eventespresso / event-espresso-core

core/admin/EE_Admin.core.php

Indentation +896 added lines, -896 removed lines

@@ -22,454 +22,454 @@ 
 final class EE_Admin implements InterminableInterface
 {
 
-    /**
-     * @var EE_Admin $_instance
-     */
-    private static $_instance;
-
-    /**
-     * @var PersistentAdminNoticeManager $persistent_admin_notice_manager
-     */
-    private $persistent_admin_notice_manager;
-
-    /**
-     * @singleton method used to instantiate class object
-     * @return EE_Admin
-     * @throws EE_Error
-     */
-    public static function instance()
-    {
-        // check if class object is instantiated
-        if (! self::$_instance instanceof EE_Admin) {
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * @return EE_Admin
-     * @throws EE_Error
-     */
-    public static function reset()
-    {
-        self::$_instance = null;
-        return self::instance();
-    }
-
-
-    /**
-     * class constructor
-     *
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    protected function __construct()
-    {
-        // define global EE_Admin constants
-        $this->_define_all_constants();
-        // set autoloaders for our admin page classes based on included path information
-        EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder(EE_ADMIN);
-        // admin hooks
-        add_filter('plugin_action_links', array($this, 'filter_plugin_actions'), 10, 2);
-        // load EE_Request_Handler early
-        add_action('AHEE__EE_System__core_loaded_and_ready', array($this, 'get_request'));
-        add_action('AHEE__EE_System__initialize_last', array($this, 'init'));
-        add_action('AHEE__EE_Admin_Page__route_admin_request', array($this, 'route_admin_request'), 100, 2);
-        add_action('wp_loaded', array($this, 'wp_loaded'), 100);
-        add_action('admin_init', array($this, 'admin_init'), 100);
-        add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'), 20);
-        add_action('admin_notices', array($this, 'display_admin_notices'), 10);
-        add_action('network_admin_notices', array($this, 'display_admin_notices'), 10);
-        add_filter('pre_update_option', array($this, 'check_for_invalid_datetime_formats'), 100, 2);
-        add_filter('admin_footer_text', array($this, 'espresso_admin_footer'));
-        //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' . DS);
-            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) {
-            $main_file = plugin_basename(EVENT_ESPRESSO_MAIN_FILE);
-        }
-        if ($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;
-    }
-
-
-    /**
-     * _get_request
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function get_request()
-    {
-        EE_Registry::instance()->load_core('Request_Handler');
-        EE_Registry::instance()->load_core('CPT_Strategy');
-    }
-
-
-
-    /**
-     * 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 = array())
-    {
-        return array(
-            'maintenance' => EE_ADMIN_PAGES . 'maintenance' . DS,
-            'about'       => EE_ADMIN_PAGES . 'about' . DS,
-            'support'     => EE_ADMIN_PAGES . 'support' . DS,
-        );
-    }
-
-
-
-    /**
-     * 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()) {
-            //ok so we want to enable the entire admin
-            $this->persistent_admin_notice_manager = LoaderFactory::getLoader()->getShared(
-                'EventEspresso\core\services\notifications\PersistentAdminNoticeManager',
-                array(
-                    EE_Admin_Page::add_query_args_and_nonce(
-                        array(
-                            'page'   => EE_Registry::instance()->REQ->get('page', ''),
-                            'action' => EE_Registry::instance()->REQ->get('action', ''),
-                        ),
-                        EE_ADMIN_URL
-                    ),
-                )
-            );
-            $this->maybeSetDatetimeWarningNotice();
-            //at a glance dashboard widget
-            add_filter('dashboard_glance_items', array($this, 'dashboard_glance_items'), 10);
-            //filter for get_edit_post_link used on comments for custom post types
-            add_filter('get_edit_post_link', array($this, 'modify_edit_post_link'), 10, 2);
-        }
-        // run the admin page factory but ONLY if we are doing an ee admin ajax request
-        if (! defined('DOING_AJAX') || EE_ADMIN_AJAX) {
-            try {
-                //this loads the controller for the admin pages which will setup routing etc
-                EE_Registry::instance()->load_core('Admin_Page_Loader');
-            } catch (EE_Error $e) {
-                $e->get_error();
-            }
-        }
-        add_filter('content_save_pre', array($this, 'its_eSpresso'), 10, 1);
-        //make sure our CPTs and custom taxonomy metaboxes get shown for first time users
-        add_action('admin_head', array($this, 'enable_hidden_ee_nav_menu_metaboxes'), 10);
-        add_action('admin_head', array($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', array($this, 'remove_pages_from_nav_menu'), 10);
-    }
-
-
-    /**
-     *    get_persistent_admin_notices
-     *
-     * @access    public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function maybeSetDatetimeWarningNotice()
-    {
-        //add dismissable notice for datetime changes.  Only valid if site does not have a timezone_string set.
-        //@todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
-        //with this.  But after enough time (indeterminate at this point) we can just remove this notice.
-        //this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
-        if (! get_option('timezone_string') && EEM_Event::instance()->count() > 0) {
-            new PersistentAdminNotice(
-                'datetime_fix_notice',
-                sprintf(
-                    esc_html__(
-                        '%1$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(
-                        array(
-                            '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 = array(
-            '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);
-        $initial_meta_boxes = apply_filters(
-            'FHEE__EE_Admin__enable_hidden_ee_nav_menu_boxes__initial_meta_boxes',
-            array(
-                'nav-menu-theme-locations',
-                'add-page',
-                'add-custom-links',
-                'add-category',
-                'add-espresso_events',
-                'add-espresso_venues',
-                'add-espresso_event_categories',
-                'add-espresso_venue_categories',
-                'add-post-type-post',
-                'add-post-type-page',
-            )
-        );
-
-        if (is_array($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.
-     *
-     * @todo   modify this so its more dynamic and automatic for all ee CPTs and setups and can also be hooked into by
-     *         addons etc.
-     * @return void
-     */
-    public function register_custom_nav_menu_boxes()
-    {
-        add_meta_box(
-            'add-extra-nav-menu-pages',
-            esc_html__('Event Espresso Pages', 'event_espresso'),
-            array($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.
-     *
-     * @since   4.3.0
-     * @param string $link the original link generated by wp
-     * @param int    $id   post id
-     * @return string  the (maybe) modified link
-     */
-    public function modify_edit_post_link($link, $id)
-    {
-        if (! $post = get_post($id)) {
-            return $link;
-        }
-        if ($post->post_type === 'espresso_attendees') {
-            $query_args = array(
-                '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;
-        $db_fields   = false;
-        $walker      = new Walker_Nav_Menu_Checklist($db_fields);
-        $current_tab = 'event-archives';
-        $removed_args = array(
-            'action',
-            'customlink-tab',
-            'edit-menu-item',
-            'menu-item',
-            'page-tab',
-            '_wpnonce',
-        );
-        ?>
+	/**
+	 * @var EE_Admin $_instance
+	 */
+	private static $_instance;
+
+	/**
+	 * @var PersistentAdminNoticeManager $persistent_admin_notice_manager
+	 */
+	private $persistent_admin_notice_manager;
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @return EE_Admin
+	 * @throws EE_Error
+	 */
+	public static function instance()
+	{
+		// check if class object is instantiated
+		if (! self::$_instance instanceof EE_Admin) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * @return EE_Admin
+	 * @throws EE_Error
+	 */
+	public static function reset()
+	{
+		self::$_instance = null;
+		return self::instance();
+	}
+
+
+	/**
+	 * class constructor
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	protected function __construct()
+	{
+		// define global EE_Admin constants
+		$this->_define_all_constants();
+		// set autoloaders for our admin page classes based on included path information
+		EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder(EE_ADMIN);
+		// admin hooks
+		add_filter('plugin_action_links', array($this, 'filter_plugin_actions'), 10, 2);
+		// load EE_Request_Handler early
+		add_action('AHEE__EE_System__core_loaded_and_ready', array($this, 'get_request'));
+		add_action('AHEE__EE_System__initialize_last', array($this, 'init'));
+		add_action('AHEE__EE_Admin_Page__route_admin_request', array($this, 'route_admin_request'), 100, 2);
+		add_action('wp_loaded', array($this, 'wp_loaded'), 100);
+		add_action('admin_init', array($this, 'admin_init'), 100);
+		add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'), 20);
+		add_action('admin_notices', array($this, 'display_admin_notices'), 10);
+		add_action('network_admin_notices', array($this, 'display_admin_notices'), 10);
+		add_filter('pre_update_option', array($this, 'check_for_invalid_datetime_formats'), 100, 2);
+		add_filter('admin_footer_text', array($this, 'espresso_admin_footer'));
+		//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' . DS);
+			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) {
+			$main_file = plugin_basename(EVENT_ESPRESSO_MAIN_FILE);
+		}
+		if ($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;
+	}
+
+
+	/**
+	 * _get_request
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function get_request()
+	{
+		EE_Registry::instance()->load_core('Request_Handler');
+		EE_Registry::instance()->load_core('CPT_Strategy');
+	}
+
+
+
+	/**
+	 * 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 = array())
+	{
+		return array(
+			'maintenance' => EE_ADMIN_PAGES . 'maintenance' . DS,
+			'about'       => EE_ADMIN_PAGES . 'about' . DS,
+			'support'     => EE_ADMIN_PAGES . 'support' . DS,
+		);
+	}
+
+
+
+	/**
+	 * 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()) {
+			//ok so we want to enable the entire admin
+			$this->persistent_admin_notice_manager = LoaderFactory::getLoader()->getShared(
+				'EventEspresso\core\services\notifications\PersistentAdminNoticeManager',
+				array(
+					EE_Admin_Page::add_query_args_and_nonce(
+						array(
+							'page'   => EE_Registry::instance()->REQ->get('page', ''),
+							'action' => EE_Registry::instance()->REQ->get('action', ''),
+						),
+						EE_ADMIN_URL
+					),
+				)
+			);
+			$this->maybeSetDatetimeWarningNotice();
+			//at a glance dashboard widget
+			add_filter('dashboard_glance_items', array($this, 'dashboard_glance_items'), 10);
+			//filter for get_edit_post_link used on comments for custom post types
+			add_filter('get_edit_post_link', array($this, 'modify_edit_post_link'), 10, 2);
+		}
+		// run the admin page factory but ONLY if we are doing an ee admin ajax request
+		if (! defined('DOING_AJAX') || EE_ADMIN_AJAX) {
+			try {
+				//this loads the controller for the admin pages which will setup routing etc
+				EE_Registry::instance()->load_core('Admin_Page_Loader');
+			} catch (EE_Error $e) {
+				$e->get_error();
+			}
+		}
+		add_filter('content_save_pre', array($this, 'its_eSpresso'), 10, 1);
+		//make sure our CPTs and custom taxonomy metaboxes get shown for first time users
+		add_action('admin_head', array($this, 'enable_hidden_ee_nav_menu_metaboxes'), 10);
+		add_action('admin_head', array($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', array($this, 'remove_pages_from_nav_menu'), 10);
+	}
+
+
+	/**
+	 *    get_persistent_admin_notices
+	 *
+	 * @access    public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function maybeSetDatetimeWarningNotice()
+	{
+		//add dismissable notice for datetime changes.  Only valid if site does not have a timezone_string set.
+		//@todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
+		//with this.  But after enough time (indeterminate at this point) we can just remove this notice.
+		//this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
+		if (! get_option('timezone_string') && EEM_Event::instance()->count() > 0) {
+			new PersistentAdminNotice(
+				'datetime_fix_notice',
+				sprintf(
+					esc_html__(
+						'%1$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(
+						array(
+							'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 = array(
+			'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);
+		$initial_meta_boxes = apply_filters(
+			'FHEE__EE_Admin__enable_hidden_ee_nav_menu_boxes__initial_meta_boxes',
+			array(
+				'nav-menu-theme-locations',
+				'add-page',
+				'add-custom-links',
+				'add-category',
+				'add-espresso_events',
+				'add-espresso_venues',
+				'add-espresso_event_categories',
+				'add-espresso_venue_categories',
+				'add-post-type-post',
+				'add-post-type-page',
+			)
+		);
+
+		if (is_array($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.
+	 *
+	 * @todo   modify this so its more dynamic and automatic for all ee CPTs and setups and can also be hooked into by
+	 *         addons etc.
+	 * @return void
+	 */
+	public function register_custom_nav_menu_boxes()
+	{
+		add_meta_box(
+			'add-extra-nav-menu-pages',
+			esc_html__('Event Espresso Pages', 'event_espresso'),
+			array($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.
+	 *
+	 * @since   4.3.0
+	 * @param string $link the original link generated by wp
+	 * @param int    $id   post id
+	 * @return string  the (maybe) modified link
+	 */
+	public function modify_edit_post_link($link, $id)
+	{
+		if (! $post = get_post($id)) {
+			return $link;
+		}
+		if ($post->post_type === 'espresso_attendees') {
+			$query_args = array(
+				'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;
+		$db_fields   = false;
+		$walker      = new Walker_Nav_Menu_Checklist($db_fields);
+		$current_tab = 'event-archives';
+		$removed_args = array(
+			'action',
+			'customlink-tab',
+			'edit-menu-item',
+			'menu-item',
+			'page-tab',
+			'_wpnonce',
+		);
+		?>
         <div id="posttype-extra-nav-menu-pages" class="posttypediv">
             <ul id="posttype-extra-nav-menu-pages-tabs" class="posttype-tabs add-menu-item-tabs">
                 <li <?php echo('event-archives' === $current_tab ? ' class="tabs"' : ''); ?>>
                     <a class="nav-tab-link" data-type="tabs-panel-posttype-extra-nav-menu-pages-event-archives"
                        href="<?php if ($nav_menu_selected_id) {
-                            echo esc_url(
-                                add_query_arg(
-                                    'extra-nav-menu-pages-tab',
-                                    'event-archives',
-                                    remove_query_arg($removed_args)
-                                )
-                            );
-                       } ?>#tabs-panel-posttype-extra-nav-menu-pages-event-archives">
+							echo esc_url(
+								add_query_arg(
+									'extra-nav-menu-pages-tab',
+									'event-archives',
+									remove_query_arg($removed_args)
+								)
+							);
+					   } ?>#tabs-panel-posttype-extra-nav-menu-pages-event-archives">
                         <?php _e('Event Archive Pages', 'event_espresso'); ?>
                     </a>
                 </li>
             </ul><!-- .posttype-tabs -->
 
             <div id="tabs-panel-posttype-extra-nav-menu-pages-event-archives" class="tabs-panel <?php
-                echo('event-archives' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive');
-                ?>">
+				echo('event-archives' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive');
+				?>">
                     <ul id="extra-nav-menu-pageschecklist-event-archives" class="categorychecklist form-no-clear">
                         <?php
-                        $pages          = $this->_get_extra_nav_menu_pages_items();
-                        $args['walker'] = $walker;
-                        echo walk_nav_menu_tree(
-                            array_map(
-                                array($this, '_setup_extra_nav_menu_pages_items'),
-                                $pages
-                            ),
-                            0,
-                            (object) $args
-                        );
-                        ?>
+						$pages          = $this->_get_extra_nav_menu_pages_items();
+						$args['walker'] = $walker;
+						echo walk_nav_menu_tree(
+							array_map(
+								array($this, '_setup_extra_nav_menu_pages_items'),
+								$pages
+							),
+							0,
+							(object) $args
+						);
+						?>
                     </ul>
                 </div><!-- /.tabs-panel -->
 
                 <p class="button-controls">
                 <span class="list-controls">
                     <a href="<?php
-                    echo esc_url(add_query_arg(
-                        array(
-                            'extra-nav-menu-pages-tab' => 'event-archives',
-                            'selectall'                => 1,
-                        ),
-                        remove_query_arg($removed_args)
-                    ));
-                    ?>#posttype-extra-nav-menu-pages>" class="select-all"><?php _e('Select All'); ?></a>
+					echo esc_url(add_query_arg(
+						array(
+							'extra-nav-menu-pages-tab' => 'event-archives',
+							'selectall'                => 1,
+						),
+						remove_query_arg($removed_args)
+					));
+					?>#posttype-extra-nav-menu-pages>" class="select-all"><?php _e('Select All'); ?></a>
                 </span>
                 <span class="add-to-menu">
                     <input type="submit"<?php wp_nav_menu_disabled_check($nav_menu_selected_id); ?>
@@ -482,471 +482,471 @@ 
 
         </div><!-- /.posttypediv -->
         <?php
-    }
-
-
-    /**
-     * Returns an array of event archive nav items.
-     *
-     * @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
-     * @return array
-     */
-    private function _get_extra_nav_menu_pages_items()
-    {
-        $menuitems[] = array(
-            '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.
-     *
-     * @see wp_setup_nav_menu_item() in wp-includes/nav-menu.php
-     * @param $menu_item_values
-     * @return stdClass
-     */
-    private function _setup_extra_nav_menu_pages_items($menu_item_values)
-    {
-        $menu_item = new stdClass();
-        $keys      = array(
-            'ID'               => 0,
-            'db_id'            => 0,
-            'menu_item_parent' => 0,
-            'object_id'        => -1,
-            'post_parent'      => 0,
-            'type'             => 'custom',
-            'object'           => '',
-            'type_label'       => esc_html__('Extra Nav Menu Item', 'event_espresso'),
-            'title'            => '',
-            'url'              => '',
-            'target'           => '',
-            'attr_title'       => '',
-            'description'      => '',
-            'classes'          => array(),
-            'xfn'              => '',
-        );
-
-        foreach ($keys as $key => $value) {
-            $menu_item->{$key} = isset($menu_item_values[$key]) ? $menu_item_values[$key] : $value;
-        }
-        return $menu_item;
-    }
-
-
-    /**
-     * This is the action hook for the AHEE__EE_Admin_Page__route_admin_request hook that fires off right before an
-     * EE_Admin_Page route is called.
-     *
-     * @return void
-     */
-    public function route_admin_request()
-    {
-    }
-
-
-    /**
-     * wp_loaded should fire on the WordPress wp_loaded hook.  This fires on a VERY late priority.
-     *
-     * @return void
-     */
-    public function wp_loaded()
-    {
-    }
-
-
-    /**
-     * admin_init
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function admin_init()
-    {
-
-        /**
-         * our cpt models must be instantiated on WordPress post processing routes (wp-admin/post.php),
-         * so any hooking into core WP routes is taken care of.  So in this next few lines of code:
-         * - check if doing post processing.
-         * - check if doing post processing of one of EE CPTs
-         * - instantiate the corresponding EE CPT model for the post_type being processed.
-         */
-        if (isset($_POST['action'], $_POST['post_type']) && $_POST['action'] === 'editpost') {
-            EE_Registry::instance()->load_core('Register_CPTs');
-            EE_Register_CPTs::instantiate_cpt_models($_POST['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', array($this, 'modify_dropdown_pages'));
-    }
-
-
-    /**
-     * 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',
-            array('jquery'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        // register cookie script for future dependencies
-        wp_register_script(
-            'jquery-cookie',
-            EE_THIRD_PARTY_URL . 'joyride/jquery.cookie.js',
-            array('jquery'),
-            '2.1',
-            true
-        );
-        //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();
-    }
-
-
-
-    /**
-     * @param array $elements
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function dashboard_glance_items($elements)
-    {
-        $elements                        = is_array($elements) ? $elements : array($elements);
-        $events                          = EEM_Event::instance()->count();
-        $items['events']['url']          = EE_Admin_Page::add_query_args_and_nonce(
-            array('page' => 'espresso_events'),
-            admin_url('admin.php')
-        );
-        $items['events']['text']         = sprintf(_n('%s Event', '%s Events', $events), number_format_i18n($events));
-        $items['events']['title']        = esc_html__('Click to view all Events', 'event_espresso');
-        $registrations                   = EEM_Registration::instance()->count(
-            array(
-                array(
-                    'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
-                ),
-            )
-        );
-        $items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
-            array('page' => 'espresso_registrations'),
-            admin_url('admin.php')
-        );
-        $items['registrations']['text']  = sprintf(
-            _n('%s Registration', '%s Registrations', $registrations),
-            number_format_i18n($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    $option
-     * @throws EE_Error
-     * @return    string
-     */
-    public function check_for_invalid_datetime_formats($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', '', array('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.
-     *
-     * @since      4.3.0
-     * @deprecated 4.3.0    Use EE_Register_Admin_Page::register() instead
-     * @see        EE_Register_Admin_Page::register()
-     * @param       $page_basename
-     * @param       $page_path
-     * @param array $config
-     * @return void
-     * @throws EE_Error
-     */
-    public static function register_ee_admin_page($page_basename, $page_path, $config = array())
-    {
-        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);
-    }
-
-
-    /**
-     * @deprecated 4.8.41
-     * @param  int      $post_ID
-     * @param  \WP_Post $post
-     * @return void
-     */
-    public static function parse_post_content_on_save($post_ID, $post)
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__('Usage is deprecated', 'event_espresso'),
-            '4.8.41'
-        );
-    }
-
-
-    /**
-     * @deprecated 4.8.41
-     * @param  $option
-     * @param  $old_value
-     * @param  $value
-     * @return void
-     */
-    public function reset_page_for_posts_on_change($option, $old_value, $value)
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__('Usage is deprecated', 'event_espresso'),
-            '4.8.41'
-        );
-    }
-
-
-
-    /**
-     * @deprecated 4.9.27
-     * @return void
-     */
-    public function get_persistent_admin_notices()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                __('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-    }
-
-
-
-    /**
-     * @deprecated 4.9.27
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws DomainException
-     */
-    public function dismiss_ee_nag_notice_callback()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                __('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-        $this->persistent_admin_notice_manager->dismissNotice();
-    }
+	}
+
+
+	/**
+	 * Returns an array of event archive nav items.
+	 *
+	 * @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
+	 * @return array
+	 */
+	private function _get_extra_nav_menu_pages_items()
+	{
+		$menuitems[] = array(
+			'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.
+	 *
+	 * @see wp_setup_nav_menu_item() in wp-includes/nav-menu.php
+	 * @param $menu_item_values
+	 * @return stdClass
+	 */
+	private function _setup_extra_nav_menu_pages_items($menu_item_values)
+	{
+		$menu_item = new stdClass();
+		$keys      = array(
+			'ID'               => 0,
+			'db_id'            => 0,
+			'menu_item_parent' => 0,
+			'object_id'        => -1,
+			'post_parent'      => 0,
+			'type'             => 'custom',
+			'object'           => '',
+			'type_label'       => esc_html__('Extra Nav Menu Item', 'event_espresso'),
+			'title'            => '',
+			'url'              => '',
+			'target'           => '',
+			'attr_title'       => '',
+			'description'      => '',
+			'classes'          => array(),
+			'xfn'              => '',
+		);
+
+		foreach ($keys as $key => $value) {
+			$menu_item->{$key} = isset($menu_item_values[$key]) ? $menu_item_values[$key] : $value;
+		}
+		return $menu_item;
+	}
+
+
+	/**
+	 * This is the action hook for the AHEE__EE_Admin_Page__route_admin_request hook that fires off right before an
+	 * EE_Admin_Page route is called.
+	 *
+	 * @return void
+	 */
+	public function route_admin_request()
+	{
+	}
+
+
+	/**
+	 * wp_loaded should fire on the WordPress wp_loaded hook.  This fires on a VERY late priority.
+	 *
+	 * @return void
+	 */
+	public function wp_loaded()
+	{
+	}
+
+
+	/**
+	 * admin_init
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function admin_init()
+	{
+
+		/**
+		 * our cpt models must be instantiated on WordPress post processing routes (wp-admin/post.php),
+		 * so any hooking into core WP routes is taken care of.  So in this next few lines of code:
+		 * - check if doing post processing.
+		 * - check if doing post processing of one of EE CPTs
+		 * - instantiate the corresponding EE CPT model for the post_type being processed.
+		 */
+		if (isset($_POST['action'], $_POST['post_type']) && $_POST['action'] === 'editpost') {
+			EE_Registry::instance()->load_core('Register_CPTs');
+			EE_Register_CPTs::instantiate_cpt_models($_POST['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', array($this, 'modify_dropdown_pages'));
+	}
+
+
+	/**
+	 * 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',
+			array('jquery'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		// register cookie script for future dependencies
+		wp_register_script(
+			'jquery-cookie',
+			EE_THIRD_PARTY_URL . 'joyride/jquery.cookie.js',
+			array('jquery'),
+			'2.1',
+			true
+		);
+		//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();
+	}
+
+
+
+	/**
+	 * @param array $elements
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function dashboard_glance_items($elements)
+	{
+		$elements                        = is_array($elements) ? $elements : array($elements);
+		$events                          = EEM_Event::instance()->count();
+		$items['events']['url']          = EE_Admin_Page::add_query_args_and_nonce(
+			array('page' => 'espresso_events'),
+			admin_url('admin.php')
+		);
+		$items['events']['text']         = sprintf(_n('%s Event', '%s Events', $events), number_format_i18n($events));
+		$items['events']['title']        = esc_html__('Click to view all Events', 'event_espresso');
+		$registrations                   = EEM_Registration::instance()->count(
+			array(
+				array(
+					'STS_ID' => array('!=', EEM_Registration::status_id_incomplete),
+				),
+			)
+		);
+		$items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
+			array('page' => 'espresso_registrations'),
+			admin_url('admin.php')
+		);
+		$items['registrations']['text']  = sprintf(
+			_n('%s Registration', '%s Registrations', $registrations),
+			number_format_i18n($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    $option
+	 * @throws EE_Error
+	 * @return    string
+	 */
+	public function check_for_invalid_datetime_formats($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', '', array('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.
+	 *
+	 * @since      4.3.0
+	 * @deprecated 4.3.0    Use EE_Register_Admin_Page::register() instead
+	 * @see        EE_Register_Admin_Page::register()
+	 * @param       $page_basename
+	 * @param       $page_path
+	 * @param array $config
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function register_ee_admin_page($page_basename, $page_path, $config = array())
+	{
+		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);
+	}
+
+
+	/**
+	 * @deprecated 4.8.41
+	 * @param  int      $post_ID
+	 * @param  \WP_Post $post
+	 * @return void
+	 */
+	public static function parse_post_content_on_save($post_ID, $post)
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__('Usage is deprecated', 'event_espresso'),
+			'4.8.41'
+		);
+	}
+
+
+	/**
+	 * @deprecated 4.8.41
+	 * @param  $option
+	 * @param  $old_value
+	 * @param  $value
+	 * @return void
+	 */
+	public function reset_page_for_posts_on_change($option, $old_value, $value)
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__('Usage is deprecated', 'event_espresso'),
+			'4.8.41'
+		);
+	}
+
+
+
+	/**
+	 * @deprecated 4.9.27
+	 * @return void
+	 */
+	public function get_persistent_admin_notices()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+	}
+
+
+
+	/**
+	 * @deprecated 4.9.27
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws DomainException
+	 */
+	public function dismiss_ee_nag_notice_callback()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+		$this->persistent_admin_notice_manager->dismissNotice();
+	}
 }

Spacing +30 added lines, -30 removed lines

@@ -40,7 +40,7 @@ 
     public static function instance()
     {
         // check if class object is instantiated
-        if (! self::$_instance instanceof EE_Admin) {
+        if ( ! self::$_instance instanceof EE_Admin) {
             self::$_instance = new self();
         }
         return self::$_instance;
@@ -100,11 +100,11 @@ 
      */
     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' . DS);
-            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'.DS);
+            define('WP_ADMIN_PATH', ABSPATH.'wp-admin/');
             define('WP_AJAX_URL', admin_url('admin-ajax.php'));
         }
     }
@@ -122,7 +122,7 @@ 
         // set $main_file in stone
         static $main_file;
         // if $main_file is not set yet
-        if (! $main_file) {
+        if ( ! $main_file) {
             $main_file = plugin_basename(EVENT_ESPRESSO_MAIN_FILE);
         }
         if ($plugin === $main_file) {
@@ -175,9 +175,9 @@ 
     public function hide_admin_pages_except_maintenance_mode($admin_page_folder_names = array())
     {
         return array(
-            'maintenance' => EE_ADMIN_PAGES . 'maintenance' . DS,
-            'about'       => EE_ADMIN_PAGES . 'about' . DS,
-            'support'     => EE_ADMIN_PAGES . 'support' . DS,
+            'maintenance' => EE_ADMIN_PAGES.'maintenance'.DS,
+            'about'       => EE_ADMIN_PAGES.'about'.DS,
+            'support'     => EE_ADMIN_PAGES.'support'.DS,
         );
     }
 
@@ -219,7 +219,7 @@ 
             add_filter('get_edit_post_link', array($this, 'modify_edit_post_link'), 10, 2);
         }
         // run the admin page factory but ONLY if we are doing an ee admin ajax request
-        if (! defined('DOING_AJAX') || EE_ADMIN_AJAX) {
+        if ( ! defined('DOING_AJAX') || EE_ADMIN_AJAX) {
             try {
                 //this loads the controller for the admin pages which will setup routing etc
                 EE_Registry::instance()->load_core('Admin_Page_Loader');
@@ -252,7 +252,7 @@ 
         //@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 (! get_option('timezone_string') && EEM_Event::instance()->count() > 0) {
+        if ( ! get_option('timezone_string') && EEM_Event::instance()->count() > 0) {
             new PersistentAdminNotice(
                 'datetime_fix_notice',
                 sprintf(
@@ -264,13 +264,13 @@ 
                     '</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(
                         array(
                             'page' => 'espresso_maintenance_settings',
                             'action' => 'datetime_tools'
                         ),
                         admin_url('admin.php')
-                    ) . '">'
+                    ).'">'
                 ),
                 false,
                 'manage_options',
@@ -318,7 +318,7 @@ 
     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;
         }
         $user = wp_get_current_user();
@@ -389,7 +389,7 @@ 
      */
     public function modify_edit_post_link($link, $id)
     {
-        if (! $post = get_post($id)) {
+        if ( ! $post = get_post($id)) {
             return $link;
         }
         if ($post->post_type === 'espresso_attendees') {
@@ -615,7 +615,7 @@ 
 
         //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]);
@@ -639,7 +639,7 @@ 
         // 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',
             array('jquery'),
             EVENT_ESPRESSO_VERSION,
             true
@@ -647,7 +647,7 @@ 
         // 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',
             array('jquery'),
             '2.1',
             true
@@ -656,16 +656,16 @@ 
         // 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('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',
+                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',
+                EE_THIRD_PARTY_URL.'joyride/modernizr.mq.js',
                 array(),
                 '2.1',
                 true
@@ -673,7 +673,7 @@ 
             //joyride JS
             wp_register_script(
                 'jquery-joyride',
-                EE_THIRD_PARTY_URL . 'joyride/jquery.joyride-2.1.js',
+                EE_THIRD_PARTY_URL.'joyride/jquery.joyride-2.1.js',
                 array('jquery-cookie', 'joyride-modernizr'),
                 '2.1',
                 true
@@ -722,21 +722,21 @@ 
                 ),
             )
         );
-        $items['registrations']['url']   = EE_Admin_Page::add_query_args_and_nonce(
+        $items['registrations']['url'] = EE_Admin_Page::add_query_args_and_nonce(
             array('page' => 'espresso_registrations'),
             admin_url('admin.php')
         );
-        $items['registrations']['text']  = sprintf(
+        $items['registrations']['text'] = sprintf(
             _n('%s Registration', '%s Registrations', $registrations),
             number_format_i18n($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);
+        $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-' . $type . '" href="%s" title="%s">%s</a>',
+                '<a class="ee-dashboard-link-'.$type.'" href="%s" title="%s">%s</a>',
                 $item_properties['url'],
                 $item_properties['title'],
                 $item_properties['text']
@@ -761,10 +761,10 @@ 
         // check for date_format or time_format
         switch ($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;
@@ -787,7 +787,7 @@ 
 
 
                 foreach ($error_msg as $error) {
-                    $msg .= '<li>' . $error . '</li>';
+                    $msg .= '<li>'.$error.'</li>';
                 }
 
                 $msg .= '</ul></p><p>'

core/EE_Session.core.php

Doc Comments +5 added lines, -5 removed lines

@@ -484,7 +484,7 @@ 
      *
      * @access    public
      * @param    array $data
-     * @return    TRUE on success, FALSE on fail
+     * @return    boolean on success, FALSE on fail
      */
     public function set_session_data($data)
     {
@@ -511,7 +511,7 @@ 
     /**
      * @initiate session
      * @access   private
-     * @return TRUE on success, FALSE on fail
+     * @return boolean on success, FALSE on fail
      * @throws EE_Error
      * @throws InvalidArgumentException
      * @throws InvalidDataTypeException
@@ -746,7 +746,7 @@ 
      * @update session data  prior to saving to the db
      * @access public
      * @param bool $new_session
-     * @return TRUE on success, FALSE on fail
+     * @return boolean on success, FALSE on fail
      * @throws EE_Error
      * @throws InvalidArgumentException
      * @throws InvalidDataTypeException
@@ -847,7 +847,7 @@ 
      * _save_session_to_db
      *
      * @param bool $clear_session
-     * @return string
+     * @return boolean
      * @throws EE_Error
      * @throws InvalidArgumentException
      * @throws InvalidDataTypeException
@@ -1008,7 +1008,7 @@ 
      * @access public
      * @param array|mixed $data_to_reset
      * @param bool        $show_all_notices
-     * @return TRUE on success, FALSE on fail
+     * @return boolean on success, FALSE on fail
      */
     public function reset_data($data_to_reset = array(), $show_all_notices = false)
     {

Indentation +1204 added lines, -1204 removed lines

@@ -20,1210 +20,1210 @@ 
 class EE_Session implements SessionIdentifierInterface
 {
 
