" href="' . $url . '"></a>';
+        return '<a class="'.$class.'" href="'.$url.'"></a>';
     }
 
 

core/admin/EE_Admin_Hooks.core.php

Indentation +754 added lines, -754 removed lines

@@ -16,758 +16,758 @@
 {
 
 
-    /**
-     * we're just going to use this to hold the name of the caller class (child class name)
-     *
-     * @var string
-     */
-    public $caller;
-
-
-    /**
-     * this is just a flag set automatically to indicate whether we've got an extended hook class running (i.e.
-     * espresso_events_Registration_Form_Hooks_Extend extends espresso_events_Registration_Form_Hooks).  This flag is
-     * used later to make sure we require the needed files.
-     *
-     * @var bool
-     */
-    protected $_extend;
-
-
-    /**
-     * child classes MUST set this property so that the page object can be loaded correctly
-     *
-     * @var string
-     */
-    protected $_name;
-
-
-    /**
-     * This is set by child classes and is an associative array of ajax hooks in the format:
-     * array(
-     *    'ajax_action_ref' => 'executing_method'; //must be public
-     * )
-     *
-     * @var array
-     */
-    protected $_ajax_func;
-
-
-    /**
-     * This is an array of methods that get executed on a page routes admin_init hook. Use the following format:
-     * array(
-     *    'page_route' => 'executing_method' //must be public
-     * )
-     *
-     * @var array
-     */
-    protected $_init_func;
-
-
-    /**
-     * This is an array of methods that output metabox content for the given page route.  Use the following format:
-     * [
-     *      0 => [
-     *          'page_route' => 'string_for_page_route',    must correspond to a page route in the class being connected
-     *                                                      with (i.e. "edit_event") If this is in an array then the
-     *                                                      same params below will be used but the metabox will be
-     *                                                      added to each route.
-     *          'func' =>  'executing_method',              must be public (i.e. public function executing_method
-     *                                                      ($post, $callback_args){} ).
-     *                                                      Note if you include callback args in the array then you
-     *                                                      need to declare them in the method arguments.
-     *          'id' => 'identifier_for_metabox',           so it can be removed by addons
-     *                                                      (optional, class will set it automatically)
-     *          'priority' => 'default',                    default 'default' (optional)
-     *          'label' => esc_html__('Localized Title', 'event_espresso'),
-     *          'context' => 'advanced'                     advanced is default (optional),
-     *      ]
-     *      'callback_args' => array() //any callback args to include (optional)
-     * ]
-     * Why are we indexing numerically?  Because it's possible there may be more than one metabox per page_route.
-     *
-     * @var array
-     */
-    protected $_metaboxes;
-
-
-    /**
-     * This is an array of values that indicate any metaboxes we want removed from a given page route.  Usually this is
-     * used when caffeinated functionality is replacing decaffeinated functionality.  Use the following format for the
-     * array: array(
-     *    0 => array(
-     *        'page_route' => 'string_for_page_route' //can be string or array of strings that match a page_route(s)
-     *        that are in the class being connected with (i.e. 'edit', or 'create_new').
-     *        'id' => 'identifier_for_metabox', //what the id is of the metabox being removed
-     *        'context' => 'normal', //the context for the metabox being removed (has to match)
-     *        'screen' => 'screen_id', //(optional), if not included then this class will attempt to remove the metabox
-     *        using the currently loaded screen object->id  however, there may be cases where you have to specify the
-     *        id for the screen the metabox is on.
-     *    )
-     * )
-     *
-     * @var array
-     */
-    protected $_remove_metaboxes;
-
-
-    /**
-     * This parent class takes care of loading the scripts and styles if the child class has set the properties for
-     * them in the following format.  Note, the first array index ('register') is for defining all the registers.  The
-     * second array index is for indicating what routes each script/style loads on. array(
-     * 'registers' => array(
-     *        'script_ref' => array( // if more than one script is to be loaded its best to use the 'dependency'
-     *        argument to link scripts together.
-     *            'type' => 'js' // 'js' or 'css' (defaults to js).  This tells us what type of wp_function to use
-     *            'url' => 'http://urltoscript.css.js',
-     *            'depends' => array('jquery'), //an array of dependencies for the scripts. REMEMBER, if a script has
-     *            already been registered elsewhere in the system.  You can just use the depends array to make sure it
-     *            gets loaded before the one you are setting here.
-     *            'footer' => TRUE //defaults to true (styles don't use this parameter)
-     *        ),
-     *    'enqueues' => array( //this time each key corresponds to the script ref followed by an array of page routes
-     *    the script gets enqueued on.
-     *        'script_ref' => array('route_one', 'route_two')
-     *    ),
-     *    'localize' => array( //this allows you to set a localized object.  Indicate which script the object is being
-     *    attached to and then include an array indexed by the name of the object and the array of key/value pairs for
-     *    the object.
-     *        'scrip_ref' => array(
-     *            'NAME_OF_JS_OBJECT' => array(
-     *                'translate_ref' => esc_html__('localized_string', 'event_espresso'),
-     *                'some_data' => 5
-     *            )
-     *        )
-     *    )
-     * )
-     *
-     * @var array
-     */
-    protected $_scripts_styles;
-
-
-    /**
-     * This is a property that will contain the current route.
-     *
-     * @var string;
-     */
-    protected $_current_route;
-
-
-    /**
-     * this optional property can be set by child classes to override the priority for the automatic action/filter hook
-     * loading in the `_load_routed_hooks()` method.  Please follow this format: array(
-     *    'wp_hook_reference' => 1
-     *    )
-     * )
-     *
-     * @var array
-     */
-    protected $_wp_action_filters_priority;
-
-
-    /**
-     * This just holds a merged array of the request vars
-     *
-     * @var array
-     */
-    protected $_req_data;
-
-    /**
-     * @var array
-     */
-    protected $_scripts;
-
-    /**
-     * @var array
-     */
-    protected $_styles;
-
-    /**
-     * This just holds an instance of the page object for this hook
-     *
-     * @var EE_Admin_Page
-     */
-    protected $_page_object;
-
-
-    /**
-     * This holds the EE_Admin_Page object from the calling admin page that this object hooks into.
-     *
-     * @var EE_Admin_Page|EE_Admin_Page_CPT
-     */
-    protected $_adminpage_obj;
-
-
-    /**
-     * Holds EE_Registry object
-     *
-     * @var EE_Registry
-     */
-    protected $EE = null;
-
-    /**
-     * @var RequestInterface
-     */
-    protected $request;
-
-
-    /**
-     * constructor
-     *
-     * @param EE_Admin_Page $admin_page
-     * @throws EE_Error
-     */
-    public function __construct(EE_Admin_Page $admin_page)
-    {
-        $this->_adminpage_obj = $admin_page;
-        $this->request        = LoaderFactory::getLoader()->getShared(RequestInterface::class);
-        $this->_req_data      = $this->request->requestParams();
-        $this->_set_defaults();
-        $this->_set_hooks_properties();
-        // first let's verify we're on the right page
-        if (! isset($this->_req_data['page']) || $this->_req_data['page'] !== $this->_adminpage_obj->page_slug) {
-            return;
-        }
-        // get out nothing more to be done here.
-        // allow for extends to modify properties
-        if (method_exists($this, '_extend_properties')) {
-            $this->_extend_properties();
-        }
-        $this->_set_page_object();
-        $this->_init_hooks();
-        $this->_load_custom_methods();
-        $this->_load_routed_hooks();
-        add_action('admin_enqueue_scripts', [$this, 'enqueue_scripts_styles']);
-        add_action('admin_enqueue_scripts', [$this, 'add_metaboxes'], 20);
-        add_action('admin_enqueue_scripts', [$this, 'remove_metaboxes'], 15);
-        $this->_ajax_hooks();
-    }
-
-
-    /**
-     * used by child classes to set the following properties:
-     * $_ajax_func (optional)
-     * $_init_func (optional)
-     * $_metaboxes (optional)
-     * $_scripts (optional)
-     * $_styles (optional)
-     * $_name (required)
-     * Also in this method will be registered any scripts or styles loaded on the targeted page (as indicated in the
-     * _scripts/_styles properties) Also children should place in this method any filters/actions that have to happen
-     * really early on page load (just after admin_init) if they want to have them registered for handling early.
-     *
-     * @abstract
-     * @return void
-     */
-    abstract protected function _set_hooks_properties();
-
-
-    /**
-     * The hooks for enqueue_scripts and enqueue_styles will be run in here.  Child classes need to define their
-     * scripts and styles in the relevant $_scripts and $_styles properties.  Child classes must have also already
-     * registered the scripts and styles using wp_register_script and wp_register_style functions.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function enqueue_scripts_styles()
-    {
-
-        if (! empty($this->_scripts_styles)) {
-            // first let's do all the registrations
-            if (! isset($this->_scripts_styles['registers'])) {
-                $msg[] = esc_html__(
-                    'There is no "registers" index in the <code>$this->_scripts_styles</code> property.',
-                    'event_espresso'
-                );
-                $msg[] = sprintf(
-                    esc_html__(
-                        'Make sure you read the phpdoc comments above the definition of the $_scripts_styles property in the <code>EE_Admin_Hooks</code> class and modify according in the %s child',
-                        'event_espresso'
-                    ),
-                    '<strong>' . $this->caller . '</strong>'
-                );
-                throw new EE_Error(implode('||', $msg));
-            }
-            $defaults = [
-                'type'    => 'js',
-                'url'     => '',
-                'depends' => [],
-                'version' => EVENT_ESPRESSO_VERSION,
-                'footer'  => true,
-            ];
-            foreach ($this->_scripts_styles['registers'] as $ref => $details) {
-                $details = wp_parse_args($details, $defaults);
-                $type    = $details['type'];
-                $url     = $details['url'];
-                $depends = $details['depends'];
-                $version = $details['version'];
-                $footer  = $details['footer'];
-                // let's make sure that we set the 'registers' type if it's not set!
-                // We need it later to determine which enqueue we do
-                $this->_scripts_styles['registers'][ $ref ]['type'] = $type;
-                // let's make sure we're not missing any REQUIRED parameters
-                if (empty($url)) {
-                    $msg[] = sprintf(
-                        esc_html__('Missing the url for the requested %s', 'event_espresso'),
-                        $type == 'js' ? 'script' : 'stylesheet'
-                    );
-                    $msg[] = sprintf(
-                        esc_html__(
-                            'Doublecheck your <code>$this->_scripts_styles</code> array in %s and make sure that there is a "url" set for the %s ref',
-                            'event_espresso'
-                        ),
-                        '<strong>' . $this->caller . '</strong>',
-                        $ref
-                    );
-                    throw new EE_Error(implode('||', $msg));
-                }
-                // made it here so let's do the appropriate registration
-                $type == 'js'
-                    ? wp_register_script($ref, $url, $depends, $version, $footer)
-                    : wp_register_style(
-                        $ref,
-                        $url,
-                        $depends,
-                        $version
-                    );
-            }
-            // k now let's do the enqueues
-            if (! isset($this->_scripts_styles['enqueues'])) {
-                return;
-            }  //not sure if we should throw an error here or not.
-
-            foreach ($this->_scripts_styles['enqueues'] as $ref => $routes) {
-                // make sure $routes is an array
-                $routes = (array) $routes;
-                if (in_array($this->_current_route, $routes)) {
-                    $this->_scripts_styles['registers'][ $ref ]['type'] == 'js' ? wp_enqueue_script($ref)
-                        : wp_enqueue_style($ref);
-                    // if we have a localization for the script let's do that too.
-                    if (isset($this->_scripts_styles['localize'][ $ref ])) {
-                        foreach ($this->_scripts_styles['localize'][ $ref ] as $object_name => $indexes) {
-                            wp_localize_script(
-                                $ref,
-                                $object_name,
-                                $this->_scripts_styles['localize'][ $ref ][ $object_name ]
-                            );
-                        }
-                    }
-                }
-            }
-            // let's do the deregisters
-            if (! isset($this->_scripts_styles['deregisters'])) {
-                return;
-            }
-            foreach ($this->_scripts_styles['deregisters'] as $ref => $details) {
-                $defaults = ['type' => 'js'];
-                $details  = wp_parse_args($details, $defaults);
-                $details['type'] === 'js' ? wp_deregister_script($ref) : wp_deregister_style($ref);
-            }
-        }
-    }
-
-
-    /**
-     * just set the defaults for the hooks properties.
-     *
-     * @return void
-     */
-    private function _set_defaults()
-    {
-        $this->_ajax_func                  = [];
-        $this->_init_func                  = [];
-        $this->_metaboxes                  = [];
-        $this->_scripts                    = [];
-        $this->_styles                     = [];
-        $this->_wp_action_filters_priority = [];
-        $this->_current_route              = $this->getCurrentRoute();
-        $this->caller                      = get_class($this);
-        $this->_extend                     = (bool) stripos($this->caller, 'Extend');
-    }
-
-
-    /**
-     * A helper for determining the current route.
-     *
-     * @return string
-     */
-    private function getCurrentRoute()
-    {
-        $action = $this->request->getRequestParam('action');
-        // list tables do something else with 'action' for bulk actions.
-        $action = $action !== '-1' && $action !== '' ? $action : 'default';
-        $route  = $this->request->getRequestParam('route');
-        // we set a 'route' variable in some cases where action is being used by something else.
-        return $action === 'default' && $route !== '' ? $route : $action;
-    }
-
-
-    /**
-     * this sets the _page_object property
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _set_page_object()
-    {
-        // first make sure $this->_name is set
-        if (empty($this->_name)) {
-            $msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
-            $msg[] = sprintf(
-                esc_html__("This is because the %s child class has not set the '_name' property", 'event_espresso'),
-                $this->caller
-            );
-            throw new EE_Error(implode('||', $msg));
-        }
-        // change "the_message" to "the message"
-        $class_name = str_replace('_', ' ', $this->_name);
-        // change "the message" to "The_Message_Admin_Page"
-        $class_name = str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
-        // first default file (if exists)
-        $decaf_file = EE_ADMIN_PAGES . $this->_name . '/' . $class_name . '.core.php';
-        if (is_readable($decaf_file)) {
-            require_once($decaf_file);
-        }
-        // now we have to do require for extended file (if needed)
-        if ($this->_extend) {
-            require_once(EE_CORE_CAF_ADMIN_EXTEND . $this->_name . '/Extend_' . $class_name . '.core.php');
-            // and extend the class name as well
-            $class_name = 'Extend_' . $class_name;
-        }
-        // let's make sure the class exists
-        if (! class_exists($class_name)) {
-            $msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
-            $msg[] = sprintf(
-                esc_html__(
-                    'The class name that was given is %s. Check the spelling and make sure its correct, also there needs to be an autoloader setup for the class',
-                    'event_espresso'
-                ),
-                $class_name
-            );
-            throw new EE_Error(implode('||', $msg));
-        }
-        $this->_page_object = LoaderFactory::getLoader()->getShared($class_name, [false]);
-    }
-
-
-    /**
-     * Child "hook" classes can declare any methods that they want executed when a specific page route is loaded.  The
-     * advantage of this is when doing things like running our own db interactions on saves etc.  Remember that
-     * $this->_req_data (all the _POST and _GET data) is available to your methods.
-     *
-     * @return void
-     */
-    private function _load_custom_methods()
-    {
-        /**
-         * method cannot be named 'default' (@see http://us3.php
-         * .net/manual/en/reserved.keywords.php) so need to
-         * handle routes that are "default"
-         *
-         * @since 4.3.0
-         */
-        $method_callback = $this->_current_route == 'default' ? 'default_callback' : $this->_current_route;
-        // these run before the Admin_Page route executes.
-        if (method_exists($this, $method_callback)) {
-            call_user_func([$this, $method_callback]);
-        }
-        // these run via the _redirect_after_action method in EE_Admin_Page which usually happens after non_UI methods in EE_Admin_Page classes.  There are two redirect actions, the first fires before $query_args might be manipulated by "save and close" actions and the seond fires right before the actual redirect happens.
-        // first the actions
-        // note that these action hooks will have the $query_args value available.
-        $admin_class_name = get_class($this->_adminpage_obj);
-        if (method_exists($this, '_redirect_action_early_' . $this->_current_route)) {
-            add_action(
-                'AHEE__'
-                . $admin_class_name
-                . '___redirect_after_action__before_redirect_modification_'
-                . $this->_current_route,
-                [$this, '_redirect_action_early_' . $this->_current_route],
-                10
-            );
-        }
-        if (method_exists($this, '_redirect_action_' . $this->_current_route)) {
-            add_action(
-                'AHEE_redirect_' . $admin_class_name . $this->_current_route,
-                [$this, '_redirect_action_' . $this->_current_route],
-                10
-            );
-        }
-        // let's hook into the _redirect itself and allow for changing where the user goes after redirect.  This will have $query_args and $redirect_url available.
-        if (method_exists($this, '_redirect_filter_' . $this->_current_route)) {
-            add_filter(
-                'FHEE_redirect_' . $admin_class_name . $this->_current_route,
-                [$this, '_redirect_filter_' . $this->_current_route],
-                10,
-                2
-            );
-        }
-    }
-
-
-    /**
-     * This method will search for a corresponding method with a name matching the route and the wp_hook to run.  This
-     * allows child hook classes to target hooking into a specific wp action or filter hook ONLY on a certain route.
-     * just remember, methods MUST be public Future hooks should be added in here to be access by child classes.
-     *
-     * @return void
-     */
-    private function _load_routed_hooks()
-    {
-
-        // this array provides the hook action names that will be referenced.  Key is the action. Value is an array with the type (action or filter) and the number of parameters for the hook.  We'll default all priorities for automatic hooks to 10.
-        $hook_filter_array = [
-            'admin_footer'                                                                            => [
-                'type'     => 'action',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-            'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug . '_' . $this->_current_route => [
-                'type'     => 'filter',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-            'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug                               => [
-                'type'     => 'filter',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-            'FHEE_list_table_views'                                                                   => [
-                'type'     => 'filter',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-            'AHEE__EE_Admin_Page___display_admin_page__modify_metaboxes'                              => [
-                'type'     => 'action',
-                'argnum'   => 1,
-                'priority' => 10,
-            ],
-        ];
-        foreach ($hook_filter_array as $hook => $args) {
-            if (method_exists($this, $this->_current_route . '_' . $hook)) {
-                if (isset($this->_wp_action_filters_priority[ $hook ])) {
-                    $args['priority'] = $this->_wp_action_filters_priority[ $hook ];
-                }
-                if ($args['type'] == 'action') {
-                    add_action(
-                        $hook,
-                        [$this, $this->_current_route . '_' . $hook],
-                        $args['priority'],
-                        $args['argnum']
-                    );
-                } else {
-                    add_filter(
-                        $hook,
-                        [$this, $this->_current_route . '_' . $hook],
-                        $args['priority'],
-                        $args['argnum']
-                    );
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Loop throught the $_ajax_func array and add_actions for the array.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    private function _ajax_hooks()
-    {
-
-        if (empty($this->_ajax_func)) {
-            return;
-        } //get out there's nothing to take care of.
-        foreach ($this->_ajax_func as $action => $method) {
-            // make sure method exists
-            if (! method_exists($this, $method)) {
-                $msg[] = esc_html__(
-                    'There is no corresponding method for the hook labeled in the _ajax_func array',
-                    'event_espresso'
-                ) . '<br />';
-                $msg[] = sprintf(
-                    esc_html__(
-                        'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
-                        'event_espresso'
-                    ),
-                    $method,
-                    $this->caller
-                );
-                throw new EE_Error(implode('||', $msg));
-            }
-            add_action('wp_ajax_' . $action, [$this, $method]);
-        }
-    }
-
-
-    /**
-     * Loop throught the $_init_func array and add_actions for the array.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _init_hooks()
-    {
-        if (empty($this->_init_func)) {
-            return;
-        }
-        // get out there's nothing to take care of.
-        // We need to determine what page_route we are on!
-        foreach ($this->_init_func as $route => $method) {
-            // make sure method exists
-            if (! method_exists($this, $method)) {
-                $msg[] = esc_html__(
-                    'There is no corresponding method for the hook labeled in the _init_func array',
-                    'event_espresso'
-                ) . '<br />';
-                $msg[] = sprintf(
-                    esc_html__(
-                        'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
-                        'event_espresso'
-                    ),
-                    $method,
-                    $this->caller
-                );
-                throw new EE_Error(implode('||', $msg));
-            }
-            if ($route == $this->_current_route) {
-                add_action('admin_init', [$this, $method]);
-            }
-        }
-    }
-
-
-    /**
-     * Loop through the _metaboxes property and add_metaboxes accordingly
-     * //todo we could eventually make this a config component class (i.e. new EE_Metabox);
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function add_metaboxes()
-    {
-        if (empty($this->_metaboxes)) {
-            return;
-        } //get out we don't have any metaboxes to set for this connection
-        $this->_handle_metabox_array($this->_metaboxes);
-    }
-
-
-    /**
-     * @param array $boxes
-     * @param bool  $add
-     * @throws EE_Error
-     */
-    private function _handle_metabox_array(array $boxes, $add = true)
-    {
-
-        foreach ($boxes as $box) {
-            if (! isset($box['page_route'])) {
-                continue;
-            }
-            // we don't have a valid array
-            // let's make sure $box['page_route'] is an array so the "foreach" will work.
-            $box['page_route'] = (array) $box['page_route'];
-            foreach ($box['page_route'] as $route) {
-                if ($route != $this->_current_route) {
-                    continue;
-                } //get out we only add metaboxes for set route.
-                if ($add) {
-                    $this->_add_metabox($box);
-                } else {
-                    $this->_remove_metabox($box);
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Loop through the _remove_metaboxes property and remove metaboxes accordingly.
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function remove_metaboxes()
-    {
-
-        if (empty($this->_remove_metaboxes)) {
-            return;
-        } //get out there are no metaboxes to remove
-        $this->_handle_metabox_array($this->_remove_metaboxes, false);
-    }
-
-
-    /**
-     * This just handles adding a metabox
-     *
-     * @param array $args an array of args that have been set for this metabox by the child class
-     * @throws EE_Error
-     */
-    private function _add_metabox($args)
-    {
-        $current_screen = get_current_screen();
-        $screen_id      = is_object($current_screen) ? $current_screen->id : null;
-        $func           = isset($args['func']) ? $args['func'] : 'some_invalid_callback';
-        // set defaults
-        $defaults      = [
-            'callback_args' => [],
-            'context'       => 'advanced',
-            'func'          => $func,
-            'id'            => $this->caller . '_' . $func . '_metabox',
-            'label'         => $this->caller,
-            'page'          => isset($args['page']) ? $args['page'] : $screen_id,
-            'priority'      => 'default',
-        ];
-        $args          = wp_parse_args($args, $defaults);
-        $callback_args = $args['callback_args'];
-        $context       = $args['context'];
-        $func          = $args['func'];
-        $id            = $args['id'];
-        $label         = $args['label'];
-        $page          = $args['page'];
-        $priority      = $args['priority'];
-        // make sure method exists
-        if (! method_exists($this, $func)) {
-            $msg[] =
-                esc_html__('There is no corresponding method to display the metabox content', 'event_espresso')
-                . '<br />';
-            $msg[] = sprintf(
-                esc_html__(
-                    'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
-                    'event_espresso'
-                ),
-                $func,
-                $this->caller
-            );
-            throw new EE_Error(implode('||', $msg));
-        }
-        // everything checks out so let's add the metabox
-        add_meta_box($id, $label, [$this, $func], $page, $context, $priority, $callback_args);
-    }
-
-
-    private function _remove_metabox($args)
-    {
-        $current_screen = get_current_screen();
-        $screen_id      = is_object($current_screen) ? $current_screen->id : null;
-        $func           = isset($args['func']) ? $args['func'] : 'some_invalid_callback';
-        // set defaults
-        $defaults = [
-            'context' => 'default',
-            'id'      => isset($args['id'])
-                ? $args['id']
-                : $this->_current_route . '_' . $this->caller . '_' . $func . '_metabox',
-            'screen'  => isset($args['screen']) ? $args['screen'] : $screen_id,
-        ];
-        $args     = wp_parse_args($args, $defaults);
-        $context  = $args['context'];
-        $id       = $args['id'];
-        $screen   = $args['screen'];
-        // everything checks out so lets remove the box!
-        remove_meta_box($id, $screen, $context);
-    }
+	/**
+	 * we're just going to use this to hold the name of the caller class (child class name)
+	 *
+	 * @var string
+	 */
+	public $caller;
+
+
+	/**
+	 * this is just a flag set automatically to indicate whether we've got an extended hook class running (i.e.
+	 * espresso_events_Registration_Form_Hooks_Extend extends espresso_events_Registration_Form_Hooks).  This flag is
+	 * used later to make sure we require the needed files.
+	 *
+	 * @var bool
+	 */
+	protected $_extend;
+
+
+	/**
+	 * child classes MUST set this property so that the page object can be loaded correctly
+	 *
+	 * @var string
+	 */
+	protected $_name;
+
+
+	/**
+	 * This is set by child classes and is an associative array of ajax hooks in the format:
+	 * array(
+	 *    'ajax_action_ref' => 'executing_method'; //must be public
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_ajax_func;
+
+
+	/**
+	 * This is an array of methods that get executed on a page routes admin_init hook. Use the following format:
+	 * array(
+	 *    'page_route' => 'executing_method' //must be public
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_init_func;
+
+
+	/**
+	 * This is an array of methods that output metabox content for the given page route.  Use the following format:
+	 * [
+	 *      0 => [
+	 *          'page_route' => 'string_for_page_route',    must correspond to a page route in the class being connected
+	 *                                                      with (i.e. "edit_event") If this is in an array then the
+	 *                                                      same params below will be used but the metabox will be
+	 *                                                      added to each route.
+	 *          'func' =>  'executing_method',              must be public (i.e. public function executing_method
+	 *                                                      ($post, $callback_args){} ).
+	 *                                                      Note if you include callback args in the array then you
+	 *                                                      need to declare them in the method arguments.
+	 *          'id' => 'identifier_for_metabox',           so it can be removed by addons
+	 *                                                      (optional, class will set it automatically)
+	 *          'priority' => 'default',                    default 'default' (optional)
+	 *          'label' => esc_html__('Localized Title', 'event_espresso'),
+	 *          'context' => 'advanced'                     advanced is default (optional),
+	 *      ]
+	 *      'callback_args' => array() //any callback args to include (optional)
+	 * ]
+	 * Why are we indexing numerically?  Because it's possible there may be more than one metabox per page_route.
+	 *
+	 * @var array
+	 */
+	protected $_metaboxes;
+
+
+	/**
+	 * This is an array of values that indicate any metaboxes we want removed from a given page route.  Usually this is
+	 * used when caffeinated functionality is replacing decaffeinated functionality.  Use the following format for the
+	 * array: array(
+	 *    0 => array(
+	 *        'page_route' => 'string_for_page_route' //can be string or array of strings that match a page_route(s)
+	 *        that are in the class being connected with (i.e. 'edit', or 'create_new').
+	 *        'id' => 'identifier_for_metabox', //what the id is of the metabox being removed
+	 *        'context' => 'normal', //the context for the metabox being removed (has to match)
+	 *        'screen' => 'screen_id', //(optional), if not included then this class will attempt to remove the metabox
+	 *        using the currently loaded screen object->id  however, there may be cases where you have to specify the
+	 *        id for the screen the metabox is on.
+	 *    )
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_remove_metaboxes;
+
+
+	/**
+	 * This parent class takes care of loading the scripts and styles if the child class has set the properties for
+	 * them in the following format.  Note, the first array index ('register') is for defining all the registers.  The
+	 * second array index is for indicating what routes each script/style loads on. array(
+	 * 'registers' => array(
+	 *        'script_ref' => array( // if more than one script is to be loaded its best to use the 'dependency'
+	 *        argument to link scripts together.
+	 *            'type' => 'js' // 'js' or 'css' (defaults to js).  This tells us what type of wp_function to use
+	 *            'url' => 'http://urltoscript.css.js',
+	 *            'depends' => array('jquery'), //an array of dependencies for the scripts. REMEMBER, if a script has
+	 *            already been registered elsewhere in the system.  You can just use the depends array to make sure it
+	 *            gets loaded before the one you are setting here.
+	 *            'footer' => TRUE //defaults to true (styles don't use this parameter)
+	 *        ),
+	 *    'enqueues' => array( //this time each key corresponds to the script ref followed by an array of page routes
+	 *    the script gets enqueued on.
+	 *        'script_ref' => array('route_one', 'route_two')
+	 *    ),
+	 *    'localize' => array( //this allows you to set a localized object.  Indicate which script the object is being
+	 *    attached to and then include an array indexed by the name of the object and the array of key/value pairs for
+	 *    the object.
+	 *        'scrip_ref' => array(
+	 *            'NAME_OF_JS_OBJECT' => array(
+	 *                'translate_ref' => esc_html__('localized_string', 'event_espresso'),
+	 *                'some_data' => 5
+	 *            )
+	 *        )
+	 *    )
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_scripts_styles;
+
+
+	/**
+	 * This is a property that will contain the current route.
+	 *
+	 * @var string;
+	 */
+	protected $_current_route;
+
+
+	/**
+	 * this optional property can be set by child classes to override the priority for the automatic action/filter hook
+	 * loading in the `_load_routed_hooks()` method.  Please follow this format: array(
+	 *    'wp_hook_reference' => 1
+	 *    )
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_wp_action_filters_priority;
+
+
+	/**
+	 * This just holds a merged array of the request vars
+	 *
+	 * @var array
+	 */
+	protected $_req_data;
+
+	/**
+	 * @var array
+	 */
+	protected $_scripts;
+
+	/**
+	 * @var array
+	 */
+	protected $_styles;
+
+	/**
+	 * This just holds an instance of the page object for this hook
+	 *
+	 * @var EE_Admin_Page
+	 */
+	protected $_page_object;
+
+
+	/**
+	 * This holds the EE_Admin_Page object from the calling admin page that this object hooks into.
+	 *
+	 * @var EE_Admin_Page|EE_Admin_Page_CPT
+	 */
+	protected $_adminpage_obj;
+
+
+	/**
+	 * Holds EE_Registry object
+	 *
+	 * @var EE_Registry
+	 */
+	protected $EE = null;
+
+	/**
+	 * @var RequestInterface
+	 */
+	protected $request;
+
+
+	/**
+	 * constructor
+	 *
+	 * @param EE_Admin_Page $admin_page
+	 * @throws EE_Error
+	 */
+	public function __construct(EE_Admin_Page $admin_page)
+	{
+		$this->_adminpage_obj = $admin_page;
+		$this->request        = LoaderFactory::getLoader()->getShared(RequestInterface::class);
+		$this->_req_data      = $this->request->requestParams();
+		$this->_set_defaults();
+		$this->_set_hooks_properties();
+		// first let's verify we're on the right page
+		if (! isset($this->_req_data['page']) || $this->_req_data['page'] !== $this->_adminpage_obj->page_slug) {
+			return;
+		}
+		// get out nothing more to be done here.
+		// allow for extends to modify properties
+		if (method_exists($this, '_extend_properties')) {
+			$this->_extend_properties();
+		}
+		$this->_set_page_object();
+		$this->_init_hooks();
+		$this->_load_custom_methods();
+		$this->_load_routed_hooks();
+		add_action('admin_enqueue_scripts', [$this, 'enqueue_scripts_styles']);
+		add_action('admin_enqueue_scripts', [$this, 'add_metaboxes'], 20);
+		add_action('admin_enqueue_scripts', [$this, 'remove_metaboxes'], 15);
+		$this->_ajax_hooks();
+	}
+
+
+	/**
+	 * used by child classes to set the following properties:
+	 * $_ajax_func (optional)
+	 * $_init_func (optional)
+	 * $_metaboxes (optional)
+	 * $_scripts (optional)
+	 * $_styles (optional)
+	 * $_name (required)
+	 * Also in this method will be registered any scripts or styles loaded on the targeted page (as indicated in the
+	 * _scripts/_styles properties) Also children should place in this method any filters/actions that have to happen
+	 * really early on page load (just after admin_init) if they want to have them registered for handling early.
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _set_hooks_properties();
+
+
+	/**
+	 * The hooks for enqueue_scripts and enqueue_styles will be run in here.  Child classes need to define their
+	 * scripts and styles in the relevant $_scripts and $_styles properties.  Child classes must have also already
+	 * registered the scripts and styles using wp_register_script and wp_register_style functions.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function enqueue_scripts_styles()
+	{
+
+		if (! empty($this->_scripts_styles)) {
+			// first let's do all the registrations
+			if (! isset($this->_scripts_styles['registers'])) {
+				$msg[] = esc_html__(
+					'There is no "registers" index in the <code>$this->_scripts_styles</code> property.',
+					'event_espresso'
+				);
+				$msg[] = sprintf(
+					esc_html__(
+						'Make sure you read the phpdoc comments above the definition of the $_scripts_styles property in the <code>EE_Admin_Hooks</code> class and modify according in the %s child',
+						'event_espresso'
+					),
+					'<strong>' . $this->caller . '</strong>'
+				);
+				throw new EE_Error(implode('||', $msg));
+			}
+			$defaults = [
+				'type'    => 'js',
+				'url'     => '',
+				'depends' => [],
+				'version' => EVENT_ESPRESSO_VERSION,
+				'footer'  => true,
+			];
+			foreach ($this->_scripts_styles['registers'] as $ref => $details) {
+				$details = wp_parse_args($details, $defaults);
+				$type    = $details['type'];
+				$url     = $details['url'];
+				$depends = $details['depends'];
+				$version = $details['version'];
+				$footer  = $details['footer'];
+				// let's make sure that we set the 'registers' type if it's not set!
+				// We need it later to determine which enqueue we do
+				$this->_scripts_styles['registers'][ $ref ]['type'] = $type;
+				// let's make sure we're not missing any REQUIRED parameters
+				if (empty($url)) {
+					$msg[] = sprintf(
+						esc_html__('Missing the url for the requested %s', 'event_espresso'),
+						$type == 'js' ? 'script' : 'stylesheet'
+					);
+					$msg[] = sprintf(
+						esc_html__(
+							'Doublecheck your <code>$this->_scripts_styles</code> array in %s and make sure that there is a "url" set for the %s ref',
+							'event_espresso'
+						),
+						'<strong>' . $this->caller . '</strong>',
+						$ref
+					);
+					throw new EE_Error(implode('||', $msg));
+				}
+				// made it here so let's do the appropriate registration
+				$type == 'js'
+					? wp_register_script($ref, $url, $depends, $version, $footer)
+					: wp_register_style(
+						$ref,
+						$url,
+						$depends,
+						$version
+					);
+			}
+			// k now let's do the enqueues
+			if (! isset($this->_scripts_styles['enqueues'])) {
+				return;
+			}  //not sure if we should throw an error here or not.
+
+			foreach ($this->_scripts_styles['enqueues'] as $ref => $routes) {
+				// make sure $routes is an array
+				$routes = (array) $routes;
+				if (in_array($this->_current_route, $routes)) {
+					$this->_scripts_styles['registers'][ $ref ]['type'] == 'js' ? wp_enqueue_script($ref)
+						: wp_enqueue_style($ref);
+					// if we have a localization for the script let's do that too.
+					if (isset($this->_scripts_styles['localize'][ $ref ])) {
+						foreach ($this->_scripts_styles['localize'][ $ref ] as $object_name => $indexes) {
+							wp_localize_script(
+								$ref,
+								$object_name,
+								$this->_scripts_styles['localize'][ $ref ][ $object_name ]
+							);
+						}
+					}
+				}
+			}
+			// let's do the deregisters
+			if (! isset($this->_scripts_styles['deregisters'])) {
+				return;
+			}
+			foreach ($this->_scripts_styles['deregisters'] as $ref => $details) {
+				$defaults = ['type' => 'js'];
+				$details  = wp_parse_args($details, $defaults);
+				$details['type'] === 'js' ? wp_deregister_script($ref) : wp_deregister_style($ref);
+			}
+		}
+	}
+
+
+	/**
+	 * just set the defaults for the hooks properties.
+	 *
+	 * @return void
+	 */
+	private function _set_defaults()
+	{
+		$this->_ajax_func                  = [];
+		$this->_init_func                  = [];
+		$this->_metaboxes                  = [];
+		$this->_scripts                    = [];
+		$this->_styles                     = [];
+		$this->_wp_action_filters_priority = [];
+		$this->_current_route              = $this->getCurrentRoute();
+		$this->caller                      = get_class($this);
+		$this->_extend                     = (bool) stripos($this->caller, 'Extend');
+	}
+
+
+	/**
+	 * A helper for determining the current route.
+	 *
+	 * @return string
+	 */
+	private function getCurrentRoute()
+	{
+		$action = $this->request->getRequestParam('action');
+		// list tables do something else with 'action' for bulk actions.
+		$action = $action !== '-1' && $action !== '' ? $action : 'default';
+		$route  = $this->request->getRequestParam('route');
+		// we set a 'route' variable in some cases where action is being used by something else.
+		return $action === 'default' && $route !== '' ? $route : $action;
+	}
+
+
+	/**
+	 * this sets the _page_object property
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _set_page_object()
+	{
+		// first make sure $this->_name is set
+		if (empty($this->_name)) {
+			$msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
+			$msg[] = sprintf(
+				esc_html__("This is because the %s child class has not set the '_name' property", 'event_espresso'),
+				$this->caller
+			);
+			throw new EE_Error(implode('||', $msg));
+		}
+		// change "the_message" to "the message"
+		$class_name = str_replace('_', ' ', $this->_name);
+		// change "the message" to "The_Message_Admin_Page"
+		$class_name = str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
+		// first default file (if exists)
+		$decaf_file = EE_ADMIN_PAGES . $this->_name . '/' . $class_name . '.core.php';
+		if (is_readable($decaf_file)) {
+			require_once($decaf_file);
+		}
+		// now we have to do require for extended file (if needed)
+		if ($this->_extend) {
+			require_once(EE_CORE_CAF_ADMIN_EXTEND . $this->_name . '/Extend_' . $class_name . '.core.php');
+			// and extend the class name as well
+			$class_name = 'Extend_' . $class_name;
+		}
+		// let's make sure the class exists
+		if (! class_exists($class_name)) {
+			$msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
+			$msg[] = sprintf(
+				esc_html__(
+					'The class name that was given is %s. Check the spelling and make sure its correct, also there needs to be an autoloader setup for the class',
+					'event_espresso'
+				),
+				$class_name
+			);
+			throw new EE_Error(implode('||', $msg));
+		}
+		$this->_page_object = LoaderFactory::getLoader()->getShared($class_name, [false]);
+	}
+
+
+	/**
+	 * Child "hook" classes can declare any methods that they want executed when a specific page route is loaded.  The
+	 * advantage of this is when doing things like running our own db interactions on saves etc.  Remember that
+	 * $this->_req_data (all the _POST and _GET data) is available to your methods.
+	 *
+	 * @return void
+	 */
+	private function _load_custom_methods()
+	{
+		/**
+		 * method cannot be named 'default' (@see http://us3.php
+		 * .net/manual/en/reserved.keywords.php) so need to
+		 * handle routes that are "default"
+		 *
+		 * @since 4.3.0
+		 */
+		$method_callback = $this->_current_route == 'default' ? 'default_callback' : $this->_current_route;
+		// these run before the Admin_Page route executes.
+		if (method_exists($this, $method_callback)) {
+			call_user_func([$this, $method_callback]);
+		}
+		// these run via the _redirect_after_action method in EE_Admin_Page which usually happens after non_UI methods in EE_Admin_Page classes.  There are two redirect actions, the first fires before $query_args might be manipulated by "save and close" actions and the seond fires right before the actual redirect happens.
+		// first the actions
+		// note that these action hooks will have the $query_args value available.
+		$admin_class_name = get_class($this->_adminpage_obj);
+		if (method_exists($this, '_redirect_action_early_' . $this->_current_route)) {
+			add_action(
+				'AHEE__'
+				. $admin_class_name
+				. '___redirect_after_action__before_redirect_modification_'
+				. $this->_current_route,
+				[$this, '_redirect_action_early_' . $this->_current_route],
+				10
+			);
+		}
+		if (method_exists($this, '_redirect_action_' . $this->_current_route)) {
+			add_action(
+				'AHEE_redirect_' . $admin_class_name . $this->_current_route,
+				[$this, '_redirect_action_' . $this->_current_route],
+				10
+			);
+		}
+		// let's hook into the _redirect itself and allow for changing where the user goes after redirect.  This will have $query_args and $redirect_url available.
+		if (method_exists($this, '_redirect_filter_' . $this->_current_route)) {
+			add_filter(
+				'FHEE_redirect_' . $admin_class_name . $this->_current_route,
+				[$this, '_redirect_filter_' . $this->_current_route],
+				10,
+				2
+			);
+		}
+	}
+
+
+	/**
+	 * This method will search for a corresponding method with a name matching the route and the wp_hook to run.  This
+	 * allows child hook classes to target hooking into a specific wp action or filter hook ONLY on a certain route.
+	 * just remember, methods MUST be public Future hooks should be added in here to be access by child classes.
+	 *
+	 * @return void
+	 */
+	private function _load_routed_hooks()
+	{
+
+		// this array provides the hook action names that will be referenced.  Key is the action. Value is an array with the type (action or filter) and the number of parameters for the hook.  We'll default all priorities for automatic hooks to 10.
+		$hook_filter_array = [
+			'admin_footer'                                                                            => [
+				'type'     => 'action',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+			'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug . '_' . $this->_current_route => [
+				'type'     => 'filter',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+			'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug                               => [
+				'type'     => 'filter',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+			'FHEE_list_table_views'                                                                   => [
+				'type'     => 'filter',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+			'AHEE__EE_Admin_Page___display_admin_page__modify_metaboxes'                              => [
+				'type'     => 'action',
+				'argnum'   => 1,
+				'priority' => 10,
+			],
+		];
+		foreach ($hook_filter_array as $hook => $args) {
+			if (method_exists($this, $this->_current_route . '_' . $hook)) {
+				if (isset($this->_wp_action_filters_priority[ $hook ])) {
+					$args['priority'] = $this->_wp_action_filters_priority[ $hook ];
+				}
+				if ($args['type'] == 'action') {
+					add_action(
+						$hook,
+						[$this, $this->_current_route . '_' . $hook],
+						$args['priority'],
+						$args['argnum']
+					);
+				} else {
+					add_filter(
+						$hook,
+						[$this, $this->_current_route . '_' . $hook],
+						$args['priority'],
+						$args['argnum']
+					);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * Loop throught the $_ajax_func array and add_actions for the array.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _ajax_hooks()
+	{
+
+		if (empty($this->_ajax_func)) {
+			return;
+		} //get out there's nothing to take care of.
+		foreach ($this->_ajax_func as $action => $method) {
+			// make sure method exists
+			if (! method_exists($this, $method)) {
+				$msg[] = esc_html__(
+					'There is no corresponding method for the hook labeled in the _ajax_func array',
+					'event_espresso'
+				) . '<br />';
+				$msg[] = sprintf(
+					esc_html__(
+						'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
+						'event_espresso'
+					),
+					$method,
+					$this->caller
+				);
+				throw new EE_Error(implode('||', $msg));
+			}
+			add_action('wp_ajax_' . $action, [$this, $method]);
+		}
+	}
+
+
+	/**
+	 * Loop throught the $_init_func array and add_actions for the array.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _init_hooks()
+	{
+		if (empty($this->_init_func)) {
+			return;
+		}
+		// get out there's nothing to take care of.
+		// We need to determine what page_route we are on!
+		foreach ($this->_init_func as $route => $method) {
+			// make sure method exists
+			if (! method_exists($this, $method)) {
+				$msg[] = esc_html__(
+					'There is no corresponding method for the hook labeled in the _init_func array',
+					'event_espresso'
+				) . '<br />';
+				$msg[] = sprintf(
+					esc_html__(
+						'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
+						'event_espresso'
+					),
+					$method,
+					$this->caller
+				);
+				throw new EE_Error(implode('||', $msg));
+			}
+			if ($route == $this->_current_route) {
+				add_action('admin_init', [$this, $method]);
+			}
+		}
+	}
+
+
+	/**
+	 * Loop through the _metaboxes property and add_metaboxes accordingly
+	 * //todo we could eventually make this a config component class (i.e. new EE_Metabox);
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function add_metaboxes()
+	{
+		if (empty($this->_metaboxes)) {
+			return;
+		} //get out we don't have any metaboxes to set for this connection
+		$this->_handle_metabox_array($this->_metaboxes);
+	}
+
+
+	/**
+	 * @param array $boxes
+	 * @param bool  $add
+	 * @throws EE_Error
+	 */
+	private function _handle_metabox_array(array $boxes, $add = true)
+	{
+
+		foreach ($boxes as $box) {
+			if (! isset($box['page_route'])) {
+				continue;
+			}
+			// we don't have a valid array
+			// let's make sure $box['page_route'] is an array so the "foreach" will work.
+			$box['page_route'] = (array) $box['page_route'];
+			foreach ($box['page_route'] as $route) {
+				if ($route != $this->_current_route) {
+					continue;
+				} //get out we only add metaboxes for set route.
+				if ($add) {
+					$this->_add_metabox($box);
+				} else {
+					$this->_remove_metabox($box);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * Loop through the _remove_metaboxes property and remove metaboxes accordingly.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function remove_metaboxes()
+	{
+
+		if (empty($this->_remove_metaboxes)) {
+			return;
+		} //get out there are no metaboxes to remove
+		$this->_handle_metabox_array($this->_remove_metaboxes, false);
+	}
+
+
+	/**
+	 * This just handles adding a metabox
+	 *
+	 * @param array $args an array of args that have been set for this metabox by the child class
+	 * @throws EE_Error
+	 */
+	private function _add_metabox($args)
+	{
+		$current_screen = get_current_screen();
+		$screen_id      = is_object($current_screen) ? $current_screen->id : null;
+		$func           = isset($args['func']) ? $args['func'] : 'some_invalid_callback';
+		// set defaults
+		$defaults      = [
+			'callback_args' => [],
+			'context'       => 'advanced',
+			'func'          => $func,
+			'id'            => $this->caller . '_' . $func . '_metabox',
+			'label'         => $this->caller,
+			'page'          => isset($args['page']) ? $args['page'] : $screen_id,
+			'priority'      => 'default',
+		];
+		$args          = wp_parse_args($args, $defaults);
+		$callback_args = $args['callback_args'];
+		$context       = $args['context'];
+		$func          = $args['func'];
+		$id            = $args['id'];
+		$label         = $args['label'];
+		$page          = $args['page'];
+		$priority      = $args['priority'];
+		// make sure method exists
+		if (! method_exists($this, $func)) {
+			$msg[] =
+				esc_html__('There is no corresponding method to display the metabox content', 'event_espresso')
+				. '<br />';
+			$msg[] = sprintf(
+				esc_html__(
+					'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
+					'event_espresso'
+				),
+				$func,
+				$this->caller
+			);
+			throw new EE_Error(implode('||', $msg));
+		}
+		// everything checks out so let's add the metabox
+		add_meta_box($id, $label, [$this, $func], $page, $context, $priority, $callback_args);
+	}
+
+
+	private function _remove_metabox($args)
+	{
+		$current_screen = get_current_screen();
+		$screen_id      = is_object($current_screen) ? $current_screen->id : null;
+		$func           = isset($args['func']) ? $args['func'] : 'some_invalid_callback';
+		// set defaults
+		$defaults = [
+			'context' => 'default',
+			'id'      => isset($args['id'])
+				? $args['id']
+				: $this->_current_route . '_' . $this->caller . '_' . $func . '_metabox',
+			'screen'  => isset($args['screen']) ? $args['screen'] : $screen_id,
+		];
+		$args     = wp_parse_args($args, $defaults);
+		$context  = $args['context'];
+		$id       = $args['id'];
+		$screen   = $args['screen'];
+		// everything checks out so lets remove the box!
+		remove_meta_box($id, $screen, $context);
+	}
 }