-    const session_id_prefix    = 'ee_ssn_';
-
-    const hash_check_prefix    = 'ee_shc_';
-
-    const OPTION_NAME_SETTINGS = 'ee_session_settings';
-
-    /**
-     * instance of the EE_Session object
-     *
-     * @var EE_Session
-     */
-    private static $_instance;
-
-    /**
-     * @var CacheStorageInterface $cache_storage
-     */
-    protected $cache_storage;
-
-    /**
-     * EE_Encryption object
-     *
-     * @var EE_Encryption
-     */
-    protected $encryption;
-
-    /**
-     * the session id
-     *
-     * @var string
-     */
-    private $_sid;
-
-    /**
-     * session id salt
-     *
-     * @var string
-     */
-    private $_sid_salt;
-
-    /**
-     * session data
-     *
-     * @var array
-     */
-    private $_session_data = array();
-
-    /**
-     * how long an EE session lasts
-     * default session lifespan of 2 hours (for not so instant IPNs)
-     *
-     * @var int
-     */
-    private $_lifespan;
-
-    /**
-     * session expiration time as Unix timestamp in GMT
-     *
-     * @var int
-     */
-    private $_expiration;
-
-    /**
-     * whether or not session has expired at some point
-     *
-     * @var boolean
-     */
-    private $_expired = false;
-
-    /**
-     * current time as Unix timestamp in GMT
-     *
-     * @var int
-     */
-    private $_time;
-
-    /**
-     * whether to encrypt session data
-     *
-     * @var bool
-     */
-    private $_use_encryption;
-
-    /**
-     * well... according to the server...
-     *
-     * @var null
-     */
-    private $_user_agent;
-
-    /**
-     * do you really trust the server ?
-     *
-     * @var null
-     */
-    private $_ip_address;
-
-    /**
-     * current WP user_id
-     *
-     * @var null
-     */
-    private $_wp_user_id;
-
-    /**
-     * array for defining default session vars
-     *
-     * @var array
-     */
-    private $_default_session_vars = array(
-        'id'            => null,
-        'user_id'       => null,
-        'ip_address'    => null,
-        'user_agent'    => null,
-        'init_access'   => null,
-        'last_access'   => null,
-        'expiration'    => null,
-        'pages_visited' => array(),
-    );
-
-    /**
-     * timestamp for when last garbage collection cycle was performed
-     *
-     * @var int $_last_gc
-     */
-    private $_last_gc;
-
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @param CacheStorageInterface $cache_storage
-     * @param EE_Encryption         $encryption
-     * @return EE_Session
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function instance(
-        CacheStorageInterface $cache_storage = null,
-        EE_Encryption $encryption = null
-    ) {
-        // check if class object is instantiated
-        // session loading is turned ON by default, but prior to the init hook, can be turned back OFF via:
-        // add_filter( 'FHEE_load_EE_Session', '__return_false' );
-        if (! self::$_instance instanceof EE_Session && apply_filters('FHEE_load_EE_Session', true)) {
-            self::$_instance = new self($cache_storage, $encryption);
-        }
-        return self::$_instance;
-    }
-
-
-
-    /**
-     * protected constructor to prevent direct creation
-     *
-     * @param CacheStorageInterface $cache_storage
-     * @param EE_Encryption         $encryption
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function __construct(CacheStorageInterface $cache_storage, EE_Encryption $encryption = null)
-    {
-
-        // session loading is turned ON by default, but prior to the init hook, can be turned back OFF via: add_filter( 'FHEE_load_EE_Session', '__return_false' );
-        if (! apply_filters('FHEE_load_EE_Session', true)) {
-            return;
-        }
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        if (! defined('ESPRESSO_SESSION')) {
-            define('ESPRESSO_SESSION', true);
-        }
-        // default session lifespan in seconds
-        $this->_lifespan = apply_filters(
-                               'FHEE__EE_Session__construct___lifespan',
-                               60 * MINUTE_IN_SECONDS
-                           ) + 1;
-        /*
+	const session_id_prefix    = 'ee_ssn_';
+
+	const hash_check_prefix    = 'ee_shc_';
+
+	const OPTION_NAME_SETTINGS = 'ee_session_settings';
+
+	/**
+	 * instance of the EE_Session object
+	 *
+	 * @var EE_Session
+	 */
+	private static $_instance;
+
+	/**
+	 * @var CacheStorageInterface $cache_storage
+	 */
+	protected $cache_storage;
+
+	/**
+	 * EE_Encryption object
+	 *
+	 * @var EE_Encryption
+	 */
+	protected $encryption;
+
+	/**
+	 * the session id
+	 *
+	 * @var string
+	 */
+	private $_sid;
+
+	/**
+	 * session id salt
+	 *
+	 * @var string
+	 */
+	private $_sid_salt;
+
+	/**
+	 * session data
+	 *
+	 * @var array
+	 */
+	private $_session_data = array();
+
+	/**
+	 * how long an EE session lasts
+	 * default session lifespan of 2 hours (for not so instant IPNs)
+	 *
+	 * @var int
+	 */
+	private $_lifespan;
+
+	/**
+	 * session expiration time as Unix timestamp in GMT
+	 *
+	 * @var int
+	 */
+	private $_expiration;
+
+	/**
+	 * whether or not session has expired at some point
+	 *
+	 * @var boolean
+	 */
+	private $_expired = false;
+
+	/**
+	 * current time as Unix timestamp in GMT
+	 *
+	 * @var int
+	 */
+	private $_time;
+
+	/**
+	 * whether to encrypt session data
+	 *
+	 * @var bool
+	 */
+	private $_use_encryption;
+
+	/**
+	 * well... according to the server...
+	 *
+	 * @var null
+	 */
+	private $_user_agent;
+
+	/**
+	 * do you really trust the server ?
+	 *
+	 * @var null
+	 */
+	private $_ip_address;
+
+	/**
+	 * current WP user_id
+	 *
+	 * @var null
+	 */
+	private $_wp_user_id;
+
+	/**
+	 * array for defining default session vars
+	 *
+	 * @var array
+	 */
+	private $_default_session_vars = array(
+		'id'            => null,
+		'user_id'       => null,
+		'ip_address'    => null,
+		'user_agent'    => null,
+		'init_access'   => null,
+		'last_access'   => null,
+		'expiration'    => null,
+		'pages_visited' => array(),
+	);
+
+	/**
+	 * timestamp for when last garbage collection cycle was performed
+	 *
+	 * @var int $_last_gc
+	 */
+	private $_last_gc;
+
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @param CacheStorageInterface $cache_storage
+	 * @param EE_Encryption         $encryption
+	 * @return EE_Session
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function instance(
+		CacheStorageInterface $cache_storage = null,
+		EE_Encryption $encryption = null
+	) {
+		// check if class object is instantiated
+		// session loading is turned ON by default, but prior to the init hook, can be turned back OFF via:
+		// add_filter( 'FHEE_load_EE_Session', '__return_false' );
+		if (! self::$_instance instanceof EE_Session && apply_filters('FHEE_load_EE_Session', true)) {
+			self::$_instance = new self($cache_storage, $encryption);
+		}
+		return self::$_instance;
+	}
+
+
+
+	/**
+	 * protected constructor to prevent direct creation
+	 *
+	 * @param CacheStorageInterface $cache_storage
+	 * @param EE_Encryption         $encryption
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function __construct(CacheStorageInterface $cache_storage, EE_Encryption $encryption = null)
+	{
+
+		// session loading is turned ON by default, but prior to the init hook, can be turned back OFF via: add_filter( 'FHEE_load_EE_Session', '__return_false' );
+		if (! apply_filters('FHEE_load_EE_Session', true)) {
+			return;
+		}
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		if (! defined('ESPRESSO_SESSION')) {
+			define('ESPRESSO_SESSION', true);
+		}
+		// default session lifespan in seconds
+		$this->_lifespan = apply_filters(
+							   'FHEE__EE_Session__construct___lifespan',
+							   60 * MINUTE_IN_SECONDS
+						   ) + 1;
+		/*
          * do something like the following to adjust the session lifespan:
          * 		public static function session_lifespan() {
          * 			return 15 * MINUTE_IN_SECONDS;
          * 		}
          */
-        // retrieve session options from db
-        $session_settings = (array) get_option(EE_Session::OPTION_NAME_SETTINGS, array());
-        if (! empty($session_settings)) {
-            // cycle though existing session options
-            foreach ($session_settings as $var_name => $session_setting) {
-                // set values for class properties
-                $var_name          = '_' . $var_name;
-                $this->{$var_name} = $session_setting;
-            }
-        }
-        $this->cache_storage = $cache_storage;
-        // are we using encryption?
-        $this->_use_encryption = $encryption instanceof EE_Encryption
-                                 && EE_Registry::instance()->CFG->admin->encode_session_data();
-        // \EEH_Debug_Tools::printr($this->_use_encryption, '$this->_use_encryption', __FILE__, __LINE__);
-        // encrypt data via: $this->encryption->encrypt();
-        $this->encryption = $encryption;
-        // filter hook allows outside functions/classes/plugins to change default empty cart
-        $extra_default_session_vars = apply_filters('FHEE__EE_Session__construct__extra_default_session_vars', array());
-        array_merge($this->_default_session_vars, $extra_default_session_vars);
-        // apply default session vars
-        $this->_set_defaults();
-        add_action('AHEE__EE_System__initialize', array($this, 'open_session'));
-        // check request for 'clear_session' param
-        add_action('AHEE__EE_Request_Handler__construct__complete', array($this, 'wp_loaded'));
-        // once everything is all said and done,
-        add_action('shutdown', array($this, 'update'), 100);
-        add_action('shutdown', array($this, 'garbageCollection'), 1000);
-        $this->configure_garbage_collection_filters();
-    }
-
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidSessionDataException
-     */
-    public function open_session()
-    {
-        // check for existing session and retrieve it from db
-        if (! $this->_espresso_session()) {
-            // or just start a new one
-            $this->_create_espresso_session();
-        }
-    }
-
-
-
-    /**
-     * @return bool
-     */
-    public function expired()
-    {
-        return $this->_expired;
-    }
-
-
-
-    /**
-     * @return void
-     */
-    public function reset_expired()
-    {
-        $this->_expired = false;
-    }
-
-
-    /**
-     * @return int
-     */
-    public function expiration()
-    {
-        return $this->_expiration;
-    }
-
-
-
-    /**
-     * @return int
-     */
-    public function extension()
-    {
-        return apply_filters('FHEE__EE_Session__extend_expiration__seconds_added', 10 * MINUTE_IN_SECONDS);
-    }
-
-
-
-    /**
-     * @param int $time number of seconds to add to session expiration
-     */
-    public function extend_expiration($time = 0)
-    {
-        $time              = $time ? $time : $this->extension();
-        $this->_expiration += absint($time);
-    }
-
-
-
-    /**
-     * @return int
-     */
-    public function lifespan()
-    {
-        return $this->_lifespan;
-    }
-
-
-
-    /**
-     * This just sets some defaults for the _session data property
-     *
-     * @access private
-     * @return void
-     */
-    private function _set_defaults()
-    {
-        // set some defaults
-        foreach ($this->_default_session_vars as $key => $default_var) {
-            if (is_array($default_var)) {
-                $this->_session_data[ $key ] = array();
-            } else {
-                $this->_session_data[ $key ] = '';
-            }
-        }
-    }
+		// retrieve session options from db
+		$session_settings = (array) get_option(EE_Session::OPTION_NAME_SETTINGS, array());
+		if (! empty($session_settings)) {
+			// cycle though existing session options
+			foreach ($session_settings as $var_name => $session_setting) {
+				// set values for class properties
+				$var_name          = '_' . $var_name;
+				$this->{$var_name} = $session_setting;
+			}
+		}
+		$this->cache_storage = $cache_storage;
+		// are we using encryption?
+		$this->_use_encryption = $encryption instanceof EE_Encryption
+								 && EE_Registry::instance()->CFG->admin->encode_session_data();
+		// \EEH_Debug_Tools::printr($this->_use_encryption, '$this->_use_encryption', __FILE__, __LINE__);
+		// encrypt data via: $this->encryption->encrypt();
+		$this->encryption = $encryption;
+		// filter hook allows outside functions/classes/plugins to change default empty cart
+		$extra_default_session_vars = apply_filters('FHEE__EE_Session__construct__extra_default_session_vars', array());
+		array_merge($this->_default_session_vars, $extra_default_session_vars);
+		// apply default session vars
+		$this->_set_defaults();
+		add_action('AHEE__EE_System__initialize', array($this, 'open_session'));
+		// check request for 'clear_session' param
+		add_action('AHEE__EE_Request_Handler__construct__complete', array($this, 'wp_loaded'));
+		// once everything is all said and done,
+		add_action('shutdown', array($this, 'update'), 100);
+		add_action('shutdown', array($this, 'garbageCollection'), 1000);
+		$this->configure_garbage_collection_filters();
+	}
+
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidSessionDataException
+	 */
+	public function open_session()
+	{
+		// check for existing session and retrieve it from db
+		if (! $this->_espresso_session()) {
+			// or just start a new one
+			$this->_create_espresso_session();
+		}
+	}
+
+
+
+	/**
+	 * @return bool
+	 */
+	public function expired()
+	{
+		return $this->_expired;
+	}
+
+
+
+	/**
+	 * @return void
+	 */
+	public function reset_expired()
+	{
+		$this->_expired = false;
+	}
+
+
+	/**
+	 * @return int
+	 */
+	public function expiration()
+	{
+		return $this->_expiration;
+	}
+
+
+
+	/**
+	 * @return int
+	 */
+	public function extension()
+	{
+		return apply_filters('FHEE__EE_Session__extend_expiration__seconds_added', 10 * MINUTE_IN_SECONDS);
+	}
+
+
+
+	/**
+	 * @param int $time number of seconds to add to session expiration
+	 */
+	public function extend_expiration($time = 0)
+	{
+		$time              = $time ? $time : $this->extension();
+		$this->_expiration += absint($time);
+	}
+
+
+
+	/**
+	 * @return int
+	 */
+	public function lifespan()
+	{
+		return $this->_lifespan;
+	}
+
+
+
+	/**
+	 * This just sets some defaults for the _session data property
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _set_defaults()
+	{
+		// set some defaults
+		foreach ($this->_default_session_vars as $key => $default_var) {
+			if (is_array($default_var)) {
+				$this->_session_data[ $key ] = array();
+			} else {
+				$this->_session_data[ $key ] = '';
+			}
+		}
+	}
 
 
-
-    /**
-     * @retrieve  session data
-     * @access    public
-     * @return    string
-     */
-    public function id()
-    {
-        return $this->_sid;
-    }
+
+	/**
+	 * @retrieve  session data
+	 * @access    public
+	 * @return    string
+	 */
+	public function id()
+	{
+		return $this->_sid;
+	}
 
 
 
-    /**
-     * @param \EE_Cart $cart
-     * @return bool
-     */
-    public function set_cart(EE_Cart $cart)
-    {
-        $this->_session_data['cart'] = $cart;
-        return true;
-    }
+	/**
+	 * @param \EE_Cart $cart
+	 * @return bool
+	 */
+	public function set_cart(EE_Cart $cart)
+	{
+		$this->_session_data['cart'] = $cart;
+		return true;
+	}
 
 
 