Spacing +42 added lines, -42 removed lines

@@ -226,7 +226,7 @@ 
         $this->_set_defaults();
         $this->_set_hooks_properties();
         // first let's verify we're on the right page
-        if (! isset($this->_req_data['page']) || $this->_req_data['page'] !== $this->_adminpage_obj->page_slug) {
+        if ( ! isset($this->_req_data['page']) || $this->_req_data['page'] !== $this->_adminpage_obj->page_slug) {
             return;
         }
         // get out nothing more to be done here.
@@ -274,9 +274,9 @@ 
     public function enqueue_scripts_styles()
     {
 
-        if (! empty($this->_scripts_styles)) {
+        if ( ! empty($this->_scripts_styles)) {
             // first let's do all the registrations
-            if (! isset($this->_scripts_styles['registers'])) {
+            if ( ! isset($this->_scripts_styles['registers'])) {
                 $msg[] = esc_html__(
                     'There is no "registers" index in the <code>$this->_scripts_styles</code> property.',
                     'event_espresso'
@@ -286,7 +286,7 @@ 
                         'Make sure you read the phpdoc comments above the definition of the $_scripts_styles property in the <code>EE_Admin_Hooks</code> class and modify according in the %s child',
                         'event_espresso'
                     ),
-                    '<strong>' . $this->caller . '</strong>'
+                    '<strong>'.$this->caller.'</strong>'
                 );
                 throw new EE_Error(implode('||', $msg));
             }
@@ -306,7 +306,7 @@ 
                 $footer  = $details['footer'];
                 // let's make sure that we set the 'registers' type if it's not set!
                 // We need it later to determine which enqueue we do
-                $this->_scripts_styles['registers'][ $ref ]['type'] = $type;
+                $this->_scripts_styles['registers'][$ref]['type'] = $type;
                 // let's make sure we're not missing any REQUIRED parameters
                 if (empty($url)) {
                     $msg[] = sprintf(
@@ -318,7 +318,7 @@ 
                             'Doublecheck your <code>$this->_scripts_styles</code> array in %s and make sure that there is a "url" set for the %s ref',
                             'event_espresso'
                         ),
-                        '<strong>' . $this->caller . '</strong>',
+                        '<strong>'.$this->caller.'</strong>',
                         $ref
                     );
                     throw new EE_Error(implode('||', $msg));
@@ -334,7 +334,7 @@ 
                     );
             }
             // k now let's do the enqueues
-            if (! isset($this->_scripts_styles['enqueues'])) {
+            if ( ! isset($this->_scripts_styles['enqueues'])) {
                 return;
             }  //not sure if we should throw an error here or not.
 
@@ -342,22 +342,22 @@ 
                 // make sure $routes is an array
                 $routes = (array) $routes;
                 if (in_array($this->_current_route, $routes)) {
-                    $this->_scripts_styles['registers'][ $ref ]['type'] == 'js' ? wp_enqueue_script($ref)
+                    $this->_scripts_styles['registers'][$ref]['type'] == 'js' ? wp_enqueue_script($ref)
                         : wp_enqueue_style($ref);
                     // if we have a localization for the script let's do that too.
-                    if (isset($this->_scripts_styles['localize'][ $ref ])) {
-                        foreach ($this->_scripts_styles['localize'][ $ref ] as $object_name => $indexes) {
+                    if (isset($this->_scripts_styles['localize'][$ref])) {
+                        foreach ($this->_scripts_styles['localize'][$ref] as $object_name => $indexes) {
                             wp_localize_script(
                                 $ref,
                                 $object_name,
-                                $this->_scripts_styles['localize'][ $ref ][ $object_name ]
+                                $this->_scripts_styles['localize'][$ref][$object_name]
                             );
                         }
                     }
                 }
             }
             // let's do the deregisters
-            if (! isset($this->_scripts_styles['deregisters'])) {
+            if ( ! isset($this->_scripts_styles['deregisters'])) {
                 return;
             }
             foreach ($this->_scripts_styles['deregisters'] as $ref => $details) {
@@ -424,20 +424,20 @@ 
         // change "the_message" to "the message"
         $class_name = str_replace('_', ' ', $this->_name);
         // change "the message" to "The_Message_Admin_Page"
-        $class_name = str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
+        $class_name = str_replace(' ', '_', ucwords($class_name)).'_Admin_Page';
         // first default file (if exists)
-        $decaf_file = EE_ADMIN_PAGES . $this->_name . '/' . $class_name . '.core.php';
+        $decaf_file = EE_ADMIN_PAGES.$this->_name.'/'.$class_name.'.core.php';
         if (is_readable($decaf_file)) {
             require_once($decaf_file);
         }
         // now we have to do require for extended file (if needed)
         if ($this->_extend) {
-            require_once(EE_CORE_CAF_ADMIN_EXTEND . $this->_name . '/Extend_' . $class_name . '.core.php');
+            require_once(EE_CORE_CAF_ADMIN_EXTEND.$this->_name.'/Extend_'.$class_name.'.core.php');
             // and extend the class name as well
-            $class_name = 'Extend_' . $class_name;
+            $class_name = 'Extend_'.$class_name;
         }
         // let's make sure the class exists
-        if (! class_exists($class_name)) {
+        if ( ! class_exists($class_name)) {
             $msg[] = esc_html__('We can\'t load the page object', 'event_espresso');
             $msg[] = sprintf(
                 esc_html__(
@@ -477,28 +477,28 @@ 
         // first the actions
         // note that these action hooks will have the $query_args value available.
         $admin_class_name = get_class($this->_adminpage_obj);
-        if (method_exists($this, '_redirect_action_early_' . $this->_current_route)) {
+        if (method_exists($this, '_redirect_action_early_'.$this->_current_route)) {
             add_action(
                 'AHEE__'
                 . $admin_class_name
                 . '___redirect_after_action__before_redirect_modification_'
                 . $this->_current_route,
-                [$this, '_redirect_action_early_' . $this->_current_route],
+                [$this, '_redirect_action_early_'.$this->_current_route],
                 10
             );
         }
-        if (method_exists($this, '_redirect_action_' . $this->_current_route)) {
+        if (method_exists($this, '_redirect_action_'.$this->_current_route)) {
             add_action(
-                'AHEE_redirect_' . $admin_class_name . $this->_current_route,
-                [$this, '_redirect_action_' . $this->_current_route],
+                'AHEE_redirect_'.$admin_class_name.$this->_current_route,
+                [$this, '_redirect_action_'.$this->_current_route],
                 10
             );
         }
         // let's hook into the _redirect itself and allow for changing where the user goes after redirect.  This will have $query_args and $redirect_url available.
-        if (method_exists($this, '_redirect_filter_' . $this->_current_route)) {
+        if (method_exists($this, '_redirect_filter_'.$this->_current_route)) {
             add_filter(
-                'FHEE_redirect_' . $admin_class_name . $this->_current_route,
-                [$this, '_redirect_filter_' . $this->_current_route],
+                'FHEE_redirect_'.$admin_class_name.$this->_current_route,
+                [$this, '_redirect_filter_'.$this->_current_route],
                 10,
                 2
             );
@@ -523,12 +523,12 @@ 
                 'argnum'   => 1,
                 'priority' => 10,
             ],
-            'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug . '_' . $this->_current_route => [
+            'FHEE_list_table_views_'.$this->_adminpage_obj->page_slug.'_'.$this->_current_route => [
                 'type'     => 'filter',
                 'argnum'   => 1,
                 'priority' => 10,
             ],
-            'FHEE_list_table_views_' . $this->_adminpage_obj->page_slug                               => [
+            'FHEE_list_table_views_'.$this->_adminpage_obj->page_slug                               => [
                 'type'     => 'filter',
                 'argnum'   => 1,
                 'priority' => 10,
@@ -545,21 +545,21 @@ 
             ],
         ];
         foreach ($hook_filter_array as $hook => $args) {
-            if (method_exists($this, $this->_current_route . '_' . $hook)) {
-                if (isset($this->_wp_action_filters_priority[ $hook ])) {
-                    $args['priority'] = $this->_wp_action_filters_priority[ $hook ];
+            if (method_exists($this, $this->_current_route.'_'.$hook)) {
+                if (isset($this->_wp_action_filters_priority[$hook])) {
+                    $args['priority'] = $this->_wp_action_filters_priority[$hook];
                 }
                 if ($args['type'] == 'action') {
                     add_action(
                         $hook,
-                        [$this, $this->_current_route . '_' . $hook],
+                        [$this, $this->_current_route.'_'.$hook],
                         $args['priority'],
                         $args['argnum']
                     );
                 } else {
                     add_filter(
                         $hook,
-                        [$this, $this->_current_route . '_' . $hook],
+                        [$this, $this->_current_route.'_'.$hook],
                         $args['priority'],
                         $args['argnum']
                     );
@@ -583,11 +583,11 @@ 
         } //get out there's nothing to take care of.
         foreach ($this->_ajax_func as $action => $method) {
             // make sure method exists
-            if (! method_exists($this, $method)) {
+            if ( ! method_exists($this, $method)) {
                 $msg[] = esc_html__(
                     'There is no corresponding method for the hook labeled in the _ajax_func array',
                     'event_espresso'
-                ) . '<br />';
+                ).'<br />';
                 $msg[] = sprintf(
                     esc_html__(
                         'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
@@ -598,7 +598,7 @@ 
                 );
                 throw new EE_Error(implode('||', $msg));
             }
-            add_action('wp_ajax_' . $action, [$this, $method]);
+            add_action('wp_ajax_'.$action, [$this, $method]);
         }
     }
 
@@ -618,11 +618,11 @@ 
         // We need to determine what page_route we are on!
         foreach ($this->_init_func as $route => $method) {
             // make sure method exists
-            if (! method_exists($this, $method)) {
+            if ( ! method_exists($this, $method)) {
                 $msg[] = esc_html__(
                     'There is no corresponding method for the hook labeled in the _init_func array',
                     'event_espresso'
-                ) . '<br />';
+                ).'<br />';
                 $msg[] = sprintf(
                     esc_html__(
                         'The method name given in the array is %s, check the spelling and make sure it exists in the %s class',
@@ -665,7 +665,7 @@ 
     {
 
         foreach ($boxes as $box) {
-            if (! isset($box['page_route'])) {
+            if ( ! isset($box['page_route'])) {
                 continue;
             }
             // we don't have a valid array
@@ -713,11 +713,11 @@ 
         $screen_id      = is_object($current_screen) ? $current_screen->id : null;
         $func           = isset($args['func']) ? $args['func'] : 'some_invalid_callback';
         // set defaults
-        $defaults      = [
+        $defaults = [
             'callback_args' => [],
             'context'       => 'advanced',
             'func'          => $func,
-            'id'            => $this->caller . '_' . $func . '_metabox',
+            'id'            => $this->caller.'_'.$func.'_metabox',
             'label'         => $this->caller,
             'page'          => isset($args['page']) ? $args['page'] : $screen_id,
             'priority'      => 'default',
@@ -731,7 +731,7 @@ 
         $page          = $args['page'];
         $priority      = $args['priority'];
         // make sure method exists
-        if (! method_exists($this, $func)) {
+        if ( ! method_exists($this, $func)) {
             $msg[] =
                 esc_html__('There is no corresponding method to display the metabox content', 'event_espresso')
                 . '<br />';
@@ -760,7 +760,7 @@ 
             'context' => 'default',
             'id'      => isset($args['id'])
                 ? $args['id']
-                : $this->_current_route . '_' . $this->caller . '_' . $func . '_metabox',
+                : $this->_current_route.'_'.$this->caller.'_'.$func.'_metabox',
             'screen'  => isset($args['screen']) ? $args['screen'] : $screen_id,
         ];
         $args     = wp_parse_args($args, $defaults);