-    /**
-     * reset_cart
-     */
-    public function reset_cart()
-    {
-        do_action('AHEE__EE_Session__reset_cart__before_reset', $this);
-        $this->_session_data['cart'] = null;
-    }
-
-
-
-    /**
-     * @return \EE_Cart
-     */
-    public function cart()
-    {
-        return isset($this->_session_data['cart']) && $this->_session_data['cart'] instanceof EE_Cart
-            ? $this->_session_data['cart']
-            : null;
-    }
-
-
-
-    /**
-     * @param \EE_Checkout $checkout
-     * @return bool
-     */
-    public function set_checkout(EE_Checkout $checkout)
-    {
-        $this->_session_data['checkout'] = $checkout;
-        return true;
-    }
-
-
-
-    /**
-     * reset_checkout
-     */
-    public function reset_checkout()
-    {
-        do_action('AHEE__EE_Session__reset_checkout__before_reset', $this);
-        $this->_session_data['checkout'] = null;
-    }
-
-
-
-    /**
-     * @return \EE_Checkout
-     */
-    public function checkout()
-    {
-        return isset($this->_session_data['checkout']) && $this->_session_data['checkout'] instanceof EE_Checkout
-            ? $this->_session_data['checkout']
-            : null;
-    }
-
-
-
-    /**
-     * @param \EE_Transaction $transaction
-     * @return bool
-     * @throws EE_Error
-     */
-    public function set_transaction(EE_Transaction $transaction)
-    {
-        // first remove the session from the transaction before we save the transaction in the session
-        $transaction->set_txn_session_data(null);
-        $this->_session_data['transaction'] = $transaction;
-        return true;
-    }
-
-
-
-    /**
-     * reset_transaction
-     */
-    public function reset_transaction()
-    {
-        do_action('AHEE__EE_Session__reset_transaction__before_reset', $this);
-        $this->_session_data['transaction'] = null;
-    }
-
-
-
-    /**
-     * @return \EE_Transaction
-     */
-    public function transaction()
-    {
-        return isset($this->_session_data['transaction'])
-               && $this->_session_data['transaction'] instanceof EE_Transaction
-            ? $this->_session_data['transaction']
-            : null;
-    }
-
-
-
-    /**
-     * retrieve session data
-     *
-     * @access    public
-     * @param null $key
-     * @param bool $reset_cache
-     * @return    array
-     */
-    public function get_session_data($key = null, $reset_cache = false)
-    {
-        if ($reset_cache) {
-            $this->reset_cart();
-            $this->reset_checkout();
-            $this->reset_transaction();
-        }
-        if (! empty($key)) {
-            return isset($this->_session_data[ $key ]) ? $this->_session_data[ $key ] : null;
-        }
-        return $this->_session_data;
-    }
-
-
-
-    /**
-     * set session data
-     *
-     * @access    public
-     * @param    array $data
-     * @return    TRUE on success, FALSE on fail
-     */
-    public function set_session_data($data)
-    {
-
-        // nothing ??? bad data ??? go home!
-        if (empty($data) || ! is_array($data)) {
-            EE_Error::add_error(__('No session data or invalid session data was provided.', 'event_espresso'), __FILE__,
-                __FUNCTION__, __LINE__);
-            return false;
-        }
-        foreach ($data as $key => $value) {
-            if (isset($this->_default_session_vars[ $key ])) {
-                EE_Error::add_error(sprintf(__('Sorry! %s is a default session datum and can not be reset.',
-                    'event_espresso'), $key), __FILE__, __FUNCTION__, __LINE__);
-                return false;
-            }
-            $this->_session_data[ $key ] = $value;
-        }
-        return true;
-    }
-
-
-
-    /**
-     * @initiate session
-     * @access   private
-     * @return TRUE on success, FALSE on fail
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidSessionDataException
-     */
-    private function _espresso_session()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        // check that session has started
-        if (session_id() === '') {
-            //starts a new session if one doesn't already exist, or re-initiates an existing one
-            session_start();
-        }
-        // get our modified session ID
-        $this->_sid = $this->_generate_session_id();
-        // and the visitors IP
-        $this->_ip_address = $this->_visitor_ip();
-        // set the "user agent"
-        $this->_user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? esc_attr($_SERVER['HTTP_USER_AGENT']) : false;
-        // now let's retrieve what's in the db
-        $session_data = $this->_retrieve_session_data();
-        if (! empty($session_data)) {
-            // get the current time in UTC
-            $this->_time = $this->_time !== null ? $this->_time : time();
-            // and reset the session expiration
-            $this->_expiration = isset($session_data['expiration'])
-                ? $session_data['expiration']
-                : $this->_time + $this->_lifespan;
-        } else {
-            // set initial site access time and the session expiration
-            $this->_set_init_access_and_expiration();
-            // set referer
-            $this->_session_data['pages_visited'][ $this->_session_data['init_access'] ] = isset($_SERVER['HTTP_REFERER'])
-                ? esc_attr($_SERVER['HTTP_REFERER'])
-                : '';
-            // no previous session = go back and create one (on top of the data above)
-            return false;
-        }
-        // now the user agent
-        if ($session_data['user_agent'] !== $this->_user_agent) {
-            return false;
-        }
-        // wait a minute... how old are you?
-        if ($this->_time > $this->_expiration) {
-            // yer too old fer me!
-            $this->_expired = true;
-            // wipe out everything that isn't a default session datum
-            $this->clear_session(__CLASS__, __FUNCTION__);
-        }
-        // make event espresso session data available to plugin
-        $this->_session_data = array_merge($this->_session_data, $session_data);
-        return true;
-    }
-
-
-
-    /**
-     * _get_session_data
-     * Retrieves the session data, and attempts to correct any encoding issues that can occur due to improperly setup
-     * databases
-     *
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidSessionDataException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _retrieve_session_data()
-    {
-        $ssn_key = EE_Session::session_id_prefix . $this->_sid;
-        try {
-            // we're using WP's Transient API to store session data using the PHP session ID as the option name
-            $session_data = $this->cache_storage->get($ssn_key, false);
-            if (empty($session_data)) {
-                return array();
-            }
-            if (apply_filters('FHEE__EE_Session___perform_session_id_hash_check', WP_DEBUG)) {
-                $hash_check = $this->cache_storage->get(
-                    EE_Session::hash_check_prefix . $this->_sid,
-                    false
-                );
-                if ($hash_check && $hash_check !== md5($session_data)) {
-                    EE_Error::add_error(
-                        sprintf(
-                            __(
-                                'The stored data for session %1$s failed to pass a hash check and therefore appears to be invalid.',
-                                'event_espresso'
-                            ),
-                            EE_Session::session_id_prefix . $this->_sid
-                        ),
-                        __FILE__, __FUNCTION__, __LINE__
-                    );
-                }
-            }
-        } catch (Exception $e) {
-            // let's just eat that error for now and attempt to correct any corrupted data
-            global $wpdb;
-            $row          = $wpdb->get_row(
-                $wpdb->prepare(
-                    "SELECT option_value FROM {$wpdb->options} WHERE option_name = %s LIMIT 1",
-                    '_transient_' . $ssn_key
-                )
-            );
-            $session_data = is_object($row) ? $row->option_value : null;
-            if ($session_data) {
-                $session_data = preg_replace_callback(
-                    '!s:(d+):"(.*?)";!',
-                    function ($match)
-                    {
-                        return $match[1] === strlen($match[2])
-                            ? $match[0]
-                            : 's:' . strlen($match[2]) . ':"' . $match[2] . '";';
-                    },
-                    $session_data
-                );
-            }
-            $session_data = maybe_unserialize($session_data);
-        }
-        // in case the data is encoded... try to decode it
-        $session_data = $this->encryption instanceof EE_Encryption
-            ? $this->encryption->base64_string_decode($session_data)
-            : $session_data;
-        if (! is_array($session_data)) {
-            try {
-                $session_data = maybe_unserialize($session_data);
-            } catch (Exception $e) {
-                $msg = esc_html__(
-                    'An error occurred while attempting to unserialize the session data.',
-                    'event_espresso'
-                );
-                $msg .= WP_DEBUG
-                    ? '<br><pre>'
-                      . print_r($session_data, true)
-                      . '</pre><br>'
-                      . $this->find_serialize_error($session_data)
-                    : '';
-                $this->cache_storage->delete(EE_Session::session_id_prefix . $this->_sid);
-                throw new InvalidSessionDataException($msg, 0, $e);
-            }
-        }
-        // just a check to make sure the session array is indeed an array
-        if (! is_array($session_data)) {
-            // no?!?! then something is wrong
-            $msg = esc_html__(
-                'The session data is missing, invalid, or corrupted.',
-                'event_espresso'
-            );
-            $msg .= WP_DEBUG
-                ? '<br><pre>' . print_r($session_data, true) . '</pre><br>' . $this->find_serialize_error($session_data)
-                : '';
-            $this->cache_storage->delete(EE_Session::session_id_prefix . $this->_sid);
-            throw new InvalidSessionDataException($msg);
-        }
-        if (isset($session_data['transaction']) && absint($session_data['transaction']) !== 0) {
-            $session_data['transaction'] = EEM_Transaction::instance()->get_one_by_ID(
-                $session_data['transaction']
-            );
-        }
-        return $session_data;
-    }
-
-
-
-    /**
-     * _generate_session_id
-     * Retrieves the PHP session id either directly from the PHP session,
-     * or from the $_REQUEST array if it was passed in from an AJAX request.
-     * The session id is then salted and hashed (mmm sounds tasty)
-     * so that it can be safely used as a $_REQUEST param
-     *
-     * @return string
-     */
-    protected function _generate_session_id()
-    {
-        // check if the SID was passed explicitly, otherwise get from session, then add salt and hash it to reduce length
-        if (isset($_REQUEST['EESID'])) {
-            $session_id = sanitize_text_field($_REQUEST['EESID']);
-        } else {
-            $session_id = md5(session_id() . get_current_blog_id() . $this->_get_sid_salt());
-        }
-        return apply_filters('FHEE__EE_Session___generate_session_id__session_id', $session_id);
-    }
-
-
-
-    /**
-     * _get_sid_salt
-     *
-     * @return string
-     */
-    protected function _get_sid_salt()
-    {
-        // was session id salt already saved to db ?
-        if (empty($this->_sid_salt)) {
-            // no?  then maybe use WP defined constant
-            if (defined('AUTH_SALT')) {
-                $this->_sid_salt = AUTH_SALT;
-            }
-            // if salt doesn't exist or is too short
-            if (strlen($this->_sid_salt) < 32) {
-                // create a new one
-                $this->_sid_salt = wp_generate_password(64);
-            }
-            // and save it as a permanent session setting
-            $this->updateSessionSettings(array('sid_salt' => $this->_sid_salt));
-        }
-        return $this->_sid_salt;
-    }
-
-
-
-    /**
-     * _set_init_access_and_expiration
-     *
-     * @return void
-     */
-    protected function _set_init_access_and_expiration()
-    {
-        $this->_time       = time();
-        $this->_expiration = $this->_time + $this->_lifespan;
-        // set initial site access time
-        $this->_session_data['init_access'] = $this->_time;
-        // and the session expiration
-        $this->_session_data['expiration'] = $this->_expiration;
-    }
-
-
-
-    /**
-     * @update session data  prior to saving to the db
-     * @access public
-     * @param bool $new_session
-     * @return TRUE on success, FALSE on fail
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function update($new_session = false)
-    {
-        $this->_session_data = $this->_session_data !== null
-                               && is_array($this->_session_data)
-                               && isset($this->_session_data['id'])
-            ? $this->_session_data
-            : array();
-        if (empty($this->_session_data)) {
-            $this->_set_defaults();
-        }
-        $session_data = array();
-        foreach ($this->_session_data as $key => $value) {
-
-            switch ($key) {
-
-                case 'id' :
-                    // session ID
-                    $session_data['id'] = $this->_sid;
-                    break;
-                case 'ip_address' :
-                    // visitor ip address
-                    $session_data['ip_address'] = $this->_visitor_ip();
-                    break;
-                case 'user_agent' :
-                    // visitor user_agent
-                    $session_data['user_agent'] = $this->_user_agent;
-                    break;
-                case 'init_access' :
-                    $session_data['init_access'] = absint($value);
-                    break;
-                case 'last_access' :
-                    // current access time
-                    $session_data['last_access'] = $this->_time;
-                    break;
-                case 'expiration' :
-                    // when the session expires
-                    $session_data['expiration'] = ! empty($this->_expiration)
-                        ? $this->_expiration
-                        : $session_data['init_access'] + $this->_lifespan;
-                    break;
-                case 'user_id' :
-                    // current user if logged in
-                    $session_data['user_id'] = $this->_wp_user_id();
-                    break;
-                case 'pages_visited' :
-                    $page_visit = $this->_get_page_visit();
-                    if ($page_visit) {
-                        // set pages visited where the first will be the http referrer
-                        $this->_session_data['pages_visited'][ $this->_time ] = $page_visit;
-                        // we'll only save the last 10 page visits.
-                        $session_data['pages_visited'] = array_slice($this->_session_data['pages_visited'], -10);
-                    }
-                    break;
-                default :
-                    // carry any other data over
-                    $session_data[ $key ] = $this->_session_data[ $key ];
-            }
-        }
-        $this->_session_data = $session_data;
-        // creating a new session does not require saving to the db just yet
-        if (! $new_session) {
-            // ready? let's save
-            if ($this->_save_session_to_db()) {
-                return true;
-            }
-            return false;
-        }
-        // meh, why not?
-        return true;
-    }
-
-
-
-    /**
-     * @create session data array
-     * @access public
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _create_espresso_session()
-    {
-        do_action('AHEE_log', __CLASS__, __FUNCTION__, '');
-        // use the update function for now with $new_session arg set to TRUE
-        return $this->update(true) ? true : false;
-    }
-
-
-
-    /**
-     * _save_session_to_db
-     *
-     * @param bool $clear_session
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _save_session_to_db($clear_session = false)
-    {
-        // unless we're deleting the session data, don't save anything if there isn't a cart
-        if (! $clear_session && ! $this->cart() instanceof EE_Cart) {
-            return false;
-        }
-        $transaction = $this->transaction();
-        if ($transaction instanceof EE_Transaction) {
-            if (! $transaction->ID()) {
-                $transaction->save();
-            }
-            $this->_session_data['transaction'] = $transaction->ID();
-        }
-        // then serialize all of our session data
-        $session_data = serialize($this->_session_data);
-        // do we need to also encode it to avoid corrupted data when saved to the db?
-        $session_data = $this->_use_encryption
-            ? $this->encryption->base64_string_encode($session_data)
-            : $session_data;
-        // maybe save hash check
-        if (apply_filters('FHEE__EE_Session___perform_session_id_hash_check', WP_DEBUG)) {
-            $this->cache_storage->add(
-                EE_Session::hash_check_prefix . $this->_sid,
-                md5($session_data),
-                $this->_lifespan
-            );
-        }
-        // we're using the Transient API for storing session data,
-        return $this->cache_storage->add(
-            EE_Session::session_id_prefix . $this->_sid,
-            $session_data,
-            $this->_lifespan
-        );
-    }
-
-
-
-    /**
-     * _visitor_ip
-     *    attempt to get IP address of current visitor from server
-     * plz see: http://stackoverflow.com/a/2031935/1475279
-     *
-     * @access public
-     * @return string
-     */
-    private function _visitor_ip()
-    {
-        $visitor_ip  = '0.0.0.0';
-        $server_keys = array(
-            'HTTP_CLIENT_IP',
-            'HTTP_X_FORWARDED_FOR',
-            'HTTP_X_FORWARDED',
-            'HTTP_X_CLUSTER_CLIENT_IP',
-            'HTTP_FORWARDED_FOR',
-            'HTTP_FORWARDED',
-            'REMOTE_ADDR',
-        );
-        foreach ($server_keys as $key) {
-            if (isset($_SERVER[ $key ])) {
-                foreach (array_map('trim', explode(',', $_SERVER[ $key ])) as $ip) {
-                    if ($ip === '127.0.0.1' || filter_var($ip, FILTER_VALIDATE_IP) !== false) {
-                        $visitor_ip = $ip;
-                    }
-                }
-            }
-        }
-        return $visitor_ip;
-    }
-
-
-
-    /**
-     * @get    the full page request the visitor is accessing
-     * @access public
-     * @return string
-     */
-    public function _get_page_visit()
-    {
-        $page_visit = home_url('/') . 'wp-admin/admin-ajax.php';
-        // check for request url
-        if (isset($_SERVER['REQUEST_URI'])) {
-            $http_host   = '';
-            $page_id     = '?';
-            $e_reg       = '';
-            $request_uri = esc_url($_SERVER['REQUEST_URI']);
-            $ru_bits     = explode('?', $request_uri);
-            $request_uri = $ru_bits[0];
-            // check for and grab host as well
-            if (isset($_SERVER['HTTP_HOST'])) {
-                $http_host = esc_url($_SERVER['HTTP_HOST']);
-            }
-            // check for page_id in SERVER REQUEST
-            if (isset($_REQUEST['page_id'])) {
-                // rebuild $e_reg without any of the extra parameters
-                $page_id = '?page_id=' . esc_attr($_REQUEST['page_id']) . '&amp;';
-            }
-            // check for $e_reg in SERVER REQUEST
-            if (isset($_REQUEST['ee'])) {
-                // rebuild $e_reg without any of the extra parameters
-                $e_reg = 'ee=' . esc_attr($_REQUEST['ee']);
-            }
-            $page_visit = rtrim($http_host . $request_uri . $page_id . $e_reg, '?');
-        }
-        return $page_visit !== home_url('/wp-admin/admin-ajax.php') ? $page_visit : '';
-    }
-
-
-
-    /**
-     * @the    current wp user id
-     * @access public
-     * @return int
-     */
-    public function _wp_user_id()
-    {
-        // if I need to explain the following lines of code, then you shouldn't be looking at this!
-        $this->_wp_user_id = get_current_user_id();
-        return $this->_wp_user_id;
-    }
-
-
-
-    /**
-     * Clear EE_Session data
-     *
-     * @access public
-     * @param string $class
-     * @param string $function
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function clear_session($class = '', $function = '')
-    {
-        //echo '<h3 style="color:#999;line-height:.9em;"><span style="color:#2EA2CC">' . __CLASS__ . '</span>::<span style="color:#E76700">' . __FUNCTION__ . '( ' . $class . '::' . $function . '() )</span><br/><span style="font-size:9px;font-weight:normal;">' . __FILE__ . '</span>    <b style="font-size:10px;">  ' . __LINE__ . ' </b></h3>';
-        do_action('AHEE_log', __FILE__, __FUNCTION__, 'session cleared by : ' . $class . '::' . $function . '()');
-        $this->reset_cart();
-        $this->reset_checkout();
-        $this->reset_transaction();
-        // wipe out everything that isn't a default session datum
-        $this->reset_data(array_keys($this->_session_data));
-        // reset initial site access time and the session expiration
-        $this->_set_init_access_and_expiration();
-        $this->_save_session_to_db(true);
-    }
-
-
-
-    /**
-     * @resets all non-default session vars
-     * @access public
-     * @param array|mixed $data_to_reset
-     * @param bool        $show_all_notices
-     * @return TRUE on success, FALSE on fail
-     */
-    public function reset_data($data_to_reset = array(), $show_all_notices = false)
-    {
-        // if $data_to_reset is not in an array, then put it in one
-        if (! is_array($data_to_reset)) {
-            $data_to_reset = array($data_to_reset);
-        }
-        // nothing ??? go home!
-        if (empty($data_to_reset)) {
-            EE_Error::add_error(__('No session data could be reset, because no session var name was provided.',
-                'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        $return_value = true;
-        // since $data_to_reset is an array, cycle through the values
-        foreach ($data_to_reset as $reset) {
-
-            // first check to make sure it is a valid session var
-            if (isset($this->_session_data[ $reset ])) {
-                // then check to make sure it is not a default var
-                if (! array_key_exists($reset, $this->_default_session_vars)) {
-                    // remove session var
-                    unset($this->_session_data[ $reset ]);
-                    if ($show_all_notices) {
-                        EE_Error::add_success(sprintf(__('The session variable %s was removed.', 'event_espresso'),
-                            $reset), __FILE__, __FUNCTION__, __LINE__);
-                    }
-                } else {
-                    // yeeeeeeeeerrrrrrrrrrr OUT !!!!
-                    if ($show_all_notices) {
-                        EE_Error::add_error(sprintf(__('Sorry! %s is a default session datum and can not be reset.',
-                            'event_espresso'), $reset), __FILE__, __FUNCTION__, __LINE__);
-                    }
-                    $return_value = false;
-                }
-            } elseif ($show_all_notices) {
-                // oops! that session var does not exist!
-                EE_Error::add_error(sprintf(__('The session item provided, %s, is invalid or does not exist.',
-                    'event_espresso'), $reset), __FILE__, __FUNCTION__, __LINE__);
-                $return_value = false;
-            }
-        } // end of foreach
-        return $return_value;
-    }
-
-
-
-    /**
-     *   wp_loaded
-     *
-     * @access public
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    public function wp_loaded()
-    {
-        if (
-            EE_Registry::instance()->REQ instanceof EE_Request_Handler
-            && EE_Registry::instance()->REQ->is_set('clear_session')
-        ) {
-            $this->clear_session(__CLASS__, __FUNCTION__);
-        }
-    }
-
-
-
-    /**
-     * Used to reset the entire object (for tests).
-     *
-     * @since 4.3.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    public function reset_instance()
-    {
-        $this->clear_session();
-        self::$_instance = null;
-    }
-
-
-
-    public function configure_garbage_collection_filters()
-    {
-        // run old filter we had for controlling session cleanup
-        $expired_session_transient_delete_query_limit = absint(
-            apply_filters(
-                'FHEE__EE_Session__garbage_collection___expired_session_transient_delete_query_limit',
-                50
-            )
-        );
-        // is there a value? or one that is different than the default 50 records?
-        if ($expired_session_transient_delete_query_limit === 0) {
-            // hook into TransientCacheStorage in case Session cleanup was turned off
-            add_filter('FHEE__TransientCacheStorage__transient_cleanup_schedule', '__return_zero');
-        } elseif ($expired_session_transient_delete_query_limit !== 50) {
-            // or use that for the new transient cleanup query limit
-            add_filter(
-                'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
-                function () use ($expired_session_transient_delete_query_limit)
-                {
-                    return $expired_session_transient_delete_query_limit;
-                }
-            );
-        }
-    }
-
-
-
-    /**
-     * @see http://stackoverflow.com/questions/10152904/unserialize-function-unserialize-error-at-offset/21389439#10152996
-     * @param $data1
-     * @return string
-     */
-    private function find_serialize_error($data1)
-    {
-        $error = '<pre>';
-        $data2 = preg_replace_callback(
-            '!s:(\d+):"(.*?)";!',
-            function ($match)
-            {
-                return ($match[1] === strlen($match[2]))
-                    ? $match[0]
-                    : 's:'
-                      . strlen($match[2])
-                      . ':"'
-                      . $match[2]
-                      . '";';
-            },
-            $data1
-        );
-        $max   = (strlen($data1) > strlen($data2)) ? strlen($data1) : strlen($data2);
-        $error .= $data1 . PHP_EOL;
-        $error .= $data2 . PHP_EOL;
-        for ($i = 0; $i < $max; $i++) {
-            if (@$data1[ $i ] !== @$data2[ $i ]) {
-                $error  .= 'Difference ' . @$data1[ $i ] . ' != ' . @$data2[ $i ] . PHP_EOL;
-                $error  .= "\t-> ORD number " . ord(@$data1[ $i ]) . ' != ' . ord(@$data2[ $i ]) . PHP_EOL;
-                $error  .= "\t-> Line Number = $i" . PHP_EOL;
-                $start  = ($i - 20);
-                $start  = ($start < 0) ? 0 : $start;
-                $length = 40;
-                $point  = $max - $i;
-                if ($point < 20) {
-                    $rlength = 1;
-                    $rpoint  = -$point;
-                } else {
-                    $rpoint  = $length - 20;
-                    $rlength = 1;
-                }
-                $error .= "\t-> Section Data1  = ";
-                $error .= substr_replace(
-                    substr($data1, $start, $length),
-                    "<b style=\"color:green\">{$data1[ $i ]}</b>",
-                    $rpoint,
-                    $rlength
-                );
-                $error .= PHP_EOL;
-                $error .= "\t-> Section Data2  = ";
-                $error .= substr_replace(
-                    substr($data2, $start, $length),
-                    "<b style=\"color:red\">{$data2[ $i ]}</b>",
-                    $rpoint,
-                    $rlength
-                );
-                $error .= PHP_EOL;
-            }
-        }
-        $error .= '</pre>';
-        return $error;
-    }
-
-
-    /**
-     * Saves an  array of settings used for configuring aspects of session behaviour
-     *
-     * @param array $updated_settings
-     */
-    private function updateSessionSettings(array $updated_settings = array())
-    {
-        // add existing settings, but only if not included in incoming $updated_settings array
-        $updated_settings += get_option(EE_Session::OPTION_NAME_SETTINGS, array());
-        update_option(EE_Session::OPTION_NAME_SETTINGS, $updated_settings);
-    }
-
-
-    /**
-     * garbage_collection
-     */
-    public function garbageCollection()
-    {
-        // only perform during regular requests if last garbage collection was over an hour ago
-        if (! (defined('DOING_AJAX') && DOING_AJAX) && (time() - HOUR_IN_SECONDS) >= $this->_last_gc) {
-            $this->_last_gc = time();
-            $this->updateSessionSettings(array('last_gc' => $this->_last_gc));
-            /** @type WPDB $wpdb */
-            global $wpdb;
-            // filter the query limit. Set to 0 to turn off garbage collection
-            $expired_session_transient_delete_query_limit = absint(
-                apply_filters(
-                    'FHEE__EE_Session__garbage_collection___expired_session_transient_delete_query_limit',
-                    50
-                )
-            );
-            // non-zero LIMIT means take out the trash
-            if ($expired_session_transient_delete_query_limit) {
-                $session_key    = str_replace('_', '\_', EE_Session::session_id_prefix);
-                $hash_check_key = str_replace('_', '\_', EE_Session::hash_check_prefix);
-                // since transient expiration timestamps are set in the future, we can compare against NOW
-                // but we only want to pick up any trash that's been around for more than a day
-                $expiration = time() - DAY_IN_SECONDS;
-                $SQL        = "
+	/**
+	 * reset_cart
+	 */
+	public function reset_cart()
+	{
+		do_action('AHEE__EE_Session__reset_cart__before_reset', $this);
+		$this->_session_data['cart'] = null;
+	}
+
+
+
+	/**
+	 * @return \EE_Cart
+	 */
+	public function cart()
+	{
+		return isset($this->_session_data['cart']) && $this->_session_data['cart'] instanceof EE_Cart
+			? $this->_session_data['cart']
+			: null;
+	}
+
+
+
+	/**
+	 * @param \EE_Checkout $checkout
+	 * @return bool
+	 */
+	public function set_checkout(EE_Checkout $checkout)
+	{
+		$this->_session_data['checkout'] = $checkout;
+		return true;
+	}
+
+
+
+	/**
+	 * reset_checkout
+	 */
+	public function reset_checkout()
+	{
+		do_action('AHEE__EE_Session__reset_checkout__before_reset', $this);
+		$this->_session_data['checkout'] = null;
+	}
+
+
+
+	/**
+	 * @return \EE_Checkout
+	 */
+	public function checkout()
+	{
+		return isset($this->_session_data['checkout']) && $this->_session_data['checkout'] instanceof EE_Checkout
+			? $this->_session_data['checkout']
+			: null;
+	}
+
+
+
+	/**
+	 * @param \EE_Transaction $transaction
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function set_transaction(EE_Transaction $transaction)
+	{
+		// first remove the session from the transaction before we save the transaction in the session
+		$transaction->set_txn_session_data(null);
+		$this->_session_data['transaction'] = $transaction;
+		return true;
+	}
+
+
+
+	/**
+	 * reset_transaction
+	 */
+	public function reset_transaction()
+	{
+		do_action('AHEE__EE_Session__reset_transaction__before_reset', $this);
+		$this->_session_data['transaction'] = null;
+	}
+
+
+
+	/**
+	 * @return \EE_Transaction
+	 */
+	public function transaction()
+	{
+		return isset($this->_session_data['transaction'])
+			   && $this->_session_data['transaction'] instanceof EE_Transaction
+			? $this->_session_data['transaction']
+			: null;
+	}
+
+
+
+	/**
+	 * retrieve session data
+	 *
+	 * @access    public
+	 * @param null $key
+	 * @param bool $reset_cache
+	 * @return    array
+	 */
+	public function get_session_data($key = null, $reset_cache = false)
+	{
+		if ($reset_cache) {
+			$this->reset_cart();
+			$this->reset_checkout();
+			$this->reset_transaction();
+		}
+		if (! empty($key)) {
+			return isset($this->_session_data[ $key ]) ? $this->_session_data[ $key ] : null;
+		}
+		return $this->_session_data;
+	}
+
+
+
+	/**
+	 * set session data
+	 *
+	 * @access    public
+	 * @param    array $data
+	 * @return    TRUE on success, FALSE on fail
+	 */
+	public function set_session_data($data)
+	{
+
+		// nothing ??? bad data ??? go home!
+		if (empty($data) || ! is_array($data)) {
+			EE_Error::add_error(__('No session data or invalid session data was provided.', 'event_espresso'), __FILE__,
+				__FUNCTION__, __LINE__);
+			return false;
+		}
+		foreach ($data as $key => $value) {
+			if (isset($this->_default_session_vars[ $key ])) {
+				EE_Error::add_error(sprintf(__('Sorry! %s is a default session datum and can not be reset.',
+					'event_espresso'), $key), __FILE__, __FUNCTION__, __LINE__);
+				return false;
+			}
+			$this->_session_data[ $key ] = $value;
+		}
+		return true;
+	}
+
+
+
+	/**
+	 * @initiate session
+	 * @access   private
+	 * @return TRUE on success, FALSE on fail
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidSessionDataException
+	 */
+	private function _espresso_session()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		// check that session has started
+		if (session_id() === '') {
+			//starts a new session if one doesn't already exist, or re-initiates an existing one
+			session_start();
+		}
+		// get our modified session ID
+		$this->_sid = $this->_generate_session_id();
+		// and the visitors IP
+		$this->_ip_address = $this->_visitor_ip();
+		// set the "user agent"
+		$this->_user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? esc_attr($_SERVER['HTTP_USER_AGENT']) : false;
+		// now let's retrieve what's in the db
+		$session_data = $this->_retrieve_session_data();
+		if (! empty($session_data)) {
+			// get the current time in UTC
+			$this->_time = $this->_time !== null ? $this->_time : time();
+			// and reset the session expiration
+			$this->_expiration = isset($session_data['expiration'])
+				? $session_data['expiration']
+				: $this->_time + $this->_lifespan;
+		} else {
+			// set initial site access time and the session expiration
+			$this->_set_init_access_and_expiration();
+			// set referer
+			$this->_session_data['pages_visited'][ $this->_session_data['init_access'] ] = isset($_SERVER['HTTP_REFERER'])
+				? esc_attr($_SERVER['HTTP_REFERER'])
+				: '';
+			// no previous session = go back and create one (on top of the data above)
+			return false;
+		}
+		// now the user agent
+		if ($session_data['user_agent'] !== $this->_user_agent) {
+			return false;
+		}
+		// wait a minute... how old are you?
+		if ($this->_time > $this->_expiration) {
+			// yer too old fer me!
+			$this->_expired = true;
+			// wipe out everything that isn't a default session datum
+			$this->clear_session(__CLASS__, __FUNCTION__);
+		}
+		// make event espresso session data available to plugin
+		$this->_session_data = array_merge($this->_session_data, $session_data);
+		return true;
+	}
+
+
+
+	/**
+	 * _get_session_data
+	 * Retrieves the session data, and attempts to correct any encoding issues that can occur due to improperly setup
+	 * databases
+	 *
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidSessionDataException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _retrieve_session_data()
+	{
+		$ssn_key = EE_Session::session_id_prefix . $this->_sid;
+		try {
+			// we're using WP's Transient API to store session data using the PHP session ID as the option name
+			$session_data = $this->cache_storage->get($ssn_key, false);
+			if (empty($session_data)) {
+				return array();
+			}
+			if (apply_filters('FHEE__EE_Session___perform_session_id_hash_check', WP_DEBUG)) {
+				$hash_check = $this->cache_storage->get(
+					EE_Session::hash_check_prefix . $this->_sid,
+					false
+				);
+				if ($hash_check && $hash_check !== md5($session_data)) {
+					EE_Error::add_error(
+						sprintf(
+							__(
+								'The stored data for session %1$s failed to pass a hash check and therefore appears to be invalid.',
+								'event_espresso'
+							),
+							EE_Session::session_id_prefix . $this->_sid
+						),
+						__FILE__, __FUNCTION__, __LINE__
+					);
+				}
+			}
+		} catch (Exception $e) {
+			// let's just eat that error for now and attempt to correct any corrupted data
+			global $wpdb;
+			$row          = $wpdb->get_row(
+				$wpdb->prepare(
+					"SELECT option_value FROM {$wpdb->options} WHERE option_name = %s LIMIT 1",
+					'_transient_' . $ssn_key
+				)
+			);
+			$session_data = is_object($row) ? $row->option_value : null;
+			if ($session_data) {
+				$session_data = preg_replace_callback(
+					'!s:(d+):"(.*?)";!',
+					function ($match)
+					{
+						return $match[1] === strlen($match[2])
+							? $match[0]
+							: 's:' . strlen($match[2]) . ':"' . $match[2] . '";';
+					},
+					$session_data
+				);
+			}
+			$session_data = maybe_unserialize($session_data);
+		}
+		// in case the data is encoded... try to decode it
+		$session_data = $this->encryption instanceof EE_Encryption
+			? $this->encryption->base64_string_decode($session_data)
+			: $session_data;
+		if (! is_array($session_data)) {
+			try {
+				$session_data = maybe_unserialize($session_data);
+			} catch (Exception $e) {
+				$msg = esc_html__(
+					'An error occurred while attempting to unserialize the session data.',
+					'event_espresso'
+				);
+				$msg .= WP_DEBUG
+					? '<br><pre>'
+					  . print_r($session_data, true)
+					  . '</pre><br>'
+					  . $this->find_serialize_error($session_data)
+					: '';
+				$this->cache_storage->delete(EE_Session::session_id_prefix . $this->_sid);
+				throw new InvalidSessionDataException($msg, 0, $e);
+			}
+		}
+		// just a check to make sure the session array is indeed an array
+		if (! is_array($session_data)) {
+			// no?!?! then something is wrong
+			$msg = esc_html__(
+				'The session data is missing, invalid, or corrupted.',
+				'event_espresso'
+			);
+			$msg .= WP_DEBUG
+				? '<br><pre>' . print_r($session_data, true) . '</pre><br>' . $this->find_serialize_error($session_data)
+				: '';
+			$this->cache_storage->delete(EE_Session::session_id_prefix . $this->_sid);
+			throw new InvalidSessionDataException($msg);
+		}
+		if (isset($session_data['transaction']) && absint($session_data['transaction']) !== 0) {
+			$session_data['transaction'] = EEM_Transaction::instance()->get_one_by_ID(
+				$session_data['transaction']
+			);
+		}
+		return $session_data;
+	}
+
+
+
+	/**
+	 * _generate_session_id
+	 * Retrieves the PHP session id either directly from the PHP session,
+	 * or from the $_REQUEST array if it was passed in from an AJAX request.
+	 * The session id is then salted and hashed (mmm sounds tasty)
+	 * so that it can be safely used as a $_REQUEST param
+	 *
+	 * @return string
+	 */
+	protected function _generate_session_id()
+	{
+		// check if the SID was passed explicitly, otherwise get from session, then add salt and hash it to reduce length
+		if (isset($_REQUEST['EESID'])) {
+			$session_id = sanitize_text_field($_REQUEST['EESID']);
+		} else {
+			$session_id = md5(session_id() . get_current_blog_id() . $this->_get_sid_salt());
+		}
+		return apply_filters('FHEE__EE_Session___generate_session_id__session_id', $session_id);
+	}
+
+
+
+	/**
+	 * _get_sid_salt
+	 *
+	 * @return string
+	 */
+	protected function _get_sid_salt()
+	{
+		// was session id salt already saved to db ?
+		if (empty($this->_sid_salt)) {
+			// no?  then maybe use WP defined constant
+			if (defined('AUTH_SALT')) {
+				$this->_sid_salt = AUTH_SALT;
+			}
+			// if salt doesn't exist or is too short
+			if (strlen($this->_sid_salt) < 32) {
+				// create a new one
+				$this->_sid_salt = wp_generate_password(64);
+			}
+			// and save it as a permanent session setting
+			$this->updateSessionSettings(array('sid_salt' => $this->_sid_salt));
+		}
+		return $this->_sid_salt;
+	}
+
+
+
+	/**
+	 * _set_init_access_and_expiration
+	 *
+	 * @return void
+	 */
+	protected function _set_init_access_and_expiration()
+	{
+		$this->_time       = time();
+		$this->_expiration = $this->_time + $this->_lifespan;
+		// set initial site access time
+		$this->_session_data['init_access'] = $this->_time;
+		// and the session expiration
+		$this->_session_data['expiration'] = $this->_expiration;
+	}
+
+
+
+	/**
+	 * @update session data  prior to saving to the db
+	 * @access public
+	 * @param bool $new_session
+	 * @return TRUE on success, FALSE on fail
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function update($new_session = false)
+	{
+		$this->_session_data = $this->_session_data !== null
+							   && is_array($this->_session_data)
+							   && isset($this->_session_data['id'])
+			? $this->_session_data
+			: array();
+		if (empty($this->_session_data)) {
+			$this->_set_defaults();
+		}
+		$session_data = array();
+		foreach ($this->_session_data as $key => $value) {
+
+			switch ($key) {
+
+				case 'id' :
+					// session ID
+					$session_data['id'] = $this->_sid;
+					break;
+				case 'ip_address' :
+					// visitor ip address
+					$session_data['ip_address'] = $this->_visitor_ip();
+					break;
+				case 'user_agent' :
+					// visitor user_agent
+					$session_data['user_agent'] = $this->_user_agent;
+					break;
+				case 'init_access' :
+					$session_data['init_access'] = absint($value);
+					break;
+				case 'last_access' :
+					// current access time
+					$session_data['last_access'] = $this->_time;
+					break;
+				case 'expiration' :
+					// when the session expires
+					$session_data['expiration'] = ! empty($this->_expiration)
+						? $this->_expiration
+						: $session_data['init_access'] + $this->_lifespan;
+					break;
+				case 'user_id' :
+					// current user if logged in
+					$session_data['user_id'] = $this->_wp_user_id();
+					break;
+				case 'pages_visited' :
+					$page_visit = $this->_get_page_visit();
+					if ($page_visit) {
+						// set pages visited where the first will be the http referrer
+						$this->_session_data['pages_visited'][ $this->_time ] = $page_visit;
+						// we'll only save the last 10 page visits.
+						$session_data['pages_visited'] = array_slice($this->_session_data['pages_visited'], -10);
+					}
+					break;
+				default :
+					// carry any other data over
+					$session_data[ $key ] = $this->_session_data[ $key ];
+			}
+		}
+		$this->_session_data = $session_data;
+		// creating a new session does not require saving to the db just yet
+		if (! $new_session) {
+			// ready? let's save
+			if ($this->_save_session_to_db()) {
+				return true;
+			}
+			return false;
+		}
+		// meh, why not?
+		return true;
+	}
+
+
+
+	/**
+	 * @create session data array
+	 * @access public
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _create_espresso_session()
+	{
+		do_action('AHEE_log', __CLASS__, __FUNCTION__, '');
+		// use the update function for now with $new_session arg set to TRUE
+		return $this->update(true) ? true : false;
+	}
+
+
+
+	/**
+	 * _save_session_to_db
+	 *
+	 * @param bool $clear_session
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _save_session_to_db($clear_session = false)
+	{
+		// unless we're deleting the session data, don't save anything if there isn't a cart
+		if (! $clear_session && ! $this->cart() instanceof EE_Cart) {
+			return false;
+		}
+		$transaction = $this->transaction();
+		if ($transaction instanceof EE_Transaction) {
+			if (! $transaction->ID()) {
+				$transaction->save();
+			}
+			$this->_session_data['transaction'] = $transaction->ID();
+		}
+		// then serialize all of our session data
+		$session_data = serialize($this->_session_data);
+		// do we need to also encode it to avoid corrupted data when saved to the db?
+		$session_data = $this->_use_encryption
+			? $this->encryption->base64_string_encode($session_data)
+			: $session_data;
+		// maybe save hash check
+		if (apply_filters('FHEE__EE_Session___perform_session_id_hash_check', WP_DEBUG)) {
+			$this->cache_storage->add(
+				EE_Session::hash_check_prefix . $this->_sid,
+				md5($session_data),
+				$this->_lifespan
+			);
+		}
+		// we're using the Transient API for storing session data,
+		return $this->cache_storage->add(
+			EE_Session::session_id_prefix . $this->_sid,
+			$session_data,
+			$this->_lifespan
+		);
+	}
+
+
+
+	/**
+	 * _visitor_ip
+	 *    attempt to get IP address of current visitor from server
+	 * plz see: http://stackoverflow.com/a/2031935/1475279
+	 *
+	 * @access public
+	 * @return string
+	 */
+	private function _visitor_ip()
+	{
+		$visitor_ip  = '0.0.0.0';
+		$server_keys = array(
+			'HTTP_CLIENT_IP',
+			'HTTP_X_FORWARDED_FOR',
+			'HTTP_X_FORWARDED',
+			'HTTP_X_CLUSTER_CLIENT_IP',
+			'HTTP_FORWARDED_FOR',
+			'HTTP_FORWARDED',
+			'REMOTE_ADDR',
+		);
+		foreach ($server_keys as $key) {
+			if (isset($_SERVER[ $key ])) {
+				foreach (array_map('trim', explode(',', $_SERVER[ $key ])) as $ip) {
+					if ($ip === '127.0.0.1' || filter_var($ip, FILTER_VALIDATE_IP) !== false) {
+						$visitor_ip = $ip;
+					}
+				}
+			}
+		}
+		return $visitor_ip;
+	}
+
+
+
+	/**
+	 * @get    the full page request the visitor is accessing
+	 * @access public
+	 * @return string
+	 */
+	public function _get_page_visit()
+	{
+		$page_visit = home_url('/') . 'wp-admin/admin-ajax.php';
+		// check for request url
+		if (isset($_SERVER['REQUEST_URI'])) {
+			$http_host   = '';
+			$page_id     = '?';
+			$e_reg       = '';
+			$request_uri = esc_url($_SERVER['REQUEST_URI']);
+			$ru_bits     = explode('?', $request_uri);
+			$request_uri = $ru_bits[0];
+			// check for and grab host as well
+			if (isset($_SERVER['HTTP_HOST'])) {
+				$http_host = esc_url($_SERVER['HTTP_HOST']);
+			}
+			// check for page_id in SERVER REQUEST
+			if (isset($_REQUEST['page_id'])) {
+				// rebuild $e_reg without any of the extra parameters
+				$page_id = '?page_id=' . esc_attr($_REQUEST['page_id']) . '&amp;';
+			}
+			// check for $e_reg in SERVER REQUEST
+			if (isset($_REQUEST['ee'])) {
+				// rebuild $e_reg without any of the extra parameters
+				$e_reg = 'ee=' . esc_attr($_REQUEST['ee']);
+			}
+			$page_visit = rtrim($http_host . $request_uri . $page_id . $e_reg, '?');
+		}
+		return $page_visit !== home_url('/wp-admin/admin-ajax.php') ? $page_visit : '';
+	}
+
+
+
+	/**
+	 * @the    current wp user id
+	 * @access public
+	 * @return int
+	 */
+	public function _wp_user_id()
+	{
+		// if I need to explain the following lines of code, then you shouldn't be looking at this!
+		$this->_wp_user_id = get_current_user_id();
+		return $this->_wp_user_id;
+	}
+
+
+
+	/**
+	 * Clear EE_Session data
+	 *
+	 * @access public
+	 * @param string $class
+	 * @param string $function
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function clear_session($class = '', $function = '')
+	{
+		//echo '<h3 style="color:#999;line-height:.9em;"><span style="color:#2EA2CC">' . __CLASS__ . '</span>::<span style="color:#E76700">' . __FUNCTION__ . '( ' . $class . '::' . $function . '() )</span><br/><span style="font-size:9px;font-weight:normal;">' . __FILE__ . '</span>    <b style="font-size:10px;">  ' . __LINE__ . ' </b></h3>';
+		do_action('AHEE_log', __FILE__, __FUNCTION__, 'session cleared by : ' . $class . '::' . $function . '()');
+		$this->reset_cart();
+		$this->reset_checkout();
+		$this->reset_transaction();
+		// wipe out everything that isn't a default session datum
+		$this->reset_data(array_keys($this->_session_data));
+		// reset initial site access time and the session expiration
+		$this->_set_init_access_and_expiration();
+		$this->_save_session_to_db(true);
+	}
+
+
+
+	/**
+	 * @resets all non-default session vars
+	 * @access public
+	 * @param array|mixed $data_to_reset
+	 * @param bool        $show_all_notices
+	 * @return TRUE on success, FALSE on fail
+	 */
+	public function reset_data($data_to_reset = array(), $show_all_notices = false)
+	{
+		// if $data_to_reset is not in an array, then put it in one
+		if (! is_array($data_to_reset)) {
+			$data_to_reset = array($data_to_reset);
+		}
+		// nothing ??? go home!
+		if (empty($data_to_reset)) {
+			EE_Error::add_error(__('No session data could be reset, because no session var name was provided.',
+				'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		$return_value = true;
+		// since $data_to_reset is an array, cycle through the values
+		foreach ($data_to_reset as $reset) {
+
+			// first check to make sure it is a valid session var
+			if (isset($this->_session_data[ $reset ])) {
+				// then check to make sure it is not a default var
+				if (! array_key_exists($reset, $this->_default_session_vars)) {
+					// remove session var
+					unset($this->_session_data[ $reset ]);
+					if ($show_all_notices) {
+						EE_Error::add_success(sprintf(__('The session variable %s was removed.', 'event_espresso'),
+							$reset), __FILE__, __FUNCTION__, __LINE__);
+					}
+				} else {
+					// yeeeeeeeeerrrrrrrrrrr OUT !!!!
+					if ($show_all_notices) {
+						EE_Error::add_error(sprintf(__('Sorry! %s is a default session datum and can not be reset.',
+							'event_espresso'), $reset), __FILE__, __FUNCTION__, __LINE__);
+					}
+					$return_value = false;
+				}
+			} elseif ($show_all_notices) {
+				// oops! that session var does not exist!
+				EE_Error::add_error(sprintf(__('The session item provided, %s, is invalid or does not exist.',
+					'event_espresso'), $reset), __FILE__, __FUNCTION__, __LINE__);
+				$return_value = false;
+			}
+		} // end of foreach
+		return $return_value;
+	}
+
+
+
+	/**
+	 *   wp_loaded
+	 *
+	 * @access public
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	public function wp_loaded()
+	{
+		if (
+			EE_Registry::instance()->REQ instanceof EE_Request_Handler
+			&& EE_Registry::instance()->REQ->is_set('clear_session')
+		) {
+			$this->clear_session(__CLASS__, __FUNCTION__);
+		}
+	}
+
+
+
+	/**
+	 * Used to reset the entire object (for tests).
+	 *
+	 * @since 4.3.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	public function reset_instance()
+	{
+		$this->clear_session();
+		self::$_instance = null;
+	}
+
+
+
+	public function configure_garbage_collection_filters()
+	{
+		// run old filter we had for controlling session cleanup
+		$expired_session_transient_delete_query_limit = absint(
+			apply_filters(
+				'FHEE__EE_Session__garbage_collection___expired_session_transient_delete_query_limit',
+				50
+			)
+		);
+		// is there a value? or one that is different than the default 50 records?
+		if ($expired_session_transient_delete_query_limit === 0) {
+			// hook into TransientCacheStorage in case Session cleanup was turned off
+			add_filter('FHEE__TransientCacheStorage__transient_cleanup_schedule', '__return_zero');
+		} elseif ($expired_session_transient_delete_query_limit !== 50) {
+			// or use that for the new transient cleanup query limit
+			add_filter(
+				'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
+				function () use ($expired_session_transient_delete_query_limit)
+				{
+					return $expired_session_transient_delete_query_limit;
+				}
+			);
+		}
+	}
+
+
+
+	/**
+	 * @see http://stackoverflow.com/questions/10152904/unserialize-function-unserialize-error-at-offset/21389439#10152996
+	 * @param $data1
+	 * @return string
+	 */
+	private function find_serialize_error($data1)
+	{
+		$error = '<pre>';
+		$data2 = preg_replace_callback(
+			'!s:(\d+):"(.*?)";!',
+			function ($match)
+			{
+				return ($match[1] === strlen($match[2]))
+					? $match[0]
+					: 's:'
+					  . strlen($match[2])
+					  . ':"'
+					  . $match[2]
+					  . '";';
+			},
+			$data1
+		);
+		$max   = (strlen($data1) > strlen($data2)) ? strlen($data1) : strlen($data2);
+		$error .= $data1 . PHP_EOL;
+		$error .= $data2 . PHP_EOL;
+		for ($i = 0; $i < $max; $i++) {
+			if (@$data1[ $i ] !== @$data2[ $i ]) {
+				$error  .= 'Difference ' . @$data1[ $i ] . ' != ' . @$data2[ $i ] . PHP_EOL;
+				$error  .= "\t-> ORD number " . ord(@$data1[ $i ]) . ' != ' . ord(@$data2[ $i ]) . PHP_EOL;
+				$error  .= "\t-> Line Number = $i" . PHP_EOL;
+				$start  = ($i - 20);
+				$start  = ($start < 0) ? 0 : $start;
+				$length = 40;
+				$point  = $max - $i;
+				if ($point < 20) {
+					$rlength = 1;
+					$rpoint  = -$point;
+				} else {
+					$rpoint  = $length - 20;
+					$rlength = 1;
+				}
+				$error .= "\t-> Section Data1  = ";
+				$error .= substr_replace(
+					substr($data1, $start, $length),
+					"<b style=\"color:green\">{$data1[ $i ]}</b>",
+					$rpoint,
+					$rlength
+				);
+				$error .= PHP_EOL;
+				$error .= "\t-> Section Data2  = ";
+				$error .= substr_replace(
+					substr($data2, $start, $length),
+					"<b style=\"color:red\">{$data2[ $i ]}</b>",
+					$rpoint,
+					$rlength
+				);
+				$error .= PHP_EOL;
+			}
+		}
+		$error .= '</pre>';
+		return $error;
+	}
+
+
+	/**
+	 * Saves an  array of settings used for configuring aspects of session behaviour
+	 *
+	 * @param array $updated_settings
+	 */
+	private function updateSessionSettings(array $updated_settings = array())
+	{
+		// add existing settings, but only if not included in incoming $updated_settings array
+		$updated_settings += get_option(EE_Session::OPTION_NAME_SETTINGS, array());
+		update_option(EE_Session::OPTION_NAME_SETTINGS, $updated_settings);
+	}
+
+
+	/**
+	 * garbage_collection
+	 */
+	public function garbageCollection()
+	{
+		// only perform during regular requests if last garbage collection was over an hour ago
+		if (! (defined('DOING_AJAX') && DOING_AJAX) && (time() - HOUR_IN_SECONDS) >= $this->_last_gc) {
+			$this->_last_gc = time();
+			$this->updateSessionSettings(array('last_gc' => $this->_last_gc));
+			/** @type WPDB $wpdb */
+			global $wpdb;
+			// filter the query limit. Set to 0 to turn off garbage collection
+			$expired_session_transient_delete_query_limit = absint(
+				apply_filters(
+					'FHEE__EE_Session__garbage_collection___expired_session_transient_delete_query_limit',
+					50
+				)
+			);
+			// non-zero LIMIT means take out the trash
+			if ($expired_session_transient_delete_query_limit) {
+				$session_key    = str_replace('_', '\_', EE_Session::session_id_prefix);
+				$hash_check_key = str_replace('_', '\_', EE_Session::hash_check_prefix);
+				// since transient expiration timestamps are set in the future, we can compare against NOW
+				// but we only want to pick up any trash that's been around for more than a day
+				$expiration = time() - DAY_IN_SECONDS;
+				$SQL        = "
                     SELECT option_name
                     FROM {$wpdb->options}
                     WHERE
@@ -1232,19 +1232,19 @@ 
                     AND option_value < {$expiration}
                     LIMIT {$expired_session_transient_delete_query_limit}
                 ";
-                // produces something like:
-                // SELECT option_name FROM wp_options
-                // WHERE ( option_name LIKE '\_transient\_timeout\_ee\_ssn\_%'
-                // OR option_name LIKE '\_transient\_timeout\_ee\_shc\_%' )
-                // AND option_value < 1508368198 LIMIT 50
-                $expired_sessions = $wpdb->get_col($SQL);
-                // valid results?
-                if (! $expired_sessions instanceof WP_Error && ! empty($expired_sessions)) {
-                    $this->cache_storage->deleteMany($expired_sessions, true);
-                }
-            }
-        }
-    }
+				// produces something like:
+				// SELECT option_name FROM wp_options
+				// WHERE ( option_name LIKE '\_transient\_timeout\_ee\_ssn\_%'
+				// OR option_name LIKE '\_transient\_timeout\_ee\_shc\_%' )
+				// AND option_value < 1508368198 LIMIT 50
+				$expired_sessions = $wpdb->get_col($SQL);
+				// valid results?
+				if (! $expired_sessions instanceof WP_Error && ! empty($expired_sessions)) {
+					$this->cache_storage->deleteMany($expired_sessions, true);
+				}
+			}
+		}
+	}
 
 
 

Spacing +59 added lines, -59 removed lines

@@ -164,7 +164,7 @@ 
         // check if class object is instantiated
         // session loading is turned ON by default, but prior to the init hook, can be turned back OFF via:
         // add_filter( 'FHEE_load_EE_Session', '__return_false' );
-        if (! self::$_instance instanceof EE_Session && apply_filters('FHEE_load_EE_Session', true)) {
+        if ( ! self::$_instance instanceof EE_Session && apply_filters('FHEE_load_EE_Session', true)) {
             self::$_instance = new self($cache_storage, $encryption);
         }
         return self::$_instance;
@@ -185,11 +185,11 @@ 
     {
 
         // session loading is turned ON by default, but prior to the init hook, can be turned back OFF via: add_filter( 'FHEE_load_EE_Session', '__return_false' );
-        if (! apply_filters('FHEE_load_EE_Session', true)) {
+        if ( ! apply_filters('FHEE_load_EE_Session', true)) {
             return;
         }
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        if (! defined('ESPRESSO_SESSION')) {
+        if ( ! defined('ESPRESSO_SESSION')) {
             define('ESPRESSO_SESSION', true);
         }
         // default session lifespan in seconds
@@ -205,11 +205,11 @@ 
          */
         // retrieve session options from db
         $session_settings = (array) get_option(EE_Session::OPTION_NAME_SETTINGS, array());
-        if (! empty($session_settings)) {
+        if ( ! empty($session_settings)) {
             // cycle though existing session options
             foreach ($session_settings as $var_name => $session_setting) {
                 // set values for class properties
-                $var_name          = '_' . $var_name;
+                $var_name          = '_'.$var_name;
                 $this->{$var_name} = $session_setting;
             }
         }
@@ -247,7 +247,7 @@ 
     public function open_session()
     {
         // check for existing session and retrieve it from db
-        if (! $this->_espresso_session()) {
+        if ( ! $this->_espresso_session()) {
             // or just start a new one
             $this->_create_espresso_session();
         }
@@ -299,7 +299,7 @@ 
      */
     public function extend_expiration($time = 0)
     {
-        $time              = $time ? $time : $this->extension();
+        $time = $time ? $time : $this->extension();
         $this->_expiration += absint($time);
     }
 
@@ -326,9 +326,9 @@ 
         // set some defaults
         foreach ($this->_default_session_vars as $key => $default_var) {
             if (is_array($default_var)) {
-                $this->_session_data[ $key ] = array();
+                $this->_session_data[$key] = array();
             } else {
-                $this->_session_data[ $key ] = '';
+                $this->_session_data[$key] = '';
             }
         }
     }
@@ -471,8 +471,8 @@ 
             $this->reset_checkout();
             $this->reset_transaction();
         }
-        if (! empty($key)) {
-            return isset($this->_session_data[ $key ]) ? $this->_session_data[ $key ] : null;
+        if ( ! empty($key)) {
+            return isset($this->_session_data[$key]) ? $this->_session_data[$key] : null;
         }
         return $this->_session_data;
     }
@@ -496,12 +496,12 @@ 
             return false;
         }
         foreach ($data as $key => $value) {
-            if (isset($this->_default_session_vars[ $key ])) {
+            if (isset($this->_default_session_vars[$key])) {
                 EE_Error::add_error(sprintf(__('Sorry! %s is a default session datum and can not be reset.',
                     'event_espresso'), $key), __FILE__, __FUNCTION__, __LINE__);
                 return false;
             }
-            $this->_session_data[ $key ] = $value;
+            $this->_session_data[$key] = $value;
         }
         return true;
     }
@@ -534,7 +534,7 @@ 
         $this->_user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? esc_attr($_SERVER['HTTP_USER_AGENT']) : false;
         // now let's retrieve what's in the db
         $session_data = $this->_retrieve_session_data();
-        if (! empty($session_data)) {
+        if ( ! empty($session_data)) {
             // get the current time in UTC
             $this->_time = $this->_time !== null ? $this->_time : time();
             // and reset the session expiration
@@ -545,7 +545,7 @@ 
             // set initial site access time and the session expiration
             $this->_set_init_access_and_expiration();
             // set referer
-            $this->_session_data['pages_visited'][ $this->_session_data['init_access'] ] = isset($_SERVER['HTTP_REFERER'])
+            $this->_session_data['pages_visited'][$this->_session_data['init_access']] = isset($_SERVER['HTTP_REFERER'])
                 ? esc_attr($_SERVER['HTTP_REFERER'])
                 : '';
             // no previous session = go back and create one (on top of the data above)
@@ -583,7 +583,7 @@ 
      */
     protected function _retrieve_session_data()
     {
-        $ssn_key = EE_Session::session_id_prefix . $this->_sid;
+        $ssn_key = EE_Session::session_id_prefix.$this->_sid;
         try {
             // we're using WP's Transient API to store session data using the PHP session ID as the option name
             $session_data = $this->cache_storage->get($ssn_key, false);
@@ -592,7 +592,7 @@ 
             }
             if (apply_filters('FHEE__EE_Session___perform_session_id_hash_check', WP_DEBUG)) {
                 $hash_check = $this->cache_storage->get(
-                    EE_Session::hash_check_prefix . $this->_sid,
+                    EE_Session::hash_check_prefix.$this->_sid,
                     false
                 );
                 if ($hash_check && $hash_check !== md5($session_data)) {
@@ -602,7 +602,7 @@ 
                                 'The stored data for session %1$s failed to pass a hash check and therefore appears to be invalid.',
                                 'event_espresso'
                             ),
-                            EE_Session::session_id_prefix . $this->_sid
+                            EE_Session::session_id_prefix.$this->_sid
                         ),
                         __FILE__, __FUNCTION__, __LINE__
                     );
@@ -611,21 +611,21 @@ 
         } catch (Exception $e) {
             // let's just eat that error for now and attempt to correct any corrupted data
             global $wpdb;
-            $row          = $wpdb->get_row(
+            $row = $wpdb->get_row(
                 $wpdb->prepare(
                     "SELECT option_value FROM {$wpdb->options} WHERE option_name = %s LIMIT 1",
-                    '_transient_' . $ssn_key
+                    '_transient_'.$ssn_key
                 )
             );
             $session_data = is_object($row) ? $row->option_value : null;
             if ($session_data) {
                 $session_data = preg_replace_callback(
                     '!s:(d+):"(.*?)";!',
-                    function ($match)
+                    function($match)
                     {
                         return $match[1] === strlen($match[2])
                             ? $match[0]
-                            : 's:' . strlen($match[2]) . ':"' . $match[2] . '";';
+                            : 's:'.strlen($match[2]).':"'.$match[2].'";';
                     },
                     $session_data
                 );
@@ -636,7 +636,7 @@ 
         $session_data = $this->encryption instanceof EE_Encryption
             ? $this->encryption->base64_string_decode($session_data)
             : $session_data;
-        if (! is_array($session_data)) {
+        if ( ! is_array($session_data)) {
             try {
                 $session_data = maybe_unserialize($session_data);
             } catch (Exception $e) {
@@ -650,21 +650,21 @@ 
                       . '</pre><br>'
                       . $this->find_serialize_error($session_data)
                     : '';
-                $this->cache_storage->delete(EE_Session::session_id_prefix . $this->_sid);
+                $this->cache_storage->delete(EE_Session::session_id_prefix.$this->_sid);
                 throw new InvalidSessionDataException($msg, 0, $e);
             }
         }
         // just a check to make sure the session array is indeed an array
-        if (! is_array($session_data)) {
+        if ( ! is_array($session_data)) {
             // no?!?! then something is wrong
             $msg = esc_html__(
                 'The session data is missing, invalid, or corrupted.',
                 'event_espresso'
             );
             $msg .= WP_DEBUG
-                ? '<br><pre>' . print_r($session_data, true) . '</pre><br>' . $this->find_serialize_error($session_data)
+                ? '<br><pre>'.print_r($session_data, true).'</pre><br>'.$this->find_serialize_error($session_data)
                 : '';
-            $this->cache_storage->delete(EE_Session::session_id_prefix . $this->_sid);
+            $this->cache_storage->delete(EE_Session::session_id_prefix.$this->_sid);
             throw new InvalidSessionDataException($msg);
         }
         if (isset($session_data['transaction']) && absint($session_data['transaction']) !== 0) {
@@ -692,7 +692,7 @@ 
         if (isset($_REQUEST['EESID'])) {
             $session_id = sanitize_text_field($_REQUEST['EESID']);
         } else {
-            $session_id = md5(session_id() . get_current_blog_id() . $this->_get_sid_salt());
+            $session_id = md5(session_id().get_current_blog_id().$this->_get_sid_salt());
         }
         return apply_filters('FHEE__EE_Session___generate_session_id__session_id', $session_id);
     }
@@ -800,19 +800,19 @@ 
                     $page_visit = $this->_get_page_visit();
                     if ($page_visit) {
                         // set pages visited where the first will be the http referrer
-                        $this->_session_data['pages_visited'][ $this->_time ] = $page_visit;
+                        $this->_session_data['pages_visited'][$this->_time] = $page_visit;
                         // we'll only save the last 10 page visits.
                         $session_data['pages_visited'] = array_slice($this->_session_data['pages_visited'], -10);
                     }
                     break;
                 default :
                     // carry any other data over
-                    $session_data[ $key ] = $this->_session_data[ $key ];
+                    $session_data[$key] = $this->_session_data[$key];
             }
         }
         $this->_session_data = $session_data;
         // creating a new session does not require saving to the db just yet
-        if (! $new_session) {
+        if ( ! $new_session) {
             // ready? let's save
             if ($this->_save_session_to_db()) {
                 return true;
@@ -856,12 +856,12 @@ 
     private function _save_session_to_db($clear_session = false)
     {
         // unless we're deleting the session data, don't save anything if there isn't a cart
-        if (! $clear_session && ! $this->cart() instanceof EE_Cart) {
+        if ( ! $clear_session && ! $this->cart() instanceof EE_Cart) {
             return false;
         }
         $transaction = $this->transaction();
         if ($transaction instanceof EE_Transaction) {
-            if (! $transaction->ID()) {
+            if ( ! $transaction->ID()) {
                 $transaction->save();
             }
             $this->_session_data['transaction'] = $transaction->ID();
@@ -875,14 +875,14 @@ 
         // maybe save hash check
         if (apply_filters('FHEE__EE_Session___perform_session_id_hash_check', WP_DEBUG)) {
             $this->cache_storage->add(
-                EE_Session::hash_check_prefix . $this->_sid,
+                EE_Session::hash_check_prefix.$this->_sid,
                 md5($session_data),
                 $this->_lifespan
             );
         }
         // we're using the Transient API for storing session data,
         return $this->cache_storage->add(
-            EE_Session::session_id_prefix . $this->_sid,
+            EE_Session::session_id_prefix.$this->_sid,
             $session_data,
             $this->_lifespan
         );
@@ -911,8 +911,8 @@ 
             'REMOTE_ADDR',
         );
         foreach ($server_keys as $key) {
-            if (isset($_SERVER[ $key ])) {
-                foreach (array_map('trim', explode(',', $_SERVER[ $key ])) as $ip) {
+            if (isset($_SERVER[$key])) {
+                foreach (array_map('trim', explode(',', $_SERVER[$key])) as $ip) {
                     if ($ip === '127.0.0.1' || filter_var($ip, FILTER_VALIDATE_IP) !== false) {
                         $visitor_ip = $ip;
                     }
@@ -931,7 +931,7 @@ 
      */
     public function _get_page_visit()
     {
-        $page_visit = home_url('/') . 'wp-admin/admin-ajax.php';
+        $page_visit = home_url('/').'wp-admin/admin-ajax.php';
         // check for request url
         if (isset($_SERVER['REQUEST_URI'])) {
             $http_host   = '';
@@ -947,14 +947,14 @@ 
             // check for page_id in SERVER REQUEST
             if (isset($_REQUEST['page_id'])) {
                 // rebuild $e_reg without any of the extra parameters
-                $page_id = '?page_id=' . esc_attr($_REQUEST['page_id']) . '&amp;';
+                $page_id = '?page_id='.esc_attr($_REQUEST['page_id']).'&amp;';
             }
             // check for $e_reg in SERVER REQUEST
             if (isset($_REQUEST['ee'])) {
                 // rebuild $e_reg without any of the extra parameters
-                $e_reg = 'ee=' . esc_attr($_REQUEST['ee']);
+                $e_reg = 'ee='.esc_attr($_REQUEST['ee']);
             }
-            $page_visit = rtrim($http_host . $request_uri . $page_id . $e_reg, '?');
+            $page_visit = rtrim($http_host.$request_uri.$page_id.$e_reg, '?');
         }
         return $page_visit !== home_url('/wp-admin/admin-ajax.php') ? $page_visit : '';
     }
@@ -990,7 +990,7 @@ 
     public function clear_session($class = '', $function = '')
     {
         //echo '<h3 style="color:#999;line-height:.9em;"><span style="color:#2EA2CC">' . __CLASS__ . '</span>::<span style="color:#E76700">' . __FUNCTION__ . '( ' . $class . '::' . $function . '() )</span><br/><span style="font-size:9px;font-weight:normal;">' . __FILE__ . '</span>    <b style="font-size:10px;">  ' . __LINE__ . ' </b></h3>';
-        do_action('AHEE_log', __FILE__, __FUNCTION__, 'session cleared by : ' . $class . '::' . $function . '()');
+        do_action('AHEE_log', __FILE__, __FUNCTION__, 'session cleared by : '.$class.'::'.$function.'()');
         $this->reset_cart();
         $this->reset_checkout();
         $this->reset_transaction();
@@ -1013,7 +1013,7 @@ 
     public function reset_data($data_to_reset = array(), $show_all_notices = false)
     {
         // if $data_to_reset is not in an array, then put it in one
-        if (! is_array($data_to_reset)) {
+        if ( ! is_array($data_to_reset)) {
             $data_to_reset = array($data_to_reset);
         }
         // nothing ??? go home!
@@ -1027,11 +1027,11 @@ 
         foreach ($data_to_reset as $reset) {
 
             // first check to make sure it is a valid session var
-            if (isset($this->_session_data[ $reset ])) {
+            if (isset($this->_session_data[$reset])) {
                 // then check to make sure it is not a default var
-                if (! array_key_exists($reset, $this->_default_session_vars)) {
+                if ( ! array_key_exists($reset, $this->_default_session_vars)) {
                     // remove session var
-                    unset($this->_session_data[ $reset ]);
+                    unset($this->_session_data[$reset]);
                     if ($show_all_notices) {
                         EE_Error::add_success(sprintf(__('The session variable %s was removed.', 'event_espresso'),
                             $reset), __FILE__, __FUNCTION__, __LINE__);
@@ -1111,7 +1111,7 @@ 
             // or use that for the new transient cleanup query limit
             add_filter(
                 'FHEE__TransientCacheStorage__clearExpiredTransients__limit',
-                function () use ($expired_session_transient_delete_query_limit)
+                function() use ($expired_session_transient_delete_query_limit)
                 {
                     return $expired_session_transient_delete_query_limit;
                 }
@@ -1131,7 +1131,7 @@ 
         $error = '<pre>';
         $data2 = preg_replace_callback(
             '!s:(\d+):"(.*?)";!',
-            function ($match)
+            function($match)
             {
                 return ($match[1] === strlen($match[2]))
                     ? $match[0]
@@ -1143,14 +1143,14 @@ 
             },
             $data1
         );
-        $max   = (strlen($data1) > strlen($data2)) ? strlen($data1) : strlen($data2);
-        $error .= $data1 . PHP_EOL;
-        $error .= $data2 . PHP_EOL;
+        $max = (strlen($data1) > strlen($data2)) ? strlen($data1) : strlen($data2);
+        $error .= $data1.PHP_EOL;
+        $error .= $data2.PHP_EOL;
         for ($i = 0; $i < $max; $i++) {
-            if (@$data1[ $i ] !== @$data2[ $i ]) {
-                $error  .= 'Difference ' . @$data1[ $i ] . ' != ' . @$data2[ $i ] . PHP_EOL;
-                $error  .= "\t-> ORD number " . ord(@$data1[ $i ]) . ' != ' . ord(@$data2[ $i ]) . PHP_EOL;
-                $error  .= "\t-> Line Number = $i" . PHP_EOL;
+            if (@$data1[$i] !== @$data2[$i]) {
+                $error  .= 'Difference '.@$data1[$i].' != '.@$data2[$i].PHP_EOL;
+                $error  .= "\t-> ORD number ".ord(@$data1[$i]).' != '.ord(@$data2[$i]).PHP_EOL;
+                $error  .= "\t-> Line Number = $i".PHP_EOL;
                 $start  = ($i - 20);
                 $start  = ($start < 0) ? 0 : $start;
                 $length = 40;
@@ -1165,7 +1165,7 @@ 
                 $error .= "\t-> Section Data1  = ";
                 $error .= substr_replace(
                     substr($data1, $start, $length),
-                    "<b style=\"color:green\">{$data1[ $i ]}</b>",
+                    "<b style=\"color:green\">{$data1[$i]}</b>",
                     $rpoint,
                     $rlength
                 );
@@ -1173,7 +1173,7 @@ 
                 $error .= "\t-> Section Data2  = ";
                 $error .= substr_replace(
                     substr($data2, $start, $length),
-                    "<b style=\"color:red\">{$data2[ $i ]}</b>",
+                    "<b style=\"color:red\">{$data2[$i]}</b>",
                     $rpoint,
                     $rlength
                 );
@@ -1204,7 +1204,7 @@ 
     public function garbageCollection()
     {
         // only perform during regular requests if last garbage collection was over an hour ago
-        if (! (defined('DOING_AJAX') && DOING_AJAX) && (time() - HOUR_IN_SECONDS) >= $this->_last_gc) {
+        if ( ! (defined('DOING_AJAX') && DOING_AJAX) && (time() - HOUR_IN_SECONDS) >= $this->_last_gc) {
             $this->_last_gc = time();
             $this->updateSessionSettings(array('last_gc' => $this->_last_gc));
             /** @type WPDB $wpdb */
@@ -1239,7 +1239,7 @@ 
                 // AND option_value < 1508368198 LIMIT 50
                 $expired_sessions = $wpdb->get_col($SQL);
                 // valid results?
-                if (! $expired_sessions instanceof WP_Error && ! empty($expired_sessions)) {
+                if ( ! $expired_sessions instanceof WP_Error && ! empty($expired_sessions)) {
                     $this->cache_storage->deleteMany($expired_sessions, true);
                 }
             }

admin_pages/registration_form/Registration_Form_Admin_Page.core.php

Indentation +640 added lines, -640 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('NO direct script access allowed');
+	exit('NO direct script access allowed');
 }
 
 /**
@@ -28,596 +28,596 @@ 
 class Registration_Form_Admin_Page extends EE_Admin_Page
 {
 