core/admin/EE_Admin_Page_Loader.core.php

Indentation +661 added lines, -661 removed lines

@@ -14,665 +14,665 @@
 class EE_Admin_Page_Loader
 {
 
-    /**
-     * _installed_pages
-     * objects for page_init objects detected and loaded
-     *
-     * @access private
-     * @var EE_Admin_Page_Init[]
-     */
-    private $_installed_pages = [];
-
-
-    /**
-     * this is used to hold the registry of menu slugs for all the installed admin pages
-     *
-     * @var array
-     */
-    private $_menu_slugs = [];
-
-
-    /**
-     * _caffeinated_extends
-     * This array is the generated configuration array for which core EE_Admin pages are extended (and the bits and
-     * pieces needed to do so).  This property is defined in the _set_caffeinated method.
-     *
-     * @var array
-     */
-    private $_caffeinated_extends = [];
-
-    /**
-     * _prepped_menu_maps
-     * This is the prepared array of EE_Admin_Page_Menu_Maps for adding to the admin_menu.
-     *
-     * @since  4.4.0
-     * @var EE_Admin_Page_Menu_Map[]
-     */
-    private $_prepped_menu_maps = [];
-
-
-    /**
-     * _admin_menu_groups
-     * array that holds the group headings and details for
-     *
-     * @access private
-     * @var array
-     */
-    private $_admin_menu_groups = [];
-
-
-    /**
-     * This property will hold the hook file for setting up the filter that does all the connections between admin
-     * pages.
-     *
-     * @var string
-     */
-    public $hook_file;
-
-    /**
-     * @var LoaderInterface
-     */
-    protected $loader;
-
-
-    /**
-     * @throws EE_Error
-     */
-    public function __construct(LoaderInterface $loader)
-    {
-        $this->loader = $loader;
-        // define the default "groups" for the admin_pages
-        $this->_set_menu_groups();
-        // let's do a scan and see what installed pages we have
-        $this->_get_installed_pages();
-        // set menus (has to be done on every load - we're not actually loading the page just setting the menus and where they point to).
-        add_action('admin_menu', [$this, 'set_menus']);
-        add_action('network_admin_menu', [$this, 'set_network_menus']);
-    }
-
-
-    /**
-     * When caffeinated system is detected, this method is called to setup the caffeinated directory constants used by
-     * files in the caffeinated folder.
-     *
-     * @access private
-     * @return void
-     */
-    private function _define_caffeinated_constants()
-    {
-        if (! defined('EE_CORE_CAF_ADMIN')) {
-            define('EE_CORE_CAF_ADMIN', EE_PLUGIN_DIR_PATH . 'caffeinated/admin/');
-            define('EE_CORE_CAF_ADMIN_URL', EE_PLUGIN_DIR_URL . 'caffeinated/admin/');
-            define('EE_CORE_CAF_ADMIN_NEW', EE_CORE_CAF_ADMIN . 'new/');
-            define('EE_CORE_CAF_ADMIN_EXTEND', EE_CORE_CAF_ADMIN . 'extend/');
-            define('EE_CORE_CAF_ADMIN_EXTEND_URL', EE_CORE_CAF_ADMIN_URL . 'extend/');
-            define('EE_CORE_CAF_ADMIN_HOOKS', EE_CORE_CAF_ADMIN . 'hooks/');
-        }
-    }
-
-
-    /**
-     * _set_menu_groups
-     * sets the filterable _admin_menu_groups property (list of various "groupings" within the EE admin menu array)
-     *
-     * @access private
-     * @return void
-     */
-    private function _set_menu_groups()
-    {
-        // set array of EE_Admin_Page_Menu_Group objects
-        $this->_admin_menu_groups = apply_filters(
-            'FHEE__EE_Admin_Page_Loader___set_menu_groups__admin_menu_groups',
-            [
-                'main'       => $this->loader->getNew(
-                    'EE_Admin_Page_Menu_Group',
-                    [
-                        'menu_label'   => esc_html__('Main', 'event_espresso'),
-                        'show_on_menu' => EE_Admin_Page_Menu_Map::NONE,
-                        'menu_slug'    => 'main',
-                        'capability'   => 'ee_read_ee',
-                        'menu_order'   => 0,
-                        'parent_slug'  => 'espresso_events',
-                    ]
-                ),
-                'management' => $this->loader->getNew(
-                    'EE_Admin_Page_Menu_Group',
-                    [
-                        'menu_label'   => esc_html__('Management', 'event_espresso'),
-                        'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_ADMIN_ONLY,
-                        'menu_slug'    => 'management',
-                        'capability'   => 'ee_read_ee',
-                        'menu_order'   => 10,
-                        'parent_slug'  => 'espresso_events',
-                    ]
-                ),
-                'settings'   => $this->loader->getNew(
-                    'EE_Admin_Page_Menu_Group',
-                    [
-                        'menu_label'   => esc_html__('Settings', 'event_espresso'),
-                        'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_ADMIN_ONLY,
-                        'menu_slug'    => 'settings',
-                        'capability'   => 'ee_read_ee',
-                        'menu_order'   => 30,
-                        'parent_slug'  => 'espresso_events',
-                    ]
-                ),
-                'templates'  => $this->loader->getNew(
-                    'EE_Admin_Page_Menu_Group',
-                    [
-                        'menu_label'   => esc_html__('Templates', 'event_espresso'),
-                        'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_ADMIN_ONLY,
-                        'menu_slug'    => 'templates',
-                        'capability'   => 'ee_read_ee',
-                        'menu_order'   => 40,
-                        'parent_slug'  => 'espresso_events',
-                    ]
-                ),
-                'extras'     => $this->loader->getNew(
-                    'EE_Admin_Page_Menu_Group',
-                    [
-                        'menu_label'              => esc_html__('Extras', 'event_espresso'),
-                        'show_on_menu'            => EE_Admin_Page_Menu_Map::BLOG_AND_NETWORK_ADMIN,
-                        'menu_slug'               => 'extras',
-                        'capability'              => 'ee_read_ee',
-                        'menu_order'              => 50,
-                        'parent_slug'             => 'espresso_events',
-                        'maintenance_mode_parent' => 'espresso_maintenance_settings',
-                    ]
-                ),
-                'tools'      => $this->loader->getNew(
-                    'EE_Admin_Page_Menu_Group',
-                    [
-                        'menu_label'   => esc_html__('Tools', 'event_espresso'),
-                        'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_ADMIN_ONLY,
-                        'menu_slug'    => 'tools',
-                        'capability'   => 'ee_read_ee',
-                        'menu_order'   => 60,
-                        'parent_slug'  => 'espresso_events',
-                    ]
-                ),
-                'addons'     => $this->loader->getNew(
-                    'EE_Admin_Page_Menu_Group',
-                    [
-                        'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_AND_NETWORK_ADMIN,
-                        'menu_label'   => esc_html__('Add-ons', 'event_espresso'),
-                        'menu_slug'    => 'addons',
-                        'capability'   => 'ee_read_ee',
-                        'menu_order'   => 20,
-                        'parent_slug'  => 'espresso_events',
-                    ]
-                ),
-            ]
-        );
-    }
-
-
-    /**
-     * This takes all the groups in the _admin_menu_groups array and returns the array indexed by group
-     * slug.  The other utility with this function is it validates that all the groups are instances of
-     * EE_Admin_Page_Menu_Group (cause some invalid things might have slipped in via addons).
-     *
-     * @return EE_Admin_Page_Menu_Group[]
-     * @throws EE_Error
-     * @since  4.4.0
-     */
-    private function _rearrange_menu_groups()
-    {
-        $groups = [];
-        // first let's order the menu groups by their internal menu order (note usort type hinting to ensure the incoming array is EE_Admin_Page_Menu_Map objects )
-        usort($this->_admin_menu_groups, [$this, '_sort_menu_maps']);
-        foreach ($this->_admin_menu_groups as $group) {
-            if (! $group instanceof EE_Admin_Page_Menu_Group) {
-                throw new EE_Error(
-                    sprintf(
-                        esc_html__(
-                            'Unable to continue sorting the menu groups array because there is an invalid value for the menu groups.  All values in this array are required to be a EE_Admin_Page_Menu_Group object.  Instead there was: %s',
-                            'event_espresso'
-                        ),
-                        print_r($group, true)
-                    )
-                );
-            }
-            $groups[ $group->menu_slug ] = $group;
-        }
-        return $groups;
-    }
-
-
-    /**
-     * _get_installed_pages
-     * This just gets the list of installed EE_Admin_pages.
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     */
-    private function _get_installed_pages()
-    {
-        $installed_refs = [];
-        $exclude        = ['assets', 'templates'];
-        // grab everything in the  admin core directory
-        $admin_screens = glob(EE_ADMIN_PAGES . '*', GLOB_ONLYDIR);
-        if ($admin_screens) {
-            foreach ($admin_screens as $admin_screen) {
-                // files and anything in the exclude array need not apply
-                if (is_dir($admin_screen) && ! in_array(basename($admin_screen), $exclude)) {
-                    // these folders represent the different EE admin pages
-                    $installed_refs[ basename($admin_screen) ] = $admin_screen;
-                }
-            }
-        }
-        if (empty($installed_refs)) {
-            $error_msg[] = esc_html__(
-                'There are no EE_Admin pages detected, it looks like EE did not install properly',
-                'event_espresso'
-            );
-            $error_msg[] = $error_msg[0] . "\r\n"
-                           . sprintf(
-                               esc_html__(
-                                   'Check that the %s folder exists and is writable. Maybe try deactivating, then reactivating Event Espresso again.',
-                                   'event_espresso'
-                               ),
-                               EE_ADMIN_PAGES
-                           );
-            throw new EE_Error(implode('||', $error_msg));
-        }
-        // this just checks the caffeinated folder and takes care of setting up any caffeinated stuff.
-        $installed_refs = $this->_set_caffeinated($installed_refs);
-        // allow plugins to add in their own pages (note at this point they will need to have an autoloader defined for their class) OR hook into EEH_Autoloader::load_admin_page() to add their path.;
-        $installed_refs             = apply_filters(
-            'FHEE__EE_Admin_Page_Loader___get_installed_pages__installed_refs',
-            $installed_refs
-        );
-        $this->_caffeinated_extends = apply_filters(
-            'FHEE__EE_Admin_Page_Loader___get_installed_pages__caffeinated_extends',
-            $this->_caffeinated_extends
-        );
-        // loop through admin pages and setup the $_installed_pages array.
-        $hooks_ref = [];
-        foreach ($installed_refs as $page => $path) {
-            // set autoloaders for our admin page classes based on included path information
-            EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder($path);
-            // build list of installed pages
-            $admin_init_page = $this->_load_admin_page($page);
-            // verify returned object
-            if ($admin_init_page instanceof EE_Admin_Page_Init) {
-                $this->_installed_pages[ $page ] = $admin_init_page;
-                if (! $admin_init_page->get_menu_map() instanceof EE_Admin_Page_Menu_Map) {
-                    continue;
-                }
-                // skip if in full maintenance mode and maintenance_mode_parent is set
-                $maintenance_mode_parent = $admin_init_page->get_menu_map()->maintenance_mode_parent;
-                if (
-                    empty($maintenance_mode_parent)
-                    && EE_Maintenance_Mode::instance()->level() === EE_Maintenance_Mode::level_2_complete_maintenance
-                ) {
-                    unset($installed_refs[ $page ]);
-                    continue;
-                }
-                $menu_slug                       = $admin_init_page->get_menu_map()->menu_slug;
-                $this->_menu_slugs[ $menu_slug ] = $page;
-                // flag for register hooks on extended pages b/c extended pages use the default INIT.
-                $extend = false;
-                // now that we've got the admin_init objects... lets see if there are any caffeinated pages extending the originals.  If there are then let's hook into the init admin filter and load our extend instead.
-                if (isset($this->_caffeinated_extends[ $page ])) {
-                    $admin_page_name = $admin_init_page->get_admin_page_name();
-                    $caf_path        = $this->_caffeinated_extends[ $page ]['path'];
-                    $caf_admin_page  = $this->_caffeinated_extends[ $page ]['admin_page'];
-                    add_filter(
-                        "FHEE__EE_Admin_Page_Init___initialize_admin_page__path_to_file__{$menu_slug}_{$admin_page_name}",
-                        function ($path_to_file) use ($caf_path) {
-                            return $caf_path;
-                        }
-                    );
-                    add_filter(
-                        "FHEE__EE_Admin_Page_Init___initialize_admin_page__admin_page__{$menu_slug}_{$admin_page_name}",
-                        function ($admin_page) use ($caf_admin_page) {
-                            return $caf_admin_page;
-                        }
-                    );
-                    $extend = true;
-                }
-                // let's do the registered hooks
-                $extended_hooks = $admin_init_page->register_hooks($extend);
-                $hooks_ref      = array_merge($hooks_ref, $extended_hooks);
-            }
-        }
-        // the hooks_ref is all the pages where we have $extended _Hooks files
-        // that will extend a class in a different folder.
-        // So we want to make sure we load the file for the parent.
-        // first make sure we've got unique values
-        $hooks_ref = array_unique($hooks_ref);
-        // now let's loop and require!
-        foreach ($hooks_ref as $path) {
-            require_once($path);
-        }
-        // make sure we have menu slugs global setup. Used in EE_Admin_Page->page_setup() to ensure we don't do a full class load for an admin page that isn't requested.
-        global $ee_menu_slugs;
-        $ee_menu_slugs = $this->_menu_slugs;
-        // we need to loop again to run any early code
-        foreach ($installed_refs as $page => $path) {
-            $this->_installed_pages[ $page ]->do_initial_loads();
-        }
-        do_action('AHEE__EE_Admin_Page_Loader___get_installed_pages_loaded', $this->_installed_pages);
-    }
-
-
-    /**
-     * get_admin_page_object
-     *
-     * @param string $page_slug
-     * @return EE_Admin_Page
-     */
-    public function get_admin_page_object($page_slug = '')
-    {
-        if (isset($this->_installed_pages[ $page_slug ])) {
-            return $this->_installed_pages[ $page_slug ]->loaded_page_object();
-        }
-        return null;
-    }
-
-
-    /**
-     * _get_classname_for_admin_page
-     * generates an "Admin Page" class based on the directory  name
-     *
-     * @param $dir_name
-     * @return string
-     */
-    private function _get_classname_for_admin_page($dir_name = '')
-    {
-        $class_name = str_replace('_', ' ', strtolower($dir_name));
-        return str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
-    }
-
-
-    /**
-     * _get_classname_for_admin_init_page
-     * generates an "Admin Page Init" class based on the directory  name
-     *
-     * @param $dir_name
-     * @return string
-     */
-    private function _get_classname_for_admin_init_page($dir_name = '')
-    {
-        $class_name = str_replace('_', ' ', strtolower($dir_name));
-        return str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page_Init';
-    }
-
-
-    /**
-     * _load_admin_page
-     * Loads and instantiates page_init object for a single EE_admin page.
-     *
-     * @param string $page page_reference
-     * @return object|bool  return page object if valid, bool false if not.
-     * @throws EE_Error
-     */
-    private function _load_admin_page($page = '')
-    {
-        $class_name = $this->_get_classname_for_admin_init_page($page);
-        if (class_exists($class_name)) {
-            return $this->loader->getShared($class_name);
-        }
-        $error_msg = sprintf(
-            esc_html__('Something went wrong with loading the %s admin page.', 'event_espresso'),
-            $page
-        );
-        $error_msg .= '||'; // separates public from developer messages
-        $error_msg .= "\r\n";
-        $error_msg .= sprintf(
-            esc_html__('There is no Init class in place for the %s admin page.', 'event_espresso'),
-            $page
-        );
-        $error_msg .= '<br />';
-        $error_msg .= sprintf(
-            esc_html__(
-                'Make sure you have %1$s defined. If this is a non-EE-core admin page then you also must have an autoloader in place for your class',
-                'event_espresso'
-            ),
-            '<strong>' . $class_name . '</strong>'
-        );
-        throw new EE_Error($error_msg);
-    }
-
-
-    /**
-     * set_menus
-     * This method sets up the menus for EE Admin Pages
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     */
-    public function set_menus($network_admin = false)
-    {
-        // prep the menu pages (sort, group.)
-        $this->_prep_pages();
-        foreach ($this->_prepped_menu_maps as $menu_map) {
-            if (EE_Registry::instance()->CAP->current_user_can($menu_map->capability, $menu_map->menu_slug)) {
-                $menu_map->add_menu_page($network_admin);
-            }
-        }
-    }
-
-
-    /**
-     * set_network_menus
-     * This method sets up the menus for network EE Admin Pages.
-     * Almost identical to EE_Admin_Page_Loader::set_menus() except pages
-     * are only added to the menu map if they are intended for the admin menu
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function set_network_menus()
-    {
-        $this->set_menus(true);
-    }
-
-
-    /**
-     * _prep_pages
-     * sets the _prepped_menu_maps property
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     */
-    private function _prep_pages()
-    {
-        $pages_array = [];
-        // rearrange _admin_menu_groups to be indexed by group slug.
-        $menu_groups = $this->_rearrange_menu_groups();
-        foreach ($this->_installed_pages as $page) {
-            if ($page instanceof EE_Admin_page_Init) {
-                $page_map = $page->get_menu_map();
-                // if we've got an array then the menu map is in the old format so let's throw a persistent notice that the admin system isn't setup correctly for this item.
-                if (is_array($page_map) || empty($page_map)) {
-                    new PersistentAdminNotice(
-                        'menu_map_warning_' . str_replace(' ', '_', $page->label) . '_' . EVENT_ESPRESSO_VERSION,
-                        sprintf(
-                            esc_html__(
-                                'The admin page for %s was not correctly setup because it is using an older method for integrating with Event Espresso Core.  This means that full functionality for this component is not available.  This error message usually appears with an Add-on that is out of date.  Make sure you update all your Event Espresso 4 add-ons to the latest version to ensure they have necessary compatibility updates in place.',
-                                'event_espresso'
-                            ),
-                            $page->label
-                        )
-                    );
-                    continue;
-                }
-                // if page map is NOT a EE_Admin_Page_Menu_Map object then throw error.
-                if (! $page_map instanceof EE_Admin_Page_Menu_Map) {
-                    throw new EE_Error(
-                        sprintf(
-                            esc_html__(
-                                'The menu map for %s must be an EE_Admin_Page_Menu_Map object.  Instead it is %s.  Please double check that the menu map has been configured correctly.',
-                                'event_espresso'
-                            ),
-                            $page->label,
-                            $page_map
-                        )
-                    );
-                }
-                // use the maintenance_mode_parent property and maintenance mode status to determine if this page even gets added to array.
-                if (
-                    empty($page_map->maintenance_mode_parent)
-                    && EE_Maintenance_Mode::instance()->level() == EE_Maintenance_Mode::level_2_complete_maintenance
-                ) {
-                    continue;
-                }
-                // assign to group (remember $page_map has the admin page stored in it).
-                $pages_array[ $page_map->menu_group ][] = $page_map;
-            }
-        }
-        if (empty($pages_array)) {
-            throw new EE_Error(esc_html__('Something went wrong when prepping the admin pages', 'event_espresso'));
-        }
-        // let's sort the groups, make sure it's a valid group, add header (if to show).
-        foreach ($pages_array as $group => $menu_maps) {
-            // valid_group?
-            if (! array_key_exists($group, $menu_groups)) {
-                continue;
-            }
-            // sort pages.
-            usort($menu_maps, [$this, '_sort_menu_maps']);
-            // prepend header
-            array_unshift($menu_maps, $menu_groups[ $group ]);
-            // reset $pages_array with prepped data
-            $pages_array[ $group ] = $menu_maps;
-        }
-        // now let's setup the _prepped_menu_maps property
-        foreach ($menu_groups as $group => $group_objs) {
-            if (isset($pages_array[ $group ])) {
-                $this->_prepped_menu_maps = array_merge($this->_prepped_menu_maps, $pages_array[ $group ]);
-            }
-        }/**/
-    }
-
-
-    /**
-     * This method is the "workhorse" for detecting and setting up caffeinated functionality.
-     * In this method there are three checks being done:
-     * 1. Do we have any NEW admin page sets.  If we do, lets add them into the menu setup (via the $installed_refs
-     * array) etc.  (new page sets are found in caffeinated/new/{page})
-     * 2. Do we have any EXTENDED page sets.  Basically an extended EE_Admin Page extends the core {child}_Admin_Page
-     * class.  eg. would be caffeinated/extend/events/Extend_Events_Admin_Page.core.php and in there would be a class:
-     * Extend_Events_Admin_Page extends Events_Admin_Page.
-     * 3. Do we have any files just for setting up hooks into other core pages.  The files can be any name in
-     * "caffeinated/hooks" EXCEPT they need a ".class.php" extension and the file name must correspond with the
-     * classname inside.  These classes are instantiated really early so that any hooks in them are run before the
-     * corresponding apply_filters/do_actions that are found in any future loaded EE_Admin pages (INCLUDING caffeinated
-     * admin_pages)
-     *
-     * @param array $installed_refs the original installed_refs array that may contain our NEW EE_Admin_Pages to be
-     *                              loaded.
-     * @return array
-     * @throws EE_Error
-     * @throws EE_Error
-     */
-    private function _set_caffeinated($installed_refs)
-    {
-
-        // first let's check if there IS a caffeinated folder. If there is not then lets get out.
-        if (! is_dir(EE_PLUGIN_DIR_PATH . 'caffeinated/admin') || (defined('EE_DECAF') && EE_DECAF)) {
-            return $installed_refs;
-        }
-        $this->_define_caffeinated_constants();
-        $exclude = ['tickets'];
-        // okay let's setup an "New" pages first (we'll return installed refs later)
-        $new_admin_screens = glob(EE_CORE_CAF_ADMIN . 'new/*', GLOB_ONLYDIR);
-        if ($new_admin_screens) {
-            foreach ($new_admin_screens as $admin_screen) {
-                // files and anything in the exclude array need not apply
-                if (is_dir($admin_screen) && ! in_array(basename($admin_screen), $exclude)) {
-                    // these folders represent the different NEW EE admin pages
-                    $installed_refs[ basename($admin_screen) ] = $admin_screen;
-                    // set autoloaders for our admin page classes based on included path information
-                    EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder($admin_screen);
-                }
-            }
-        }
-        // let's see if there are any EXTENDS to setup in the $_caffeinated_extends array (that will be used later for hooking into the _initialize_admin_age in the related core_init admin page)
-        $extends = glob(EE_CORE_CAF_ADMIN . 'extend/*', GLOB_ONLYDIR);
-        if ($extends) {
-            foreach ($extends as $extend) {
-                if (is_dir($extend)) {
-                    $extend_ref = basename($extend);
-                    // now let's make sure there is a file that matches the expected format
-                    $filename                                                = str_replace(
-                        ' ',
-                        '_',
-                        ucwords(
-                            str_replace(
-                                '_',
-                                ' ',
-                                $extend_ref
-                            )
-                        )
-                    );
-                    $filename                                                = 'Extend_' . $filename . '_Admin_Page';
-                    $this->_caffeinated_extends[ $extend_ref ]['path']       = str_replace(
-                        ['\\', '/'],
-                        '/',
-                        EE_CORE_CAF_ADMIN
-                        . 'extend/'
-                        . $extend_ref
-                        . '/'
-                        . $filename
-                        . '.core.php'
-                    );
-                    $this->_caffeinated_extends[ $extend_ref ]['admin_page'] = $filename;
-                    // set autoloaders for our admin page classes based on included path information
-                    EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder($extend);
-                }
-            }
-        }
-        // let's see if there are any HOOK files and instantiate them if there are (so that hooks are loaded early!).
-        $ee_admin_hooks = [];
-        $hooks          = glob(EE_CORE_CAF_ADMIN . 'hooks/*.class.php');
-        if ($hooks) {
-            foreach ($hooks as $hook) {
-                if (is_readable($hook)) {
-                    require_once $hook;
-                    $classname = str_replace(EE_CORE_CAF_ADMIN . 'hooks/', '', $hook);
-                    $classname = str_replace('.class.php', '', $classname);
-                    if (class_exists($classname)) {
-                        $ee_admin_hooks[] = $this->loader->getShared($classname);
-                    }
-                }
-            }
-        }
-        apply_filters('FHEE__EE_Admin_Page_Loader__set_caffeinated__ee_admin_hooks', $ee_admin_hooks);
-        return $installed_refs;
-    }
-
-
-    /**
-     * Utility method for sorting the _menu_maps (callback for usort php function)
-     *
-     * @param EE_Admin_Page_Menu_Map $a menu_map object
-     * @param EE_Admin_Page_Menu_Map $b being compared to
-     * @return int    sort order
-     * @since  4.4.0
-     */
-    private function _sort_menu_maps(EE_Admin_Page_Menu_Map $a, EE_Admin_Page_Menu_Map $b)
-    {
-        if ($a->menu_order == $b->menu_order) {
-            return 0;
-        }
-        return ($a->menu_order < $b->menu_order) ? -1 : 1;
-    }
-
-
-    /**
-     * _default_header_link
-     * This is just a dummy method to use with header submenu items
-     *
-     * @return bool false
-     */
-    public function _default_header_link()
-    {
-        return false;
-    }
+	/**
+	 * _installed_pages
+	 * objects for page_init objects detected and loaded
+	 *
+	 * @access private
+	 * @var EE_Admin_Page_Init[]
+	 */
+	private $_installed_pages = [];
+
+
+	/**
+	 * this is used to hold the registry of menu slugs for all the installed admin pages
+	 *
+	 * @var array
+	 */
+	private $_menu_slugs = [];
+
+
+	/**
+	 * _caffeinated_extends
+	 * This array is the generated configuration array for which core EE_Admin pages are extended (and the bits and
+	 * pieces needed to do so).  This property is defined in the _set_caffeinated method.
+	 *
+	 * @var array
+	 */
+	private $_caffeinated_extends = [];
+
+	/**
+	 * _prepped_menu_maps
+	 * This is the prepared array of EE_Admin_Page_Menu_Maps for adding to the admin_menu.
+	 *
+	 * @since  4.4.0
+	 * @var EE_Admin_Page_Menu_Map[]
+	 */
+	private $_prepped_menu_maps = [];
+
+
+	/**
+	 * _admin_menu_groups
+	 * array that holds the group headings and details for
+	 *
+	 * @access private
+	 * @var array
+	 */
+	private $_admin_menu_groups = [];
+
+
+	/**
+	 * This property will hold the hook file for setting up the filter that does all the connections between admin
+	 * pages.
+	 *
+	 * @var string
+	 */
+	public $hook_file;
+
+	/**
+	 * @var LoaderInterface
+	 */
+	protected $loader;
+
+
+	/**
+	 * @throws EE_Error
+	 */
+	public function __construct(LoaderInterface $loader)
+	{
+		$this->loader = $loader;
+		// define the default "groups" for the admin_pages
+		$this->_set_menu_groups();
+		// let's do a scan and see what installed pages we have
+		$this->_get_installed_pages();
+		// set menus (has to be done on every load - we're not actually loading the page just setting the menus and where they point to).
+		add_action('admin_menu', [$this, 'set_menus']);
+		add_action('network_admin_menu', [$this, 'set_network_menus']);
+	}
+
+
+	/**
+	 * When caffeinated system is detected, this method is called to setup the caffeinated directory constants used by
+	 * files in the caffeinated folder.
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _define_caffeinated_constants()
+	{
+		if (! defined('EE_CORE_CAF_ADMIN')) {
+			define('EE_CORE_CAF_ADMIN', EE_PLUGIN_DIR_PATH . 'caffeinated/admin/');
+			define('EE_CORE_CAF_ADMIN_URL', EE_PLUGIN_DIR_URL . 'caffeinated/admin/');
+			define('EE_CORE_CAF_ADMIN_NEW', EE_CORE_CAF_ADMIN . 'new/');
+			define('EE_CORE_CAF_ADMIN_EXTEND', EE_CORE_CAF_ADMIN . 'extend/');
+			define('EE_CORE_CAF_ADMIN_EXTEND_URL', EE_CORE_CAF_ADMIN_URL . 'extend/');
+			define('EE_CORE_CAF_ADMIN_HOOKS', EE_CORE_CAF_ADMIN . 'hooks/');
+		}
+	}
+
+
+	/**
+	 * _set_menu_groups
+	 * sets the filterable _admin_menu_groups property (list of various "groupings" within the EE admin menu array)
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _set_menu_groups()
+	{
+		// set array of EE_Admin_Page_Menu_Group objects
+		$this->_admin_menu_groups = apply_filters(
+			'FHEE__EE_Admin_Page_Loader___set_menu_groups__admin_menu_groups',
+			[
+				'main'       => $this->loader->getNew(
+					'EE_Admin_Page_Menu_Group',
+					[
+						'menu_label'   => esc_html__('Main', 'event_espresso'),
+						'show_on_menu' => EE_Admin_Page_Menu_Map::NONE,
+						'menu_slug'    => 'main',
+						'capability'   => 'ee_read_ee',
+						'menu_order'   => 0,
+						'parent_slug'  => 'espresso_events',
+					]
+				),
+				'management' => $this->loader->getNew(
+					'EE_Admin_Page_Menu_Group',
+					[
+						'menu_label'   => esc_html__('Management', 'event_espresso'),
+						'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_ADMIN_ONLY,
+						'menu_slug'    => 'management',
+						'capability'   => 'ee_read_ee',
+						'menu_order'   => 10,
+						'parent_slug'  => 'espresso_events',
+					]
+				),
+				'settings'   => $this->loader->getNew(
+					'EE_Admin_Page_Menu_Group',
+					[
+						'menu_label'   => esc_html__('Settings', 'event_espresso'),
+						'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_ADMIN_ONLY,
+						'menu_slug'    => 'settings',
+						'capability'   => 'ee_read_ee',
+						'menu_order'   => 30,
+						'parent_slug'  => 'espresso_events',
+					]
+				),
+				'templates'  => $this->loader->getNew(
+					'EE_Admin_Page_Menu_Group',
+					[
+						'menu_label'   => esc_html__('Templates', 'event_espresso'),
+						'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_ADMIN_ONLY,
+						'menu_slug'    => 'templates',
+						'capability'   => 'ee_read_ee',
+						'menu_order'   => 40,
+						'parent_slug'  => 'espresso_events',
+					]
+				),
+				'extras'     => $this->loader->getNew(
+					'EE_Admin_Page_Menu_Group',
+					[
+						'menu_label'              => esc_html__('Extras', 'event_espresso'),
+						'show_on_menu'            => EE_Admin_Page_Menu_Map::BLOG_AND_NETWORK_ADMIN,
+						'menu_slug'               => 'extras',
+						'capability'              => 'ee_read_ee',
+						'menu_order'              => 50,
+						'parent_slug'             => 'espresso_events',
+						'maintenance_mode_parent' => 'espresso_maintenance_settings',
+					]
+				),
+				'tools'      => $this->loader->getNew(
+					'EE_Admin_Page_Menu_Group',
+					[
+						'menu_label'   => esc_html__('Tools', 'event_espresso'),
+						'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_ADMIN_ONLY,
+						'menu_slug'    => 'tools',
+						'capability'   => 'ee_read_ee',
+						'menu_order'   => 60,
+						'parent_slug'  => 'espresso_events',
+					]
+				),
+				'addons'     => $this->loader->getNew(
+					'EE_Admin_Page_Menu_Group',
+					[
+						'show_on_menu' => EE_Admin_Page_Menu_Map::BLOG_AND_NETWORK_ADMIN,
+						'menu_label'   => esc_html__('Add-ons', 'event_espresso'),
+						'menu_slug'    => 'addons',
+						'capability'   => 'ee_read_ee',
+						'menu_order'   => 20,
+						'parent_slug'  => 'espresso_events',
+					]
+				),
+			]
+		);
+	}
+
+
+	/**
+	 * This takes all the groups in the _admin_menu_groups array and returns the array indexed by group
+	 * slug.  The other utility with this function is it validates that all the groups are instances of
+	 * EE_Admin_Page_Menu_Group (cause some invalid things might have slipped in via addons).
+	 *
+	 * @return EE_Admin_Page_Menu_Group[]
+	 * @throws EE_Error
+	 * @since  4.4.0
+	 */
+	private function _rearrange_menu_groups()
+	{
+		$groups = [];
+		// first let's order the menu groups by their internal menu order (note usort type hinting to ensure the incoming array is EE_Admin_Page_Menu_Map objects )
+		usort($this->_admin_menu_groups, [$this, '_sort_menu_maps']);
+		foreach ($this->_admin_menu_groups as $group) {
+			if (! $group instanceof EE_Admin_Page_Menu_Group) {
+				throw new EE_Error(
+					sprintf(
+						esc_html__(
+							'Unable to continue sorting the menu groups array because there is an invalid value for the menu groups.  All values in this array are required to be a EE_Admin_Page_Menu_Group object.  Instead there was: %s',
+							'event_espresso'
+						),
+						print_r($group, true)
+					)
+				);
+			}
+			$groups[ $group->menu_slug ] = $group;
+		}
+		return $groups;
+	}
+
+
+	/**
+	 * _get_installed_pages
+	 * This just gets the list of installed EE_Admin_pages.
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _get_installed_pages()
+	{
+		$installed_refs = [];
+		$exclude        = ['assets', 'templates'];
+		// grab everything in the  admin core directory
+		$admin_screens = glob(EE_ADMIN_PAGES . '*', GLOB_ONLYDIR);
+		if ($admin_screens) {
+			foreach ($admin_screens as $admin_screen) {
+				// files and anything in the exclude array need not apply
+				if (is_dir($admin_screen) && ! in_array(basename($admin_screen), $exclude)) {
+					// these folders represent the different EE admin pages
+					$installed_refs[ basename($admin_screen) ] = $admin_screen;
+				}
+			}
+		}
+		if (empty($installed_refs)) {
+			$error_msg[] = esc_html__(
+				'There are no EE_Admin pages detected, it looks like EE did not install properly',
+				'event_espresso'
+			);
+			$error_msg[] = $error_msg[0] . "\r\n"
+						   . sprintf(
+							   esc_html__(
+								   'Check that the %s folder exists and is writable. Maybe try deactivating, then reactivating Event Espresso again.',
+								   'event_espresso'
+							   ),
+							   EE_ADMIN_PAGES
+						   );
+			throw new EE_Error(implode('||', $error_msg));
+		}
+		// this just checks the caffeinated folder and takes care of setting up any caffeinated stuff.
+		$installed_refs = $this->_set_caffeinated($installed_refs);
+		// allow plugins to add in their own pages (note at this point they will need to have an autoloader defined for their class) OR hook into EEH_Autoloader::load_admin_page() to add their path.;
+		$installed_refs             = apply_filters(
+			'FHEE__EE_Admin_Page_Loader___get_installed_pages__installed_refs',
+			$installed_refs
+		);
+		$this->_caffeinated_extends = apply_filters(
+			'FHEE__EE_Admin_Page_Loader___get_installed_pages__caffeinated_extends',
+			$this->_caffeinated_extends
+		);
+		// loop through admin pages and setup the $_installed_pages array.
+		$hooks_ref = [];
+		foreach ($installed_refs as $page => $path) {
+			// set autoloaders for our admin page classes based on included path information
+			EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder($path);
+			// build list of installed pages
+			$admin_init_page = $this->_load_admin_page($page);
+			// verify returned object
+			if ($admin_init_page instanceof EE_Admin_Page_Init) {
+				$this->_installed_pages[ $page ] = $admin_init_page;
+				if (! $admin_init_page->get_menu_map() instanceof EE_Admin_Page_Menu_Map) {
+					continue;
+				}
+				// skip if in full maintenance mode and maintenance_mode_parent is set
+				$maintenance_mode_parent = $admin_init_page->get_menu_map()->maintenance_mode_parent;
+				if (
+					empty($maintenance_mode_parent)
+					&& EE_Maintenance_Mode::instance()->level() === EE_Maintenance_Mode::level_2_complete_maintenance
+				) {
+					unset($installed_refs[ $page ]);
+					continue;
+				}
+				$menu_slug                       = $admin_init_page->get_menu_map()->menu_slug;
+				$this->_menu_slugs[ $menu_slug ] = $page;
+				// flag for register hooks on extended pages b/c extended pages use the default INIT.
+				$extend = false;
+				// now that we've got the admin_init objects... lets see if there are any caffeinated pages extending the originals.  If there are then let's hook into the init admin filter and load our extend instead.
+				if (isset($this->_caffeinated_extends[ $page ])) {
+					$admin_page_name = $admin_init_page->get_admin_page_name();
+					$caf_path        = $this->_caffeinated_extends[ $page ]['path'];
+					$caf_admin_page  = $this->_caffeinated_extends[ $page ]['admin_page'];
+					add_filter(
+						"FHEE__EE_Admin_Page_Init___initialize_admin_page__path_to_file__{$menu_slug}_{$admin_page_name}",
+						function ($path_to_file) use ($caf_path) {
+							return $caf_path;
+						}
+					);
+					add_filter(
+						"FHEE__EE_Admin_Page_Init___initialize_admin_page__admin_page__{$menu_slug}_{$admin_page_name}",
+						function ($admin_page) use ($caf_admin_page) {
+							return $caf_admin_page;
+						}
+					);
+					$extend = true;
+				}
+				// let's do the registered hooks
+				$extended_hooks = $admin_init_page->register_hooks($extend);
+				$hooks_ref      = array_merge($hooks_ref, $extended_hooks);
+			}
+		}
+		// the hooks_ref is all the pages where we have $extended _Hooks files
+		// that will extend a class in a different folder.
+		// So we want to make sure we load the file for the parent.
+		// first make sure we've got unique values
+		$hooks_ref = array_unique($hooks_ref);
+		// now let's loop and require!
+		foreach ($hooks_ref as $path) {
+			require_once($path);
+		}
+		// make sure we have menu slugs global setup. Used in EE_Admin_Page->page_setup() to ensure we don't do a full class load for an admin page that isn't requested.
+		global $ee_menu_slugs;
+		$ee_menu_slugs = $this->_menu_slugs;
+		// we need to loop again to run any early code
+		foreach ($installed_refs as $page => $path) {
+			$this->_installed_pages[ $page ]->do_initial_loads();
+		}
+		do_action('AHEE__EE_Admin_Page_Loader___get_installed_pages_loaded', $this->_installed_pages);
+	}
+
+
+	/**
+	 * get_admin_page_object
+	 *
+	 * @param string $page_slug
+	 * @return EE_Admin_Page
+	 */
+	public function get_admin_page_object($page_slug = '')
+	{
+		if (isset($this->_installed_pages[ $page_slug ])) {
+			return $this->_installed_pages[ $page_slug ]->loaded_page_object();
+		}
+		return null;
+	}
+
+
+	/**
+	 * _get_classname_for_admin_page
+	 * generates an "Admin Page" class based on the directory  name
+	 *
+	 * @param $dir_name
+	 * @return string
+	 */
+	private function _get_classname_for_admin_page($dir_name = '')
+	{
+		$class_name = str_replace('_', ' ', strtolower($dir_name));
+		return str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
+	}
+
+
+	/**
+	 * _get_classname_for_admin_init_page
+	 * generates an "Admin Page Init" class based on the directory  name
+	 *
+	 * @param $dir_name
+	 * @return string
+	 */
+	private function _get_classname_for_admin_init_page($dir_name = '')
+	{
+		$class_name = str_replace('_', ' ', strtolower($dir_name));
+		return str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page_Init';
+	}
+
+
+	/**
+	 * _load_admin_page
+	 * Loads and instantiates page_init object for a single EE_admin page.
+	 *
+	 * @param string $page page_reference
+	 * @return object|bool  return page object if valid, bool false if not.
+	 * @throws EE_Error
+	 */
+	private function _load_admin_page($page = '')
+	{
+		$class_name = $this->_get_classname_for_admin_init_page($page);
+		if (class_exists($class_name)) {
+			return $this->loader->getShared($class_name);
+		}
+		$error_msg = sprintf(
+			esc_html__('Something went wrong with loading the %s admin page.', 'event_espresso'),
+			$page
+		);
+		$error_msg .= '||'; // separates public from developer messages
+		$error_msg .= "\r\n";
+		$error_msg .= sprintf(
+			esc_html__('There is no Init class in place for the %s admin page.', 'event_espresso'),
+			$page
+		);
+		$error_msg .= '<br />';
+		$error_msg .= sprintf(
+			esc_html__(
+				'Make sure you have %1$s defined. If this is a non-EE-core admin page then you also must have an autoloader in place for your class',
+				'event_espresso'
+			),
+			'<strong>' . $class_name . '</strong>'
+		);
+		throw new EE_Error($error_msg);
+	}
+
+
+	/**
+	 * set_menus
+	 * This method sets up the menus for EE Admin Pages
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function set_menus($network_admin = false)
+	{
+		// prep the menu pages (sort, group.)
+		$this->_prep_pages();
+		foreach ($this->_prepped_menu_maps as $menu_map) {
+			if (EE_Registry::instance()->CAP->current_user_can($menu_map->capability, $menu_map->menu_slug)) {
+				$menu_map->add_menu_page($network_admin);
+			}
+		}
+	}
+
+
+	/**
+	 * set_network_menus
+	 * This method sets up the menus for network EE Admin Pages.
+	 * Almost identical to EE_Admin_Page_Loader::set_menus() except pages
+	 * are only added to the menu map if they are intended for the admin menu
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function set_network_menus()
+	{
+		$this->set_menus(true);
+	}
+
+
+	/**
+	 * _prep_pages
+	 * sets the _prepped_menu_maps property
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _prep_pages()
+	{
+		$pages_array = [];
+		// rearrange _admin_menu_groups to be indexed by group slug.
+		$menu_groups = $this->_rearrange_menu_groups();
+		foreach ($this->_installed_pages as $page) {
+			if ($page instanceof EE_Admin_page_Init) {
+				$page_map = $page->get_menu_map();
+				// if we've got an array then the menu map is in the old format so let's throw a persistent notice that the admin system isn't setup correctly for this item.
+				if (is_array($page_map) || empty($page_map)) {
+					new PersistentAdminNotice(
+						'menu_map_warning_' . str_replace(' ', '_', $page->label) . '_' . EVENT_ESPRESSO_VERSION,
+						sprintf(
+							esc_html__(
+								'The admin page for %s was not correctly setup because it is using an older method for integrating with Event Espresso Core.  This means that full functionality for this component is not available.  This error message usually appears with an Add-on that is out of date.  Make sure you update all your Event Espresso 4 add-ons to the latest version to ensure they have necessary compatibility updates in place.',
+								'event_espresso'
+							),
+							$page->label
+						)
+					);
+					continue;
+				}
+				// if page map is NOT a EE_Admin_Page_Menu_Map object then throw error.
+				if (! $page_map instanceof EE_Admin_Page_Menu_Map) {
+					throw new EE_Error(
+						sprintf(
+							esc_html__(
+								'The menu map for %s must be an EE_Admin_Page_Menu_Map object.  Instead it is %s.  Please double check that the menu map has been configured correctly.',
+								'event_espresso'
+							),
+							$page->label,
+							$page_map
+						)
+					);
+				}
+				// use the maintenance_mode_parent property and maintenance mode status to determine if this page even gets added to array.
+				if (
+					empty($page_map->maintenance_mode_parent)
+					&& EE_Maintenance_Mode::instance()->level() == EE_Maintenance_Mode::level_2_complete_maintenance
+				) {
+					continue;
+				}
+				// assign to group (remember $page_map has the admin page stored in it).
+				$pages_array[ $page_map->menu_group ][] = $page_map;
+			}
+		}
+		if (empty($pages_array)) {
+			throw new EE_Error(esc_html__('Something went wrong when prepping the admin pages', 'event_espresso'));
+		}
+		// let's sort the groups, make sure it's a valid group, add header (if to show).
+		foreach ($pages_array as $group => $menu_maps) {
+			// valid_group?
+			if (! array_key_exists($group, $menu_groups)) {
+				continue;
+			}
+			// sort pages.
+			usort($menu_maps, [$this, '_sort_menu_maps']);
+			// prepend header
+			array_unshift($menu_maps, $menu_groups[ $group ]);
+			// reset $pages_array with prepped data
+			$pages_array[ $group ] = $menu_maps;
+		}
+		// now let's setup the _prepped_menu_maps property
+		foreach ($menu_groups as $group => $group_objs) {
+			if (isset($pages_array[ $group ])) {
+				$this->_prepped_menu_maps = array_merge($this->_prepped_menu_maps, $pages_array[ $group ]);
+			}
+		}/**/
+	}
+
+
+	/**
+	 * This method is the "workhorse" for detecting and setting up caffeinated functionality.
+	 * In this method there are three checks being done:
+	 * 1. Do we have any NEW admin page sets.  If we do, lets add them into the menu setup (via the $installed_refs
+	 * array) etc.  (new page sets are found in caffeinated/new/{page})
+	 * 2. Do we have any EXTENDED page sets.  Basically an extended EE_Admin Page extends the core {child}_Admin_Page
+	 * class.  eg. would be caffeinated/extend/events/Extend_Events_Admin_Page.core.php and in there would be a class:
+	 * Extend_Events_Admin_Page extends Events_Admin_Page.
+	 * 3. Do we have any files just for setting up hooks into other core pages.  The files can be any name in
+	 * "caffeinated/hooks" EXCEPT they need a ".class.php" extension and the file name must correspond with the
+	 * classname inside.  These classes are instantiated really early so that any hooks in them are run before the
+	 * corresponding apply_filters/do_actions that are found in any future loaded EE_Admin pages (INCLUDING caffeinated
+	 * admin_pages)
+	 *
+	 * @param array $installed_refs the original installed_refs array that may contain our NEW EE_Admin_Pages to be
+	 *                              loaded.
+	 * @return array
+	 * @throws EE_Error
+	 * @throws EE_Error
+	 */
+	private function _set_caffeinated($installed_refs)
+	{
+
+		// first let's check if there IS a caffeinated folder. If there is not then lets get out.
+		if (! is_dir(EE_PLUGIN_DIR_PATH . 'caffeinated/admin') || (defined('EE_DECAF') && EE_DECAF)) {
+			return $installed_refs;
+		}
+		$this->_define_caffeinated_constants();
+		$exclude = ['tickets'];
+		// okay let's setup an "New" pages first (we'll return installed refs later)
+		$new_admin_screens = glob(EE_CORE_CAF_ADMIN . 'new/*', GLOB_ONLYDIR);
+		if ($new_admin_screens) {
+			foreach ($new_admin_screens as $admin_screen) {
+				// files and anything in the exclude array need not apply
+				if (is_dir($admin_screen) && ! in_array(basename($admin_screen), $exclude)) {
+					// these folders represent the different NEW EE admin pages
+					$installed_refs[ basename($admin_screen) ] = $admin_screen;
+					// set autoloaders for our admin page classes based on included path information
+					EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder($admin_screen);
+				}
+			}
+		}
+		// let's see if there are any EXTENDS to setup in the $_caffeinated_extends array (that will be used later for hooking into the _initialize_admin_age in the related core_init admin page)
+		$extends = glob(EE_CORE_CAF_ADMIN . 'extend/*', GLOB_ONLYDIR);
+		if ($extends) {
+			foreach ($extends as $extend) {
+				if (is_dir($extend)) {
+					$extend_ref = basename($extend);
+					// now let's make sure there is a file that matches the expected format
+					$filename                                                = str_replace(
+						' ',
+						'_',
+						ucwords(
+							str_replace(
+								'_',
+								' ',
+								$extend_ref
+							)
+						)
+					);
+					$filename                                                = 'Extend_' . $filename . '_Admin_Page';
+					$this->_caffeinated_extends[ $extend_ref ]['path']       = str_replace(
+						['\\', '/'],
+						'/',
+						EE_CORE_CAF_ADMIN
+						. 'extend/'
+						. $extend_ref
+						. '/'
+						. $filename
+						. '.core.php'
+					);
+					$this->_caffeinated_extends[ $extend_ref ]['admin_page'] = $filename;
+					// set autoloaders for our admin page classes based on included path information
+					EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder($extend);
+				}
+			}
+		}
+		// let's see if there are any HOOK files and instantiate them if there are (so that hooks are loaded early!).
+		$ee_admin_hooks = [];
+		$hooks          = glob(EE_CORE_CAF_ADMIN . 'hooks/*.class.php');
+		if ($hooks) {
+			foreach ($hooks as $hook) {
+				if (is_readable($hook)) {
+					require_once $hook;
+					$classname = str_replace(EE_CORE_CAF_ADMIN . 'hooks/', '', $hook);
+					$classname = str_replace('.class.php', '', $classname);
+					if (class_exists($classname)) {
+						$ee_admin_hooks[] = $this->loader->getShared($classname);
+					}
+				}
+			}
+		}
+		apply_filters('FHEE__EE_Admin_Page_Loader__set_caffeinated__ee_admin_hooks', $ee_admin_hooks);
+		return $installed_refs;
+	}
+
+
+	/**
+	 * Utility method for sorting the _menu_maps (callback for usort php function)
+	 *
+	 * @param EE_Admin_Page_Menu_Map $a menu_map object
+	 * @param EE_Admin_Page_Menu_Map $b being compared to
+	 * @return int    sort order
+	 * @since  4.4.0
+	 */
+	private function _sort_menu_maps(EE_Admin_Page_Menu_Map $a, EE_Admin_Page_Menu_Map $b)
+	{
+		if ($a->menu_order == $b->menu_order) {
+			return 0;
+		}
+		return ($a->menu_order < $b->menu_order) ? -1 : 1;
+	}
+
+
+	/**
+	 * _default_header_link
+	 * This is just a dummy method to use with header submenu items
+	 *
+	 * @return bool false
+	 */
+	public function _default_header_link()
+	{
+		return false;
+	}
 }