-    /**
-     * _question
-     * holds the specific question object for the question details screen
-     *
-     * @var EE_Question $_question
-     */
-    protected $_question;
-
-    /**
-     * _question_group
-     * holds the specific question group object for the question group details screen
-     *
-     * @var EE_Question_Group $_question_group
-     */
-    protected $_question_group;
-
-    /**
-     *_question_model EEM_Question model instance (for queries)
-     *
-     * @var EEM_Question $_question_model ;
-     */
-    protected $_question_model;
-
-    /**
-     * _question_group_model EEM_Question_group instance (for queries)
-     *
-     * @var EEM_Question_Group $_question_group_model
-     */
-    protected $_question_group_model;
-
-
-    /**
-     * @Constructor
-     * @param bool $routing indicate whether we want to just load the object and handle routing or just load the object.
-     * @access public
-     */
-    public function __construct($routing = true)
-    {
-        require_once(EE_MODELS . 'EEM_Question.model.php');
-        require_once(EE_MODELS . 'EEM_Question_Group.model.php');
-        $this->_question_model       = EEM_Question::instance();
-        $this->_question_group_model = EEM_Question_Group::instance();
-        parent::__construct($routing);
-    }
-
-
-    protected function _init_page_props()
-    {
-        $this->page_slug        = REGISTRATION_FORM_PG_SLUG;
-        $this->page_label       = esc_html__('Registration Form', 'event_espresso');
-        $this->_admin_base_url  = REGISTRATION_FORM_ADMIN_URL;
-        $this->_admin_base_path = REGISTRATION_FORM_ADMIN;
-    }
-
-
-    protected function _ajax_hooks()
-    {
-    }
-
-
-    protected function _define_page_props()
-    {
-        $this->_admin_page_title = esc_html__('Registration Form', 'event_espresso');
-        $this->_labels           = array(
-            'buttons' => array(
-                'edit_question' => esc_html__('Edit Question', 'event_espresso'),
-            ),
-        );
-    }
-
-
-    /**
-     *_set_page_routes
-     */
-    protected function _set_page_routes()
-    {
-        $qst_id             = ! empty($this->_req_data['QST_ID']) ? $this->_req_data['QST_ID'] : 0;
-        $this->_page_routes = array(
-            'default' => array(
-                'func'       => '_questions_overview_list_table',
-                'capability' => 'ee_read_questions',
-            ),
-
-            'edit_question' => array(
-                'func'       => '_edit_question',
-                'capability' => 'ee_edit_question',
-                'obj_id'     => $qst_id,
-                'args'       => array('edit'),
-            ),
-
-            'question_groups' => array(
-                'func'       => '_questions_groups_preview',
-                'capability' => 'ee_read_question_groups',
-            ),
-
-            'update_question' => array(
-                'func'       => '_insert_or_update_question',
-                'args'       => array('new_question' => false),
-                'capability' => 'ee_edit_question',
-                'obj_id'     => $qst_id,
-                'noheader'   => true,
-            ),
-        );
-    }
-
-
-    protected function _set_page_config()
-    {
-        $this->_page_config = array(
-            'default' => array(
-                'nav'           => array(
-                    'label' => esc_html__('Questions', 'event_espresso'),
-                    'order' => 10,
-                ),
-                'list_table'    => 'Registration_Form_Questions_Admin_List_Table',
-                'metaboxes'     => $this->_default_espresso_metaboxes,
-                'help_tabs'     => array(
-                    'registration_form_questions_overview_help_tab'                           => array(
-                        'title'    => esc_html__('Questions Overview', 'event_espresso'),
-                        'filename' => 'registration_form_questions_overview',
-                    ),
-                    'registration_form_questions_overview_table_column_headings_help_tab'     => array(
-                        'title'    => esc_html__('Questions Overview Table Column Headings', 'event_espresso'),
-                        'filename' => 'registration_form_questions_overview_table_column_headings',
-                    ),
-                    'registration_form_questions_overview_views_bulk_actions_search_help_tab' => array(
-                        'title'    => esc_html__('Question Overview Views & Bulk Actions & Search', 'event_espresso'),
-                        'filename' => 'registration_form_questions_overview_views_bulk_actions_search',
-                    ),
-                ),
-                'help_tour'     => array('Registration_Form_Questions_Overview_Help_Tour'),
-                'require_nonce' => false,
-                'qtips'         => array(
-                    'EE_Registration_Form_Tips',
-                )/**/
-            ),
-
-            'question_groups' => array(
-                'nav'           => array(
-                    'label' => esc_html__('Question Groups', 'event_espresso'),
-                    'order' => 20,
-                ),
-                'metaboxes'     => $this->_default_espresso_metaboxes,
-                'help_tabs'     => array(
-                    'registration_form_question_groups_help_tab' => array(
-                        'title'    => esc_html__('Question Groups', 'event_espresso'),
-                        'filename' => 'registration_form_question_groups',
-                    ),
-                ),
-                'help_tour'     => array('Registration_Form_Question_Groups_Help_Tour'),
-                'require_nonce' => false,
-            ),
-
-            'edit_question' => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Edit Question', 'event_espresso'),
-                    'order'      => 15,
-                    'persistent' => false,
-                    'url'        => isset($this->_req_data['question_id']) ? add_query_arg(array('question_id' => $this->_req_data['question_id']),
-                        $this->_current_page_view_url) : $this->_admin_base_url,
-                ),
-                'metaboxes'     => array_merge($this->_default_espresso_metaboxes, array('_publish_post_box')),
-                'help_tabs'     => array(
-                    'registration_form_edit_question_group_help_tab' => array(
-                        'title'    => esc_html__('Edit Question', 'event_espresso'),
-                        'filename' => 'registration_form_edit_question',
-                    ),
-                ),
-                'help_tour'     => array('Registration_Form_Edit_Question_Help_Tour'),
-                'require_nonce' => false,
-            ),
-        );
-    }
-
-
-    protected function _add_screen_options()
-    {
-        //todo
-    }
-
-    protected function _add_screen_options_default()
-    {
-        $page_title              = $this->_admin_page_title;
-        $this->_admin_page_title = esc_html__('Questions', 'event_espresso');
-        $this->_per_page_screen_option();
-        $this->_admin_page_title = $page_title;
-    }
-
-    protected function _add_screen_options_question_groups()
-    {
-        $page_title              = $this->_admin_page_title;
-        $this->_admin_page_title = esc_html__('Question Groups', 'event_espresso');
-        $this->_per_page_screen_option();
-        $this->_admin_page_title = $page_title;
-    }
-
-    //none of the below group are currently used for Event Categories
-    protected function _add_feature_pointers()
-    {
-    }
-
-    public function load_scripts_styles()
-    {
-        wp_register_style('espresso_registration',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.css', array(), EVENT_ESPRESSO_VERSION);
-        wp_enqueue_style('espresso_registration');
-    }
-
-    public function admin_init()
-    {
-    }
-
-    public function admin_notices()
-    {
-    }
-
-    public function admin_footer_scripts()
-    {
-    }
-
-
-    public function load_scripts_styles_default()
-    {
-    }
-
-
-    public function load_scripts_styles_add_question()
-    {
-        $this->load_scripts_styles_forms();
-        wp_register_script('espresso_registration_form_single',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
-            EVENT_ESPRESSO_VERSION, true);
-        wp_enqueue_script('espresso_registration_form_single');
-    }
-
-    public function load_scripts_styles_edit_question()
-    {
-        $this->load_scripts_styles_forms();
-        wp_register_script('espresso_registration_form_single',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
-            EVENT_ESPRESSO_VERSION, true);
-        wp_enqueue_script('espresso_registration_form_single');
-    }
-
-
-    public function recaptcha_info_help_tab()
-    {
-        $template = REGISTRATION_FORM_TEMPLATE_PATH . 'recaptcha_info_help_tab.template.php';
-        EEH_Template::display_template($template, array());
-    }
-
-
-    public function load_scripts_styles_forms()
-    {
-        //styles
-        wp_enqueue_style('espresso-ui-theme');
-        //scripts
-        wp_enqueue_script('ee_admin_js');
-    }
-
-
-    protected function _set_list_table_views_default()
-    {
-        $this->_views = array(
-            'all' => array(
-                'slug'  => 'all',
-                'label' => esc_html__('View All Questions', 'event_espresso'),
-                'count' => 0,
+	/**
+	 * _question
+	 * holds the specific question object for the question details screen
+	 *
+	 * @var EE_Question $_question
+	 */
+	protected $_question;
+
+	/**
+	 * _question_group
+	 * holds the specific question group object for the question group details screen
+	 *
+	 * @var EE_Question_Group $_question_group
+	 */
+	protected $_question_group;
+
+	/**
+	 *_question_model EEM_Question model instance (for queries)
+	 *
+	 * @var EEM_Question $_question_model ;
+	 */
+	protected $_question_model;
+
+	/**
+	 * _question_group_model EEM_Question_group instance (for queries)
+	 *
+	 * @var EEM_Question_Group $_question_group_model
+	 */
+	protected $_question_group_model;
+
+
+	/**
+	 * @Constructor
+	 * @param bool $routing indicate whether we want to just load the object and handle routing or just load the object.
+	 * @access public
+	 */
+	public function __construct($routing = true)
+	{
+		require_once(EE_MODELS . 'EEM_Question.model.php');
+		require_once(EE_MODELS . 'EEM_Question_Group.model.php');
+		$this->_question_model       = EEM_Question::instance();
+		$this->_question_group_model = EEM_Question_Group::instance();
+		parent::__construct($routing);
+	}
+
+
+	protected function _init_page_props()
+	{
+		$this->page_slug        = REGISTRATION_FORM_PG_SLUG;
+		$this->page_label       = esc_html__('Registration Form', 'event_espresso');
+		$this->_admin_base_url  = REGISTRATION_FORM_ADMIN_URL;
+		$this->_admin_base_path = REGISTRATION_FORM_ADMIN;
+	}
+
+
+	protected function _ajax_hooks()
+	{
+	}
+
+
+	protected function _define_page_props()
+	{
+		$this->_admin_page_title = esc_html__('Registration Form', 'event_espresso');
+		$this->_labels           = array(
+			'buttons' => array(
+				'edit_question' => esc_html__('Edit Question', 'event_espresso'),
+			),
+		);
+	}
+
+
+	/**
+	 *_set_page_routes
+	 */
+	protected function _set_page_routes()
+	{
+		$qst_id             = ! empty($this->_req_data['QST_ID']) ? $this->_req_data['QST_ID'] : 0;
+		$this->_page_routes = array(
+			'default' => array(
+				'func'       => '_questions_overview_list_table',
+				'capability' => 'ee_read_questions',
+			),
+
+			'edit_question' => array(
+				'func'       => '_edit_question',
+				'capability' => 'ee_edit_question',
+				'obj_id'     => $qst_id,
+				'args'       => array('edit'),
+			),
+
+			'question_groups' => array(
+				'func'       => '_questions_groups_preview',
+				'capability' => 'ee_read_question_groups',
+			),
+
+			'update_question' => array(
+				'func'       => '_insert_or_update_question',
+				'args'       => array('new_question' => false),
+				'capability' => 'ee_edit_question',
+				'obj_id'     => $qst_id,
+				'noheader'   => true,
+			),
+		);
+	}
+
+
+	protected function _set_page_config()
+	{
+		$this->_page_config = array(
+			'default' => array(
+				'nav'           => array(
+					'label' => esc_html__('Questions', 'event_espresso'),
+					'order' => 10,
+				),
+				'list_table'    => 'Registration_Form_Questions_Admin_List_Table',
+				'metaboxes'     => $this->_default_espresso_metaboxes,
+				'help_tabs'     => array(
+					'registration_form_questions_overview_help_tab'                           => array(
+						'title'    => esc_html__('Questions Overview', 'event_espresso'),
+						'filename' => 'registration_form_questions_overview',
+					),
+					'registration_form_questions_overview_table_column_headings_help_tab'     => array(
+						'title'    => esc_html__('Questions Overview Table Column Headings', 'event_espresso'),
+						'filename' => 'registration_form_questions_overview_table_column_headings',
+					),
+					'registration_form_questions_overview_views_bulk_actions_search_help_tab' => array(
+						'title'    => esc_html__('Question Overview Views & Bulk Actions & Search', 'event_espresso'),
+						'filename' => 'registration_form_questions_overview_views_bulk_actions_search',
+					),
+				),
+				'help_tour'     => array('Registration_Form_Questions_Overview_Help_Tour'),
+				'require_nonce' => false,
+				'qtips'         => array(
+					'EE_Registration_Form_Tips',
+				)/**/
+			),
+
+			'question_groups' => array(
+				'nav'           => array(
+					'label' => esc_html__('Question Groups', 'event_espresso'),
+					'order' => 20,
+				),
+				'metaboxes'     => $this->_default_espresso_metaboxes,
+				'help_tabs'     => array(
+					'registration_form_question_groups_help_tab' => array(
+						'title'    => esc_html__('Question Groups', 'event_espresso'),
+						'filename' => 'registration_form_question_groups',
+					),
+				),
+				'help_tour'     => array('Registration_Form_Question_Groups_Help_Tour'),
+				'require_nonce' => false,
+			),
+
+			'edit_question' => array(
+				'nav'           => array(
+					'label'      => esc_html__('Edit Question', 'event_espresso'),
+					'order'      => 15,
+					'persistent' => false,
+					'url'        => isset($this->_req_data['question_id']) ? add_query_arg(array('question_id' => $this->_req_data['question_id']),
+						$this->_current_page_view_url) : $this->_admin_base_url,
+				),
+				'metaboxes'     => array_merge($this->_default_espresso_metaboxes, array('_publish_post_box')),
+				'help_tabs'     => array(
+					'registration_form_edit_question_group_help_tab' => array(
+						'title'    => esc_html__('Edit Question', 'event_espresso'),
+						'filename' => 'registration_form_edit_question',
+					),
+				),
+				'help_tour'     => array('Registration_Form_Edit_Question_Help_Tour'),
+				'require_nonce' => false,
+			),
+		);
+	}
+
+
+	protected function _add_screen_options()
+	{
+		//todo
+	}
+
+	protected function _add_screen_options_default()
+	{
+		$page_title              = $this->_admin_page_title;
+		$this->_admin_page_title = esc_html__('Questions', 'event_espresso');
+		$this->_per_page_screen_option();
+		$this->_admin_page_title = $page_title;
+	}
+
+	protected function _add_screen_options_question_groups()
+	{
+		$page_title              = $this->_admin_page_title;
+		$this->_admin_page_title = esc_html__('Question Groups', 'event_espresso');
+		$this->_per_page_screen_option();
+		$this->_admin_page_title = $page_title;
+	}
+
+	//none of the below group are currently used for Event Categories
+	protected function _add_feature_pointers()
+	{
+	}
+
+	public function load_scripts_styles()
+	{
+		wp_register_style('espresso_registration',
+			REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.css', array(), EVENT_ESPRESSO_VERSION);
+		wp_enqueue_style('espresso_registration');
+	}
+
+	public function admin_init()
+	{
+	}
+
+	public function admin_notices()
+	{
+	}
+
+	public function admin_footer_scripts()
+	{
+	}
+
+
+	public function load_scripts_styles_default()
+	{
+	}
+
+
+	public function load_scripts_styles_add_question()
+	{
+		$this->load_scripts_styles_forms();
+		wp_register_script('espresso_registration_form_single',
+			REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
+			EVENT_ESPRESSO_VERSION, true);
+		wp_enqueue_script('espresso_registration_form_single');
+	}
+
+	public function load_scripts_styles_edit_question()
+	{
+		$this->load_scripts_styles_forms();
+		wp_register_script('espresso_registration_form_single',
+			REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
+			EVENT_ESPRESSO_VERSION, true);
+		wp_enqueue_script('espresso_registration_form_single');
+	}
+
+
+	public function recaptcha_info_help_tab()
+	{
+		$template = REGISTRATION_FORM_TEMPLATE_PATH . 'recaptcha_info_help_tab.template.php';
+		EEH_Template::display_template($template, array());
+	}
+
+
+	public function load_scripts_styles_forms()
+	{
+		//styles
+		wp_enqueue_style('espresso-ui-theme');
+		//scripts
+		wp_enqueue_script('ee_admin_js');
+	}
+
+
+	protected function _set_list_table_views_default()
+	{
+		$this->_views = array(
+			'all' => array(
+				'slug'  => 'all',
+				'label' => esc_html__('View All Questions', 'event_espresso'),
+				'count' => 0,
 //				'bulk_action' => array(
 //					'trash_questions' => esc_html__('Trash', 'event_espresso'),
 //					)
-            ),
-        );
-
-        if (EE_Registry::instance()->CAP->current_user_can('ee_delete_questions',
-            'espresso_registration_form_trash_questions')
-        ) {
-            $this->_views['trash'] = array(
-                'slug'  => 'trash',
-                'label' => esc_html__('Trash', 'event_espresso'),
-                'count' => 0,
+			),
+		);
+
+		if (EE_Registry::instance()->CAP->current_user_can('ee_delete_questions',
+			'espresso_registration_form_trash_questions')
+		) {
+			$this->_views['trash'] = array(
+				'slug'  => 'trash',
+				'label' => esc_html__('Trash', 'event_espresso'),
+				'count' => 0,
 //				'bulk_action' => array(
 //					'delete_questions' => esc_html__('Delete Permanently', 'event_espresso'),
 //					'restore_questions' => esc_html__('Restore', 'event_espresso'),
-            );
-        }
-    }
-
-    /**
-     * This just previews the question groups tab that comes in caffeinated.
-     *
-     * @return string html
-     */
-    protected function _questions_groups_preview()
-    {
-        $this->_admin_page_title              = esc_html__('Question Groups (Preview)', 'event_espresso');
-        $this->_template_args['preview_img']  = '<img src="' . REGISTRATION_FORM_ASSETS_URL . 'caf_reg_form_preview.jpg" alt="' . esc_attr__('Preview Question Groups Overview List Table screenshot',
-                'event_espresso') . '" />';
-        $this->_template_args['preview_text'] = '<strong>' . esc_html__('Question Groups is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Question Groups feature you are able to create new question groups, edit existing question groups, and create and edit new questions and add them to question groups.',
-                'event_espresso') . '</strong>';
-        $this->display_admin_caf_preview_page('question_groups_tab');
-    }
-
-
-    /**
-     * Extracts the question field's values from the POST request to update or insert them
-     *
-     * @param \EEM_Base $model
-     * @return array where each key is the name of a model's field/db column, and each value is its value.
-     */
-    protected function _set_column_values_for(EEM_Base $model)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $set_column_values = array();
-
-        //some initial checks for proper values.
-        //if QST_admin_only, then no matter what QST_required is we disable.
-        if (! empty($this->_req_data['QST_admin_only'])) {
-            $this->_req_data['QST_required'] = 0;
-        }
-        foreach ($model->field_settings() as $fieldName => $settings) {
-            // basically if QSG_identifier is empty or not set
-            if ($fieldName === 'QSG_identifier' && (isset($this->_req_data['QSG_identifier']) && empty($this->_req_data['QSG_identifier']))) {
-                $QSG_name                      = isset($this->_req_data['QSG_name']) ? $this->_req_data['QSG_name'] : '';
-                $set_column_values[$fieldName] = sanitize_title($QSG_name) . '-' . uniqid('', true);
+			);
+		}
+	}
+
+	/**
+	 * This just previews the question groups tab that comes in caffeinated.
+	 *
+	 * @return string html
+	 */
+	protected function _questions_groups_preview()
+	{
+		$this->_admin_page_title              = esc_html__('Question Groups (Preview)', 'event_espresso');
+		$this->_template_args['preview_img']  = '<img src="' . REGISTRATION_FORM_ASSETS_URL . 'caf_reg_form_preview.jpg" alt="' . esc_attr__('Preview Question Groups Overview List Table screenshot',
+				'event_espresso') . '" />';
+		$this->_template_args['preview_text'] = '<strong>' . esc_html__('Question Groups is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Question Groups feature you are able to create new question groups, edit existing question groups, and create and edit new questions and add them to question groups.',
+				'event_espresso') . '</strong>';
+		$this->display_admin_caf_preview_page('question_groups_tab');
+	}
+
+
+	/**
+	 * Extracts the question field's values from the POST request to update or insert them
+	 *
+	 * @param \EEM_Base $model
+	 * @return array where each key is the name of a model's field/db column, and each value is its value.
+	 */
+	protected function _set_column_values_for(EEM_Base $model)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$set_column_values = array();
+
+		//some initial checks for proper values.
+		//if QST_admin_only, then no matter what QST_required is we disable.
+		if (! empty($this->_req_data['QST_admin_only'])) {
+			$this->_req_data['QST_required'] = 0;
+		}
+		foreach ($model->field_settings() as $fieldName => $settings) {
+			// basically if QSG_identifier is empty or not set
+			if ($fieldName === 'QSG_identifier' && (isset($this->_req_data['QSG_identifier']) && empty($this->_req_data['QSG_identifier']))) {
+				$QSG_name                      = isset($this->_req_data['QSG_name']) ? $this->_req_data['QSG_name'] : '';
+				$set_column_values[$fieldName] = sanitize_title($QSG_name) . '-' . uniqid('', true);
 //				dd($set_column_values);
-            } //if the admin label is blank, use a slug version of the question text
-            else if ($fieldName === 'QST_admin_label' && (isset($this->_req_data['QST_admin_label']) && empty($this->_req_data['QST_admin_label']))) {
-                $QST_text                      = isset($this->_req_data['QST_display_text']) ? $this->_req_data['QST_display_text'] : '';
-                $set_column_values[$fieldName] = sanitize_title(wp_trim_words($QST_text, 10));
-            } else if ($fieldName === 'QST_admin_only' && (! isset($this->_req_data['QST_admin_only']))) {
-                $set_column_values[$fieldName] = 0;
-            } else if ($fieldName === 'QST_max') {
-                $qst_system = EEM_Question::instance()->get_var(
-                    array(
-                        array(
-                            'QST_ID' => isset($this->_req_data['QST_ID']) ? $this->_req_data['QST_ID'] : 0,
-                        ),
-                    ),
-                    'QST_system');
-                $max_max    = EEM_Question::instance()->absolute_max_for_system_question($qst_system);
-                if (empty($this->_req_data['QST_max']) ||
-                    $this->_req_data['QST_max'] > $max_max
-                ) {
-                    $set_column_values[$fieldName] = $max_max;
-                }
-            }
-
-
-            //only add a property to the array if it's not null (otherwise the model should just use the default value)
-            if (
-                ! isset($set_column_values[$fieldName]) &&
-                isset($this->_req_data[$fieldName])
-            ) {
-                $set_column_values[$fieldName] = $this->_req_data[$fieldName];
-            }
-
-        }
-        return $set_column_values;//validation fo this data to be performed by the model before insertion.
-    }
-
-
-    /**
-     *_questions_overview_list_table
-     */
-    protected function _questions_overview_list_table()
-    {
-        $this->_search_btn_label = esc_html__('Questions', 'event_espresso');
-        $this->display_admin_list_table_page_with_sidebar();
-    }
-
-
-    /**
-     * _edit_question
-     */
-    protected function _edit_question()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $ID = isset($this->_req_data['QST_ID']) && ! empty($this->_req_data['QST_ID']) ? absint($this->_req_data['QST_ID']) : false;
-
-        switch ($this->_req_action) {
-            case 'add_question' :
-                $this->_admin_page_title = esc_html__('Add Question', 'event_espresso');
-                break;
-            case 'edit_question' :
-                $this->_admin_page_title = esc_html__('Edit Question', 'event_espresso');
-                break;
-            default :
-                $this->_admin_page_title = ucwords(str_replace('_', ' ', $this->_req_action));
-        }
-
-        // add PRC_ID to title if editing
-        $this->_admin_page_title = $ID ? $this->_admin_page_title . ' # ' . $ID : $this->_admin_page_title;
-        if ($ID) {
-            $question                 = $this->_question_model->get_one_by_ID($ID);
-            $additional_hidden_fields = array('QST_ID' => array('type' => 'hidden', 'value' => $ID));
-            $this->_set_add_edit_form_tags('update_question', $additional_hidden_fields);
-        } else {
-            $question = EE_Question::new_instance();
-            $question->set_order_to_latest();
-            $this->_set_add_edit_form_tags('insert_question');
-        }
-        if( $question->system_ID() === EEM_Attendee::system_question_phone ){
-            $question_types = array_intersect_key(
-                EEM_Question::instance()->allowed_question_types(),
-                array_flip(
-                    array(
-                        EEM_Question::QST_type_text,
-                        EEM_Question::QST_type_us_phone
-                    )
-                )
-            );
-        } else {
-            $question_types = $question->has_answers() ? $this->_question_model->question_types_in_same_category($question->type()) : $this->_question_model->allowed_question_types();
-        }
-        $this->_template_args['QST_ID']                     = $ID;
-        $this->_template_args['question']                   = $question;
-        $this->_template_args['question_types']             = $question_types;
-        $this->_template_args['max_max']                    = EEM_Question::instance()->absolute_max_for_system_question(
-            $question->system_ID()
-        );
-        $this->_template_args['question_type_descriptions'] = $this->_get_question_type_descriptions();
-        $this->_set_publish_post_box_vars('id', $ID);
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            REGISTRATION_FORM_TEMPLATE_PATH . 'questions_main_meta_box.template.php',
-            $this->_template_args, true
-        );
-
-        // the details template wrapper
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    /**
-     * @return string
-     */
-    protected function _get_question_type_descriptions()
-    {
-        EE_Registry::instance()->load_helper('HTML');
-        $descriptions               = '';
-        $question_type_descriptions = EEM_Question::instance()->question_descriptions();
-        foreach ($question_type_descriptions as $type => $question_type_description) {
-            if ($type == 'HTML_TEXTAREA') {
-                $html = new EE_Simple_HTML_Validation_Strategy();
-                $question_type_description .= sprintf(
-                    esc_html__('%1$s(allowed tags: %2$s)', 'event_espresso'),
-                    '<br/>',
-                    $html->get_list_of_allowed_tags()
-                );
-            }
-            $descriptions .= EEH_HTML::p(
-                $question_type_description,
-                'question_type_description-' . $type,
-                'question_type_description description',
-                'display:none;'
-            );
-        }
-        return $descriptions;
-    }
-
-
-    /**
-     * @param bool|true $new_question
-     * @throws \EE_Error
-     */
-    protected function _insert_or_update_question($new_question = true)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $set_column_values = $this->_set_column_values_for($this->_question_model);
-        if ($new_question) {
-            $question = EE_Question::new_instance($set_column_values);
-            $action_desc = 'added';
-        } else {
-            $question     = EEM_Question::instance()->get_one_by_ID(absint($this->_req_data['QST_ID']));
-            foreach($set_column_values as $field => $new_value) {
-                $question->set($field, $new_value);
-            }
-            $action_desc = 'updated';
-        }
-        $success = $question->save();
-        $ID = $question->ID();
-        if ($ID && $question->should_have_question_options()) {
-            //save the related options
-            //trash removed options, save old ones
-            //get list of all options
-            $options  = $question->options();
-            if (! empty($options)) {
-                foreach ($options as $option_ID => $option) {
-                    $option_req_index = $this->_get_option_req_data_index($option_ID);
-                    if ($option_req_index !== false) {
-                        $option->save($this->_req_data['question_options'][$option_req_index]);
-                    } else {
-                        //not found, remove it
-                        $option->delete();
-                    }
-                }
-            }
-            //save new related options
-            foreach ($this->_req_data['question_options'] as $index => $option_req_data) {
-                //skip $index that is from our sample
-                if ( $index === 'xxcountxx' ) {
-                    continue;
-                }
-                //note we allow saving blank options.
-                if (empty($option_req_data['QSO_ID'])
-                ) {//no ID! save it!
-                    $new_option = EE_Question_Option::new_instance(array(
-                        'QSO_value' => $option_req_data['QSO_value'],
-                        'QSO_desc'  => $option_req_data['QSO_desc'],
-                        'QSO_order' => $option_req_data['QSO_order'],
-                        'QST_ID'    => $question->ID(),
-                    ));
-                    $new_option->save();
-                }
-            }
-        }
-        $query_args = array('action' => 'edit_question', 'QST_ID' => $ID);
-        if ($success !== false) {
-            $msg = $new_question ? sprintf(esc_html__('The %s has been created', 'event_espresso'),
-                $this->_question_model->item_name()) : sprintf(esc_html__('The %s has been updated', 'event_espresso'),
-                $this->_question_model->item_name());
-            EE_Error::add_success($msg);
-        }
-
-        $this->_redirect_after_action(false, '', $action_desc, $query_args, true);
-    }
-
-
-    /**
-     * Upon saving a question, there should be an array of 'question_options'. This array is index numerically, but not
-     * by ID
-     * (this is done because new question options don't have an ID, but we may want to add multiple simultaneously).
-     * So, this function gets the index in that request data array called question_options. Returns FALSE if not found.
-     *
-     * @param int $ID of the question option to find
-     * @return int index in question_options array if successful, FALSE if unsuccessful
-     */
-    protected function _get_option_req_data_index($ID)
-    {
-        $req_data_for_question_options = $this->_req_data['question_options'];
-        foreach ($req_data_for_question_options as $num => $option_data) {
-            if (array_key_exists('QSO_ID', $option_data) && (int)$option_data['QSO_ID'] === $ID) {
-                return $num;
-            }
-        }
-        return false;
-    }
-
-
-
-
-    /***********/
-    /* QUERIES */
-    /**
-     * For internal use in getting all the query parameters
-     * (because it's pretty well the same between question, question groups,
-     * and for both when searching for trashed and untrashed ones)
-     *
-     * @param EEM_Base $model either EEM_Question or EEM_Question_Group
-     * @param int      $per_page
-     * @param int      $current_page
-     * @return array lik EEM_Base::get_all's $query_params parameter
-     */
-    protected function get_query_params($model, $per_page = 10, $current_page = 10)
-    {
-        $query_params             = array();
-        $offset                   = ($current_page - 1) * $per_page;
-        $query_params['limit']    = array($offset, $per_page);
-        $order                    = (isset($this->_req_data['order']) && ! empty($this->_req_data['order'])) ? $this->_req_data['order'] : 'ASC';
-        $orderby_field            = $model instanceof EEM_Question ? 'QST_ID' : 'QSG_order';
-        $field_to_order_by        = empty($this->_req_data['orderby']) ? $orderby_field : $this->_req_data['orderby'];
-        $query_params['order_by'] = array($field_to_order_by => $order);
-        $search_string            = array_key_exists('s', $this->_req_data) ? $this->_req_data['s'] : null;
-        if (! empty($search_string)) {
-            if ($model instanceof EEM_Question_Group) {
-                $query_params[0] = array(
-                    'OR' => array(
-                        'QSG_name' => array('LIKE', "%$search_string%"),
-                        'QSG_desc' => array('LIKE', "%$search_string%"),
-                    ),
-                );
-            } else {
-                $query_params[0] = array(
-                    'QST_display_text' => array('LIKE', "%$search_string%"),
-                );
-            }
-        }
-
-        //capability checks (just leaving this commented out for reference because it illustrates some complicated query params that could be useful when fully implemented)
-        /*if ( $model instanceof EEM_Question_Group ) {
+			} //if the admin label is blank, use a slug version of the question text
+			else if ($fieldName === 'QST_admin_label' && (isset($this->_req_data['QST_admin_label']) && empty($this->_req_data['QST_admin_label']))) {
+				$QST_text                      = isset($this->_req_data['QST_display_text']) ? $this->_req_data['QST_display_text'] : '';
+				$set_column_values[$fieldName] = sanitize_title(wp_trim_words($QST_text, 10));
+			} else if ($fieldName === 'QST_admin_only' && (! isset($this->_req_data['QST_admin_only']))) {
+				$set_column_values[$fieldName] = 0;
+			} else if ($fieldName === 'QST_max') {
+				$qst_system = EEM_Question::instance()->get_var(
+					array(
+						array(
+							'QST_ID' => isset($this->_req_data['QST_ID']) ? $this->_req_data['QST_ID'] : 0,
+						),
+					),
+					'QST_system');
+				$max_max    = EEM_Question::instance()->absolute_max_for_system_question($qst_system);
+				if (empty($this->_req_data['QST_max']) ||
+					$this->_req_data['QST_max'] > $max_max
+				) {
+					$set_column_values[$fieldName] = $max_max;
+				}
+			}
+
+
+			//only add a property to the array if it's not null (otherwise the model should just use the default value)
+			if (
+				! isset($set_column_values[$fieldName]) &&
+				isset($this->_req_data[$fieldName])
+			) {
+				$set_column_values[$fieldName] = $this->_req_data[$fieldName];
+			}
+
+		}
+		return $set_column_values;//validation fo this data to be performed by the model before insertion.
+	}
+
+
+	/**
+	 *_questions_overview_list_table
+	 */
+	protected function _questions_overview_list_table()
+	{
+		$this->_search_btn_label = esc_html__('Questions', 'event_espresso');
+		$this->display_admin_list_table_page_with_sidebar();
+	}
+
+
+	/**
+	 * _edit_question
+	 */
+	protected function _edit_question()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$ID = isset($this->_req_data['QST_ID']) && ! empty($this->_req_data['QST_ID']) ? absint($this->_req_data['QST_ID']) : false;
+
+		switch ($this->_req_action) {
+			case 'add_question' :
+				$this->_admin_page_title = esc_html__('Add Question', 'event_espresso');
+				break;
+			case 'edit_question' :
+				$this->_admin_page_title = esc_html__('Edit Question', 'event_espresso');
+				break;
+			default :
+				$this->_admin_page_title = ucwords(str_replace('_', ' ', $this->_req_action));
+		}
+
+		// add PRC_ID to title if editing
+		$this->_admin_page_title = $ID ? $this->_admin_page_title . ' # ' . $ID : $this->_admin_page_title;
+		if ($ID) {
+			$question                 = $this->_question_model->get_one_by_ID($ID);
+			$additional_hidden_fields = array('QST_ID' => array('type' => 'hidden', 'value' => $ID));
+			$this->_set_add_edit_form_tags('update_question', $additional_hidden_fields);
+		} else {
+			$question = EE_Question::new_instance();
+			$question->set_order_to_latest();
+			$this->_set_add_edit_form_tags('insert_question');
+		}
+		if( $question->system_ID() === EEM_Attendee::system_question_phone ){
+			$question_types = array_intersect_key(
+				EEM_Question::instance()->allowed_question_types(),
+				array_flip(
+					array(
+						EEM_Question::QST_type_text,
+						EEM_Question::QST_type_us_phone
+					)
+				)
+			);
+		} else {
+			$question_types = $question->has_answers() ? $this->_question_model->question_types_in_same_category($question->type()) : $this->_question_model->allowed_question_types();
+		}
+		$this->_template_args['QST_ID']                     = $ID;
+		$this->_template_args['question']                   = $question;
+		$this->_template_args['question_types']             = $question_types;
+		$this->_template_args['max_max']                    = EEM_Question::instance()->absolute_max_for_system_question(
+			$question->system_ID()
+		);
+		$this->_template_args['question_type_descriptions'] = $this->_get_question_type_descriptions();
+		$this->_set_publish_post_box_vars('id', $ID);
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			REGISTRATION_FORM_TEMPLATE_PATH . 'questions_main_meta_box.template.php',
+			$this->_template_args, true
+		);
+
+		// the details template wrapper
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	/**
+	 * @return string
+	 */
+	protected function _get_question_type_descriptions()
+	{
+		EE_Registry::instance()->load_helper('HTML');
+		$descriptions               = '';
+		$question_type_descriptions = EEM_Question::instance()->question_descriptions();
+		foreach ($question_type_descriptions as $type => $question_type_description) {
+			if ($type == 'HTML_TEXTAREA') {
+				$html = new EE_Simple_HTML_Validation_Strategy();
+				$question_type_description .= sprintf(
+					esc_html__('%1$s(allowed tags: %2$s)', 'event_espresso'),
+					'<br/>',
+					$html->get_list_of_allowed_tags()
+				);
+			}
+			$descriptions .= EEH_HTML::p(
+				$question_type_description,
+				'question_type_description-' . $type,
+				'question_type_description description',
+				'display:none;'
+			);
+		}
+		return $descriptions;
+	}
+
+
+	/**
+	 * @param bool|true $new_question
+	 * @throws \EE_Error
+	 */
+	protected function _insert_or_update_question($new_question = true)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$set_column_values = $this->_set_column_values_for($this->_question_model);
+		if ($new_question) {
+			$question = EE_Question::new_instance($set_column_values);
+			$action_desc = 'added';
+		} else {
+			$question     = EEM_Question::instance()->get_one_by_ID(absint($this->_req_data['QST_ID']));
+			foreach($set_column_values as $field => $new_value) {
+				$question->set($field, $new_value);
+			}
+			$action_desc = 'updated';
+		}
+		$success = $question->save();
+		$ID = $question->ID();
+		if ($ID && $question->should_have_question_options()) {
+			//save the related options
+			//trash removed options, save old ones
+			//get list of all options
+			$options  = $question->options();
+			if (! empty($options)) {
+				foreach ($options as $option_ID => $option) {
+					$option_req_index = $this->_get_option_req_data_index($option_ID);
+					if ($option_req_index !== false) {
+						$option->save($this->_req_data['question_options'][$option_req_index]);
+					} else {
+						//not found, remove it
+						$option->delete();
+					}
+				}
+			}
+			//save new related options
+			foreach ($this->_req_data['question_options'] as $index => $option_req_data) {
+				//skip $index that is from our sample
+				if ( $index === 'xxcountxx' ) {
+					continue;
+				}
+				//note we allow saving blank options.
+				if (empty($option_req_data['QSO_ID'])
+				) {//no ID! save it!
+					$new_option = EE_Question_Option::new_instance(array(
+						'QSO_value' => $option_req_data['QSO_value'],
+						'QSO_desc'  => $option_req_data['QSO_desc'],
+						'QSO_order' => $option_req_data['QSO_order'],
+						'QST_ID'    => $question->ID(),
+					));
+					$new_option->save();
+				}
+			}
+		}
+		$query_args = array('action' => 'edit_question', 'QST_ID' => $ID);
+		if ($success !== false) {
+			$msg = $new_question ? sprintf(esc_html__('The %s has been created', 'event_espresso'),
+				$this->_question_model->item_name()) : sprintf(esc_html__('The %s has been updated', 'event_espresso'),
+				$this->_question_model->item_name());
+			EE_Error::add_success($msg);
+		}
+
+		$this->_redirect_after_action(false, '', $action_desc, $query_args, true);
+	}
+
+
+	/**
+	 * Upon saving a question, there should be an array of 'question_options'. This array is index numerically, but not
+	 * by ID
+	 * (this is done because new question options don't have an ID, but we may want to add multiple simultaneously).
+	 * So, this function gets the index in that request data array called question_options. Returns FALSE if not found.
+	 *
+	 * @param int $ID of the question option to find
+	 * @return int index in question_options array if successful, FALSE if unsuccessful
+	 */
+	protected function _get_option_req_data_index($ID)
+	{
+		$req_data_for_question_options = $this->_req_data['question_options'];
+		foreach ($req_data_for_question_options as $num => $option_data) {
+			if (array_key_exists('QSO_ID', $option_data) && (int)$option_data['QSO_ID'] === $ID) {
+				return $num;
+			}
+		}
+		return false;
+	}
+
+
+
+
+	/***********/
+	/* QUERIES */
+	/**
+	 * For internal use in getting all the query parameters
+	 * (because it's pretty well the same between question, question groups,
+	 * and for both when searching for trashed and untrashed ones)
+	 *
+	 * @param EEM_Base $model either EEM_Question or EEM_Question_Group
+	 * @param int      $per_page
+	 * @param int      $current_page
+	 * @return array lik EEM_Base::get_all's $query_params parameter
+	 */
+	protected function get_query_params($model, $per_page = 10, $current_page = 10)
+	{
+		$query_params             = array();
+		$offset                   = ($current_page - 1) * $per_page;
+		$query_params['limit']    = array($offset, $per_page);
+		$order                    = (isset($this->_req_data['order']) && ! empty($this->_req_data['order'])) ? $this->_req_data['order'] : 'ASC';
+		$orderby_field            = $model instanceof EEM_Question ? 'QST_ID' : 'QSG_order';
+		$field_to_order_by        = empty($this->_req_data['orderby']) ? $orderby_field : $this->_req_data['orderby'];
+		$query_params['order_by'] = array($field_to_order_by => $order);
+		$search_string            = array_key_exists('s', $this->_req_data) ? $this->_req_data['s'] : null;
+		if (! empty($search_string)) {
+			if ($model instanceof EEM_Question_Group) {
+				$query_params[0] = array(
+					'OR' => array(
+						'QSG_name' => array('LIKE', "%$search_string%"),
+						'QSG_desc' => array('LIKE', "%$search_string%"),
+					),
+				);
+			} else {
+				$query_params[0] = array(
+					'QST_display_text' => array('LIKE', "%$search_string%"),
+				);
+			}
+		}
+
+		//capability checks (just leaving this commented out for reference because it illustrates some complicated query params that could be useful when fully implemented)
+		/*if ( $model instanceof EEM_Question_Group ) {
             if ( ! EE_Registry::instance()->CAP->current_user_can( 'edit_others_question_groups', 'espresso_registration_form_edit_question_group' ) ) {
                 $query_params[0] = array(
                     'AND' => array(
@@ -647,62 +647,62 @@ 
             }
         }/**/
 
-        return $query_params;
-
-    }
-
-
-    /**
-     * @param int        $per_page
-     * @param int        $current_page
-     * @param bool|false $count
-     * @return \EE_Soft_Delete_Base_Class[]|int
-     */
-    public function get_questions($per_page = 10, $current_page = 1, $count = false)
-    {
-        $QST          = EEM_Question::instance();
-        $query_params = $this->get_query_params($QST, $per_page, $current_page);
-        if ($count) {
-            $where   = isset($query_params[0]) ? array($query_params[0]) : array();
-            $results = $QST->count($where);
-        } else {
-            $results = $QST->get_all($query_params);
-        }
-        return $results;
-
-    }
-
-
-    /**
-     * @param            $per_page
-     * @param int        $current_page
-     * @param bool|false $count
-     * @return \EE_Soft_Delete_Base_Class[]|int
-     */
-    public function get_trashed_questions($per_page, $current_page = 1, $count = false)
-    {
-        $query_params = $this->get_query_params(EEM_Question::instance(), $per_page, $current_page);
-        $where        = isset($query_params[0]) ? array($query_params[0]) : array();
-        $questions    = $count ? EEM_Question::instance()->count_deleted($where) : EEM_Question::instance()->get_all_deleted($query_params);
-        return $questions;
-    }
-
-
-    /**
-     * @param            $per_page
-     * @param int        $current_page
-     * @param bool|false $count
-     * @return \EE_Soft_Delete_Base_Class[]
-     */
-    public function get_question_groups($per_page, $current_page = 1, $count = false)
-    {
-        /** @type EEM_Question_Group $questionGroupModel */
-        $questionGroupModel = EEM_Question_Group::instance();
-        //note: this a subclass of EEM_Soft_Delete_Base, so this is actually only getting non-trashed items
-        return $questionGroupModel->get_all(
-            $this->get_query_params($questionGroupModel, $per_page, $current_page)
-        );
-    }
+		return $query_params;
+
+	}
+
+
+	/**
+	 * @param int        $per_page
+	 * @param int        $current_page
+	 * @param bool|false $count
+	 * @return \EE_Soft_Delete_Base_Class[]|int
+	 */
+	public function get_questions($per_page = 10, $current_page = 1, $count = false)
+	{
+		$QST          = EEM_Question::instance();
+		$query_params = $this->get_query_params($QST, $per_page, $current_page);
+		if ($count) {
+			$where   = isset($query_params[0]) ? array($query_params[0]) : array();
+			$results = $QST->count($where);
+		} else {
+			$results = $QST->get_all($query_params);
+		}
+		return $results;
+
+	}
+
+
+	/**
+	 * @param            $per_page
+	 * @param int        $current_page
+	 * @param bool|false $count
+	 * @return \EE_Soft_Delete_Base_Class[]|int
+	 */
+	public function get_trashed_questions($per_page, $current_page = 1, $count = false)
+	{
+		$query_params = $this->get_query_params(EEM_Question::instance(), $per_page, $current_page);
+		$where        = isset($query_params[0]) ? array($query_params[0]) : array();
+		$questions    = $count ? EEM_Question::instance()->count_deleted($where) : EEM_Question::instance()->get_all_deleted($query_params);
+		return $questions;
+	}
+
+
+	/**
+	 * @param            $per_page
+	 * @param int        $current_page
+	 * @param bool|false $count
+	 * @return \EE_Soft_Delete_Base_Class[]
+	 */
+	public function get_question_groups($per_page, $current_page = 1, $count = false)
+	{
+		/** @type EEM_Question_Group $questionGroupModel */
+		$questionGroupModel = EEM_Question_Group::instance();
+		//note: this a subclass of EEM_Soft_Delete_Base, so this is actually only getting non-trashed items
+		return $questionGroupModel->get_all(
+			$this->get_query_params($questionGroupModel, $per_page, $current_page)
+		);
+	}
 
 
 } //ends Registration_Form_Admin_Page class

Spacing +27 added lines, -27 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if (! defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('NO direct script access allowed');
 }
 
@@ -66,8 +66,8 @@ 
      */
     public function __construct($routing = true)
     {
-        require_once(EE_MODELS . 'EEM_Question.model.php');
-        require_once(EE_MODELS . 'EEM_Question_Group.model.php');
+        require_once(EE_MODELS.'EEM_Question.model.php');
+        require_once(EE_MODELS.'EEM_Question_Group.model.php');
         $this->_question_model       = EEM_Question::instance();
         $this->_question_group_model = EEM_Question_Group::instance();
         parent::__construct($routing);
@@ -232,7 +232,7 @@ 
     public function load_scripts_styles()
     {
         wp_register_style('espresso_registration',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.css', array(), EVENT_ESPRESSO_VERSION);
+            REGISTRATION_FORM_ASSETS_URL.'espresso_registration_form_admin.css', array(), EVENT_ESPRESSO_VERSION);
         wp_enqueue_style('espresso_registration');
     }
 
@@ -258,7 +258,7 @@ 
     {
         $this->load_scripts_styles_forms();
         wp_register_script('espresso_registration_form_single',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
+            REGISTRATION_FORM_ASSETS_URL.'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
             EVENT_ESPRESSO_VERSION, true);
         wp_enqueue_script('espresso_registration_form_single');
     }
@@ -267,7 +267,7 @@ 
     {
         $this->load_scripts_styles_forms();
         wp_register_script('espresso_registration_form_single',
-            REGISTRATION_FORM_ASSETS_URL . 'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
+            REGISTRATION_FORM_ASSETS_URL.'espresso_registration_form_admin.js', array('jquery-ui-sortable'),
             EVENT_ESPRESSO_VERSION, true);
         wp_enqueue_script('espresso_registration_form_single');
     }
@@ -275,7 +275,7 @@ 
 
     public function recaptcha_info_help_tab()
     {
-        $template = REGISTRATION_FORM_TEMPLATE_PATH . 'recaptcha_info_help_tab.template.php';
+        $template = REGISTRATION_FORM_TEMPLATE_PATH.'recaptcha_info_help_tab.template.php';
         EEH_Template::display_template($template, array());
     }
 
@@ -324,10 +324,10 @@ 
     protected function _questions_groups_preview()
     {
         $this->_admin_page_title              = esc_html__('Question Groups (Preview)', 'event_espresso');
-        $this->_template_args['preview_img']  = '<img src="' . REGISTRATION_FORM_ASSETS_URL . 'caf_reg_form_preview.jpg" alt="' . esc_attr__('Preview Question Groups Overview List Table screenshot',
-                'event_espresso') . '" />';
-        $this->_template_args['preview_text'] = '<strong>' . esc_html__('Question Groups is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Question Groups feature you are able to create new question groups, edit existing question groups, and create and edit new questions and add them to question groups.',
-                'event_espresso') . '</strong>';
+        $this->_template_args['preview_img']  = '<img src="'.REGISTRATION_FORM_ASSETS_URL.'caf_reg_form_preview.jpg" alt="'.esc_attr__('Preview Question Groups Overview List Table screenshot',
+                'event_espresso').'" />';
+        $this->_template_args['preview_text'] = '<strong>'.esc_html__('Question Groups is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Question Groups feature you are able to create new question groups, edit existing question groups, and create and edit new questions and add them to question groups.',
+                'event_espresso').'</strong>';
         $this->display_admin_caf_preview_page('question_groups_tab');
     }
 