Spacing +46 added lines, -46 removed lines

@@ -100,13 +100,13 @@ 
      */
     private function _define_caffeinated_constants()
     {
-        if (! defined('EE_CORE_CAF_ADMIN')) {
-            define('EE_CORE_CAF_ADMIN', EE_PLUGIN_DIR_PATH . 'caffeinated/admin/');
-            define('EE_CORE_CAF_ADMIN_URL', EE_PLUGIN_DIR_URL . 'caffeinated/admin/');
-            define('EE_CORE_CAF_ADMIN_NEW', EE_CORE_CAF_ADMIN . 'new/');
-            define('EE_CORE_CAF_ADMIN_EXTEND', EE_CORE_CAF_ADMIN . 'extend/');
-            define('EE_CORE_CAF_ADMIN_EXTEND_URL', EE_CORE_CAF_ADMIN_URL . 'extend/');
-            define('EE_CORE_CAF_ADMIN_HOOKS', EE_CORE_CAF_ADMIN . 'hooks/');
+        if ( ! defined('EE_CORE_CAF_ADMIN')) {
+            define('EE_CORE_CAF_ADMIN', EE_PLUGIN_DIR_PATH.'caffeinated/admin/');
+            define('EE_CORE_CAF_ADMIN_URL', EE_PLUGIN_DIR_URL.'caffeinated/admin/');
+            define('EE_CORE_CAF_ADMIN_NEW', EE_CORE_CAF_ADMIN.'new/');
+            define('EE_CORE_CAF_ADMIN_EXTEND', EE_CORE_CAF_ADMIN.'extend/');
+            define('EE_CORE_CAF_ADMIN_EXTEND_URL', EE_CORE_CAF_ADMIN_URL.'extend/');
+            define('EE_CORE_CAF_ADMIN_HOOKS', EE_CORE_CAF_ADMIN.'hooks/');
         }
     }
 
@@ -222,7 +222,7 @@ 
         // first let's order the menu groups by their internal menu order (note usort type hinting to ensure the incoming array is EE_Admin_Page_Menu_Map objects )
         usort($this->_admin_menu_groups, [$this, '_sort_menu_maps']);
         foreach ($this->_admin_menu_groups as $group) {
-            if (! $group instanceof EE_Admin_Page_Menu_Group) {
+            if ( ! $group instanceof EE_Admin_Page_Menu_Group) {
                 throw new EE_Error(
                     sprintf(
                         esc_html__(
@@ -233,7 +233,7 @@ 
                     )
                 );
             }
-            $groups[ $group->menu_slug ] = $group;
+            $groups[$group->menu_slug] = $group;
         }
         return $groups;
     }
@@ -252,13 +252,13 @@ 
         $installed_refs = [];
         $exclude        = ['assets', 'templates'];
         // grab everything in the  admin core directory
-        $admin_screens = glob(EE_ADMIN_PAGES . '*', GLOB_ONLYDIR);
+        $admin_screens = glob(EE_ADMIN_PAGES.'*', GLOB_ONLYDIR);
         if ($admin_screens) {
             foreach ($admin_screens as $admin_screen) {
                 // files and anything in the exclude array need not apply
                 if (is_dir($admin_screen) && ! in_array(basename($admin_screen), $exclude)) {
                     // these folders represent the different EE admin pages
-                    $installed_refs[ basename($admin_screen) ] = $admin_screen;
+                    $installed_refs[basename($admin_screen)] = $admin_screen;
                 }
             }
         }
@@ -267,7 +267,7 @@ 
                 'There are no EE_Admin pages detected, it looks like EE did not install properly',
                 'event_espresso'
             );
-            $error_msg[] = $error_msg[0] . "\r\n"
+            $error_msg[] = $error_msg[0]."\r\n"
                            . sprintf(
                                esc_html__(
                                    'Check that the %s folder exists and is writable. Maybe try deactivating, then reactivating Event Espresso again.',
@@ -280,7 +280,7 @@ 
         // this just checks the caffeinated folder and takes care of setting up any caffeinated stuff.
         $installed_refs = $this->_set_caffeinated($installed_refs);
         // allow plugins to add in their own pages (note at this point they will need to have an autoloader defined for their class) OR hook into EEH_Autoloader::load_admin_page() to add their path.;
-        $installed_refs             = apply_filters(
+        $installed_refs = apply_filters(
             'FHEE__EE_Admin_Page_Loader___get_installed_pages__installed_refs',
             $installed_refs
         );
@@ -297,8 +297,8 @@ 
             $admin_init_page = $this->_load_admin_page($page);
             // verify returned object
             if ($admin_init_page instanceof EE_Admin_Page_Init) {
-                $this->_installed_pages[ $page ] = $admin_init_page;
-                if (! $admin_init_page->get_menu_map() instanceof EE_Admin_Page_Menu_Map) {
+                $this->_installed_pages[$page] = $admin_init_page;
+                if ( ! $admin_init_page->get_menu_map() instanceof EE_Admin_Page_Menu_Map) {
                     continue;
                 }
                 // skip if in full maintenance mode and maintenance_mode_parent is set
@@ -307,27 +307,27 @@ 
                     empty($maintenance_mode_parent)
                     && EE_Maintenance_Mode::instance()->level() === EE_Maintenance_Mode::level_2_complete_maintenance
                 ) {
-                    unset($installed_refs[ $page ]);
+                    unset($installed_refs[$page]);
                     continue;
                 }
                 $menu_slug                       = $admin_init_page->get_menu_map()->menu_slug;
-                $this->_menu_slugs[ $menu_slug ] = $page;
+                $this->_menu_slugs[$menu_slug] = $page;
                 // flag for register hooks on extended pages b/c extended pages use the default INIT.
                 $extend = false;
                 // now that we've got the admin_init objects... lets see if there are any caffeinated pages extending the originals.  If there are then let's hook into the init admin filter and load our extend instead.
-                if (isset($this->_caffeinated_extends[ $page ])) {
+                if (isset($this->_caffeinated_extends[$page])) {
                     $admin_page_name = $admin_init_page->get_admin_page_name();
-                    $caf_path        = $this->_caffeinated_extends[ $page ]['path'];
-                    $caf_admin_page  = $this->_caffeinated_extends[ $page ]['admin_page'];
+                    $caf_path        = $this->_caffeinated_extends[$page]['path'];
+                    $caf_admin_page  = $this->_caffeinated_extends[$page]['admin_page'];
                     add_filter(
                         "FHEE__EE_Admin_Page_Init___initialize_admin_page__path_to_file__{$menu_slug}_{$admin_page_name}",
-                        function ($path_to_file) use ($caf_path) {
+                        function($path_to_file) use ($caf_path) {
                             return $caf_path;
                         }
                     );
                     add_filter(
                         "FHEE__EE_Admin_Page_Init___initialize_admin_page__admin_page__{$menu_slug}_{$admin_page_name}",
-                        function ($admin_page) use ($caf_admin_page) {
+                        function($admin_page) use ($caf_admin_page) {
                             return $caf_admin_page;
                         }
                     );
@@ -352,7 +352,7 @@ 
         $ee_menu_slugs = $this->_menu_slugs;
         // we need to loop again to run any early code
         foreach ($installed_refs as $page => $path) {
-            $this->_installed_pages[ $page ]->do_initial_loads();
+            $this->_installed_pages[$page]->do_initial_loads();
         }
         do_action('AHEE__EE_Admin_Page_Loader___get_installed_pages_loaded', $this->_installed_pages);
     }
@@ -366,8 +366,8 @@ 
      */
     public function get_admin_page_object($page_slug = '')
     {
-        if (isset($this->_installed_pages[ $page_slug ])) {
-            return $this->_installed_pages[ $page_slug ]->loaded_page_object();
+        if (isset($this->_installed_pages[$page_slug])) {
+            return $this->_installed_pages[$page_slug]->loaded_page_object();
         }
         return null;
     }
@@ -383,7 +383,7 @@ 
     private function _get_classname_for_admin_page($dir_name = '')
     {
         $class_name = str_replace('_', ' ', strtolower($dir_name));
-        return str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page';
+        return str_replace(' ', '_', ucwords($class_name)).'_Admin_Page';
     }
 
 
@@ -397,7 +397,7 @@ 
     private function _get_classname_for_admin_init_page($dir_name = '')
     {
         $class_name = str_replace('_', ' ', strtolower($dir_name));
-        return str_replace(' ', '_', ucwords($class_name)) . '_Admin_Page_Init';
+        return str_replace(' ', '_', ucwords($class_name)).'_Admin_Page_Init';
     }
 
 
@@ -431,7 +431,7 @@ 
                 'Make sure you have %1$s defined. If this is a non-EE-core admin page then you also must have an autoloader in place for your class',
                 'event_espresso'
             ),
-            '<strong>' . $class_name . '</strong>'
+            '<strong>'.$class_name.'</strong>'
         );
         throw new EE_Error($error_msg);
     }
@@ -491,7 +491,7 @@ 
                 // if we've got an array then the menu map is in the old format so let's throw a persistent notice that the admin system isn't setup correctly for this item.
                 if (is_array($page_map) || empty($page_map)) {
                     new PersistentAdminNotice(
-                        'menu_map_warning_' . str_replace(' ', '_', $page->label) . '_' . EVENT_ESPRESSO_VERSION,
+                        'menu_map_warning_'.str_replace(' ', '_', $page->label).'_'.EVENT_ESPRESSO_VERSION,
                         sprintf(
                             esc_html__(
                                 'The admin page for %s was not correctly setup because it is using an older method for integrating with Event Espresso Core.  This means that full functionality for this component is not available.  This error message usually appears with an Add-on that is out of date.  Make sure you update all your Event Espresso 4 add-ons to the latest version to ensure they have necessary compatibility updates in place.',
@@ -503,7 +503,7 @@ 
                     continue;
                 }
                 // if page map is NOT a EE_Admin_Page_Menu_Map object then throw error.
-                if (! $page_map instanceof EE_Admin_Page_Menu_Map) {
+                if ( ! $page_map instanceof EE_Admin_Page_Menu_Map) {
                     throw new EE_Error(
                         sprintf(
                             esc_html__(
@@ -523,7 +523,7 @@ 
                     continue;
                 }
                 // assign to group (remember $page_map has the admin page stored in it).
-                $pages_array[ $page_map->menu_group ][] = $page_map;
+                $pages_array[$page_map->menu_group][] = $page_map;
             }
         }
         if (empty($pages_array)) {
@@ -532,20 +532,20 @@ 
         // let's sort the groups, make sure it's a valid group, add header (if to show).
         foreach ($pages_array as $group => $menu_maps) {
             // valid_group?
-            if (! array_key_exists($group, $menu_groups)) {
+            if ( ! array_key_exists($group, $menu_groups)) {
                 continue;
             }
             // sort pages.
             usort($menu_maps, [$this, '_sort_menu_maps']);
             // prepend header
-            array_unshift($menu_maps, $menu_groups[ $group ]);
+            array_unshift($menu_maps, $menu_groups[$group]);
             // reset $pages_array with prepped data
-            $pages_array[ $group ] = $menu_maps;
+            $pages_array[$group] = $menu_maps;
         }
         // now let's setup the _prepped_menu_maps property
         foreach ($menu_groups as $group => $group_objs) {
-            if (isset($pages_array[ $group ])) {
-                $this->_prepped_menu_maps = array_merge($this->_prepped_menu_maps, $pages_array[ $group ]);
+            if (isset($pages_array[$group])) {
+                $this->_prepped_menu_maps = array_merge($this->_prepped_menu_maps, $pages_array[$group]);
             }
         }/**/
     }
@@ -575,32 +575,32 @@ 
     {
 
         // first let's check if there IS a caffeinated folder. If there is not then lets get out.
-        if (! is_dir(EE_PLUGIN_DIR_PATH . 'caffeinated/admin') || (defined('EE_DECAF') && EE_DECAF)) {
+        if ( ! is_dir(EE_PLUGIN_DIR_PATH.'caffeinated/admin') || (defined('EE_DECAF') && EE_DECAF)) {
             return $installed_refs;
         }
         $this->_define_caffeinated_constants();
         $exclude = ['tickets'];
         // okay let's setup an "New" pages first (we'll return installed refs later)
-        $new_admin_screens = glob(EE_CORE_CAF_ADMIN . 'new/*', GLOB_ONLYDIR);
+        $new_admin_screens = glob(EE_CORE_CAF_ADMIN.'new/*', GLOB_ONLYDIR);
         if ($new_admin_screens) {
             foreach ($new_admin_screens as $admin_screen) {
                 // files and anything in the exclude array need not apply
                 if (is_dir($admin_screen) && ! in_array(basename($admin_screen), $exclude)) {
                     // these folders represent the different NEW EE admin pages
-                    $installed_refs[ basename($admin_screen) ] = $admin_screen;
+                    $installed_refs[basename($admin_screen)] = $admin_screen;
                     // set autoloaders for our admin page classes based on included path information
                     EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder($admin_screen);
                 }
             }
         }
         // let's see if there are any EXTENDS to setup in the $_caffeinated_extends array (that will be used later for hooking into the _initialize_admin_age in the related core_init admin page)
-        $extends = glob(EE_CORE_CAF_ADMIN . 'extend/*', GLOB_ONLYDIR);
+        $extends = glob(EE_CORE_CAF_ADMIN.'extend/*', GLOB_ONLYDIR);
         if ($extends) {
             foreach ($extends as $extend) {
                 if (is_dir($extend)) {
                     $extend_ref = basename($extend);
                     // now let's make sure there is a file that matches the expected format
-                    $filename                                                = str_replace(
+                    $filename = str_replace(
                         ' ',
                         '_',
                         ucwords(
@@ -611,8 +611,8 @@ 
                             )
                         )
                     );
-                    $filename                                                = 'Extend_' . $filename . '_Admin_Page';
-                    $this->_caffeinated_extends[ $extend_ref ]['path']       = str_replace(
+                    $filename                                                = 'Extend_'.$filename.'_Admin_Page';
+                    $this->_caffeinated_extends[$extend_ref]['path']       = str_replace(
                         ['\\', '/'],
                         '/',
                         EE_CORE_CAF_ADMIN
@@ -622,7 +622,7 @@ 
                         . $filename
                         . '.core.php'
                     );
-                    $this->_caffeinated_extends[ $extend_ref ]['admin_page'] = $filename;
+                    $this->_caffeinated_extends[$extend_ref]['admin_page'] = $filename;
                     // set autoloaders for our admin page classes based on included path information
                     EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder($extend);
                 }
@@ -630,12 +630,12 @@ 
         }
         // let's see if there are any HOOK files and instantiate them if there are (so that hooks are loaded early!).
         $ee_admin_hooks = [];
-        $hooks          = glob(EE_CORE_CAF_ADMIN . 'hooks/*.class.php');
+        $hooks          = glob(EE_CORE_CAF_ADMIN.'hooks/*.class.php');
         if ($hooks) {
             foreach ($hooks as $hook) {
                 if (is_readable($hook)) {
                     require_once $hook;
-                    $classname = str_replace(EE_CORE_CAF_ADMIN . 'hooks/', '', $hook);
+                    $classname = str_replace(EE_CORE_CAF_ADMIN.'hooks/', '', $hook);
                     $classname = str_replace('.class.php', '', $classname);
                     if (class_exists($classname)) {
                         $ee_admin_hooks[] = $this->loader->getShared($classname);

core/admin/EE_Admin_List_Table.core.php

Indentation +860 added lines, -860 removed lines

@@ -1,7 +1,7 @@ 
 <?php
 
 if (! class_exists('WP_List_Table')) {
-    require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
+	require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
 }
 
 
@@ -20,873 +20,873 @@ 
 abstract class EE_Admin_List_Table extends WP_List_Table
 {
 
-    /**
-     * holds the data that will be processed for the table
-     *
-     * @var array $_data
-     */
-    protected $_data;
-
-
-    /**
-     * This holds the value of all the data available for the given view (for all pages).
-     *
-     * @var int $_all_data_count
-     */
-    protected $_all_data_count;
-
-
-    /**
-     * Will contain the count of trashed items for the view label.
-     *
-     * @var int $_trashed_count
-     */
-    protected $_trashed_count;
-
-
-    /**
-     * This is what will be referenced as the slug for the current screen
-     *
-     * @var string $_screen
-     */
-    protected $_screen;
-
-
-    /**
-     * this is the EE_Admin_Page object
-     *
-     * @var EE_Admin_Page $_admin_page
-     */
-    protected $_admin_page;
-
-
-    /**
-     * The current view
-     *
-     * @var string $_view
-     */
-    protected $_view;
-
-
-    /**
-     * array of possible views for this table
-     *
-     * @var array $_views
-     */
-    protected $_views;
-
-
-    /**
-     * An array of key => value pairs containing information about the current table
-     * array(
-     *        'plural' => 'plural label',
-     *        'singular' => 'singular label',
-     *        'ajax' => false, //whether to use ajax or not
-     *        'screen' => null, //string used to reference what screen this is
-     *        (WP_List_table converts to screen object)
-     * )
-     *
-     * @var array $_wp_list_args
-     */
-    protected $_wp_list_args;
-
-    /**
-     * an array of column names
-     * array(
-     *    'internal-name' => 'Title'
-     * )
-     *
-     * @var array $_columns
-     */
-    protected $_columns;
-
-    /**
-     * An array of sortable columns
-     * array(
-     *    'internal-name' => 'orderby' //or
-     *    'internal-name' => array( 'orderby', true )
-     * )
-     *
-     * @var array $_sortable_columns
-     */
-    protected $_sortable_columns;
-
-    /**
-     * callback method used to perform AJAX row reordering
-     *
-     * @var string $_ajax_sorting_callback
-     */
-    protected $_ajax_sorting_callback;
-
-    /**
-     * An array of hidden columns (if needed)
-     * array('internal-name', 'internal-name')
-     *
-     * @var array $_hidden_columns
-     */
-    protected $_hidden_columns;
-
-    /**
-     * holds the per_page value
-     *
-     * @var int $_per_page
-     */
-    protected $_per_page;
-
-    /**
-     * holds what page number is currently being viewed
-     *
-     * @var int $_current_page
-     */
-    protected $_current_page;
-
-    /**
-     * the reference string for the nonce_action
-     *
-     * @var string $_nonce_action_ref
-     */
-    protected $_nonce_action_ref;
-
-    /**
-     * property to hold incoming request data (as set by the admin_page_core)
-     *
-     * @var array $_req_data
-     */
-    protected $_req_data;
-
-
-    /**
-     * yes / no array for admin form fields
-     *
-     * @var array $_yes_no
-     */
-    protected $_yes_no = [];
-
-    /**
-     * Array describing buttons that should appear at the bottom of the page
-     * Keys are strings that represent the button's function (specifically a key in _labels['buttons']),
-     * and the values are another array with the following keys
-     * array(
-     *    'route' => 'page_route',
-     *    'extra_request' => array('evt_id' => 1 ); //extra request vars that need to be included in the button.
-     * )
-     *
-     * @var array $_bottom_buttons
-     */
-    protected $_bottom_buttons = [];
-
-
-    /**
-     * Used to indicate what should be the primary column for the list table.
-     * If not present then falls back to what WP calculates
-     * as the primary column.
-     *
-     * @type string $_primary_column
-     */
-    protected $_primary_column = '';
-
-
-    /**
-     * Used to indicate whether the table has a checkbox column or not.
-     *
-     * @type bool $_has_checkbox_column
-     */
-    protected $_has_checkbox_column = false;
-
-
-    /**
-     * @param EE_Admin_Page $admin_page we use this for obtaining everything we need in the list table
-     */
-    public function __construct(EE_Admin_Page $admin_page)
-    {
-        $this->_admin_page   = $admin_page;
-        $this->_req_data     = $this->_admin_page->get_request_data();
-        $this->_view         = $this->_admin_page->get_view();
-        $this->_views        = empty($this->_views) ? $this->_admin_page->get_list_table_view_RLs() : $this->_views;
-        $this->_current_page = $this->get_pagenum();
-        $this->_screen       = $this->_admin_page->get_current_page() . '_' . $this->_admin_page->get_current_view();
-        $this->_yes_no       = [
-            esc_html__('No', 'event_espresso'),
-            esc_html__('Yes', 'event_espresso')
-        ];
-
-        $this->_per_page = $this->get_items_per_page($this->_screen . '_per_page');
-
-        $this->_setup_data();
-        $this->_add_view_counts();
-
-        $this->_nonce_action_ref = $this->_view;
-
-        $this->_set_properties();
-
-        // set primary column
-        add_filter('list_table_primary_column', [$this, 'set_primary_column']);
-
-        // set parent defaults
-        parent::__construct($this->_wp_list_args);
-
-        $this->prepare_items();
-    }
-
-
-    /**
-     * _setup_data
-     * this method is used to setup the $_data, $_all_data_count, and _per_page properties
-     *
-     * @return void
-     * @uses $this->_admin_page
-     */
-    abstract protected function _setup_data();
-
-
-    /**
-     * set the properties that this class needs to be able to execute wp_list_table properly
-     * properties set:
-     * _wp_list_args = what the arguments required for the parent _wp_list_table.
-     * _columns = set the columns in an array.
-     * _sortable_columns = columns that are sortable (array).
-     * _hidden_columns = columns that are hidden (array)
-     * _default_orderby = the default orderby for sorting.
-     *
-     * @abstract
-     * @access protected
-     * @return void
-     */
-    abstract protected function _set_properties();
-
-
-    /**
-     * _get_table_filters
-     * We use this to assemble and return any filters that are associated with this table that help further refine what
-     * gets shown in the table.
-     *
-     * @abstract
-     * @access protected
-     * @return string
-     */
-    abstract protected function _get_table_filters();
-
-
-    /**
-     * this is a method that child class will do to add counts to the views array so when views are displayed the
-     * counts of the views is accurate.
-     *
-     * @abstract
-     * @access protected
-     * @return void
-     */
-    abstract protected function _add_view_counts();
-
-
-    /**
-     * _get_hidden_fields
-     * returns a html string of hidden fields so if any table filters are used the current view will be respected.
-     *
-     * @return string
-     */
-    protected function _get_hidden_fields()
-    {
-        $action = isset($this->_req_data['route']) ? $this->_req_data['route'] : '';
-        $action = empty($action) && isset($this->_req_data['action']) ? $this->_req_data['action'] : $action;
-        // if action is STILL empty, then we set it to default
-        $action = empty($action) ? 'default' : $action;
-        $field  = '<input type="hidden" name="page" value="' . esc_attr($this->_req_data['page']) . '" />' . "\n";
-        $field  .= '<input type="hidden" name="route" value="' . esc_attr($action) . '" />' . "\n";
-        $field  .= '<input type="hidden" name="perpage" value="' . esc_attr($this->_per_page) . '" />' . "\n";
-
-        $bulk_actions = $this->_get_bulk_actions();
-        foreach ($bulk_actions as $bulk_action => $label) {
-            $field .= '<input type="hidden" name="' . $bulk_action . '_nonce"'
-                      . ' value="' . wp_create_nonce($bulk_action . '_nonce') . '" />' . "\n";
-        }
-
-        return $field;
-    }
-
-
-    /**
-     * _set_column_info
-     * we're using this to set the column headers property.
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _set_column_info()
-    {
-        $columns   = $this->get_columns();
-        $hidden    = $this->get_hidden_columns();
-        $_sortable = $this->get_sortable_columns();
-
-        /**
-         * Dynamic hook allowing for adding sortable columns in this list table.
-         * Note that $this->screen->id is in the format
-         * {sanitize_title($top_level_menu_label)}_page_{$espresso_admin_page_slug}.  So for the messages list
-         * table it is: event-espresso_page_espresso_messages.
-         * However, take note that if the top level menu label has been translated (i.e. "Event Espresso"). then the
-         * hook prefix ("event-espresso") will be different.
-         *
-         * @var array
-         */
-        $_sortable = apply_filters("FHEE_manage_{$this->screen->id}_sortable_columns", $_sortable, $this->_screen);
-
-        $sortable = [];
-        foreach ($_sortable as $id => $data) {
-            if (empty($data)) {
-                continue;
-            }
-            // fix for offset errors with WP_List_Table default get_columninfo()
-            if (is_array($data)) {
-                $_data[0] = key($data);
-                $_data[1] = isset($data[1]) ? $data[1] : false;
-            } else {
-                $_data[0] = $data;
-            }
-
-            $data = (array) $data;
-
-            if (! isset($data[1])) {
-                $_data[1] = false;
-            }
-
-            $sortable[ $id ] = $_data;
-        }
-        $primary               = $this->get_primary_column_name();
-        $this->_column_headers = [$columns, $hidden, $sortable, $primary];
-    }
-
-
-    /**
-     * Added for WP4.1 backward compat (@see https://events.codebasehq.com/projects/event-espresso/tickets/8814)
-     *
-     * @return string
-     */
-    protected function get_primary_column_name()
-    {
-        foreach (class_parents($this) as $parent) {
-            if ($parent === 'WP_List_Table' && method_exists($parent, 'get_primary_column_name')) {
-                return parent::get_primary_column_name();
-            }
-        }
-        return $this->_primary_column;
-    }
-
-
-    /**
-     * Added for WP4.1 backward compat (@see https://events.codebasehq.com/projects/event-espresso/tickets/8814)
-     *
-     * @param EE_Base_Class $item
-     * @param string        $column_name
-     * @param string        $primary
-     * @return string
-     */
-    protected function handle_row_actions($item, $column_name, $primary)
-    {
-        foreach (class_parents($this) as $parent) {
-            if ($parent === 'WP_List_Table' && method_exists($parent, 'handle_row_actions')) {
-                return parent::handle_row_actions($item, $column_name, $primary);
-            }
-        }
-        return '';
-    }
-
-
-    /**
-     * _get_bulk_actions
-     * This is a wrapper called by WP_List_Table::get_bulk_actions()
-     *
-     * @access protected
-     * @return array bulk_actions
-     */
-    protected function _get_bulk_actions()
-    {
-        $actions = [];
-        // the _views property should have the bulk_actions, so let's go through and extract them into a properly
-        // formatted array for the wp_list_table();
-        foreach ($this->_views as $view => $args) {
-            if ($this->_view === $view && isset($args['bulk_action']) && is_array($args['bulk_action'])) {
-                // each bulk action will correspond with a admin page route, so we can check whatever the capability is
-                // for that page route and skip adding the bulk action if no access for the current logged in user.
-                foreach ($args['bulk_action'] as $route => $label) {
-                    if ($this->_admin_page->check_user_access($route, true)) {
-                        $actions[ $route ] = $label;
-                    }
-                }
-            }
-        }
-        return $actions;
-    }
-
-
-    /**
-     * Generate the table navigation above or below the table.
-     * Overrides the parent table nav in WP_List_Table so we can hide the bulk action div if there are no bulk actions.
-     *
-     * @throws EE_Error
-     * @since 4.9.44.rc.001
-     */
-    public function display_tablenav($which)
-    {
-        if ('top' === $which) {
-            wp_nonce_field('bulk-' . $this->_args['plural']);
-        }
-        ?>
+	/**
+	 * holds the data that will be processed for the table
+	 *
+	 * @var array $_data
+	 */
+	protected $_data;
+
+
+	/**
+	 * This holds the value of all the data available for the given view (for all pages).
+	 *
+	 * @var int $_all_data_count
+	 */
+	protected $_all_data_count;
+
+
+	/**
+	 * Will contain the count of trashed items for the view label.
+	 *
+	 * @var int $_trashed_count
+	 */
+	protected $_trashed_count;
+
+
+	/**
+	 * This is what will be referenced as the slug for the current screen
+	 *
+	 * @var string $_screen
+	 */
+	protected $_screen;
+
+
+	/**
+	 * this is the EE_Admin_Page object
+	 *
+	 * @var EE_Admin_Page $_admin_page
+	 */
+	protected $_admin_page;
+
+
+	/**
+	 * The current view
+	 *
+	 * @var string $_view
+	 */
+	protected $_view;
+
+
+	/**
+	 * array of possible views for this table
+	 *
+	 * @var array $_views
+	 */
+	protected $_views;
+
+
+	/**
+	 * An array of key => value pairs containing information about the current table
+	 * array(
+	 *        'plural' => 'plural label',
+	 *        'singular' => 'singular label',
+	 *        'ajax' => false, //whether to use ajax or not
+	 *        'screen' => null, //string used to reference what screen this is
+	 *        (WP_List_table converts to screen object)
+	 * )
+	 *
+	 * @var array $_wp_list_args
+	 */
+	protected $_wp_list_args;
+
+	/**
+	 * an array of column names
+	 * array(
+	 *    'internal-name' => 'Title'
+	 * )
+	 *
+	 * @var array $_columns
+	 */
+	protected $_columns;
+
+	/**
+	 * An array of sortable columns
+	 * array(
+	 *    'internal-name' => 'orderby' //or
+	 *    'internal-name' => array( 'orderby', true )
+	 * )
+	 *
+	 * @var array $_sortable_columns
+	 */
+	protected $_sortable_columns;
+
+	/**
+	 * callback method used to perform AJAX row reordering
+	 *
+	 * @var string $_ajax_sorting_callback
+	 */
+	protected $_ajax_sorting_callback;
+
+	/**
+	 * An array of hidden columns (if needed)
+	 * array('internal-name', 'internal-name')
+	 *
+	 * @var array $_hidden_columns
+	 */
+	protected $_hidden_columns;
+
+	/**
+	 * holds the per_page value
+	 *
+	 * @var int $_per_page
+	 */
+	protected $_per_page;
+
+	/**
+	 * holds what page number is currently being viewed
+	 *
+	 * @var int $_current_page
+	 */
+	protected $_current_page;
+
+	/**
+	 * the reference string for the nonce_action
+	 *
+	 * @var string $_nonce_action_ref
+	 */
+	protected $_nonce_action_ref;
+
+	/**
+	 * property to hold incoming request data (as set by the admin_page_core)
+	 *
+	 * @var array $_req_data
+	 */
+	protected $_req_data;
+
+
+	/**
+	 * yes / no array for admin form fields
+	 *
+	 * @var array $_yes_no
+	 */
+	protected $_yes_no = [];
+
+	/**
+	 * Array describing buttons that should appear at the bottom of the page
+	 * Keys are strings that represent the button's function (specifically a key in _labels['buttons']),
+	 * and the values are another array with the following keys
+	 * array(
+	 *    'route' => 'page_route',
+	 *    'extra_request' => array('evt_id' => 1 ); //extra request vars that need to be included in the button.
+	 * )
+	 *
+	 * @var array $_bottom_buttons
+	 */
+	protected $_bottom_buttons = [];
+
+
+	/**
+	 * Used to indicate what should be the primary column for the list table.
+	 * If not present then falls back to what WP calculates
+	 * as the primary column.
+	 *
+	 * @type string $_primary_column
+	 */
+	protected $_primary_column = '';
+
+
+	/**
+	 * Used to indicate whether the table has a checkbox column or not.
+	 *
+	 * @type bool $_has_checkbox_column
+	 */
+	protected $_has_checkbox_column = false;
+
+
+	/**
+	 * @param EE_Admin_Page $admin_page we use this for obtaining everything we need in the list table
+	 */
+	public function __construct(EE_Admin_Page $admin_page)
+	{
+		$this->_admin_page   = $admin_page;
+		$this->_req_data     = $this->_admin_page->get_request_data();
+		$this->_view         = $this->_admin_page->get_view();
+		$this->_views        = empty($this->_views) ? $this->_admin_page->get_list_table_view_RLs() : $this->_views;
+		$this->_current_page = $this->get_pagenum();
+		$this->_screen       = $this->_admin_page->get_current_page() . '_' . $this->_admin_page->get_current_view();
+		$this->_yes_no       = [
+			esc_html__('No', 'event_espresso'),
+			esc_html__('Yes', 'event_espresso')
+		];
+
+		$this->_per_page = $this->get_items_per_page($this->_screen . '_per_page');
+
+		$this->_setup_data();
+		$this->_add_view_counts();
+
+		$this->_nonce_action_ref = $this->_view;
+
+		$this->_set_properties();
+
+		// set primary column
+		add_filter('list_table_primary_column', [$this, 'set_primary_column']);
+
+		// set parent defaults
+		parent::__construct($this->_wp_list_args);
+
+		$this->prepare_items();
+	}
+
+
+	/**
+	 * _setup_data
+	 * this method is used to setup the $_data, $_all_data_count, and _per_page properties
+	 *
+	 * @return void
+	 * @uses $this->_admin_page
+	 */
+	abstract protected function _setup_data();
+
+
+	/**
+	 * set the properties that this class needs to be able to execute wp_list_table properly
+	 * properties set:
+	 * _wp_list_args = what the arguments required for the parent _wp_list_table.
+	 * _columns = set the columns in an array.
+	 * _sortable_columns = columns that are sortable (array).
+	 * _hidden_columns = columns that are hidden (array)
+	 * _default_orderby = the default orderby for sorting.
+	 *
+	 * @abstract
+	 * @access protected
+	 * @return void
+	 */
+	abstract protected function _set_properties();
+
+
+	/**
+	 * _get_table_filters
+	 * We use this to assemble and return any filters that are associated with this table that help further refine what
+	 * gets shown in the table.
+	 *
+	 * @abstract
+	 * @access protected
+	 * @return string
+	 */
+	abstract protected function _get_table_filters();
+
+
+	/**
+	 * this is a method that child class will do to add counts to the views array so when views are displayed the
+	 * counts of the views is accurate.
+	 *
+	 * @abstract
+	 * @access protected
+	 * @return void
+	 */
+	abstract protected function _add_view_counts();
+
+
+	/**
+	 * _get_hidden_fields
+	 * returns a html string of hidden fields so if any table filters are used the current view will be respected.
+	 *
+	 * @return string
+	 */
+	protected function _get_hidden_fields()
+	{
+		$action = isset($this->_req_data['route']) ? $this->_req_data['route'] : '';
+		$action = empty($action) && isset($this->_req_data['action']) ? $this->_req_data['action'] : $action;
+		// if action is STILL empty, then we set it to default
+		$action = empty($action) ? 'default' : $action;
+		$field  = '<input type="hidden" name="page" value="' . esc_attr($this->_req_data['page']) . '" />' . "\n";
+		$field  .= '<input type="hidden" name="route" value="' . esc_attr($action) . '" />' . "\n";
+		$field  .= '<input type="hidden" name="perpage" value="' . esc_attr($this->_per_page) . '" />' . "\n";
+
+		$bulk_actions = $this->_get_bulk_actions();
+		foreach ($bulk_actions as $bulk_action => $label) {
+			$field .= '<input type="hidden" name="' . $bulk_action . '_nonce"'
+					  . ' value="' . wp_create_nonce($bulk_action . '_nonce') . '" />' . "\n";
+		}
+
+		return $field;
+	}
+
+
+	/**
+	 * _set_column_info
+	 * we're using this to set the column headers property.
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _set_column_info()
+	{
+		$columns   = $this->get_columns();
+		$hidden    = $this->get_hidden_columns();
+		$_sortable = $this->get_sortable_columns();
+
+		/**
+		 * Dynamic hook allowing for adding sortable columns in this list table.
+		 * Note that $this->screen->id is in the format
+		 * {sanitize_title($top_level_menu_label)}_page_{$espresso_admin_page_slug}.  So for the messages list
+		 * table it is: event-espresso_page_espresso_messages.
+		 * However, take note that if the top level menu label has been translated (i.e. "Event Espresso"). then the
+		 * hook prefix ("event-espresso") will be different.
+		 *
+		 * @var array
+		 */
+		$_sortable = apply_filters("FHEE_manage_{$this->screen->id}_sortable_columns", $_sortable, $this->_screen);
+
+		$sortable = [];
+		foreach ($_sortable as $id => $data) {
+			if (empty($data)) {
+				continue;
+			}
+			// fix for offset errors with WP_List_Table default get_columninfo()
+			if (is_array($data)) {
+				$_data[0] = key($data);
+				$_data[1] = isset($data[1]) ? $data[1] : false;
+			} else {
+				$_data[0] = $data;
+			}
+
+			$data = (array) $data;
+
+			if (! isset($data[1])) {
+				$_data[1] = false;
+			}
+
+			$sortable[ $id ] = $_data;
+		}
+		$primary               = $this->get_primary_column_name();
+		$this->_column_headers = [$columns, $hidden, $sortable, $primary];
+	}
+
+
+	/**
+	 * Added for WP4.1 backward compat (@see https://events.codebasehq.com/projects/event-espresso/tickets/8814)
+	 *
+	 * @return string
+	 */
+	protected function get_primary_column_name()
+	{
+		foreach (class_parents($this) as $parent) {
+			if ($parent === 'WP_List_Table' && method_exists($parent, 'get_primary_column_name')) {
+				return parent::get_primary_column_name();
+			}
+		}
+		return $this->_primary_column;
+	}
+
+
+	/**
+	 * Added for WP4.1 backward compat (@see https://events.codebasehq.com/projects/event-espresso/tickets/8814)
+	 *
+	 * @param EE_Base_Class $item
+	 * @param string        $column_name
+	 * @param string        $primary
+	 * @return string
+	 */
+	protected function handle_row_actions($item, $column_name, $primary)
+	{
+		foreach (class_parents($this) as $parent) {
+			if ($parent === 'WP_List_Table' && method_exists($parent, 'handle_row_actions')) {
+				return parent::handle_row_actions($item, $column_name, $primary);
+			}
+		}
+		return '';
+	}
+
+
+	/**
+	 * _get_bulk_actions
+	 * This is a wrapper called by WP_List_Table::get_bulk_actions()
+	 *
+	 * @access protected
+	 * @return array bulk_actions
+	 */
+	protected function _get_bulk_actions()
+	{
+		$actions = [];
+		// the _views property should have the bulk_actions, so let's go through and extract them into a properly
+		// formatted array for the wp_list_table();
+		foreach ($this->_views as $view => $args) {
+			if ($this->_view === $view && isset($args['bulk_action']) && is_array($args['bulk_action'])) {
+				// each bulk action will correspond with a admin page route, so we can check whatever the capability is
+				// for that page route and skip adding the bulk action if no access for the current logged in user.
+				foreach ($args['bulk_action'] as $route => $label) {
+					if ($this->_admin_page->check_user_access($route, true)) {
+						$actions[ $route ] = $label;
+					}
+				}
+			}
+		}
+		return $actions;
+	}
+
+
+	/**
+	 * Generate the table navigation above or below the table.
+	 * Overrides the parent table nav in WP_List_Table so we can hide the bulk action div if there are no bulk actions.
+	 *
+	 * @throws EE_Error
+	 * @since 4.9.44.rc.001
+	 */
+	public function display_tablenav($which)
+	{
+		if ('top' === $which) {
+			wp_nonce_field('bulk-' . $this->_args['plural']);
+		}
+		?>
         <div class="tablenav <?php echo esc_attr($which); ?>">
             <?php if ($this->_get_bulk_actions()) { ?>
                 <div class="alignleft actions bulkactions">
                     <?php $this->bulk_actions(); ?>
                 </div>
             <?php }
-            $this->extra_tablenav($which);
-            $this->pagination($which);
-            ?>
+			$this->extra_tablenav($which);
+			$this->pagination($which);
+			?>
 