@@ -345,20 +345,20 @@ 
 
         //some initial checks for proper values.
         //if QST_admin_only, then no matter what QST_required is we disable.
-        if (! empty($this->_req_data['QST_admin_only'])) {
+        if ( ! empty($this->_req_data['QST_admin_only'])) {
             $this->_req_data['QST_required'] = 0;
         }
         foreach ($model->field_settings() as $fieldName => $settings) {
             // basically if QSG_identifier is empty or not set
             if ($fieldName === 'QSG_identifier' && (isset($this->_req_data['QSG_identifier']) && empty($this->_req_data['QSG_identifier']))) {
                 $QSG_name                      = isset($this->_req_data['QSG_name']) ? $this->_req_data['QSG_name'] : '';
-                $set_column_values[$fieldName] = sanitize_title($QSG_name) . '-' . uniqid('', true);
+                $set_column_values[$fieldName] = sanitize_title($QSG_name).'-'.uniqid('', true);
 //				dd($set_column_values);
             } //if the admin label is blank, use a slug version of the question text
             else if ($fieldName === 'QST_admin_label' && (isset($this->_req_data['QST_admin_label']) && empty($this->_req_data['QST_admin_label']))) {
                 $QST_text                      = isset($this->_req_data['QST_display_text']) ? $this->_req_data['QST_display_text'] : '';
                 $set_column_values[$fieldName] = sanitize_title(wp_trim_words($QST_text, 10));
-            } else if ($fieldName === 'QST_admin_only' && (! isset($this->_req_data['QST_admin_only']))) {
+            } else if ($fieldName === 'QST_admin_only' && ( ! isset($this->_req_data['QST_admin_only']))) {
                 $set_column_values[$fieldName] = 0;
             } else if ($fieldName === 'QST_max') {
                 $qst_system = EEM_Question::instance()->get_var(
@@ -368,7 +368,7 @@ 
                         ),
                     ),
                     'QST_system');
-                $max_max    = EEM_Question::instance()->absolute_max_for_system_question($qst_system);
+                $max_max = EEM_Question::instance()->absolute_max_for_system_question($qst_system);
                 if (empty($this->_req_data['QST_max']) ||
                     $this->_req_data['QST_max'] > $max_max
                 ) {
@@ -386,7 +386,7 @@ 
             }
 
         }
-        return $set_column_values;//validation fo this data to be performed by the model before insertion.
+        return $set_column_values; //validation fo this data to be performed by the model before insertion.
     }
 
 
@@ -420,7 +420,7 @@ 
         }
 
         // add PRC_ID to title if editing
-        $this->_admin_page_title = $ID ? $this->_admin_page_title . ' # ' . $ID : $this->_admin_page_title;
+        $this->_admin_page_title = $ID ? $this->_admin_page_title.' # '.$ID : $this->_admin_page_title;
         if ($ID) {
             $question                 = $this->_question_model->get_one_by_ID($ID);
             $additional_hidden_fields = array('QST_ID' => array('type' => 'hidden', 'value' => $ID));
@@ -430,7 +430,7 @@ 
             $question->set_order_to_latest();
             $this->_set_add_edit_form_tags('insert_question');
         }
-        if( $question->system_ID() === EEM_Attendee::system_question_phone ){
+        if ($question->system_ID() === EEM_Attendee::system_question_phone) {
             $question_types = array_intersect_key(
                 EEM_Question::instance()->allowed_question_types(),
                 array_flip(
@@ -452,7 +452,7 @@ 
         $this->_template_args['question_type_descriptions'] = $this->_get_question_type_descriptions();
         $this->_set_publish_post_box_vars('id', $ID);
         $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            REGISTRATION_FORM_TEMPLATE_PATH . 'questions_main_meta_box.template.php',
+            REGISTRATION_FORM_TEMPLATE_PATH.'questions_main_meta_box.template.php',
             $this->_template_args, true
         );
 
@@ -480,7 +480,7 @@ 
             }
             $descriptions .= EEH_HTML::p(
                 $question_type_description,
-                'question_type_description-' . $type,
+                'question_type_description-'.$type,
                 'question_type_description description',
                 'display:none;'
             );
@@ -501,8 +501,8 @@ 
             $question = EE_Question::new_instance($set_column_values);
             $action_desc = 'added';
         } else {
-            $question     = EEM_Question::instance()->get_one_by_ID(absint($this->_req_data['QST_ID']));
-            foreach($set_column_values as $field => $new_value) {
+            $question = EEM_Question::instance()->get_one_by_ID(absint($this->_req_data['QST_ID']));
+            foreach ($set_column_values as $field => $new_value) {
                 $question->set($field, $new_value);
             }
             $action_desc = 'updated';
@@ -513,8 +513,8 @@ 
             //save the related options
             //trash removed options, save old ones
             //get list of all options
-            $options  = $question->options();
-            if (! empty($options)) {
+            $options = $question->options();
+            if ( ! empty($options)) {
                 foreach ($options as $option_ID => $option) {
                     $option_req_index = $this->_get_option_req_data_index($option_ID);
                     if ($option_req_index !== false) {
@@ -528,7 +528,7 @@ 
             //save new related options
             foreach ($this->_req_data['question_options'] as $index => $option_req_data) {
                 //skip $index that is from our sample
-                if ( $index === 'xxcountxx' ) {
+                if ($index === 'xxcountxx') {
                     continue;
                 }
                 //note we allow saving blank options.
@@ -569,7 +569,7 @@ 
     {
         $req_data_for_question_options = $this->_req_data['question_options'];
         foreach ($req_data_for_question_options as $num => $option_data) {
-            if (array_key_exists('QSO_ID', $option_data) && (int)$option_data['QSO_ID'] === $ID) {
+            if (array_key_exists('QSO_ID', $option_data) && (int) $option_data['QSO_ID'] === $ID) {
                 return $num;
             }
         }
@@ -601,7 +601,7 @@ 
         $field_to_order_by        = empty($this->_req_data['orderby']) ? $orderby_field : $this->_req_data['orderby'];
         $query_params['order_by'] = array($field_to_order_by => $order);
         $search_string            = array_key_exists('s', $this->_req_data) ? $this->_req_data['s'] : null;
-        if (! empty($search_string)) {
+        if ( ! empty($search_string)) {
             if ($model instanceof EEM_Question_Group) {
                 $query_params[0] = array(
                     'OR' => array(