             <br class="clear" />
         </div>
         <?php
-    }
-
-
-    /**
-     * _filters
-     * This receives the filters array from children _get_table_filters() and assembles the string including the filter
-     * button.
-     *
-     * @access private
-     * @return void  echos html showing filters
-     */
-    private function _filters()
-    {
-        $classname = get_class($this);
-        $filters   = apply_filters(
-            "FHEE__{$classname}__filters",
-            (array) $this->_get_table_filters(),
-            $this,
-            $this->_screen
-        );
-
-        if (empty($filters)) {
-            return;
-        }
-        foreach ($filters as $filter) {
-            echo $filter; // already escaped
-        }
-        // add filter button at end
-        echo '<input type="submit" class="button-secondary" value="'
-             . esc_html__('Filter', 'event_espresso')
-             . '" id="post-query-submit" />';
-        // add reset filters button at end
-        echo '<a class="button button-secondary"  href="'
-             . esc_url_raw($this->_admin_page->get_current_page_view_url())
-             . '" style="display:inline-block">'
-             . esc_html__('Reset Filters', 'event_espresso')
-             . '</a>';
-    }
-
-
-    /**
-     * Callback for 'list_table_primary_column' WordPress filter
-     * If child EE_Admin_List_Table classes set the _primary_column property then that will be set as the primary
-     * column when class is instantiated.
-     *
-     * @param string $column_name
-     * @return string
-     * @see WP_List_Table::get_primary_column_name
-     */
-    public function set_primary_column($column_name)
-    {
-        return ! empty($this->_primary_column) ? $this->_primary_column : $column_name;
-    }
-
-
-    /**
-     *
-     */
-    public function prepare_items()
-    {
-
-        $this->_set_column_info();
-        // $this->_column_headers = $this->get_column_info();
-        $total_items = $this->_all_data_count;
-        $this->process_bulk_action();
-
-        $this->items = $this->_data;
-        $this->set_pagination_args(
-            [
-                'total_items' => $total_items,
-                'per_page'    => $this->_per_page,
-                'total_pages' => ceil($total_items / $this->_per_page),
-            ]
-        );
-    }
-
-
-    /**
-     * @param object|array $item
-     * @return string html content for the column
-     */
-    protected function column_cb($item)
-    {
-        return '';
-    }
-
-
-    /**
-     * This column is the default for when there is no defined column method for a registered column.
-     * This can be overridden by child classes, but allows for hooking in for custom columns.
-     *
-     * @param EE_Base_Class $item
-     * @param string        $column_name The column being called.
-     * @return string html content for the column
-     */
-    public function column_default($item, $column_name)
-    {
-        /**
-         * Dynamic hook allowing for adding additional column content in this list table.
-         * Note that $this->screen->id is in the format
-         * {sanitize_title($top_level_menu_label)}_page_{$espresso_admin_page_slug}.  So for the messages list
-         * table it is: event-espresso_page_espresso_messages.
-         * However, take note that if the top level menu label has been translated (i.e. "Event Espresso"). then the
-         * hook prefix ("event-espresso") will be different.
-         */
-        ob_start();
-        do_action(
-            'AHEE__EE_Admin_List_Table__column_' . $column_name . '__' . $this->screen->id,
-            $item,
-            $this->_screen
-        );
-        return ob_get_clean();
-    }
-
-
-    /**
-     * Get a list of columns. The format is:
-     * 'internal-name' => 'Title'
-     *
-     * @return array
-     * @since  3.1.0
-     * @access public
-     * @abstract
-     */
-    public function get_columns()
-    {
-        /**
-         * Dynamic hook allowing for adding additional columns in this list table.
-         * Note that $this->screen->id is in the format
-         * {sanitize_title($top_level_menu_label)}_page_{$espresso_admin_page_slug}.  So for the messages list
-         * table it is: event-espresso_page_espresso_messages.
-         * However, take note that if the top level menu label has been translated (i.e. "Event Espresso"). then the
-         * hook prefix ("event-espresso") will be different.
-         *
-         * @var array
-         */
-        return apply_filters('FHEE_manage_' . $this->screen->id . '_columns', $this->_columns, $this->_screen);
-    }
-
-
-    /**
-     * Get an associative array ( id => link ) with the list
-     * of views available on this table.
-     *
-     * @return array
-     * @since  3.1.0
-     * @access protected
-     */
-    public function get_views()
-    {
-        return $this->_views;
-    }
-
-
-    /**
-     * Generate the views html.
-     */
-    public function display_views()
-    {
-        $views           = $this->get_views();
-        $assembled_views = [];
-
-        if (empty($views)) {
-            return;
-        }
-        echo "<ul class='subsubsub'>\n";
-        foreach ($views as $view) {
-            $count = isset($view['count']) && ! empty($view['count']) ? absint($view['count']) : 0;
-            if (isset($view['slug'], $view['class'], $view['url'], $view['label'])) {
-                $filter = "<li";
-                $filter .= $view['class'] ? " class='" . esc_attr($view['class']) . "'" : '';
-                $filter .= ">";
-                $filter .= '<a href="' . esc_url_raw($view['url']) . '">' . esc_html($view['label']) . '</a>';
-                $filter .= '<span class="count">(' . $count . ')</span>';
-                $filter .= '</li>';
-                $assembled_views[ $view['slug'] ] = $filter;
-            }
-        }
-
-        echo ! empty($assembled_views)
-            ? implode("<li style='margin:0 .5rem;'>|</li>", $assembled_views)
-            : '';
-        echo "</ul>";
-    }
-
-
-    /**
-     * Generates content for a single row of the table
-     *
-     * @param EE_Base_Class $item The current item
-     * @since  4.1
-     * @access public
-     */
-    public function single_row($item)
-    {
-        $row_class = $this->_get_row_class($item);
-        echo '<tr class="' . esc_attr($row_class) . '">';
-        $this->single_row_columns($item); // already escaped
-        echo '</tr>';
-    }
-
-
-    /**
-     * This simply sets up the row class for the table rows.
-     * Allows for easier overriding of child methods for setting up sorting.
-     *
-     * @param EE_Base_Class $item the current item
-     * @return string
-     */
-    protected function _get_row_class($item)
-    {
-        static $row_class = '';
-        $row_class = ($row_class === '' ? 'alternate' : '');
-
-        $new_row_class = $row_class;
-
-        if (! empty($this->_ajax_sorting_callback)) {
-            $new_row_class .= ' rowsortable';
-        }
-
-        return $new_row_class;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function get_sortable_columns()
-    {
-        return (array) $this->_sortable_columns;
-    }
-
-
-    /**
-     * @return string
-     */
-    public function get_ajax_sorting_callback()
-    {
-        return $this->_ajax_sorting_callback;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function get_hidden_columns()
-    {
-        $user_id     = get_current_user_id();
-        $has_default = get_user_option('default' . $this->screen->id . 'columnshidden', $user_id);
-        if (empty($has_default) && ! empty($this->_hidden_columns)) {
-            update_user_option($user_id, 'default' . $this->screen->id . 'columnshidden', true);
-            update_user_option($user_id, 'manage' . $this->screen->id . 'columnshidden', $this->_hidden_columns, true);
-        }
-        $ref = 'manage' . $this->screen->id . 'columnshidden';
-        return (array) get_user_option($ref, $user_id);
-    }
-
-
-    /**
-     * Generates the columns for a single row of the table.
-     * Overridden from wp_list_table so as to allow us to filter the column content for a given
-     * column.
-     *
-     * @param EE_Base_Class $item The current item
-     * @since 3.1.0
-     */
-    public function single_row_columns($item)
-    {
-        list($columns, $hidden, $sortable, $primary) = $this->get_column_info();
-
-        foreach ($columns as $column_name => $column_display_name) {
-
-            /**
-             * With WordPress version 4.3.RC+ WordPress started using the hidden css class to control whether columns
-             * are hidden or not instead of using "display:none;".  This bit of code provides backward compat.
-             */
-            $hidden_class = in_array($column_name, $hidden) ? ' hidden' : '';
-
-            $classes = $column_name . ' column-' . $column_name . $hidden_class;
-            if ($primary === $column_name) {
-                $classes .= ' has-row-actions column-primary';
-            }
-
-            $data = ' data-colname="' . wp_strip_all_tags($column_display_name) . '"';
-
-            $class = 'class="' . esc_attr($classes) . '"';
-
-            $attributes = "{$class}{$data}";
-
-            if ($column_name === 'cb') {
-                echo '<th scope="row" class="check-column">';
-                echo apply_filters(
-                    'FHEE__EE_Admin_List_Table__single_row_columns__column_cb_content',
-                    $this->column_cb($item), // already escaped
-                    $item,
-                    $this
-                );
-                echo '</th>';
-            } elseif (method_exists($this, 'column_' . $column_name)) {
-                echo "<td $attributes>"; // already escaped
-                echo apply_filters(
-                    'FHEE__EE_Admin_List_Table__single_row_columns__column_' . $column_name . '__column_content',
-                    call_user_func([$this, 'column_' . $column_name], $item),
-                    $item,
-                    $this
-                );
-                echo $this->handle_row_actions($item, $column_name, $primary);
-                echo "</td>";
-            } else {
-                echo "<td $attributes>"; // already escaped
-                echo apply_filters(
-                    'FHEE__EE_Admin_List_Table__single_row_columns__column_default__column_content',
-                    $this->column_default($item, $column_name),
-                    $item,
-                    $column_name,
-                    $this
-                );
-                echo $this->handle_row_actions($item, $column_name, $primary);
-                echo "</td>";
-            }
-        }
-    }
-
-
-    /**
-     * Extra controls to be displayed between bulk actions and pagination
-     *
-     * @access public
-     * @param string $which
-     * @throws EE_Error
-     */
-    public function extra_tablenav($which)
-    {
-        if ($which === 'top') {
-            $this->_filters();
-            echo $this->_get_hidden_fields(); // already escaped
-        } else {
-            echo '<div class="list-table-bottom-buttons alignleft actions">';
-            foreach ($this->_bottom_buttons as $type => $action) {
-                $route         = isset($action['route']) ? $action['route'] : '';
-                $extra_request = isset($action['extra_request']) ? $action['extra_request'] : '';
-                // already escaped
-                echo $this->_admin_page->get_action_link_or_button(
-                    $route,
-                    $type,
-                    $extra_request,
-                    'button button-secondary'
-                );
-            }
-            do_action('AHEE__EE_Admin_List_Table__extra_tablenav__after_bottom_buttons', $this, $this->_screen);
-            echo '</div>';
-        }
-    }
-
-
-    /**
-     * Get an associative array ( option_name => option_title ) with the list
-     * of bulk actions available on this table.
-     *
-     * @return array
-     * @since  3.1.0
-     * @access protected
-     */
-    public function get_bulk_actions()
-    {
-        return (array) $this->_get_bulk_actions();
-    }
-
-
-    /**
-     * Processing bulk actions.
-     */
-    public function process_bulk_action()
-    {
-        // this is not used it is handled by the child EE_Admin_Page class (routes).  However, including here for
-        // reference in case there is a case where it gets used.
-    }
-
-
-    /**
-     * returns the EE admin page this list table is associated with
-     *
-     * @return EE_Admin_Page
-     */
-    public function get_admin_page()
-    {
-        return $this->_admin_page;
-    }
-
-
-    /**
-     * A "helper" function for all children to provide an html string of
-     * actions to output in their content.  It is preferable for child classes
-     * to use this method for generating their actions content so that it's
-     * filterable by plugins
-     *
-     * @param string        $action_container           what are the html container
-     *                                                  elements for this actions string?
-     * @param string        $action_class               What class is for the container
-     *                                                  element.
-     * @param string        $action_items               The contents for the action items
-     *                                                  container.  This is filtered before
-     *                                                  returned.
-     * @param string        $action_id                  What id (optional) is used for the
-     *                                                  container element.
-     * @param EE_Base_Class $item                       The object for the column displaying
-     *                                                  the actions.
-     * @return string The assembled action elements container.
-     */
-    protected function _action_string(
-        $action_items,
-        $item,
-        $action_container = 'ul',
-        $action_class = '',
-        $action_id = ''
-    ) {
-        $action_class = ! empty($action_class) ? ' class="' . esc_attr($action_class) . '"' : '';
-        $action_id    = ! empty($action_id) ? ' id="' . esc_attr($action_id) . '"' : '';
-        $open_tag     = ! empty($action_container) ? '<' . $action_container . $action_class . $action_id . '>' : '';
-        $close_tag    = ! empty($action_container) ? '</' . $action_container . '>' : '';
-        try {
-            $content = apply_filters(
-                'FHEE__EE_Admin_List_Table___action_string__action_items',
-                $action_items,
-                $item,
-                $this
-            );
-        } catch (Exception $e) {
-            if (WP_DEBUG) {
-                EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-            }
-            $content = $action_items;
-        }
-        return "{$open_tag}{$content}{$close_tag}";
-    }
-
-
-    /**
-     * @return string
-     */
-    protected function getReturnUrl()
-    {
-        $host = $this->_admin_page->get_request()->getServerParam('HTTP_HOST');
-        $uri  = $this->_admin_page->get_request()->getServerParam('REQUEST_URI');
-        return urlencode("//{$host}{$uri}");
-    }
+	}
+
+
+	/**
+	 * _filters
+	 * This receives the filters array from children _get_table_filters() and assembles the string including the filter
+	 * button.
+	 *
+	 * @access private
+	 * @return void  echos html showing filters
+	 */
+	private function _filters()
+	{
+		$classname = get_class($this);
+		$filters   = apply_filters(
+			"FHEE__{$classname}__filters",
+			(array) $this->_get_table_filters(),
+			$this,
+			$this->_screen
+		);
+
+		if (empty($filters)) {
+			return;
+		}
+		foreach ($filters as $filter) {
+			echo $filter; // already escaped
+		}
+		// add filter button at end
+		echo '<input type="submit" class="button-secondary" value="'
+			 . esc_html__('Filter', 'event_espresso')
+			 . '" id="post-query-submit" />';
+		// add reset filters button at end
+		echo '<a class="button button-secondary"  href="'
+			 . esc_url_raw($this->_admin_page->get_current_page_view_url())
+			 . '" style="display:inline-block">'
+			 . esc_html__('Reset Filters', 'event_espresso')
+			 . '</a>';
+	}
+
+
+	/**
+	 * Callback for 'list_table_primary_column' WordPress filter
+	 * If child EE_Admin_List_Table classes set the _primary_column property then that will be set as the primary
+	 * column when class is instantiated.
+	 *
+	 * @param string $column_name
+	 * @return string
+	 * @see WP_List_Table::get_primary_column_name
+	 */
+	public function set_primary_column($column_name)
+	{
+		return ! empty($this->_primary_column) ? $this->_primary_column : $column_name;
+	}
+
+
+	/**
+	 *
+	 */
+	public function prepare_items()
+	{
+
+		$this->_set_column_info();
+		// $this->_column_headers = $this->get_column_info();
+		$total_items = $this->_all_data_count;
+		$this->process_bulk_action();
+
+		$this->items = $this->_data;
+		$this->set_pagination_args(
+			[
+				'total_items' => $total_items,
+				'per_page'    => $this->_per_page,
+				'total_pages' => ceil($total_items / $this->_per_page),
+			]
+		);
+	}
+
+
+	/**
+	 * @param object|array $item
+	 * @return string html content for the column
+	 */
+	protected function column_cb($item)
+	{
+		return '';
+	}
+
+
+	/**
+	 * This column is the default for when there is no defined column method for a registered column.
+	 * This can be overridden by child classes, but allows for hooking in for custom columns.
+	 *
+	 * @param EE_Base_Class $item
+	 * @param string        $column_name The column being called.
+	 * @return string html content for the column
+	 */
+	public function column_default($item, $column_name)
+	{
+		/**
+		 * Dynamic hook allowing for adding additional column content in this list table.
+		 * Note that $this->screen->id is in the format
+		 * {sanitize_title($top_level_menu_label)}_page_{$espresso_admin_page_slug}.  So for the messages list
+		 * table it is: event-espresso_page_espresso_messages.
+		 * However, take note that if the top level menu label has been translated (i.e. "Event Espresso"). then the
+		 * hook prefix ("event-espresso") will be different.
+		 */
+		ob_start();
+		do_action(
+			'AHEE__EE_Admin_List_Table__column_' . $column_name . '__' . $this->screen->id,
+			$item,
+			$this->_screen
+		);
+		return ob_get_clean();
+	}
+
+
+	/**
+	 * Get a list of columns. The format is:
+	 * 'internal-name' => 'Title'
+	 *
+	 * @return array
+	 * @since  3.1.0
+	 * @access public
+	 * @abstract
+	 */
+	public function get_columns()
+	{
+		/**
+		 * Dynamic hook allowing for adding additional columns in this list table.
+		 * Note that $this->screen->id is in the format
+		 * {sanitize_title($top_level_menu_label)}_page_{$espresso_admin_page_slug}.  So for the messages list
+		 * table it is: event-espresso_page_espresso_messages.
+		 * However, take note that if the top level menu label has been translated (i.e. "Event Espresso"). then the
+		 * hook prefix ("event-espresso") will be different.
+		 *
+		 * @var array
+		 */
+		return apply_filters('FHEE_manage_' . $this->screen->id . '_columns', $this->_columns, $this->_screen);
+	}
+
+
+	/**
+	 * Get an associative array ( id => link ) with the list
+	 * of views available on this table.
+	 *
+	 * @return array
+	 * @since  3.1.0
+	 * @access protected
+	 */
+	public function get_views()
+	{
+		return $this->_views;
+	}
+
+
+	/**
+	 * Generate the views html.
+	 */
+	public function display_views()
+	{
+		$views           = $this->get_views();
+		$assembled_views = [];
+
+		if (empty($views)) {
+			return;
+		}
+		echo "<ul class='subsubsub'>\n";
+		foreach ($views as $view) {
+			$count = isset($view['count']) && ! empty($view['count']) ? absint($view['count']) : 0;
+			if (isset($view['slug'], $view['class'], $view['url'], $view['label'])) {
+				$filter = "<li";
+				$filter .= $view['class'] ? " class='" . esc_attr($view['class']) . "'" : '';
+				$filter .= ">";
+				$filter .= '<a href="' . esc_url_raw($view['url']) . '">' . esc_html($view['label']) . '</a>';
+				$filter .= '<span class="count">(' . $count . ')</span>';
+				$filter .= '</li>';
+				$assembled_views[ $view['slug'] ] = $filter;
+			}
+		}
+
+		echo ! empty($assembled_views)
+			? implode("<li style='margin:0 .5rem;'>|</li>", $assembled_views)
+			: '';
+		echo "</ul>";
+	}
+
+
+	/**
+	 * Generates content for a single row of the table
+	 *
+	 * @param EE_Base_Class $item The current item
+	 * @since  4.1
+	 * @access public
+	 */
+	public function single_row($item)
+	{
+		$row_class = $this->_get_row_class($item);
+		echo '<tr class="' . esc_attr($row_class) . '">';
+		$this->single_row_columns($item); // already escaped
+		echo '</tr>';
+	}
+
+
+	/**
+	 * This simply sets up the row class for the table rows.
+	 * Allows for easier overriding of child methods for setting up sorting.
+	 *
+	 * @param EE_Base_Class $item the current item
+	 * @return string
+	 */
+	protected function _get_row_class($item)
+	{
+		static $row_class = '';
+		$row_class = ($row_class === '' ? 'alternate' : '');
+
+		$new_row_class = $row_class;
+
+		if (! empty($this->_ajax_sorting_callback)) {
+			$new_row_class .= ' rowsortable';
+		}
+
+		return $new_row_class;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function get_sortable_columns()
+	{
+		return (array) $this->_sortable_columns;
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function get_ajax_sorting_callback()
+	{
+		return $this->_ajax_sorting_callback;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function get_hidden_columns()
+	{
+		$user_id     = get_current_user_id();
+		$has_default = get_user_option('default' . $this->screen->id . 'columnshidden', $user_id);
+		if (empty($has_default) && ! empty($this->_hidden_columns)) {
+			update_user_option($user_id, 'default' . $this->screen->id . 'columnshidden', true);
+			update_user_option($user_id, 'manage' . $this->screen->id . 'columnshidden', $this->_hidden_columns, true);
+		}
+		$ref = 'manage' . $this->screen->id . 'columnshidden';
+		return (array) get_user_option($ref, $user_id);
+	}
+
+
+	/**
+	 * Generates the columns for a single row of the table.
+	 * Overridden from wp_list_table so as to allow us to filter the column content for a given
+	 * column.
+	 *
+	 * @param EE_Base_Class $item The current item
+	 * @since 3.1.0
+	 */
+	public function single_row_columns($item)
+	{
+		list($columns, $hidden, $sortable, $primary) = $this->get_column_info();
+
+		foreach ($columns as $column_name => $column_display_name) {
+
+			/**
+			 * With WordPress version 4.3.RC+ WordPress started using the hidden css class to control whether columns
+			 * are hidden or not instead of using "display:none;".  This bit of code provides backward compat.
+			 */
+			$hidden_class = in_array($column_name, $hidden) ? ' hidden' : '';
+
+			$classes = $column_name . ' column-' . $column_name . $hidden_class;
+			if ($primary === $column_name) {
+				$classes .= ' has-row-actions column-primary';
+			}
+
+			$data = ' data-colname="' . wp_strip_all_tags($column_display_name) . '"';
+
+			$class = 'class="' . esc_attr($classes) . '"';
+
+			$attributes = "{$class}{$data}";
+
+			if ($column_name === 'cb') {
+				echo '<th scope="row" class="check-column">';
+				echo apply_filters(
+					'FHEE__EE_Admin_List_Table__single_row_columns__column_cb_content',
+					$this->column_cb($item), // already escaped
+					$item,
+					$this
+				);
+				echo '</th>';
+			} elseif (method_exists($this, 'column_' . $column_name)) {
+				echo "<td $attributes>"; // already escaped
+				echo apply_filters(
+					'FHEE__EE_Admin_List_Table__single_row_columns__column_' . $column_name . '__column_content',
+					call_user_func([$this, 'column_' . $column_name], $item),
+					$item,
+					$this
+				);
+				echo $this->handle_row_actions($item, $column_name, $primary);
+				echo "</td>";
+			} else {
+				echo "<td $attributes>"; // already escaped
+				echo apply_filters(
+					'FHEE__EE_Admin_List_Table__single_row_columns__column_default__column_content',
+					$this->column_default($item, $column_name),
+					$item,
+					$column_name,
+					$this
+				);
+				echo $this->handle_row_actions($item, $column_name, $primary);
+				echo "</td>";
+			}
+		}
+	}
+
+
+	/**
+	 * Extra controls to be displayed between bulk actions and pagination
+	 *
+	 * @access public
+	 * @param string $which
+	 * @throws EE_Error
+	 */
+	public function extra_tablenav($which)
+	{
+		if ($which === 'top') {
+			$this->_filters();
+			echo $this->_get_hidden_fields(); // already escaped
+		} else {
+			echo '<div class="list-table-bottom-buttons alignleft actions">';
+			foreach ($this->_bottom_buttons as $type => $action) {
+				$route         = isset($action['route']) ? $action['route'] : '';
+				$extra_request = isset($action['extra_request']) ? $action['extra_request'] : '';
+				// already escaped
+				echo $this->_admin_page->get_action_link_or_button(
+					$route,
+					$type,
+					$extra_request,
+					'button button-secondary'
+				);
+			}
+			do_action('AHEE__EE_Admin_List_Table__extra_tablenav__after_bottom_buttons', $this, $this->_screen);
+			echo '</div>';
+		}
+	}
+
+
+	/**
+	 * Get an associative array ( option_name => option_title ) with the list
+	 * of bulk actions available on this table.
+	 *
+	 * @return array
+	 * @since  3.1.0
+	 * @access protected
+	 */
+	public function get_bulk_actions()
+	{
+		return (array) $this->_get_bulk_actions();
+	}
+
+
+	/**
+	 * Processing bulk actions.
+	 */
+	public function process_bulk_action()
+	{
+		// this is not used it is handled by the child EE_Admin_Page class (routes).  However, including here for
+		// reference in case there is a case where it gets used.
+	}
+
+
+	/**
+	 * returns the EE admin page this list table is associated with
+	 *
+	 * @return EE_Admin_Page
+	 */
+	public function get_admin_page()
+	{
+		return $this->_admin_page;
+	}
+
+
+	/**
+	 * A "helper" function for all children to provide an html string of
+	 * actions to output in their content.  It is preferable for child classes
+	 * to use this method for generating their actions content so that it's
+	 * filterable by plugins
+	 *
+	 * @param string        $action_container           what are the html container
+	 *                                                  elements for this actions string?
+	 * @param string        $action_class               What class is for the container
+	 *                                                  element.
+	 * @param string        $action_items               The contents for the action items
+	 *                                                  container.  This is filtered before
+	 *                                                  returned.
+	 * @param string        $action_id                  What id (optional) is used for the
+	 *                                                  container element.
+	 * @param EE_Base_Class $item                       The object for the column displaying
+	 *                                                  the actions.
+	 * @return string The assembled action elements container.
+	 */
+	protected function _action_string(
+		$action_items,
+		$item,
+		$action_container = 'ul',
+		$action_class = '',
+		$action_id = ''
+	) {
+		$action_class = ! empty($action_class) ? ' class="' . esc_attr($action_class) . '"' : '';
+		$action_id    = ! empty($action_id) ? ' id="' . esc_attr($action_id) . '"' : '';
+		$open_tag     = ! empty($action_container) ? '<' . $action_container . $action_class . $action_id . '>' : '';
+		$close_tag    = ! empty($action_container) ? '</' . $action_container . '>' : '';
+		try {
+			$content = apply_filters(
+				'FHEE__EE_Admin_List_Table___action_string__action_items',
+				$action_items,
+				$item,
+				$this
+			);
+		} catch (Exception $e) {
+			if (WP_DEBUG) {
+				EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+			}
+			$content = $action_items;
+		}
+		return "{$open_tag}{$content}{$close_tag}";
+	}
+
+
+	/**
+	 * @return string
+	 */
+	protected function getReturnUrl()
+	{
+		$host = $this->_admin_page->get_request()->getServerParam('HTTP_HOST');
+		$uri  = $this->_admin_page->get_request()->getServerParam('REQUEST_URI');
+		return urlencode("//{$host}{$uri}");
+	}
 }