modules/messages/EED_Messages.module.php

Indentation +1239 added lines, -1239 removed lines

@@ -18,1254 +18,1254 @@
 class EED_Messages extends EED_Module
 {
 
-    /**
-     * This holds the EE_messages controller
-     *
-     * @deprecated 4.9.0
-     * @var EE_messages $_EEMSG
-     */
-    protected static $_EEMSG;
-
-    /**
-     * @type EE_Message_Resource_Manager $_message_resource_manager
-     */
-    protected static $_message_resource_manager;
-
-    /**
-     * This holds the EE_Messages_Processor business class.
-     *
-     * @type EE_Messages_Processor
-     */
-    protected static $_MSG_PROCESSOR;
-
-    /**
-     * holds all the paths for various messages components.
-     * Utilized by autoloader registry
-     *
-     * @var array
-     */
-    protected static $_MSG_PATHS;
-
-
-    /**
-     * This will hold an array of messages template packs that are registered in the messages system.
-     * Format is:
-     * array(
-     *    'template_pack_dbref' => EE_Messages_Template_Pack (instance)
-     * )
-     *
-     * @var EE_Messages_Template_Pack[]
-     */
-    protected static $_TMP_PACKS = array();
-
-
-    /**
-     * @return EED_Messages
-     */
-    public static function instance()
-    {
-        return parent::get_instance(__CLASS__);
-    }
-
-
-    /**
-     *  set_hooks - for hooking into EE Core, other modules, etc
-     *
-     * @since 4.5.0
-     * @return    void
-     */
-    public static function set_hooks()
-    {
-        //actions
-        add_action('AHEE__EE_Payment_Processor__update_txn_based_on_payment', array('EED_Messages', 'payment'), 10, 2);
-        add_action('AHEE__EE_Registration_Processor__trigger_registration_update_notifications',
-            array('EED_Messages', 'maybe_registration'), 10, 2);
-        //filters
-        add_filter('FHEE__EE_Registration__receipt_url__receipt_url',
-            array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
-        add_filter('FHEE__EE_Registration__invoice_url__invoice_url',
-            array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
-        //register routes
-        self::_register_routes();
-    }
-
-    /**
-     *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function set_hooks_admin()
-    {
-        //actions
-        add_action('AHEE__EE_Payment_Processor__update_txn_based_on_payment', array('EED_Messages', 'payment'), 10, 2);
-        add_action('AHEE__Transactions_Admin_Page___send_payment_reminder__process_admin_payment_reminder',
-            array('EED_Messages', 'payment_reminder'), 10);
-        add_action('AHEE__EE_Registration_Processor__trigger_registration_update_notifications',
-            array('EED_Messages', 'maybe_registration'), 10, 3);
-        add_action('AHEE__Extend_Registrations_Admin_Page___newsletter_selected_send__with_registrations',
-            array('EED_Messages', 'send_newsletter_message'), 10, 2);
-        add_action('AHEE__EES_Espresso_Cancelled__process_shortcode__transaction',
-            array('EED_Messages', 'cancelled_registration'), 10);
-        add_action('AHEE__EE_Admin_Page___process_admin_payment_notification',
-            array('EED_Messages', 'process_admin_payment'), 10, 1);
-        //filters
-        add_filter('FHEE__EE_Admin_Page___process_resend_registration__success',
-            array('EED_Messages', 'process_resend'), 10, 2);
-        add_filter('FHEE__EE_Registration__receipt_url__receipt_url',
-            array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
-        add_filter('FHEE__EE_Registration__invoice_url__invoice_url',
-            array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
-    }
-
-
-    /**
-     * All the message triggers done by route go in here.
-     *
-     * @since 4.5.0
-     * @return void
-     */
-    protected static function _register_routes()
-    {
-        EE_Config::register_route('msg_url_trigger', 'Messages', 'run');
-        EE_Config::register_route('msg_cron_trigger', 'Messages', 'execute_batch_request');
-        EE_Config::register_route('msg_browser_trigger', 'Messages', 'browser_trigger');
-        EE_Config::register_route('msg_browser_error_trigger', 'Messages', 'browser_error_trigger');
-        do_action('AHEE__EED_Messages___register_routes');
-    }
-
-
-    /**
-     * This is called when a browser display trigger is executed.
-     * The browser display trigger is typically used when a already generated message is displayed directly in the
-     * browser.
-     *
-     * @since 4.9.0
-     * @param WP $WP
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function browser_trigger($WP)
-    {
-        //ensure controller is loaded
-        self::_load_controller();
-        $token = EE_Registry::instance()->REQ->get('token');
-        try {
-            $mtg = new EE_Message_Generated_From_Token($token, 'html', self::$_message_resource_manager);
-            self::$_MSG_PROCESSOR->generate_and_send_now($mtg);
-        } catch (EE_Error $e) {
-            $error_msg = __('Please note that a system message failed to send due to a technical issue.',
-                'event_espresso');
-            // add specific message for developers if WP_DEBUG in on
-            $error_msg .= '||' . $e->getMessage();
-            EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-    /**
-     * This is called when a browser error trigger is executed.
-     * When triggered this will grab the EE_Message matching the token in the request and use that to get the error
-     * message and display it.
-     *
-     * @since 4.9.0
-     * @param $WP
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function browser_error_trigger($WP)
-    {
-        $token = EE_Registry::instance()->REQ->get('token');
-        if ($token) {
-            $message = EEM_Message::instance()->get_one_by_token($token);
-            if ($message instanceof EE_Message) {
-                header('HTTP/1.1 200 OK');
-                $error_msg = nl2br($message->error_message());
-                ?>
+	/**
+	 * This holds the EE_messages controller
+	 *
+	 * @deprecated 4.9.0
+	 * @var EE_messages $_EEMSG
+	 */
+	protected static $_EEMSG;
+
+	/**
+	 * @type EE_Message_Resource_Manager $_message_resource_manager
+	 */
+	protected static $_message_resource_manager;
+
+	/**
+	 * This holds the EE_Messages_Processor business class.
+	 *
+	 * @type EE_Messages_Processor
+	 */
+	protected static $_MSG_PROCESSOR;
+
+	/**
+	 * holds all the paths for various messages components.
+	 * Utilized by autoloader registry
+	 *
+	 * @var array
+	 */
+	protected static $_MSG_PATHS;
+
+
+	/**
+	 * This will hold an array of messages template packs that are registered in the messages system.
+	 * Format is:
+	 * array(
+	 *    'template_pack_dbref' => EE_Messages_Template_Pack (instance)
+	 * )
+	 *
+	 * @var EE_Messages_Template_Pack[]
+	 */
+	protected static $_TMP_PACKS = array();
+
+
+	/**
+	 * @return EED_Messages
+	 */
+	public static function instance()
+	{
+		return parent::get_instance(__CLASS__);
+	}
+
+
+	/**
+	 *  set_hooks - for hooking into EE Core, other modules, etc
+	 *
+	 * @since 4.5.0
+	 * @return    void
+	 */
+	public static function set_hooks()
+	{
+		//actions
+		add_action('AHEE__EE_Payment_Processor__update_txn_based_on_payment', array('EED_Messages', 'payment'), 10, 2);
+		add_action('AHEE__EE_Registration_Processor__trigger_registration_update_notifications',
+			array('EED_Messages', 'maybe_registration'), 10, 2);
+		//filters
+		add_filter('FHEE__EE_Registration__receipt_url__receipt_url',
+			array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
+		add_filter('FHEE__EE_Registration__invoice_url__invoice_url',
+			array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
+		//register routes
+		self::_register_routes();
+	}
+
+	/**
+	 *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function set_hooks_admin()
+	{
+		//actions
+		add_action('AHEE__EE_Payment_Processor__update_txn_based_on_payment', array('EED_Messages', 'payment'), 10, 2);
+		add_action('AHEE__Transactions_Admin_Page___send_payment_reminder__process_admin_payment_reminder',
+			array('EED_Messages', 'payment_reminder'), 10);
+		add_action('AHEE__EE_Registration_Processor__trigger_registration_update_notifications',
+			array('EED_Messages', 'maybe_registration'), 10, 3);
+		add_action('AHEE__Extend_Registrations_Admin_Page___newsletter_selected_send__with_registrations',
+			array('EED_Messages', 'send_newsletter_message'), 10, 2);
+		add_action('AHEE__EES_Espresso_Cancelled__process_shortcode__transaction',
+			array('EED_Messages', 'cancelled_registration'), 10);
+		add_action('AHEE__EE_Admin_Page___process_admin_payment_notification',
+			array('EED_Messages', 'process_admin_payment'), 10, 1);
+		//filters
+		add_filter('FHEE__EE_Admin_Page___process_resend_registration__success',
+			array('EED_Messages', 'process_resend'), 10, 2);
+		add_filter('FHEE__EE_Registration__receipt_url__receipt_url',
+			array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
+		add_filter('FHEE__EE_Registration__invoice_url__invoice_url',
+			array('EED_Messages', 'registration_message_trigger_url'), 10, 4);
+	}
+
+
+	/**
+	 * All the message triggers done by route go in here.
+	 *
+	 * @since 4.5.0
+	 * @return void
+	 */
+	protected static function _register_routes()
+	{
+		EE_Config::register_route('msg_url_trigger', 'Messages', 'run');
+		EE_Config::register_route('msg_cron_trigger', 'Messages', 'execute_batch_request');
+		EE_Config::register_route('msg_browser_trigger', 'Messages', 'browser_trigger');
+		EE_Config::register_route('msg_browser_error_trigger', 'Messages', 'browser_error_trigger');
+		do_action('AHEE__EED_Messages___register_routes');
+	}
+
+
+	/**
+	 * This is called when a browser display trigger is executed.
+	 * The browser display trigger is typically used when a already generated message is displayed directly in the
+	 * browser.
+	 *
+	 * @since 4.9.0
+	 * @param WP $WP
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function browser_trigger($WP)
+	{
+		//ensure controller is loaded
+		self::_load_controller();
+		$token = EE_Registry::instance()->REQ->get('token');
+		try {
+			$mtg = new EE_Message_Generated_From_Token($token, 'html', self::$_message_resource_manager);
+			self::$_MSG_PROCESSOR->generate_and_send_now($mtg);
+		} catch (EE_Error $e) {
+			$error_msg = __('Please note that a system message failed to send due to a technical issue.',
+				'event_espresso');
+			// add specific message for developers if WP_DEBUG in on
+			$error_msg .= '||' . $e->getMessage();
+			EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+	/**
+	 * This is called when a browser error trigger is executed.
+	 * When triggered this will grab the EE_Message matching the token in the request and use that to get the error
+	 * message and display it.
+	 *
+	 * @since 4.9.0
+	 * @param $WP
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function browser_error_trigger($WP)
+	{
+		$token = EE_Registry::instance()->REQ->get('token');
+		if ($token) {
+			$message = EEM_Message::instance()->get_one_by_token($token);
+			if ($message instanceof EE_Message) {
+				header('HTTP/1.1 200 OK');
+				$error_msg = nl2br($message->error_message());
+				?>
                 <!DOCTYPE html>
                 <html>
                 <head></head>
                 <body>
                 <?php echo empty($error_msg)
-                    ? esc_html__('Unfortunately, we were unable to capture the error message for this message.',
-                        'event_espresso')
-                    : wp_kses(
-                        $error_msg,
-                        array(
-                            'a'      => array(
-                                'href'  => array(),
-                                'title' => array(),
-                            ),
-                            'span'   => array(),
-                            'div'    => array(),
-                            'p'      => array(),
-                            'strong' => array(),
-                            'em'     => array(),
-                            'br'     => array(),
-                        )
-                    ); ?>
+					? esc_html__('Unfortunately, we were unable to capture the error message for this message.',
+						'event_espresso')
+					: wp_kses(
+						$error_msg,
+						array(
+							'a'      => array(
+								'href'  => array(),
+								'title' => array(),
+							),
+							'span'   => array(),
+							'div'    => array(),
+							'p'      => array(),
+							'strong' => array(),
+							'em'     => array(),
+							'br'     => array(),
+						)
+					); ?>
                 </body>
                 </html>
                 <?php
-                exit;
-            }
-        }
-        return;
-    }
-
-
-    /**
-     *  This runs when the msg_url_trigger route has initiated.
-     *
-     * @since 4.5.0
-     * @param WP $WP
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function run($WP)
-    {
-        //ensure controller is loaded
-        self::_load_controller();
-        // attempt to process message
-        try {
-            /** @type EE_Message_To_Generate_From_Request $message_to_generate */
-            $message_to_generate = EE_Registry::instance()->load_lib('Message_To_Generate_From_Request');
-            self::$_MSG_PROCESSOR->generate_and_send_now($message_to_generate);
-        } catch (EE_Error $e) {
-            $error_msg = __('Please note that a system message failed to send due to a technical issue.',
-                'event_espresso');
-            // add specific message for developers if WP_DEBUG in on
-            $error_msg .= '||' . $e->getMessage();
-            EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-    /**
-     * This is triggered by the 'msg_cron_trigger' route.
-     *
-     * @param WP $WP
-     */
-    public function execute_batch_request($WP)
-    {
-        $this->run_cron();
-        header('HTTP/1.1 200 OK');
-        exit();
-    }
-
-
-    /**
-     * This gets executed on wp_cron jobs or when a batch request is initiated on its own separate non regular wp
-     * request.
-     */
-    public function run_cron()
-    {
-        self::_load_controller();
-        //get required vars
-        $cron_type     = EE_Registry::instance()->REQ->get('type');
-        $transient_key = EE_Registry::instance()->REQ->get('key');
-
-        //now let's verify transient, if not valid exit immediately
-        if (! get_transient($transient_key)) {
-            /**
-             * trigger error so this gets in the error logs.  This is important because it happens on a non-user
-             * request.
-             */
-            trigger_error(esc_attr__('Invalid Request (Transient does not exist)', 'event_espresso'));
-        }
-
-        //if made it here, lets' delete the transient to keep the db clean
-        delete_transient($transient_key);
-
-        if (apply_filters('FHEE__EED_Messages__run_cron__use_wp_cron', true)) {
-
-            $method = 'batch_' . $cron_type . '_from_queue';
-            if (method_exists(self::$_MSG_PROCESSOR, $method)) {
-                self::$_MSG_PROCESSOR->$method();
-            } else {
-                //no matching task
-                /**
-                 * trigger error so this gets in the error logs.  This is important because it happens on a non user
-                 * request.
-                 */
-                trigger_error(esc_attr(sprintf(__('There is no task corresponding to this route %s', 'event_espresso'),
-                    $cron_type)));
-            }
-        }
-
-        do_action('FHEE__EED_Messages__run_cron__end');
-    }
-
-
-    /**
-     * This is used to retrieve the template pack for the given name.
-     * Retrieved packs are cached on the static $_TMP_PACKS array.  If there is no class matching the given name then
-     * the default template pack is returned.
-     *
-     * @deprecated 4.9.0  @see EEH_MSG_Template::get_template_pack()
-     * @param string $template_pack_name This should correspond to the dbref of the template pack (which is also used
-     *                                   in generating the Pack class name).
-     * @return EE_Messages_Template_Pack
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_template_pack($template_pack_name)
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        return EEH_MSG_Template::get_template_pack($template_pack_name);
-    }
-
-
-    /**
-     * Retrieves an array of all template packs.
-     * Array is in the format array( 'dbref' => EE_Messages_Template_Pack )
-     *
-     * @deprecated 4.9.0  @see EEH_MSG_Template_Pack::get_template_pack_collection
-     * @return EE_Messages_Template_Pack[]
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_template_packs()
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-
-        //for backward compat, let's make sure this returns in the same format as originally.
-        $template_pack_collection = EEH_MSG_Template::get_template_pack_collection();
-        $template_pack_collection->rewind();
-        $template_packs = array();
-        while ($template_pack_collection->valid()) {
-            $template_packs[$template_pack_collection->current()->dbref] = $template_pack_collection->current();
-            $template_pack_collection->next();
-        }
-        return $template_packs;
-    }
-
-
-    /**
-     * This simply makes sure the autoloaders are registered for the EE_messages system.
-     *
-     * @since 4.5.0
-     * @return void
-     * @throws EE_Error
-     */
-    public static function set_autoloaders()
-    {
-        if (empty(self::$_MSG_PATHS)) {
-            self::_set_messages_paths();
-            foreach (self::$_MSG_PATHS as $path) {
-                EEH_Autoloader::register_autoloaders_for_each_file_in_folder($path);
-            }
-            // add aliases
-            EEH_Autoloader::add_alias('EE_messages', 'EE_messages');
-            EEH_Autoloader::add_alias('EE_messenger', 'EE_messenger');
-        }
-    }
-
-
-    /**
-     * Take care of adding all the paths for the messages components to the $_MSG_PATHS property
-     * for use by the Messages Autoloaders
-     *
-     * @since 4.5.0
-     * @return void.
-     */
-    protected static function _set_messages_paths()
-    {
-        $dir_ref = array(
-            'messages/message_type',
-            'messages/messenger',
-            'messages/defaults',
-            'messages/defaults/email',
-            'messages/data_class',
-            'messages/validators',
-            'messages/validators/email',
-            'messages/validators/html',
-            'shortcodes',
-        );
-        $paths   = array();
-        foreach ($dir_ref as $index => $dir) {
-            $paths[$index] = EE_LIBRARIES . $dir;
-        }
-        self::$_MSG_PATHS = apply_filters('FHEE__EED_Messages___set_messages_paths___MSG_PATHS', $paths);
-    }
-
-
-    /**
-     * Takes care of loading dependencies
-     *
-     * @since 4.5.0
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected static function _load_controller()
-    {
-        if (! self::$_MSG_PROCESSOR instanceof EE_Messages_Processor) {
-            EE_Registry::instance()->load_core('Request_Handler');
-            self::set_autoloaders();
-            self::$_EEMSG                    = EE_Registry::instance()->load_lib('messages');
-            self::$_MSG_PROCESSOR            = EE_Registry::instance()->load_lib('Messages_Processor');
-            self::$_message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        }
-    }
-
-
-    /**
-     * @param EE_Transaction $transaction
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function payment_reminder(EE_Transaction $transaction)
-    {
-        self::_load_controller();
-        $data = array($transaction, null);
-        self::$_MSG_PROCESSOR->generate_for_all_active_messengers('payment_reminder', $data);
-    }
-
-
-    /**
-     * Any messages triggers for after successful gateway payments should go in here.
-     *
-     * @param EE_Transaction $transaction object
-     * @param EE_Payment|null     $payment     object
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function payment(EE_Transaction $transaction, EE_Payment $payment = null)
-    {
-        //if there's no payment object, then we cannot do a payment type message!
-        if (! $payment instanceof EE_Payment) {
-            return;
-        }
-        self::_load_controller();
-        $data = array($transaction, $payment);
-        EE_Registry::instance()->load_helper('MSG_Template');
-        $message_type = EEH_MSG_Template::convert_payment_status_to_message_type($payment->STS_ID());
-        //if payment amount is less than 0 then switch to payment_refund message type.
-        $message_type = $payment->amount() < 0 ? 'payment_refund' : $message_type;
-        self::$_MSG_PROCESSOR->generate_for_all_active_messengers($message_type, $data);
-    }
-
-
-    /**
-     * @param EE_Transaction $transaction
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function cancelled_registration(EE_Transaction $transaction)
-    {
-        self::_load_controller();
-        $data = array($transaction, null);
-        self::$_MSG_PROCESSOR->generate_for_all_active_messengers('cancelled_registration', $data);
-    }
-
-
-
-    /**
-     * Trigger for Registration messages
-     * Note that what registration message type is sent depends on what the reg status is for the registrations on the
-     * incoming transaction.
-     *
-     * @param EE_Registration $registration
-     * @param array           $extra_details
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws EntityNotFoundException
-     */
-    public static function maybe_registration(EE_Registration $registration, $extra_details = array())
-    {
-
-        if (! self::_verify_registration_notification_send($registration, $extra_details)) {
-            //no messages please
-            return;
-        }
-
-        // get all non-trashed registrations so we make sure we send messages for the right status.
-        $all_registrations = $registration->transaction()->registrations(
-            array(
-                array('REG_deleted' => false),
-                'order_by' => array(
-                    'Event.EVT_name'     => 'ASC',
-                    'Attendee.ATT_lname' => 'ASC',
-                    'Attendee.ATT_fname' => 'ASC'
-                )
-            )
-        );
-        //cached array of statuses so we only trigger messages once per status.
-        $statuses_sent = array();
-        self::_load_controller();
-        $mtgs = array();
-
-        //loop through registrations and trigger messages once per status.
-        foreach ($all_registrations as $reg) {
-
-            //already triggered?
-            if (in_array($reg->status_ID(), $statuses_sent)) {
-                continue;
-            }
-
-            $message_type    = EEH_MSG_Template::convert_reg_status_to_message_type($reg->status_ID());
-            $mtgs            = array_merge(
-                    $mtgs,
-                    self::$_MSG_PROCESSOR->setup_mtgs_for_all_active_messengers(
-                            $message_type,
-                            array($registration->transaction(), null, $reg->status_ID())
-                    )
-            );
-            $statuses_sent[] = $reg->status_ID();
-        }
-
-        if (count($statuses_sent) > 1) {
-            $mtgs = array_merge(
-                $mtgs,
-                self::$_MSG_PROCESSOR->setup_mtgs_for_all_active_messengers(
-                    'registration_summary',
-                    array($registration->transaction(), null)
-                )
-            );
-        }
-
-        //batch queue and initiate request
-        self::$_MSG_PROCESSOR->batch_queue_for_generation_and_persist($mtgs);
-        self::$_MSG_PROCESSOR->get_queue()->initiate_request_by_priority();
-    }
-
-
-    /**
-     * This is a helper method used to very whether a registration notification should be sent or
-     * not.  Prevents duplicate notifications going out for registration context notifications.
-     *
-     * @param EE_Registration $registration  [description]
-     * @param array           $extra_details [description]
-     * @return bool          true = send away, false = nope halt the presses.
-     */
-    protected static function _verify_registration_notification_send(
-        EE_Registration $registration,
-        $extra_details = array()
-    ) {
-        //self::log(
-        //	__CLASS__, __FUNCTION__, __LINE__,
-        //	$registration->transaction(),
-        //	array( '$extra_details' => $extra_details )
-        //);
-        // currently only using this to send messages for the primary registrant
-        if (! $registration->is_primary_registrant()) {
-            return false;
-        }
-        // first we check if we're in admin and not doing front ajax
-        if (is_admin() && ! EE_FRONT_AJAX) {
-            //make sure appropriate admin params are set for sending messages
-            if (empty($_REQUEST['txn_reg_status_change']['send_notifications']) || ! absint($_REQUEST['txn_reg_status_change']['send_notifications'])) {
-                //no messages sent please.
-                return false;
-            }
-        } else {
-            // frontend request (either regular or via AJAX)
-            // TXN is NOT finalized ?
-            if (! isset($extra_details['finalized']) || $extra_details['finalized'] === false) {
-                return false;
-            }
-            // return visit but nothing changed ???
-            if (
-                isset($extra_details['revisit'], $extra_details['status_updates']) &&
-                $extra_details['revisit'] && ! $extra_details['status_updates']
-            ) {
-                return false;
-            }
-            // NOT sending messages && reg status is something other than "Not-Approved"
-            if (
-                ! apply_filters('FHEE__EED_Messages___maybe_registration__deliver_notifications', false) &&
-                $registration->status_ID() !== EEM_Registration::status_id_not_approved
-            ) {
-                return false;
-            }
-        }
-        // release the kraken
-        return true;
-    }
-
-
-    /**
-     * Simply returns an array indexed by Registration Status ID and the related message_type name associated with that
-     * status id.
-     *
-     * @deprecated 4.9.0  Use EEH_MSG_Template::reg_status_to_message_type_array()
-     *                    or EEH_MSG_Template::convert_reg_status_to_message_type
-     * @param string $reg_status
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected static function _get_reg_status_array($reg_status = '')
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        return EEH_MSG_Template::convert_reg_status_to_message_type($reg_status)
-            ? EEH_MSG_Template::convert_reg_status_to_message_type($reg_status)
-            : EEH_MSG_Template::reg_status_to_message_type_array();
-    }
-
-
-    /**
-     * Simply returns the payment message type for the given payment status.
-     *
-     * @deprecated 4.9.0 Use EEH_MSG_Template::payment_status_to_message_type_array
-     *                   or EEH_MSG_Template::convert_payment_status_to_message_type
-     * @param string $payment_status The payment status being matched.
-     * @return bool|string The payment message type slug matching the status or false if no match.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected static function _get_payment_message_type($payment_status)
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        return EEH_MSG_Template::convert_payment_status_to_message_type($payment_status)
-            ? EEH_MSG_Template::convert_payment_status_to_message_type($payment_status)
-            : false;
-    }
-
-
-    /**
-     * Message triggers for a resending already sent message(s) (via EE_Message list table)
-     *
-     * @access public
-     * @param array $req_data This is the $_POST & $_GET data sent from EE_Admin Pages
-     * @return bool success/fail
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function process_resend($req_data)
-    {
-        self::_load_controller();
-
-        //if $msgID in this request then skip to the new resend_message
-        if (EE_Registry::instance()->REQ->get('MSG_ID')) {
-            return self::resend_message();
-        }
-
-        //make sure any incoming request data is set on the REQ so that it gets picked up later.
-        $req_data = (array)$req_data;
-        foreach ($req_data as $request_key => $request_value) {
-            EE_Registry::instance()->REQ->set($request_key, $request_value);
-        }
-
-        if (! $messages_to_send = self::$_MSG_PROCESSOR->setup_messages_to_generate_from_registration_ids_in_request()) {
-            return false;
-        }
-
-        try {
-            self::$_MSG_PROCESSOR->batch_queue_for_generation_and_persist($messages_to_send);
-            self::$_MSG_PROCESSOR->get_queue()->initiate_request_by_priority();
-        } catch (EE_Error $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        EE_Error::add_success(
-            __('Messages have been successfully queued for generation and sending.', 'event_espresso')
-        );
-        return true; //everything got queued.
-    }
-
-
-    /**
-     * Message triggers for a resending already sent message(s) (via EE_Message list table)
-     *
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function resend_message()
-    {
-        self::_load_controller();
-
-        $msgID = EE_Registry::instance()->REQ->get('MSG_ID');
-        if (! $msgID) {
-            EE_Error::add_error(__('Something went wrong because there is no "MSG_ID" value in the request',
-                'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-
-        self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send((array)$msgID);
-
-        //setup success message.
-        $count_ready_for_resend = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
-        EE_Error::add_success(sprintf(
-            _n(
-                'There was %d message queued for resending.',
-                'There were %d messages queued for resending.',
-                $count_ready_for_resend,
-                'event_espresso'
-            ),
-            $count_ready_for_resend
-        ));
-        return true;
-    }
-
-
-    /**
-     * Message triggers for manual payment applied by admin
-     *
-     * @param  EE_Payment $payment EE_payment object
-     * @return bool success/fail
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function process_admin_payment(EE_Payment $payment)
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        //we need to get the transaction object
-        $transaction = $payment->transaction();
-        if ($transaction instanceof EE_Transaction) {
-            $data         = array($transaction, $payment);
-            $message_type = EEH_MSG_Template::convert_payment_status_to_message_type($payment->STS_ID());
-
-            //if payment amount is less than 0 then switch to payment_refund message type.
-            $message_type = $payment->amount() < 0 ? 'payment_refund' : $message_type;
-
-            //if payment_refund is selected, but the status is NOT accepted.  Then change message type to false so NO message notification goes out.
-            $message_type = $message_type == 'payment_refund' && $payment->STS_ID() != EEM_Payment::status_id_approved ? false : $message_type;
-
-            self::_load_controller();
-
-            self::$_MSG_PROCESSOR->generate_for_all_active_messengers($message_type, $data);
-
-            //get count of queued for generation
-            $count_to_generate = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(array(
-                EEM_Message::status_incomplete,
-                EEM_Message::status_idle,
-            ));
-
-            if ($count_to_generate > 0 && self::$_MSG_PROCESSOR->get_queue()->get_message_repository()->count() !== 0) {
-                add_filter('FHEE__EE_Admin_Page___process_admin_payment_notification__success', '__return_true');
-                return true;
-            } else {
-                $count_failed = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::instance()->stati_indicating_failed_sending());
-                /**
-                 * Verify that there are actually errors.  If not then we return a success message because the queue might have been emptied due to successful
-                 * IMMEDIATE generation.
-                 */
-                if ($count_failed > 0) {
-                    EE_Error::add_error(sprintf(
-                        _n(
-                            'The payment notification generation failed.',
-                            '%d payment notifications failed being sent.',
-                            $count_failed,
-                            'event_espresso'
-                        ),
-                        $count_failed
-                    ), __FILE__, __FUNCTION__, __LINE__);
-
-                    return false;
-                } else {
-                    add_filter('FHEE__EE_Admin_Page___process_admin_payment_notification__success', '__return_true');
-                    return true;
-                }
-            }
-        } else {
-            EE_Error::add_error(
-                'Unable to generate the payment notification because the given value for the transaction is invalid.',
-                'event_espresso'
-            );
-            return false;
-        }
-    }
-
-
-    /**
-     * Callback for AHEE__Extend_Registrations_Admin_Page___newsletter_selected_send_with_registrations trigger
-     *
-     * @since   4.3.0
-     * @param  EE_Registration[] $registrations an array of EE_Registration objects
-     * @param  int               $grp_id        a specific message template group id.
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function send_newsletter_message($registrations, $grp_id)
-    {
-        //make sure mtp is id and set it in the EE_Request Handler later messages setup.
-        EE_Registry::instance()->REQ->set('GRP_ID', (int)$grp_id);
-        self::_load_controller();
-        self::$_MSG_PROCESSOR->generate_for_all_active_messengers('newsletter', $registrations);
-    }
-
-
-    /**
-     * Callback for FHEE__EE_Registration__invoice_url__invoice_url or FHEE__EE_Registration__receipt_url__receipt_url
-     *
-     * @since   4.3.0
-     * @param    string          $registration_message_trigger_url
-     * @param    EE_Registration $registration
-     * @param string             $messenger
-     * @param string             $message_type
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function registration_message_trigger_url(
-        $registration_message_trigger_url,
-        EE_Registration $registration,
-        $messenger = 'html',
-        $message_type = 'invoice'
-    ) {
-        // whitelist $messenger
-        switch ($messenger) {
-            case 'pdf' :
-                $sending_messenger    = 'pdf';
-                $generating_messenger = 'html';
-                break;
-            case 'html' :
-            default :
-                $sending_messenger    = 'html';
-                $generating_messenger = 'html';
-                break;
-        }
-        // whitelist $message_type
-        switch ($message_type) {
-            case 'receipt' :
-                $message_type = 'receipt';
-                break;
-            case 'invoice' :
-            default :
-                $message_type = 'invoice';
-                break;
-        }
-        // verify that both the messenger AND the message type are active
-        if (EEH_MSG_Template::is_messenger_active($sending_messenger) && EEH_MSG_Template::is_mt_active($message_type)) {
-            //need to get the correct message template group for this (i.e. is there a custom invoice for the event this registration is registered for?)
-            $template_query_params = array(
-                'MTP_is_active'    => true,
-                'MTP_messenger'    => $generating_messenger,
-                'MTP_message_type' => $message_type,
-                'Event.EVT_ID'     => $registration->event_ID(),
-            );
-            //get the message template group.
-            $msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
-            //if we don't have an EE_Message_Template_Group then return
-            if (! $msg_template_group instanceof EE_Message_Template_Group) {
-                // remove EVT_ID from query params so that global templates get picked up
-                unset($template_query_params['Event.EVT_ID']);
-                //get global template as the fallback
-                $msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
-            }
-            //if we don't have an EE_Message_Template_Group then return
-            if (! $msg_template_group instanceof EE_Message_Template_Group) {
-                return '';
-            }
-            // generate the URL
-            $registration_message_trigger_url = EEH_MSG_Template::generate_url_trigger(
-                $sending_messenger,
-                $generating_messenger,
-                'purchaser',
-                $message_type,
-                $registration,
-                $msg_template_group->ID(),
-                $registration->transaction_ID()
-            );
-
-        }
-        return $registration_message_trigger_url;
-    }
-
-
-    /**
-     * Use to generate and return a message preview!
-     *
-     * @param  string $type      This should correspond with a valid message type
-     * @param  string $context   This should correspond with a valid context for the message type
-     * @param  string $messenger This should correspond with a valid messenger.
-     * @param bool    $send      true we will do a test send using the messenger delivery, false we just do a regular
-     *                           preview
-     * @return bool|string The body of the message or if send is requested, sends.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function preview_message($type, $context, $messenger, $send = false)
-    {
-        self::_load_controller();
-        $mtg                     = new EE_Message_To_Generate(
-            $messenger,
-            $type,
-            array(),
-            $context,
-            true
-        );
-        $generated_preview_queue = self::$_MSG_PROCESSOR->generate_for_preview($mtg, $send);
-        if ($generated_preview_queue instanceof EE_Messages_Queue) {
-            //loop through all content for the preview and remove any persisted records.
-            $content = '';
-            foreach ($generated_preview_queue->get_message_repository() as $message) {
-                $content = $message->content();
-                if ($message->ID() > 0 && $message->STS_ID() !== EEM_Message::status_failed) {
-                    $message->delete();
-                }
-            }
-            return $content;
-        } else {
-            return $generated_preview_queue;
-        }
-    }
-
-
-    /**
-     * This is a method that allows for sending a message using a messenger matching the string given and the provided
-     * EE_Message_Queue object.  The EE_Message_Queue object is used to create a single aggregate EE_Message via the
-     * content found in the EE_Message objects in the queue.
-     *
-     * @since 4.9.0
-     * @param string            $messenger            a string matching a valid active messenger in the system
-     * @param string            $message_type         Although it seems contrary to the name of the method, a message
-     *                                                type name is still required to send along the message type to the
-     *                                                messenger because this is used for determining what specific
-     *                                                variations might be loaded for the generated message.
-     * @param EE_Messages_Queue $queue
-     * @param string            $custom_subject       Can be used to set what the custom subject string will be on the
-     *                                                aggregate EE_Message object.
-     * @return bool success or fail.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function send_message_with_messenger_only(
-        $messenger,
-        $message_type,
-        EE_Messages_Queue $queue,
-        $custom_subject = ''
-    ) {
-        self::_load_controller();
-        /** @type EE_Message_To_Generate_From_Queue $message_to_generate */
-        $message_to_generate = EE_Registry::instance()->load_lib(
-            'Message_To_Generate_From_Queue',
-            array(
-                $messenger,
-                $message_type,
-                $queue,
-                $custom_subject,
-            )
-        );
-        return self::$_MSG_PROCESSOR->queue_for_sending($message_to_generate);
-    }
-
-
-    /**
-     * Generates Messages immediately for EE_Message IDs (but only for the correct status for generation)
-     *
-     * @since 4.9.0
-     * @param array $message_ids An array of message ids
-     * @return bool|EE_Messages_Queue false if nothing was generated, EE_Messages_Queue containing generated
-     *                           messages.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function generate_now($message_ids)
-    {
-        self::_load_controller();
-        $messages        = EEM_Message::instance()->get_all(
-            array(
-                0 => array(
-                    'MSG_ID' => array('IN', $message_ids),
-                    'STS_ID' => EEM_Message::status_incomplete,
-                ),
-            )
-        );
-        $generated_queue = false;
-        if ($messages) {
-            $generated_queue = self::$_MSG_PROCESSOR->batch_generate_from_queue($messages);
-        }
-
-        if (! $generated_queue instanceof EE_Messages_Queue) {
-            EE_Error::add_error(
-                __('The messages were not generated. This could mean there is already a batch being generated on a separate request, or because the selected messages are not ready for generation. Please wait a minute or two and try again.',
-                    'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        }
-        return $generated_queue;
-    }
-
-
-    /**
-     * Sends messages immediately for the incoming message_ids that have the status of EEM_Message::status_resend or,
-     * EEM_Message::status_idle
-     *
-     * @since 4.9.0
-     * @param $message_ids
-     * @return bool|EE_Messages_Queue false if no messages sent.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function send_now($message_ids)
-    {
-        self::_load_controller();
-        $messages   = EEM_Message::instance()->get_all(
-            array(
-                0 => array(
-                    'MSG_ID' => array('IN', $message_ids),
-                    'STS_ID' => array(
-                        'IN',
-                        array(EEM_Message::status_idle, EEM_Message::status_resend, EEM_Message::status_retry),
-                    ),
-                ),
-            )
-        );
-        $sent_queue = false;
-        if ($messages) {
-            $sent_queue = self::$_MSG_PROCESSOR->batch_send_from_queue($messages);
-        }
-
-        if (! $sent_queue instanceof EE_Messages_Queue) {
-            EE_Error::add_error(
-                __('The messages were not sent. This could mean there is already a batch being sent on a separate request, or because the selected messages are not sendable. Please wait a minute or two and try again.',
-                    'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        } else {
-            //can count how many sent by using the messages in the queue
-            $sent_count = $sent_queue->count_STS_in_queue(EEM_Message::instance()->stati_indicating_sent());
-            if ($sent_count > 0) {
-                EE_Error::add_success(
-                    sprintf(
-                        _n(
-                            'There was %d message successfully sent.',
-                            'There were %d messages successfully sent.',
-                            $sent_count,
-                            'event_espresso'
-                        ),
-                        $sent_count
-                    )
-                );
-            } else {
-                EE_Error::overwrite_errors();
-                EE_Error::add_error(
-                    __('No message was sent because of problems with sending. Either all the messages you selected were not a sendable message, they were ALREADY sent on a different scheduled task, or there was an error.
+				exit;
+			}
+		}
+		return;
+	}
+
+
+	/**
+	 *  This runs when the msg_url_trigger route has initiated.
+	 *
+	 * @since 4.5.0
+	 * @param WP $WP
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function run($WP)
+	{
+		//ensure controller is loaded
+		self::_load_controller();
+		// attempt to process message
+		try {
+			/** @type EE_Message_To_Generate_From_Request $message_to_generate */
+			$message_to_generate = EE_Registry::instance()->load_lib('Message_To_Generate_From_Request');
+			self::$_MSG_PROCESSOR->generate_and_send_now($message_to_generate);
+		} catch (EE_Error $e) {
+			$error_msg = __('Please note that a system message failed to send due to a technical issue.',
+				'event_espresso');
+			// add specific message for developers if WP_DEBUG in on
+			$error_msg .= '||' . $e->getMessage();
+			EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+	/**
+	 * This is triggered by the 'msg_cron_trigger' route.
+	 *
+	 * @param WP $WP
+	 */
+	public function execute_batch_request($WP)
+	{
+		$this->run_cron();
+		header('HTTP/1.1 200 OK');
+		exit();
+	}
+
+
+	/**
+	 * This gets executed on wp_cron jobs or when a batch request is initiated on its own separate non regular wp
+	 * request.
+	 */
+	public function run_cron()
+	{
+		self::_load_controller();
+		//get required vars
+		$cron_type     = EE_Registry::instance()->REQ->get('type');
+		$transient_key = EE_Registry::instance()->REQ->get('key');
+
+		//now let's verify transient, if not valid exit immediately
+		if (! get_transient($transient_key)) {
+			/**
+			 * trigger error so this gets in the error logs.  This is important because it happens on a non-user
+			 * request.
+			 */
+			trigger_error(esc_attr__('Invalid Request (Transient does not exist)', 'event_espresso'));
+		}
+
+		//if made it here, lets' delete the transient to keep the db clean
+		delete_transient($transient_key);
+
+		if (apply_filters('FHEE__EED_Messages__run_cron__use_wp_cron', true)) {
+
+			$method = 'batch_' . $cron_type . '_from_queue';
+			if (method_exists(self::$_MSG_PROCESSOR, $method)) {
+				self::$_MSG_PROCESSOR->$method();
+			} else {
+				//no matching task
+				/**
+				 * trigger error so this gets in the error logs.  This is important because it happens on a non user
+				 * request.
+				 */
+				trigger_error(esc_attr(sprintf(__('There is no task corresponding to this route %s', 'event_espresso'),
+					$cron_type)));
+			}
+		}
+
+		do_action('FHEE__EED_Messages__run_cron__end');
+	}
+
+
+	/**
+	 * This is used to retrieve the template pack for the given name.
+	 * Retrieved packs are cached on the static $_TMP_PACKS array.  If there is no class matching the given name then
+	 * the default template pack is returned.
+	 *
+	 * @deprecated 4.9.0  @see EEH_MSG_Template::get_template_pack()
+	 * @param string $template_pack_name This should correspond to the dbref of the template pack (which is also used
+	 *                                   in generating the Pack class name).
+	 * @return EE_Messages_Template_Pack
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_template_pack($template_pack_name)
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		return EEH_MSG_Template::get_template_pack($template_pack_name);
+	}
+
+
+	/**
+	 * Retrieves an array of all template packs.
+	 * Array is in the format array( 'dbref' => EE_Messages_Template_Pack )
+	 *
+	 * @deprecated 4.9.0  @see EEH_MSG_Template_Pack::get_template_pack_collection
+	 * @return EE_Messages_Template_Pack[]
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_template_packs()
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+
+		//for backward compat, let's make sure this returns in the same format as originally.
+		$template_pack_collection = EEH_MSG_Template::get_template_pack_collection();
+		$template_pack_collection->rewind();
+		$template_packs = array();
+		while ($template_pack_collection->valid()) {
+			$template_packs[$template_pack_collection->current()->dbref] = $template_pack_collection->current();
+			$template_pack_collection->next();
+		}
+		return $template_packs;
+	}
+
+
+	/**
+	 * This simply makes sure the autoloaders are registered for the EE_messages system.
+	 *
+	 * @since 4.5.0
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function set_autoloaders()
+	{
+		if (empty(self::$_MSG_PATHS)) {
+			self::_set_messages_paths();
+			foreach (self::$_MSG_PATHS as $path) {
+				EEH_Autoloader::register_autoloaders_for_each_file_in_folder($path);
+			}
+			// add aliases
+			EEH_Autoloader::add_alias('EE_messages', 'EE_messages');
+			EEH_Autoloader::add_alias('EE_messenger', 'EE_messenger');
+		}
+	}
+
+
+	/**
+	 * Take care of adding all the paths for the messages components to the $_MSG_PATHS property
+	 * for use by the Messages Autoloaders
+	 *
+	 * @since 4.5.0
+	 * @return void.
+	 */
+	protected static function _set_messages_paths()
+	{
+		$dir_ref = array(
+			'messages/message_type',
+			'messages/messenger',
+			'messages/defaults',
+			'messages/defaults/email',
+			'messages/data_class',
+			'messages/validators',
+			'messages/validators/email',
+			'messages/validators/html',
+			'shortcodes',
+		);
+		$paths   = array();
+		foreach ($dir_ref as $index => $dir) {
+			$paths[$index] = EE_LIBRARIES . $dir;
+		}
+		self::$_MSG_PATHS = apply_filters('FHEE__EED_Messages___set_messages_paths___MSG_PATHS', $paths);
+	}
+
+
+	/**
+	 * Takes care of loading dependencies
+	 *
+	 * @since 4.5.0
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected static function _load_controller()
+	{
+		if (! self::$_MSG_PROCESSOR instanceof EE_Messages_Processor) {
+			EE_Registry::instance()->load_core('Request_Handler');
+			self::set_autoloaders();
+			self::$_EEMSG                    = EE_Registry::instance()->load_lib('messages');
+			self::$_MSG_PROCESSOR            = EE_Registry::instance()->load_lib('Messages_Processor');
+			self::$_message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		}
+	}
+
+
+	/**
+	 * @param EE_Transaction $transaction
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function payment_reminder(EE_Transaction $transaction)
+	{
+		self::_load_controller();
+		$data = array($transaction, null);
+		self::$_MSG_PROCESSOR->generate_for_all_active_messengers('payment_reminder', $data);
+	}
+
+
+	/**
+	 * Any messages triggers for after successful gateway payments should go in here.
+	 *
+	 * @param EE_Transaction $transaction object
+	 * @param EE_Payment|null     $payment     object
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function payment(EE_Transaction $transaction, EE_Payment $payment = null)
+	{
+		//if there's no payment object, then we cannot do a payment type message!
+		if (! $payment instanceof EE_Payment) {
+			return;
+		}
+		self::_load_controller();
+		$data = array($transaction, $payment);
+		EE_Registry::instance()->load_helper('MSG_Template');
+		$message_type = EEH_MSG_Template::convert_payment_status_to_message_type($payment->STS_ID());
+		//if payment amount is less than 0 then switch to payment_refund message type.
+		$message_type = $payment->amount() < 0 ? 'payment_refund' : $message_type;
+		self::$_MSG_PROCESSOR->generate_for_all_active_messengers($message_type, $data);
+	}
+
+
+	/**
+	 * @param EE_Transaction $transaction
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function cancelled_registration(EE_Transaction $transaction)
+	{
+		self::_load_controller();
+		$data = array($transaction, null);
+		self::$_MSG_PROCESSOR->generate_for_all_active_messengers('cancelled_registration', $data);
+	}
+
+
+
+	/**
+	 * Trigger for Registration messages
+	 * Note that what registration message type is sent depends on what the reg status is for the registrations on the
+	 * incoming transaction.
+	 *
+	 * @param EE_Registration $registration
+	 * @param array           $extra_details
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws EntityNotFoundException
+	 */
+	public static function maybe_registration(EE_Registration $registration, $extra_details = array())
+	{
+
+		if (! self::_verify_registration_notification_send($registration, $extra_details)) {
+			//no messages please
+			return;
+		}
+
+		// get all non-trashed registrations so we make sure we send messages for the right status.
+		$all_registrations = $registration->transaction()->registrations(
+			array(
+				array('REG_deleted' => false),
+				'order_by' => array(
+					'Event.EVT_name'     => 'ASC',
+					'Attendee.ATT_lname' => 'ASC',
+					'Attendee.ATT_fname' => 'ASC'
+				)
+			)
+		);
+		//cached array of statuses so we only trigger messages once per status.
+		$statuses_sent = array();
+		self::_load_controller();
+		$mtgs = array();
+
+		//loop through registrations and trigger messages once per status.
+		foreach ($all_registrations as $reg) {
+
+			//already triggered?
+			if (in_array($reg->status_ID(), $statuses_sent)) {
+				continue;
+			}
+
+			$message_type    = EEH_MSG_Template::convert_reg_status_to_message_type($reg->status_ID());
+			$mtgs            = array_merge(
+					$mtgs,
+					self::$_MSG_PROCESSOR->setup_mtgs_for_all_active_messengers(
+							$message_type,
+							array($registration->transaction(), null, $reg->status_ID())
+					)
+			);
+			$statuses_sent[] = $reg->status_ID();
+		}
+
+		if (count($statuses_sent) > 1) {
+			$mtgs = array_merge(
+				$mtgs,
+				self::$_MSG_PROCESSOR->setup_mtgs_for_all_active_messengers(
+					'registration_summary',
+					array($registration->transaction(), null)
+				)
+			);
+		}
+
+		//batch queue and initiate request
+		self::$_MSG_PROCESSOR->batch_queue_for_generation_and_persist($mtgs);
+		self::$_MSG_PROCESSOR->get_queue()->initiate_request_by_priority();
+	}
+
+
+	/**
+	 * This is a helper method used to very whether a registration notification should be sent or
+	 * not.  Prevents duplicate notifications going out for registration context notifications.
+	 *
+	 * @param EE_Registration $registration  [description]
+	 * @param array           $extra_details [description]
+	 * @return bool          true = send away, false = nope halt the presses.
+	 */
+	protected static function _verify_registration_notification_send(
+		EE_Registration $registration,
+		$extra_details = array()
+	) {
+		//self::log(
+		//	__CLASS__, __FUNCTION__, __LINE__,
+		//	$registration->transaction(),
+		//	array( '$extra_details' => $extra_details )
+		//);
+		// currently only using this to send messages for the primary registrant
+		if (! $registration->is_primary_registrant()) {
+			return false;
+		}
+		// first we check if we're in admin and not doing front ajax
+		if (is_admin() && ! EE_FRONT_AJAX) {
+			//make sure appropriate admin params are set for sending messages
+			if (empty($_REQUEST['txn_reg_status_change']['send_notifications']) || ! absint($_REQUEST['txn_reg_status_change']['send_notifications'])) {
+				//no messages sent please.
+				return false;
+			}
+		} else {
+			// frontend request (either regular or via AJAX)
+			// TXN is NOT finalized ?
+			if (! isset($extra_details['finalized']) || $extra_details['finalized'] === false) {
+				return false;
+			}
+			// return visit but nothing changed ???
+			if (
+				isset($extra_details['revisit'], $extra_details['status_updates']) &&
+				$extra_details['revisit'] && ! $extra_details['status_updates']
+			) {
+				return false;
+			}
+			// NOT sending messages && reg status is something other than "Not-Approved"
+			if (
+				! apply_filters('FHEE__EED_Messages___maybe_registration__deliver_notifications', false) &&
+				$registration->status_ID() !== EEM_Registration::status_id_not_approved
+			) {
+				return false;
+			}
+		}
+		// release the kraken
+		return true;
+	}
+
+
+	/**
+	 * Simply returns an array indexed by Registration Status ID and the related message_type name associated with that
+	 * status id.
+	 *
+	 * @deprecated 4.9.0  Use EEH_MSG_Template::reg_status_to_message_type_array()
+	 *                    or EEH_MSG_Template::convert_reg_status_to_message_type
+	 * @param string $reg_status
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected static function _get_reg_status_array($reg_status = '')
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		return EEH_MSG_Template::convert_reg_status_to_message_type($reg_status)
+			? EEH_MSG_Template::convert_reg_status_to_message_type($reg_status)
+			: EEH_MSG_Template::reg_status_to_message_type_array();
+	}
+
+
+	/**
+	 * Simply returns the payment message type for the given payment status.
+	 *
+	 * @deprecated 4.9.0 Use EEH_MSG_Template::payment_status_to_message_type_array
+	 *                   or EEH_MSG_Template::convert_payment_status_to_message_type
+	 * @param string $payment_status The payment status being matched.
+	 * @return bool|string The payment message type slug matching the status or false if no match.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected static function _get_payment_message_type($payment_status)
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		return EEH_MSG_Template::convert_payment_status_to_message_type($payment_status)
+			? EEH_MSG_Template::convert_payment_status_to_message_type($payment_status)
+			: false;
+	}
+
+
+	/**
+	 * Message triggers for a resending already sent message(s) (via EE_Message list table)
+	 *
+	 * @access public
+	 * @param array $req_data This is the $_POST & $_GET data sent from EE_Admin Pages
+	 * @return bool success/fail
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function process_resend($req_data)
+	{
+		self::_load_controller();
+
+		//if $msgID in this request then skip to the new resend_message
+		if (EE_Registry::instance()->REQ->get('MSG_ID')) {
+			return self::resend_message();
+		}
+
+		//make sure any incoming request data is set on the REQ so that it gets picked up later.
+		$req_data = (array)$req_data;
+		foreach ($req_data as $request_key => $request_value) {
+			EE_Registry::instance()->REQ->set($request_key, $request_value);
+		}
+
+		if (! $messages_to_send = self::$_MSG_PROCESSOR->setup_messages_to_generate_from_registration_ids_in_request()) {
+			return false;
+		}
+
+		try {
+			self::$_MSG_PROCESSOR->batch_queue_for_generation_and_persist($messages_to_send);
+			self::$_MSG_PROCESSOR->get_queue()->initiate_request_by_priority();
+		} catch (EE_Error $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		EE_Error::add_success(
+			__('Messages have been successfully queued for generation and sending.', 'event_espresso')
+		);
+		return true; //everything got queued.
+	}
+
+
+	/**
+	 * Message triggers for a resending already sent message(s) (via EE_Message list table)
+	 *
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function resend_message()
+	{
+		self::_load_controller();
+
+		$msgID = EE_Registry::instance()->REQ->get('MSG_ID');
+		if (! $msgID) {
+			EE_Error::add_error(__('Something went wrong because there is no "MSG_ID" value in the request',
+				'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+
+		self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send((array)$msgID);
+
+		//setup success message.
+		$count_ready_for_resend = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
+		EE_Error::add_success(sprintf(
+			_n(
+				'There was %d message queued for resending.',
+				'There were %d messages queued for resending.',
+				$count_ready_for_resend,
+				'event_espresso'
+			),
+			$count_ready_for_resend
+		));
+		return true;
+	}
+
+
+	/**
+	 * Message triggers for manual payment applied by admin
+	 *
+	 * @param  EE_Payment $payment EE_payment object
+	 * @return bool success/fail
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function process_admin_payment(EE_Payment $payment)
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		//we need to get the transaction object
+		$transaction = $payment->transaction();
+		if ($transaction instanceof EE_Transaction) {
+			$data         = array($transaction, $payment);
+			$message_type = EEH_MSG_Template::convert_payment_status_to_message_type($payment->STS_ID());
+
+			//if payment amount is less than 0 then switch to payment_refund message type.
+			$message_type = $payment->amount() < 0 ? 'payment_refund' : $message_type;
+
+			//if payment_refund is selected, but the status is NOT accepted.  Then change message type to false so NO message notification goes out.
+			$message_type = $message_type == 'payment_refund' && $payment->STS_ID() != EEM_Payment::status_id_approved ? false : $message_type;
+
+			self::_load_controller();
+
+			self::$_MSG_PROCESSOR->generate_for_all_active_messengers($message_type, $data);
+
+			//get count of queued for generation
+			$count_to_generate = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(array(
+				EEM_Message::status_incomplete,
+				EEM_Message::status_idle,
+			));
+
+			if ($count_to_generate > 0 && self::$_MSG_PROCESSOR->get_queue()->get_message_repository()->count() !== 0) {
+				add_filter('FHEE__EE_Admin_Page___process_admin_payment_notification__success', '__return_true');
+				return true;
+			} else {
+				$count_failed = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::instance()->stati_indicating_failed_sending());
+				/**
+				 * Verify that there are actually errors.  If not then we return a success message because the queue might have been emptied due to successful
+				 * IMMEDIATE generation.
+				 */
+				if ($count_failed > 0) {
+					EE_Error::add_error(sprintf(
+						_n(
+							'The payment notification generation failed.',
+							'%d payment notifications failed being sent.',
+							$count_failed,
+							'event_espresso'
+						),
+						$count_failed
+					), __FILE__, __FUNCTION__, __LINE__);
+
+					return false;
+				} else {
+					add_filter('FHEE__EE_Admin_Page___process_admin_payment_notification__success', '__return_true');
+					return true;
+				}
+			}
+		} else {
+			EE_Error::add_error(
+				'Unable to generate the payment notification because the given value for the transaction is invalid.',
+				'event_espresso'
+			);
+			return false;
+		}
+	}
+
+
+	/**
+	 * Callback for AHEE__Extend_Registrations_Admin_Page___newsletter_selected_send_with_registrations trigger
+	 *
+	 * @since   4.3.0
+	 * @param  EE_Registration[] $registrations an array of EE_Registration objects
+	 * @param  int               $grp_id        a specific message template group id.
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function send_newsletter_message($registrations, $grp_id)
+	{
+		//make sure mtp is id and set it in the EE_Request Handler later messages setup.
+		EE_Registry::instance()->REQ->set('GRP_ID', (int)$grp_id);
+		self::_load_controller();
+		self::$_MSG_PROCESSOR->generate_for_all_active_messengers('newsletter', $registrations);
+	}
+
+
+	/**
+	 * Callback for FHEE__EE_Registration__invoice_url__invoice_url or FHEE__EE_Registration__receipt_url__receipt_url
+	 *
+	 * @since   4.3.0
+	 * @param    string          $registration_message_trigger_url
+	 * @param    EE_Registration $registration
+	 * @param string             $messenger
+	 * @param string             $message_type
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function registration_message_trigger_url(
+		$registration_message_trigger_url,
+		EE_Registration $registration,
+		$messenger = 'html',
+		$message_type = 'invoice'
+	) {
+		// whitelist $messenger
+		switch ($messenger) {
+			case 'pdf' :
+				$sending_messenger    = 'pdf';
+				$generating_messenger = 'html';
+				break;
+			case 'html' :
+			default :
+				$sending_messenger    = 'html';
+				$generating_messenger = 'html';
+				break;
+		}
+		// whitelist $message_type
+		switch ($message_type) {
+			case 'receipt' :
+				$message_type = 'receipt';
+				break;
+			case 'invoice' :
+			default :
+				$message_type = 'invoice';
+				break;
+		}
+		// verify that both the messenger AND the message type are active
+		if (EEH_MSG_Template::is_messenger_active($sending_messenger) && EEH_MSG_Template::is_mt_active($message_type)) {
+			//need to get the correct message template group for this (i.e. is there a custom invoice for the event this registration is registered for?)
+			$template_query_params = array(
+				'MTP_is_active'    => true,
+				'MTP_messenger'    => $generating_messenger,
+				'MTP_message_type' => $message_type,
+				'Event.EVT_ID'     => $registration->event_ID(),
+			);
+			//get the message template group.
+			$msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
+			//if we don't have an EE_Message_Template_Group then return
+			if (! $msg_template_group instanceof EE_Message_Template_Group) {
+				// remove EVT_ID from query params so that global templates get picked up
+				unset($template_query_params['Event.EVT_ID']);
+				//get global template as the fallback
+				$msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
+			}
+			//if we don't have an EE_Message_Template_Group then return
+			if (! $msg_template_group instanceof EE_Message_Template_Group) {
+				return '';
+			}
+			// generate the URL
+			$registration_message_trigger_url = EEH_MSG_Template::generate_url_trigger(
+				$sending_messenger,
+				$generating_messenger,
+				'purchaser',
+				$message_type,
+				$registration,
+				$msg_template_group->ID(),
+				$registration->transaction_ID()
+			);
+
+		}
+		return $registration_message_trigger_url;
+	}
+
+
+	/**
+	 * Use to generate and return a message preview!
+	 *
+	 * @param  string $type      This should correspond with a valid message type
+	 * @param  string $context   This should correspond with a valid context for the message type
+	 * @param  string $messenger This should correspond with a valid messenger.
+	 * @param bool    $send      true we will do a test send using the messenger delivery, false we just do a regular
+	 *                           preview
+	 * @return bool|string The body of the message or if send is requested, sends.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function preview_message($type, $context, $messenger, $send = false)
+	{
+		self::_load_controller();
+		$mtg                     = new EE_Message_To_Generate(
+			$messenger,
+			$type,
+			array(),
+			$context,
+			true
+		);
+		$generated_preview_queue = self::$_MSG_PROCESSOR->generate_for_preview($mtg, $send);
+		if ($generated_preview_queue instanceof EE_Messages_Queue) {
+			//loop through all content for the preview and remove any persisted records.
+			$content = '';
+			foreach ($generated_preview_queue->get_message_repository() as $message) {
+				$content = $message->content();
+				if ($message->ID() > 0 && $message->STS_ID() !== EEM_Message::status_failed) {
+					$message->delete();
+				}
+			}
+			return $content;
+		} else {
+			return $generated_preview_queue;
+		}
+	}
+
+
+	/**
+	 * This is a method that allows for sending a message using a messenger matching the string given and the provided
+	 * EE_Message_Queue object.  The EE_Message_Queue object is used to create a single aggregate EE_Message via the
+	 * content found in the EE_Message objects in the queue.
+	 *
+	 * @since 4.9.0
+	 * @param string            $messenger            a string matching a valid active messenger in the system
+	 * @param string            $message_type         Although it seems contrary to the name of the method, a message
+	 *                                                type name is still required to send along the message type to the
+	 *                                                messenger because this is used for determining what specific
+	 *                                                variations might be loaded for the generated message.
+	 * @param EE_Messages_Queue $queue
+	 * @param string            $custom_subject       Can be used to set what the custom subject string will be on the
+	 *                                                aggregate EE_Message object.
+	 * @return bool success or fail.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function send_message_with_messenger_only(
+		$messenger,
+		$message_type,
+		EE_Messages_Queue $queue,
+		$custom_subject = ''
+	) {
+		self::_load_controller();
+		/** @type EE_Message_To_Generate_From_Queue $message_to_generate */
+		$message_to_generate = EE_Registry::instance()->load_lib(
+			'Message_To_Generate_From_Queue',
+			array(
+				$messenger,
+				$message_type,
+				$queue,
+				$custom_subject,
+			)
+		);
+		return self::$_MSG_PROCESSOR->queue_for_sending($message_to_generate);
+	}
+
+
+	/**
+	 * Generates Messages immediately for EE_Message IDs (but only for the correct status for generation)
+	 *
+	 * @since 4.9.0
+	 * @param array $message_ids An array of message ids
+	 * @return bool|EE_Messages_Queue false if nothing was generated, EE_Messages_Queue containing generated
+	 *                           messages.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function generate_now($message_ids)
+	{
+		self::_load_controller();
+		$messages        = EEM_Message::instance()->get_all(
+			array(
+				0 => array(
+					'MSG_ID' => array('IN', $message_ids),
+					'STS_ID' => EEM_Message::status_incomplete,
+				),
+			)
+		);
+		$generated_queue = false;
+		if ($messages) {
+			$generated_queue = self::$_MSG_PROCESSOR->batch_generate_from_queue($messages);
+		}
+
+		if (! $generated_queue instanceof EE_Messages_Queue) {
+			EE_Error::add_error(
+				__('The messages were not generated. This could mean there is already a batch being generated on a separate request, or because the selected messages are not ready for generation. Please wait a minute or two and try again.',
+					'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		}
+		return $generated_queue;
+	}
+
+
+	/**
+	 * Sends messages immediately for the incoming message_ids that have the status of EEM_Message::status_resend or,
+	 * EEM_Message::status_idle
+	 *
+	 * @since 4.9.0
+	 * @param $message_ids
+	 * @return bool|EE_Messages_Queue false if no messages sent.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function send_now($message_ids)
+	{
+		self::_load_controller();
+		$messages   = EEM_Message::instance()->get_all(
+			array(
+				0 => array(
+					'MSG_ID' => array('IN', $message_ids),
+					'STS_ID' => array(
+						'IN',
+						array(EEM_Message::status_idle, EEM_Message::status_resend, EEM_Message::status_retry),
+					),
+				),
+			)
+		);
+		$sent_queue = false;
+		if ($messages) {
+			$sent_queue = self::$_MSG_PROCESSOR->batch_send_from_queue($messages);
+		}
+
+		if (! $sent_queue instanceof EE_Messages_Queue) {
+			EE_Error::add_error(
+				__('The messages were not sent. This could mean there is already a batch being sent on a separate request, or because the selected messages are not sendable. Please wait a minute or two and try again.',
+					'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		} else {
+			//can count how many sent by using the messages in the queue
+			$sent_count = $sent_queue->count_STS_in_queue(EEM_Message::instance()->stati_indicating_sent());
+			if ($sent_count > 0) {
+				EE_Error::add_success(
+					sprintf(
+						_n(
+							'There was %d message successfully sent.',
+							'There were %d messages successfully sent.',
+							$sent_count,
+							'event_espresso'
+						),
+						$sent_count
+					)
+				);
+			} else {
+				EE_Error::overwrite_errors();
+				EE_Error::add_error(
+					__('No message was sent because of problems with sending. Either all the messages you selected were not a sendable message, they were ALREADY sent on a different scheduled task, or there was an error.
 					If there was an error, you can look at the messages in the message activity list table for any error messages.',
-                        'event_espresso'),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-            }
-        }
-        return $sent_queue;
-    }
-
-
-    /**
-     * Generate and send immediately from the given $message_ids
-     *
-     * @param array $message_ids EE_Message entity ids.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function generate_and_send_now(array $message_ids)
-    {
-        $generated_queue = self::generate_now($message_ids);
-        //now let's just trigger sending immediately from this queue.
-        $messages_sent = $generated_queue instanceof EE_Messages_Queue
-            ? $generated_queue->execute()
-            : 0;
-        if ($messages_sent) {
-            EE_Error::add_success(
-                esc_html(
-                    sprintf(
-                        _n(
-                            'There was %d message successfully generated and sent.',
-                            'There were %d messages successfully generated and sent.',
-                            $messages_sent,
-                            'event_espresso'
-                        ),
-                        $messages_sent
-                    )
-                )
-            );
-            //errors would be added via the generate_now method.
-        }
-    }
-
-
-    /**
-     * This will queue the incoming message ids for resending.
-     * Note, only message_ids corresponding to messages with the status of EEM_Message::sent will be queued.
-     *
-     * @since 4.9.0
-     * @param array $message_ids An array of EE_Message IDs
-     * @return bool true means messages were successfully queued for resending, false means none were queued for
-     *                           resending.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function queue_for_resending($message_ids)
-    {
-        self::_load_controller();
-        self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send($message_ids);
-
-        //get queue and count
-        $queue_count = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
-
-        if (
-            $queue_count > 0
-        ) {
-            EE_Error::add_success(
-                sprintf(
-                    _n(
-                        '%d message successfully queued for resending.',
-                        '%d messages successfully queued for resending.',
-                        $queue_count,
-                        'event_espresso'
-                    ),
-                    $queue_count
-                )
-            );
-            /**
-             * @see filter usage in EE_Messages_Queue::initiate_request_by_priority
-             */
-        } elseif (
-            apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', true)
-            || EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
-        ) {
-            $queue_count = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_sent);
-            if ($queue_count > 0) {
-                EE_Error::add_success(
-                    sprintf(
-                        _n(
-                            '%d message successfully sent.',
-                            '%d messages successfully sent.',
-                            $queue_count,
-                            'event_espresso'
-                        ),
-                        $queue_count
-                    )
-                );
-            } else {
-                EE_Error::add_error(
-                    __('No messages were queued for resending. This usually only happens when all the messages flagged for resending are not a status that can be resent.',
-                        'event_espresso'),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-            }
-        } else {
-            EE_Error::add_error(
-                __('No messages were queued for resending. This usually only happens when all the messages flagged for resending are not a status that can be resent.',
-                    'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        }
-        return (bool)$queue_count;
-    }
-
-
-    /**
-     * debug
-     *
-     * @param string          $class
-     * @param string          $func
-     * @param string          $line
-     * @param \EE_Transaction $transaction
-     * @param array           $info
-     * @param bool            $display_request
-     * @throws EE_Error
-     * @throws \EventEspresso\core\exceptions\InvalidSessionDataException
-     */
-    protected static function log(
-        $class = '',
-        $func = '',
-        $line = '',
-        EE_Transaction $transaction,
-        $info = array(),
-        $display_request = false
-    ) {
-        if (defined('EE_DEBUG') && EE_DEBUG) {
-            if ($transaction instanceof EE_Transaction) {
-                // don't serialize objects
-                $info                  = EEH_Debug_Tools::strip_objects($info);
-                $info['TXN_status']    = $transaction->status_ID();
-                $info['TXN_reg_steps'] = $transaction->reg_steps();
-                if ($transaction->ID()) {
-                    $index = 'EE_Transaction: ' . $transaction->ID();
-                    EEH_Debug_Tools::log($class, $func, $line, $info, $display_request, $index);
-                }
-            }
-        }
-
-    }
-
-
-    /**
-     *  Resets all the static properties in this class when called.
-     */
-    public static function reset()
-    {
-        self::$_EEMSG                    = null;
-        self::$_message_resource_manager = null;
-        self::$_MSG_PROCESSOR            = null;
-        self::$_MSG_PATHS                = null;
-        self::$_TMP_PACKS                = array();
-    }
+						'event_espresso'),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+			}
+		}
+		return $sent_queue;
+	}
+
+
+	/**
+	 * Generate and send immediately from the given $message_ids
+	 *
+	 * @param array $message_ids EE_Message entity ids.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function generate_and_send_now(array $message_ids)
+	{
+		$generated_queue = self::generate_now($message_ids);
+		//now let's just trigger sending immediately from this queue.
+		$messages_sent = $generated_queue instanceof EE_Messages_Queue
+			? $generated_queue->execute()
+			: 0;
+		if ($messages_sent) {
+			EE_Error::add_success(
+				esc_html(
+					sprintf(
+						_n(
+							'There was %d message successfully generated and sent.',
+							'There were %d messages successfully generated and sent.',
+							$messages_sent,
+							'event_espresso'
+						),
+						$messages_sent
+					)
+				)
+			);
+			//errors would be added via the generate_now method.
+		}
+	}
+
+
+	/**
+	 * This will queue the incoming message ids for resending.
+	 * Note, only message_ids corresponding to messages with the status of EEM_Message::sent will be queued.
+	 *
+	 * @since 4.9.0
+	 * @param array $message_ids An array of EE_Message IDs
+	 * @return bool true means messages were successfully queued for resending, false means none were queued for
+	 *                           resending.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function queue_for_resending($message_ids)
+	{
+		self::_load_controller();
+		self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send($message_ids);
+
+		//get queue and count
+		$queue_count = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
+
+		if (
+			$queue_count > 0
+		) {
+			EE_Error::add_success(
+				sprintf(
+					_n(
+						'%d message successfully queued for resending.',
+						'%d messages successfully queued for resending.',
+						$queue_count,
+						'event_espresso'
+					),
+					$queue_count
+				)
+			);
+			/**
+			 * @see filter usage in EE_Messages_Queue::initiate_request_by_priority
+			 */
+		} elseif (
+			apply_filters('FHEE__EE_Messages_Processor__initiate_request_by_priority__do_immediate_processing', true)
+			|| EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request
+		) {
+			$queue_count = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_sent);
+			if ($queue_count > 0) {
+				EE_Error::add_success(
+					sprintf(
+						_n(
+							'%d message successfully sent.',
+							'%d messages successfully sent.',
+							$queue_count,
+							'event_espresso'
+						),
+						$queue_count
+					)
+				);
+			} else {
+				EE_Error::add_error(
+					__('No messages were queued for resending. This usually only happens when all the messages flagged for resending are not a status that can be resent.',
+						'event_espresso'),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+			}
+		} else {
+			EE_Error::add_error(
+				__('No messages were queued for resending. This usually only happens when all the messages flagged for resending are not a status that can be resent.',
+					'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		}
+		return (bool)$queue_count;
+	}
+
+
+	/**
+	 * debug
+	 *
+	 * @param string          $class
+	 * @param string          $func
+	 * @param string          $line
+	 * @param \EE_Transaction $transaction
+	 * @param array           $info
+	 * @param bool            $display_request
+	 * @throws EE_Error
+	 * @throws \EventEspresso\core\exceptions\InvalidSessionDataException
+	 */
+	protected static function log(
+		$class = '',
+		$func = '',
+		$line = '',
+		EE_Transaction $transaction,
+		$info = array(),
+		$display_request = false
+	) {
+		if (defined('EE_DEBUG') && EE_DEBUG) {
+			if ($transaction instanceof EE_Transaction) {
+				// don't serialize objects
+				$info                  = EEH_Debug_Tools::strip_objects($info);
+				$info['TXN_status']    = $transaction->status_ID();
+				$info['TXN_reg_steps'] = $transaction->reg_steps();
+				if ($transaction->ID()) {
+					$index = 'EE_Transaction: ' . $transaction->ID();
+					EEH_Debug_Tools::log($class, $func, $line, $info, $display_request, $index);
+				}
+			}
+		}
+
+	}
+
+
+	/**
+	 *  Resets all the static properties in this class when called.
+	 */
+	public static function reset()
+	{
+		self::$_EEMSG                    = null;
+		self::$_message_resource_manager = null;
+		self::$_MSG_PROCESSOR            = null;
+		self::$_MSG_PATHS                = null;
+		self::$_TMP_PACKS                = array();
+	}
 