Spacing +35 added lines, -35 removed lines

@@ -1,7 +1,7 @@ 
 <?php
 
-if (! class_exists('WP_List_Table')) {
-    require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
+if ( ! class_exists('WP_List_Table')) {
+    require_once ABSPATH.'wp-admin/includes/class-wp-list-table.php';
 }
 
 
@@ -204,13 +204,13 @@ 
         $this->_view         = $this->_admin_page->get_view();
         $this->_views        = empty($this->_views) ? $this->_admin_page->get_list_table_view_RLs() : $this->_views;
         $this->_current_page = $this->get_pagenum();
-        $this->_screen       = $this->_admin_page->get_current_page() . '_' . $this->_admin_page->get_current_view();
+        $this->_screen       = $this->_admin_page->get_current_page().'_'.$this->_admin_page->get_current_view();
         $this->_yes_no       = [
             esc_html__('No', 'event_espresso'),
             esc_html__('Yes', 'event_espresso')
         ];
 
-        $this->_per_page = $this->get_items_per_page($this->_screen . '_per_page');
+        $this->_per_page = $this->get_items_per_page($this->_screen.'_per_page');
 
         $this->_setup_data();
         $this->_add_view_counts();
@@ -290,14 +290,14 @@ 
         $action = empty($action) && isset($this->_req_data['action']) ? $this->_req_data['action'] : $action;
         // if action is STILL empty, then we set it to default
         $action = empty($action) ? 'default' : $action;
-        $field  = '<input type="hidden" name="page" value="' . esc_attr($this->_req_data['page']) . '" />' . "\n";
-        $field  .= '<input type="hidden" name="route" value="' . esc_attr($action) . '" />' . "\n";
-        $field  .= '<input type="hidden" name="perpage" value="' . esc_attr($this->_per_page) . '" />' . "\n";
+        $field  = '<input type="hidden" name="page" value="'.esc_attr($this->_req_data['page']).'" />'."\n";
+        $field  .= '<input type="hidden" name="route" value="'.esc_attr($action).'" />'."\n";
+        $field  .= '<input type="hidden" name="perpage" value="'.esc_attr($this->_per_page).'" />'."\n";
 
         $bulk_actions = $this->_get_bulk_actions();
         foreach ($bulk_actions as $bulk_action => $label) {
-            $field .= '<input type="hidden" name="' . $bulk_action . '_nonce"'
-                      . ' value="' . wp_create_nonce($bulk_action . '_nonce') . '" />' . "\n";
+            $field .= '<input type="hidden" name="'.$bulk_action.'_nonce"'
+                      . ' value="'.wp_create_nonce($bulk_action.'_nonce').'" />'."\n";
         }
 
         return $field;
@@ -344,11 +344,11 @@ 
 
             $data = (array) $data;
 
-            if (! isset($data[1])) {
+            if ( ! isset($data[1])) {
                 $_data[1] = false;
             }
 
-            $sortable[ $id ] = $_data;
+            $sortable[$id] = $_data;
         }
         $primary               = $this->get_primary_column_name();
         $this->_column_headers = [$columns, $hidden, $sortable, $primary];
@@ -408,7 +408,7 @@ 
                 // for that page route and skip adding the bulk action if no access for the current logged in user.
                 foreach ($args['bulk_action'] as $route => $label) {
                     if ($this->_admin_page->check_user_access($route, true)) {
-                        $actions[ $route ] = $label;
+                        $actions[$route] = $label;
                     }
                 }
             }
@@ -427,7 +427,7 @@ 
     public function display_tablenav($which)
     {
         if ('top' === $which) {
-            wp_nonce_field('bulk-' . $this->_args['plural']);
+            wp_nonce_field('bulk-'.$this->_args['plural']);
         }
         ?>
         <div class="tablenav <?php echo esc_attr($which); ?>">
@@ -550,7 +550,7 @@ 
          */
         ob_start();
         do_action(
-            'AHEE__EE_Admin_List_Table__column_' . $column_name . '__' . $this->screen->id,
+            'AHEE__EE_Admin_List_Table__column_'.$column_name.'__'.$this->screen->id,
             $item,
             $this->_screen
         );
@@ -579,7 +579,7 @@ 
          *
          * @var array
          */
-        return apply_filters('FHEE_manage_' . $this->screen->id . '_columns', $this->_columns, $this->_screen);
+        return apply_filters('FHEE_manage_'.$this->screen->id.'_columns', $this->_columns, $this->_screen);
     }
 
 
@@ -613,12 +613,12 @@ 
             $count = isset($view['count']) && ! empty($view['count']) ? absint($view['count']) : 0;
             if (isset($view['slug'], $view['class'], $view['url'], $view['label'])) {
                 $filter = "<li";
-                $filter .= $view['class'] ? " class='" . esc_attr($view['class']) . "'" : '';
+                $filter .= $view['class'] ? " class='".esc_attr($view['class'])."'" : '';
                 $filter .= ">";
-                $filter .= '<a href="' . esc_url_raw($view['url']) . '">' . esc_html($view['label']) . '</a>';
-                $filter .= '<span class="count">(' . $count . ')</span>';
+                $filter .= '<a href="'.esc_url_raw($view['url']).'">'.esc_html($view['label']).'</a>';
+                $filter .= '<span class="count">('.$count.')</span>';
                 $filter .= '</li>';
-                $assembled_views[ $view['slug'] ] = $filter;
+                $assembled_views[$view['slug']] = $filter;
             }
         }
 
@@ -639,7 +639,7 @@ 
     public function single_row($item)
     {
         $row_class = $this->_get_row_class($item);
-        echo '<tr class="' . esc_attr($row_class) . '">';
+        echo '<tr class="'.esc_attr($row_class).'">';
         $this->single_row_columns($item); // already escaped
         echo '</tr>';
     }
@@ -659,7 +659,7 @@ 
 
         $new_row_class = $row_class;
 
-        if (! empty($this->_ajax_sorting_callback)) {
+        if ( ! empty($this->_ajax_sorting_callback)) {
             $new_row_class .= ' rowsortable';
         }
 
@@ -691,12 +691,12 @@ 
     public function get_hidden_columns()
     {
         $user_id     = get_current_user_id();
-        $has_default = get_user_option('default' . $this->screen->id . 'columnshidden', $user_id);
+        $has_default = get_user_option('default'.$this->screen->id.'columnshidden', $user_id);
         if (empty($has_default) && ! empty($this->_hidden_columns)) {
-            update_user_option($user_id, 'default' . $this->screen->id . 'columnshidden', true);
-            update_user_option($user_id, 'manage' . $this->screen->id . 'columnshidden', $this->_hidden_columns, true);
+            update_user_option($user_id, 'default'.$this->screen->id.'columnshidden', true);
+            update_user_option($user_id, 'manage'.$this->screen->id.'columnshidden', $this->_hidden_columns, true);
         }
-        $ref = 'manage' . $this->screen->id . 'columnshidden';
+        $ref = 'manage'.$this->screen->id.'columnshidden';
         return (array) get_user_option($ref, $user_id);
     }
 
@@ -721,14 +721,14 @@ 
              */
             $hidden_class = in_array($column_name, $hidden) ? ' hidden' : '';
 
-            $classes = $column_name . ' column-' . $column_name . $hidden_class;
+            $classes = $column_name.' column-'.$column_name.$hidden_class;
             if ($primary === $column_name) {
                 $classes .= ' has-row-actions column-primary';
             }
 
-            $data = ' data-colname="' . wp_strip_all_tags($column_display_name) . '"';
+            $data = ' data-colname="'.wp_strip_all_tags($column_display_name).'"';
 
-            $class = 'class="' . esc_attr($classes) . '"';
+            $class = 'class="'.esc_attr($classes).'"';
 
             $attributes = "{$class}{$data}";
 
@@ -741,11 +741,11 @@ 
                     $this
                 );
                 echo '</th>';
-            } elseif (method_exists($this, 'column_' . $column_name)) {
+            } elseif (method_exists($this, 'column_'.$column_name)) {
                 echo "<td $attributes>"; // already escaped
                 echo apply_filters(
-                    'FHEE__EE_Admin_List_Table__single_row_columns__column_' . $column_name . '__column_content',
-                    call_user_func([$this, 'column_' . $column_name], $item),
+                    'FHEE__EE_Admin_List_Table__single_row_columns__column_'.$column_name.'__column_content',
+                    call_user_func([$this, 'column_'.$column_name], $item),
                     $item,
                     $this
                 );
@@ -859,10 +859,10 @@ 
         $action_class = '',
         $action_id = ''
     ) {
-        $action_class = ! empty($action_class) ? ' class="' . esc_attr($action_class) . '"' : '';
-        $action_id    = ! empty($action_id) ? ' id="' . esc_attr($action_id) . '"' : '';
-        $open_tag     = ! empty($action_container) ? '<' . $action_container . $action_class . $action_id . '>' : '';
-        $close_tag    = ! empty($action_container) ? '</' . $action_container . '>' : '';
+        $action_class = ! empty($action_class) ? ' class="'.esc_attr($action_class).'"' : '';
+        $action_id    = ! empty($action_id) ? ' id="'.esc_attr($action_id).'"' : '';
+        $open_tag     = ! empty($action_container) ? '<'.$action_container.$action_class.$action_id.'>' : '';
+        $close_tag    = ! empty($action_container) ? '</'.$action_container.'>' : '';
         try {
             $content = apply_filters(
                 'FHEE__EE_Admin_List_Table___action_string__action_items',

core/admin/EE_Admin_Page_Menu_Map.core.php

Indentation +255 added lines, -255 removed lines

@@ -11,260 +11,260 @@
 {
 
 
-    /**
-     * The title for the menu page. (the page the menu links to)
-     *
-     * @since  4.4.0
-     * @var string
-     */
-    public $title;
-
+	/**
+	 * The title for the menu page. (the page the menu links to)
+	 *
+	 * @since  4.4.0
+	 * @var string
+	 */
+	public $title;
+
 
-    /**
-     * The label for the menu item. (What shows up in the actual menu).
-     *
-     * @since 4.4.0
-     * @var string
-     */
-    public $menu_label;
-
-
-    /**
-     * What menu item is the parent of this menu item.
-     *
-     * @since 4.4.0
-     * @var string
-     */
-    public $parent_slug;
-
-
-    /**
-     * What capability is required to access this page.
-     *
-     * @since 4.4.0
-     * @var string
-     */
-    public $capability = 'administrator';
-
-
-    /**
-     * What slug should be used to reference this menu item.
-     *
-     * @since 4.4.0
-     * @var string
-     */
-    public $menu_slug;
-
-
-    /**
-     * The callback for displaying the page that the menu references.
-     *
-     * @since 4.4.0
-     * @var string
-     */
-    public $menu_callback;
-
-
-    /**
-     * The EE_Admin_Page_Init attached to this map.
-     *
-     * @var EE_Admin_Page_Init
-     */
-    public $admin_init_page;
-
-
-    /**
-     * The EE specific group this menu item belongs in (group slug).
-     *
-     * @since 4.4.0
-     * @var string
-     */
-    public $menu_group;
-
-
-    /**
-     * What order this item should be in the menu.
-     *
-     * @since 4.4.0
-     * @var int
-     */
-    public $menu_order;
-
-
-    const NONE                   = 0;
-
-    const BLOG_ADMIN_ONLY        = 1;
-
-    const BLOG_AND_NETWORK_ADMIN = 2;
-
-    const NETWORK_ADMIN_ONLY     = 3;
-
-
-    /**
-     * Whether this item is displayed in the menu or not.
-     * Sometimes an EE Admin Page needs to register itself but is not accessible via the WordPress
-     * admin menu.
-     *
-     * @since 4.4.0
-     * @var int
-     */
-    public $show_on_menu = self::BLOG_ADMIN_ONLY;
-
-
-    /**
-     * Menu maps can define a parent slug that gets used instead of the main parent slug for the menu when
-     * EE_Maintenance_Mode::level_2_complete_maintenance is active.
-     *
-     * @var bool
-     */
-    public $maintenance_mode_parent = '';
-
-
-    /**
-     * @param array $menu_args            An array of arguments used to setup the menu
-     *                                    properties on construct.
-     * @param array $required             An array of keys that should be in the $menu_args, this
-     *                                    is used to validate that the items that should be defined
-     *                                    are present.
-     * @return void
-     * @throws EE_Error
-     * @since 4.4.0
-     *
-     */
-    public function __construct($menu_args, $required)
-    {
-        // filter all args before processing so plugins can manipulate various settings for menus.
-        $menu_args = apply_filters(
-            'FHEE__EE_Admin_Page_Menu_Map__construct__menu_args',
-            $menu_args,
-            $required,
-            get_class($this)
-        );
-
-
-        // verify that required keys are present in the incoming array.
-        $missing = array_diff((array) $required, array_keys((array) $menu_args));
-
-        if (! empty($missing)) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        '%s is missing some expected keys in the argument array.  The following keys are missing: %s',
-                        'event_espresso'
-                    ),
-                    get_class($this),
-                    implode(', ', $missing)
-                )
-            );
-        }
-
-        // made it here okay, so let's set the properties!
-        foreach ($menu_args as $prop => $value) {
-            switch ($prop) {
-                case 'show_on_menu':
-                    $value = (int) $value;
-                    break;
-                case 'admin_init_page':
-                    if (in_array('admin_init_page', $required) && ! $value instanceof EE_Admin_Page_Init) {
-                        throw new EE_Error(
-                            sprintf(
-                                esc_html__(
-                                    'The value for the "admin_init_page" argument must be an instance of an EE_Admin_Page_Init object.  Instead %s was given as the value.',
-                                    'event_espresso'
-                                ),
-                                print_r($value, true)
-                            )
-                        );
-                    }
-                    break;
-                case 'menu_callback':
-                    break;
-
-                default:
-                    $value = (string) $value;
-                    break;
-            }
-            if (! EEH_Class_Tools::has_property($this, $prop)) {
-                throw new EE_Error(
-                    sprintf(
-                        esc_html__(
-                            'The $menu_args coming into %s has a index key (%s) representing a property that is not defined by the class.  Perhaps there is a typo?',
-                            'event_espresso'
-                        ),
-                        get_class($this),
-                        $prop
-                    )
-                );
-            }
-            $this->{$prop} = $value;
-        }
-
-        // filter capabilities (both static and dynamic)
-        $this->capability = apply_filters('FHEE_management_capability', $this->capability, null);
-        $this->capability = apply_filters('FHEE_' . $this->menu_slug . '_capability', $this->capability, null);
-
-        // Might need to change parent slug depending on maintenance mode.
-        if (
-            ! empty($this->maintenance_mode_parent)
-            && EE_Maintenance_Mode::instance()->level() == EE_Maintenance_Mode::level_2_complete_maintenance
-        ) {
-            $this->parent_slug = $this->maintenance_mode_parent;
-        }
-
-        // if empty menu_callback let's set default (but only if we have admin page init object)
-        if (empty($this->menu_callback) && $this->admin_init_page instanceof EE_Admin_Page_Init) {
-            $this->menu_callback = [$this->admin_init_page, 'initialize_admin_page'];
-        }
-    }
-
-
-    /**
-     * This method should define how the menu page gets added for this particular item
-     * and go ahead and define it.  Note that child classes MUST also return the result of
-     * the function used to register the WordPress admin page (the wp_page_slug string)
-     *
-     * @return string wp_page_slug.
-     * @since  4.4.0
-     */
-    abstract protected function _add_menu_page();
-
-
-    /**
-     * Called by client code to use this menu map for registering a WordPress admin page
-     *
-     * @param boolean $network_admin whether this is being added to the network admin page or not
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since  4.4.0
-     */
-    public function add_menu_page($network_admin = false)
-    {
-        $show_on_menu_int = (int) $this->show_on_menu;
-        if (
-            ($network_admin
-             && in_array(
-                 $show_on_menu_int,
-                 [self::BLOG_AND_NETWORK_ADMIN, self::NETWORK_ADMIN_ONLY],
-                 true
-             ))
-            || (! $network_admin
-                && in_array(
-                    $show_on_menu_int,
-                    [self::BLOG_AND_NETWORK_ADMIN, self::BLOG_ADMIN_ONLY],
-                    true
-                ))
-        ) {
-            $wp_page_slug = $this->_add_menu_page();
-        } else {
-            $wp_page_slug = '';
-        }
-
-        if (! empty($wp_page_slug) && $this->admin_init_page instanceof EE_Admin_Page_Init) {
-            try {
-                $this->admin_init_page->set_page_dependencies($wp_page_slug);
-            } catch (EE_Error $e) {
-                $e->get_error();
-            }
-        }
-    }
+	/**
+	 * The label for the menu item. (What shows up in the actual menu).
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $menu_label;
+
+
+	/**
+	 * What menu item is the parent of this menu item.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $parent_slug;
+
+
+	/**
+	 * What capability is required to access this page.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $capability = 'administrator';
+
+
+	/**
+	 * What slug should be used to reference this menu item.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $menu_slug;
+
+
+	/**
+	 * The callback for displaying the page that the menu references.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $menu_callback;
+
+
+	/**
+	 * The EE_Admin_Page_Init attached to this map.
+	 *
+	 * @var EE_Admin_Page_Init
+	 */
+	public $admin_init_page;
+
+
+	/**
+	 * The EE specific group this menu item belongs in (group slug).
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $menu_group;
+
+
+	/**
+	 * What order this item should be in the menu.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $menu_order;
+
+
+	const NONE                   = 0;
+
+	const BLOG_ADMIN_ONLY        = 1;
+
+	const BLOG_AND_NETWORK_ADMIN = 2;
+
+	const NETWORK_ADMIN_ONLY     = 3;
+
+
+	/**
+	 * Whether this item is displayed in the menu or not.
+	 * Sometimes an EE Admin Page needs to register itself but is not accessible via the WordPress
+	 * admin menu.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $show_on_menu = self::BLOG_ADMIN_ONLY;
+
+
+	/**
+	 * Menu maps can define a parent slug that gets used instead of the main parent slug for the menu when
+	 * EE_Maintenance_Mode::level_2_complete_maintenance is active.
+	 *
+	 * @var bool
+	 */
+	public $maintenance_mode_parent = '';
+
+
+	/**
+	 * @param array $menu_args            An array of arguments used to setup the menu
+	 *                                    properties on construct.
+	 * @param array $required             An array of keys that should be in the $menu_args, this
+	 *                                    is used to validate that the items that should be defined
+	 *                                    are present.
+	 * @return void
+	 * @throws EE_Error
+	 * @since 4.4.0
+	 *
+	 */
+	public function __construct($menu_args, $required)
+	{
+		// filter all args before processing so plugins can manipulate various settings for menus.
+		$menu_args = apply_filters(
+			'FHEE__EE_Admin_Page_Menu_Map__construct__menu_args',
+			$menu_args,
+			$required,
+			get_class($this)
+		);
+
+
+		// verify that required keys are present in the incoming array.
+		$missing = array_diff((array) $required, array_keys((array) $menu_args));
+
+		if (! empty($missing)) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'%s is missing some expected keys in the argument array.  The following keys are missing: %s',
+						'event_espresso'
+					),
+					get_class($this),
+					implode(', ', $missing)
+				)
+			);
+		}
+
+		// made it here okay, so let's set the properties!
+		foreach ($menu_args as $prop => $value) {
+			switch ($prop) {
+				case 'show_on_menu':
+					$value = (int) $value;
+					break;
+				case 'admin_init_page':
+					if (in_array('admin_init_page', $required) && ! $value instanceof EE_Admin_Page_Init) {
+						throw new EE_Error(
+							sprintf(
+								esc_html__(
+									'The value for the "admin_init_page" argument must be an instance of an EE_Admin_Page_Init object.  Instead %s was given as the value.',
+									'event_espresso'
+								),
+								print_r($value, true)
+							)
+						);
+					}
+					break;
+				case 'menu_callback':
+					break;
+
+				default:
+					$value = (string) $value;
+					break;
+			}
+			if (! EEH_Class_Tools::has_property($this, $prop)) {
+				throw new EE_Error(
+					sprintf(
+						esc_html__(
+							'The $menu_args coming into %s has a index key (%s) representing a property that is not defined by the class.  Perhaps there is a typo?',
+							'event_espresso'
+						),
+						get_class($this),
+						$prop
+					)
+				);
+			}
+			$this->{$prop} = $value;
+		}
+
+		// filter capabilities (both static and dynamic)
+		$this->capability = apply_filters('FHEE_management_capability', $this->capability, null);
+		$this->capability = apply_filters('FHEE_' . $this->menu_slug . '_capability', $this->capability, null);
+
+		// Might need to change parent slug depending on maintenance mode.
+		if (
+			! empty($this->maintenance_mode_parent)
+			&& EE_Maintenance_Mode::instance()->level() == EE_Maintenance_Mode::level_2_complete_maintenance
+		) {
+			$this->parent_slug = $this->maintenance_mode_parent;
+		}
+
+		// if empty menu_callback let's set default (but only if we have admin page init object)
+		if (empty($this->menu_callback) && $this->admin_init_page instanceof EE_Admin_Page_Init) {
+			$this->menu_callback = [$this->admin_init_page, 'initialize_admin_page'];
+		}
+	}
+
+
+	/**
+	 * This method should define how the menu page gets added for this particular item
+	 * and go ahead and define it.  Note that child classes MUST also return the result of
+	 * the function used to register the WordPress admin page (the wp_page_slug string)
+	 *
+	 * @return string wp_page_slug.
+	 * @since  4.4.0
+	 */
+	abstract protected function _add_menu_page();
+
+
+	/**
+	 * Called by client code to use this menu map for registering a WordPress admin page
+	 *
+	 * @param boolean $network_admin whether this is being added to the network admin page or not
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since  4.4.0
+	 */
+	public function add_menu_page($network_admin = false)
+	{
+		$show_on_menu_int = (int) $this->show_on_menu;
+		if (
+			($network_admin
+			 && in_array(
+				 $show_on_menu_int,
+				 [self::BLOG_AND_NETWORK_ADMIN, self::NETWORK_ADMIN_ONLY],
+				 true
+			 ))
+			|| (! $network_admin
+				&& in_array(
+					$show_on_menu_int,
+					[self::BLOG_AND_NETWORK_ADMIN, self::BLOG_ADMIN_ONLY],
+					true
+				))
+		) {
+			$wp_page_slug = $this->_add_menu_page();
+		} else {
+			$wp_page_slug = '';
+		}
+
+		if (! empty($wp_page_slug) && $this->admin_init_page instanceof EE_Admin_Page_Init) {
+			try {
+				$this->admin_init_page->set_page_dependencies($wp_page_slug);
+			} catch (EE_Error $e) {
+				$e->get_error();
+			}
+		}
+	}
 }

Spacing +5 added lines, -5 removed lines

@@ -145,7 +145,7 @@ 
         // verify that required keys are present in the incoming array.
         $missing = array_diff((array) $required, array_keys((array) $menu_args));
 
-        if (! empty($missing)) {
+        if ( ! empty($missing)) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -184,7 +184,7 @@ 
                     $value = (string) $value;
                     break;
             }
-            if (! EEH_Class_Tools::has_property($this, $prop)) {
+            if ( ! EEH_Class_Tools::has_property($this, $prop)) {
                 throw new EE_Error(
                     sprintf(
                         esc_html__(
@@ -201,7 +201,7 @@ 
 
         // filter capabilities (both static and dynamic)
         $this->capability = apply_filters('FHEE_management_capability', $this->capability, null);
-        $this->capability = apply_filters('FHEE_' . $this->menu_slug . '_capability', $this->capability, null);
+        $this->capability = apply_filters('FHEE_'.$this->menu_slug.'_capability', $this->capability, null);
 
         // Might need to change parent slug depending on maintenance mode.
         if (
@@ -247,7 +247,7 @@ 
                  [self::BLOG_AND_NETWORK_ADMIN, self::NETWORK_ADMIN_ONLY],
                  true
              ))
-            || (! $network_admin
+            || ( ! $network_admin
                 && in_array(
                     $show_on_menu_int,
                     [self::BLOG_AND_NETWORK_ADMIN, self::BLOG_ADMIN_ONLY],
@@ -259,7 +259,7 @@ 
             $wp_page_slug = '';
         }
 
-        if (! empty($wp_page_slug) && $this->admin_init_page instanceof EE_Admin_Page_Init) {
+        if ( ! empty($wp_page_slug) && $this->admin_init_page instanceof EE_Admin_Page_Init) {
             try {
                 $this->admin_init_page->set_page_dependencies($wp_page_slug);
             } catch (EE_Error $e) {