 }
 // End of file EED_Messages.module.php

Spacing +25 added lines, -25 removed lines

@@ -160,7 +160,7 @@ 
             $error_msg = __('Please note that a system message failed to send due to a technical issue.',
                 'event_espresso');
             // add specific message for developers if WP_DEBUG in on
-            $error_msg .= '||' . $e->getMessage();
+            $error_msg .= '||'.$e->getMessage();
             EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
         }
     }
@@ -243,7 +243,7 @@ 
             $error_msg = __('Please note that a system message failed to send due to a technical issue.',
                 'event_espresso');
             // add specific message for developers if WP_DEBUG in on
-            $error_msg .= '||' . $e->getMessage();
+            $error_msg .= '||'.$e->getMessage();
             EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
         }
     }
@@ -274,7 +274,7 @@ 
         $transient_key = EE_Registry::instance()->REQ->get('key');
 
         //now let's verify transient, if not valid exit immediately
-        if (! get_transient($transient_key)) {
+        if ( ! get_transient($transient_key)) {
             /**
              * trigger error so this gets in the error logs.  This is important because it happens on a non-user
              * request.
@@ -287,7 +287,7 @@ 
 
         if (apply_filters('FHEE__EED_Messages__run_cron__use_wp_cron', true)) {
 
-            $method = 'batch_' . $cron_type . '_from_queue';
+            $method = 'batch_'.$cron_type.'_from_queue';
             if (method_exists(self::$_MSG_PROCESSOR, $method)) {
                 self::$_MSG_PROCESSOR->$method();
             } else {
@@ -396,9 +396,9 @@ 
             'messages/validators/html',
             'shortcodes',
         );
-        $paths   = array();
+        $paths = array();
         foreach ($dir_ref as $index => $dir) {
-            $paths[$index] = EE_LIBRARIES . $dir;
+            $paths[$index] = EE_LIBRARIES.$dir;
         }
         self::$_MSG_PATHS = apply_filters('FHEE__EED_Messages___set_messages_paths___MSG_PATHS', $paths);
     }
@@ -417,7 +417,7 @@ 
      */
     protected static function _load_controller()
     {
-        if (! self::$_MSG_PROCESSOR instanceof EE_Messages_Processor) {
+        if ( ! self::$_MSG_PROCESSOR instanceof EE_Messages_Processor) {
             EE_Registry::instance()->load_core('Request_Handler');
             self::set_autoloaders();
             self::$_EEMSG                    = EE_Registry::instance()->load_lib('messages');
@@ -458,7 +458,7 @@ 
     public static function payment(EE_Transaction $transaction, EE_Payment $payment = null)
     {
         //if there's no payment object, then we cannot do a payment type message!
-        if (! $payment instanceof EE_Payment) {
+        if ( ! $payment instanceof EE_Payment) {
             return;
         }
         self::_load_controller();
@@ -506,7 +506,7 @@ 
     public static function maybe_registration(EE_Registration $registration, $extra_details = array())
     {
 
-        if (! self::_verify_registration_notification_send($registration, $extra_details)) {
+        if ( ! self::_verify_registration_notification_send($registration, $extra_details)) {
             //no messages please
             return;
         }
@@ -580,7 +580,7 @@ 
         //	array( '$extra_details' => $extra_details )
         //);
         // currently only using this to send messages for the primary registrant
-        if (! $registration->is_primary_registrant()) {
+        if ( ! $registration->is_primary_registrant()) {
             return false;
         }
         // first we check if we're in admin and not doing front ajax
@@ -593,7 +593,7 @@ 
         } else {
             // frontend request (either regular or via AJAX)
             // TXN is NOT finalized ?
-            if (! isset($extra_details['finalized']) || $extra_details['finalized'] === false) {
+            if ( ! isset($extra_details['finalized']) || $extra_details['finalized'] === false) {
                 return false;
             }
             // return visit but nothing changed ???
@@ -683,12 +683,12 @@ 
         }
 
         //make sure any incoming request data is set on the REQ so that it gets picked up later.
-        $req_data = (array)$req_data;
+        $req_data = (array) $req_data;
         foreach ($req_data as $request_key => $request_value) {
             EE_Registry::instance()->REQ->set($request_key, $request_value);
         }
 
-        if (! $messages_to_send = self::$_MSG_PROCESSOR->setup_messages_to_generate_from_registration_ids_in_request()) {
+        if ( ! $messages_to_send = self::$_MSG_PROCESSOR->setup_messages_to_generate_from_registration_ids_in_request()) {
             return false;
         }
 
@@ -721,13 +721,13 @@ 
         self::_load_controller();
 
         $msgID = EE_Registry::instance()->REQ->get('MSG_ID');
-        if (! $msgID) {
+        if ( ! $msgID) {
             EE_Error::add_error(__('Something went wrong because there is no "MSG_ID" value in the request',
                 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
             return false;
         }
 
-        self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send((array)$msgID);
+        self::$_MSG_PROCESSOR->setup_messages_from_ids_and_send((array) $msgID);
 
         //setup success message.
         $count_ready_for_resend = self::$_MSG_PROCESSOR->get_queue()->count_STS_in_queue(EEM_Message::status_resend);
@@ -832,7 +832,7 @@ 
     public static function send_newsletter_message($registrations, $grp_id)
     {
         //make sure mtp is id and set it in the EE_Request Handler later messages setup.
-        EE_Registry::instance()->REQ->set('GRP_ID', (int)$grp_id);
+        EE_Registry::instance()->REQ->set('GRP_ID', (int) $grp_id);
         self::_load_controller();
         self::$_MSG_PROCESSOR->generate_for_all_active_messengers('newsletter', $registrations);
     }
@@ -892,14 +892,14 @@ 
             //get the message template group.
             $msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
             //if we don't have an EE_Message_Template_Group then return
-            if (! $msg_template_group instanceof EE_Message_Template_Group) {
+            if ( ! $msg_template_group instanceof EE_Message_Template_Group) {
                 // remove EVT_ID from query params so that global templates get picked up
                 unset($template_query_params['Event.EVT_ID']);
                 //get global template as the fallback
                 $msg_template_group = EEM_Message_Template_Group::instance()->get_one(array($template_query_params));
             }
             //if we don't have an EE_Message_Template_Group then return
-            if (! $msg_template_group instanceof EE_Message_Template_Group) {
+            if ( ! $msg_template_group instanceof EE_Message_Template_Group) {
                 return '';
             }
             // generate the URL
@@ -936,7 +936,7 @@ 
     public static function preview_message($type, $context, $messenger, $send = false)
     {
         self::_load_controller();
-        $mtg                     = new EE_Message_To_Generate(
+        $mtg = new EE_Message_To_Generate(
             $messenger,
             $type,
             array(),
@@ -1018,7 +1018,7 @@ 
     public static function generate_now($message_ids)
     {
         self::_load_controller();
-        $messages        = EEM_Message::instance()->get_all(
+        $messages = EEM_Message::instance()->get_all(
             array(
                 0 => array(
                     'MSG_ID' => array('IN', $message_ids),
@@ -1031,7 +1031,7 @@ 
             $generated_queue = self::$_MSG_PROCESSOR->batch_generate_from_queue($messages);
         }
 
-        if (! $generated_queue instanceof EE_Messages_Queue) {
+        if ( ! $generated_queue instanceof EE_Messages_Queue) {
             EE_Error::add_error(
                 __('The messages were not generated. This could mean there is already a batch being generated on a separate request, or because the selected messages are not ready for generation. Please wait a minute or two and try again.',
                     'event_espresso'),
@@ -1058,7 +1058,7 @@ 
     public static function send_now($message_ids)
     {
         self::_load_controller();
-        $messages   = EEM_Message::instance()->get_all(
+        $messages = EEM_Message::instance()->get_all(
             array(
                 0 => array(
                     'MSG_ID' => array('IN', $message_ids),
@@ -1074,7 +1074,7 @@ 
             $sent_queue = self::$_MSG_PROCESSOR->batch_send_from_queue($messages);
         }
 
-        if (! $sent_queue instanceof EE_Messages_Queue) {
+        if ( ! $sent_queue instanceof EE_Messages_Queue) {
             EE_Error::add_error(
                 __('The messages were not sent. This could mean there is already a batch being sent on a separate request, or because the selected messages are not sendable. Please wait a minute or two and try again.',
                     'event_espresso'),
@@ -1215,7 +1215,7 @@ 
                 __FILE__, __FUNCTION__, __LINE__
             );
         }
-        return (bool)$queue_count;
+        return (bool) $queue_count;
     }
 
 
@@ -1246,7 +1246,7 @@ 
                 $info['TXN_status']    = $transaction->status_ID();
                 $info['TXN_reg_steps'] = $transaction->reg_steps();
                 if ($transaction->ID()) {
-                    $index = 'EE_Transaction: ' . $transaction->ID();
+                    $index = 'EE_Transaction: '.$transaction->ID();
                     EEH_Debug_Tools::log($class, $func, $line, $info, $display_request, $index);
                 }
             }

core/libraries/messages/validators/EE_Messages_Validator.core.php

Doc Comments +1 added lines, -1 removed lines

@@ -505,7 +505,7 @@
      *
      * @param  string $value            string to evaluate
      * @param  array  $valid_shortcodes array of shortcodes that are acceptable.
-     * @return mixed (bool|string)  return either a list of invalid shortcodes OR false if the shortcodes validate.
+     * @return false|string (bool|string)  return either a list of invalid shortcodes OR false if the shortcodes validate.
      */
     protected function _invalid_shortcodes($value, $valid_shortcodes)
     {

Indentation +626 added lines, -626 removed lines

@@ -1,7 +1,7 @@ 
 <?php
 
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('NO direct script access allowed');
+	exit('NO direct script access allowed');
 }
 
 /**
@@ -22,630 +22,630 @@ 
 {
 
 
-    /**
-     * These properties just hold the name for the Messenger and Message Type (defined by child classes).
-     * These are used for retrieving objects etc.
-     *
-     * @var string
-     */
-    protected $_m_name;
-    protected $_mt_name;
-
-
-    /**
-     * This will hold any error messages from the validation process.
-     * The _errors property holds an associative array of error messages
-     * listing the field as the key and the message as the value.
-     *
-     * @var array()
-     */
-    private $_errors = array();
-
-
-    /**
-     * holds an array of fields being validated
-     *
-     * @var string
-     */
-    protected $_fields;
-
-
-    /**
-     * this will hold the incoming context
-     *
-     * @var string
-     */
-    protected $_context;
-
-
-    /**
-     * this holds an array of fields and the relevant validation information
-     * that the incoming fields data get validated against.
-     * This gets setup in the _set_props() method.
-     *
-     * @var array
-     */
-    protected $_validators;
-
-
-    /**
-     * holds the messenger object
-     *
-     * @var object
-     */
-    protected $_messenger;
-
-
-    /**
-     * holds the message type object
-     *
-     * @var object
-     */
-    protected $_message_type;
-
-
-    /**
-     * will hold any valid_shortcode modifications made by the _modify_validator() method.
-     *
-     * @var array
-     */
-    protected $_valid_shortcodes_modifier;
-
-
-    /**
-     * There may be times where a message type wants to include a shortcode group but exclude specific
-     * shortcodes.  If that's the case then it can set this property as an array of shortcodes to exclude and
-     * they will not be allowed.
-     * Array should be indexed by field and values are an array of specific shortcodes to exclude.
-     *
-     * @var array
-     */
-    protected $_specific_shortcode_excludes = array();
-
-
-    /**
-     * Runs the validator using the incoming fields array as the fields/values to check.
-     *
-     * @param array $fields The fields sent by the EEM object.
-     * @param       $context
-     * @throws \EE_Error
-     */
-    public function __construct($fields, $context)
-    {
-        //check that _m_name and _mt_name have been set by child class otherwise we get out.
-        if (empty($this->_m_name) || empty($this->_mt_name)) {
-            throw new EE_Error(
-                __(
-                    'EE_Messages_Validator child classes MUST set the $_m_name and $_mt_name property.  Check that the child class is doing this',
-                    'event_espresso'
-                )
-            );
-        }
-        $this->_fields  = $fields;
-        $this->_context = $context;
-
-        //load messenger and message_type objects and the related shortcode objects.
-        $this->_load_objects();
-
-
-        //modify any messenger/message_type specific validation instructions.  This is what child classes define.
-        $this->_modify_validator();
-
-
-        //let's set validators property
-        $this->_set_validators();
-    }
-
-
-    /**
-     * Child classes instantiate this and use it to modify the _validator_config array property
-     * for the messenger using messengers set_validate_config() method.
-     * This is so we can specify specific validation instructions for a messenger/message_type combo
-     * that aren't handled by the defaults setup in the messenger.
-     *
-     * @abstract
-     * @access protected
-     * @return void
-     */
-    abstract protected function _modify_validator();
-
-
-    /**
-     * loads all objects used by validator
-     *
-     * @access private
-     * @throws \EE_Error
-     */
-    private function _load_objects()
-    {
-        //load messenger
-        $messenger = ucwords(str_replace('_', ' ', $this->_m_name));
-        $messenger = str_replace(' ', '_', $messenger);
-        $messenger = 'EE_' . $messenger . '_messenger';
-
-        if (! class_exists($messenger)) {
-            throw new EE_Error(
-                sprintf(
-                    __('There is no messenger class for the given string (%s)', 'event_espresso'),
-                    $this->_m_name
-                )
-            );
-        }
-
-        $this->_messenger = new $messenger();
-
-        //load message type
-        $message_type = ucwords(str_replace('_', ' ', $this->_mt_name));
-        $message_type = str_replace(' ', '_', $message_type);
-        $message_type = 'EE_' . $message_type . '_message_type';
-
-        if (! class_exists($message_type)) {
-            throw new EE_Error(
-                sprintf(
-                    __('There is no message type class for the given string (%s)', 'event_espresso'),
-                    $this->_mt_name
-                )
-            );
-        }
-
-        $this->_message_type = new $message_type();
-
-    }
-
-
-    /**
-     * used to set the $_validators property
-     *
-     * @access private
-     * @return void
-     */
-    private function _set_validators()
-    {
-        // let's get all valid shortcodes from mt and message type
-        // (messenger will have its set in the _validator_config property for the messenger)
-        $mt_codes = $this->_message_type->get_valid_shortcodes();
-
-
-        //get messenger validator_config
-        $msgr_validator = $this->_messenger->get_validator_config();
-
-
-        //we only want the valid shortcodes for the given context!
-        $context  = $this->_context;
-        $mt_codes = $mt_codes[$context];
-
-        // in this first loop we're just getting all shortcode group indexes from the msgr_validator
-        // into a single array (so we can get the appropriate shortcode objects for the groups)
-        $shortcode_groups = $mt_codes;
-        $groups_per_field = array();
-
-        foreach ($msgr_validator as $field => $config) {
-            if (empty($config) || ! isset($config['shortcodes'])) {
-                continue;
-            }  //Nothing to see here.
-            $groups_per_field[$field] = array_intersect($config['shortcodes'], $mt_codes);
-            $shortcode_groups         = array_merge($config['shortcodes'], $shortcode_groups);
-        }
-
-        $shortcode_groups = array_unique($shortcode_groups);
-
-        // okay now we've got our groups.
-        // Let's get the codes from the objects into an array indexed by group for easy retrieval later.
-        $codes_from_objs = array();
-
-        foreach ($shortcode_groups as $group) {
-            $ref       = ucwords(str_replace('_', ' ', $group));
-            $ref       = str_replace(' ', '_', $ref);
-            $classname = 'EE_' . $ref . '_Shortcodes';
-            if (class_exists($classname)) {
-                $a                       = new ReflectionClass($classname);
-                $obj                     = $a->newInstance();
-                $codes_from_objs[$group] = $obj->get_shortcodes();
-            }
-        }
-
-
-        //let's just replace the $mt shortcode group indexes with the actual shortcodes (unique)
-        $final_mt_codes = array();
-        foreach ($mt_codes as $group) {
-            $final_mt_codes = array_merge($final_mt_codes, $codes_from_objs[$group]);
-        }
-
-        $mt_codes = $final_mt_codes;
-
-
-        // k now in this next loop we're going to loop through $msgr_validator again
-        // and setup the _validators property from the data we've setup so far.
-        foreach ($msgr_validator as $field => $config) {
-            //if required shortcode is not in our list of codes for the given field, then we skip this field.
-            $required = isset($config['required'])
-                ? array_intersect($config['required'], array_keys($mt_codes))
-                : true;
-            if (empty($required)) {
-                continue;
-            }
-
-            //If we have an override then we use it to indicate the codes we want.
-            if (isset($this->_valid_shortcodes_modifier[$context][$field])) {
-                $this->_validators[$field]['shortcodes'] = $this->_reassemble_valid_shortcodes_from_group(
-                    $this->_valid_shortcodes_modifier[$context][$field],
-                    $codes_from_objs
-                );
-            } //if we have specific shortcodes for a field then we need to use them
-            else if (isset($groups_per_field[$field])) {
-                $this->_validators[$field]['shortcodes'] = $this->_reassemble_valid_shortcodes_from_group(
-                    $groups_per_field[$field],
-                    $codes_from_objs
-                );
-            } //if empty config then we're assuming we're just going to use the shortcodes from the message type context
-            else if (empty($config)) {
-                $this->_validators[$field]['shortcodes'] = $mt_codes;
-            } //if we have specific shortcodes then we need to use them
-            else if (isset($config['specific_shortcodes'])) {
-                $this->_validators[$field]['shortcodes'] = $config['specific_shortcodes'];
-            } //otherwise the shortcodes are what is set by the messenger for that field
-            else {
-                foreach ($config['shortcodes'] as $group) {
-                    $this->_validators[$field]['shortcodes'] = isset($this->_validators[$field]['shortcodes'])
-                        ? array_merge($this->_validators[$field]['shortcodes'], $codes_from_objs[$group])
-                        : $codes_from_objs[$group];
-                }
-            }
-
-            //now let's just make sure that any excluded specific shortcodes are removed.
-            $specific_excludes = $this->get_specific_shortcode_excludes();
-            if (isset($specific_excludes[$field])) {
-                foreach ($specific_excludes[$field] as $sex) {
-                    if (isset($this->_validators[$field]['shortcodes'][$sex])) {
-                        unset($this->_validators[$field]['shortcodes'][$sex]);
-                    }
-                }
-            }
-
-            //hey! don't forget to include the type if present!
-            $this->_validators[$field]['type'] = isset($config['type']) ? $config['type'] : null;
-        }
-    }
-
-
-    /**
-     * This just returns the validators property that contains information
-     * about the various shortcodes and their availability with each field
-     *
-     * @return array
-     */
-    public function get_validators()
-    {
-        return $this->_validators;
-    }
-
-
-    /**
-     * This simply returns the specific shortcode_excludes property that is set.
-     *
-     * @since 4.5.0
-     * @return array
-     */
-    public function get_specific_shortcode_excludes()
-    {
-        //specific validator filter
-        $shortcode_excludes = apply_filters(
-            'FHEE__' . get_class($this) . '__get_specific_shortcode_excludes;',
-            $this->_specific_shortcode_excludes,
-            $this->_context
-        );
-        //global filter
-        return apply_filters(
-            'FHEE__EE_Messages_Validator__get_specific_shortcode_excludes',
-            $shortcode_excludes,
-            $this->_context,
-            $this
-        );
-    }
-
-
-    /**
-     * This is the main method that handles validation
-     * What it does is loop through the _fields (the ones that get validated)
-     * and checks them against the shortcodes array for the field and the 'type' indicated by the
-     *
-     * @access public
-     * @return mixed (bool|array)  if errors present we return the array otherwise true
-     */
-    public function validate()
-    {
-        //some defaults
-        $template_fields = $this->_messenger->get_template_fields();
-        //loop through the fields and check!
-        foreach ($this->_fields as $field => $value) {
-            $this->_errors[$field] = array();
-            $err_msg               = '';
-            $field_label           = '';
-            //if field is not present in the _validators array then we continue
-            if (! isset($this->_validators[$field])) {
-                unset($this->_errors[$field]);
-                continue;
-            }
-
-            //get the translated field label!
-            //first check if it's in the main fields list
-            if (isset($template_fields[$field])) {
-                if (empty($template_fields[$field])) {
-                    $field_label = $field;
-                } //most likely the field is found in the 'extra' array.
-                else {
-                    $field_label = $template_fields[$field]['label'];
-                }
-            }
-
-            // if field label is empty OR is equal to the current field
-            // then we need to loop through the 'extra' fields in the template_fields config (if present)
-            if (isset($template_fields['extra']) && (empty($field_label)) || $field_label == $field) {
-                foreach ($template_fields['extra'] as $main_field => $secondary_field) {
-                    foreach ($secondary_field as $name => $values) {
-                        if ($name == $field) {
-                            $field_label = $values['label'];
-                        }
-
-                        // if we've got a 'main' secondary field, let's see if that matches what field we're on
-                        // which means it contains the label for this field.
-                        if ($name == 'main' && $main_field == $field_label) {
-                            $field_label = $values['label'];
-                        }
-                    }
-                }
-            }
-
-            //field is present. Let's validate shortcodes first (but only if shortcodes present).
-            if (
-                isset($this->_validators[$field]['shortcodes'])
-                && ! empty($this->_validators[$field]['shortcodes'])
-            ) {
-                $invalid_shortcodes = $this->_invalid_shortcodes($value, $this->_validators[$field]['shortcodes']);
-                // if true then that means there is a returned error message
-                // that we'll need to add to the _errors array for this field.
-                if ($invalid_shortcodes) {
-                    $v_s     = array_keys($this->_validators[$field]['shortcodes']);
-                    $err_msg = sprintf(
-                        __(
-                            '%3$sThe following shortcodes were found in the "%1$s" field that ARE not valid: %2$s%4$s',
-                            'event_espresso'
-                        ),
-                        '<strong>' . $field_label . '</strong>',
-                        $invalid_shortcodes,
-                        '<p>',
-                        '</p >'
-                    );
-                    $err_msg .= sprintf(
-                        __('%2$sValid shortcodes for this field are: %1$s%3$s', 'event_espresso'),
-                        implode(', ', $v_s),
-                        '<strong>',
-                        '</strong>'
-                    );
-                }
-            }
-
-            //if there's a "type" to be validated then let's do that too.
-            if (isset($this->_validators[$field]['type']) && ! empty($this->_validators[$field]['type'])) {
-                switch ($this->_validators[$field]['type']) {
-                    case 'number' :
-                        if (! is_numeric($value)) {
-                            $err_msg .= sprintf(
-                                __(
-                                    '%3$sThe %1$s field is supposed to be a number. The value given (%2$s)  is not.  Please double-check and make sure the field contains a number%4$s',
-                                    'event_espresso'
-                                ),
-                                $field_label,
-                                $value,
-                                '<p>',
-                                '</p >'
-                            );
-                        }
-                        break;
-                    case 'email' :
-                        $valid_email = $this->_validate_email($value);
-                        if (! $valid_email) {
-                            $err_msg .= htmlentities(
-                                sprintf(
-                                    __(
-                                        'The %1$s field has at least one string that is not a valid email address record.  Valid emails are in the format: "Name <email@something.com>" or "email@something.com" and multiple emails can be separated by a comma.'
-                                    ),
-                                    $field_label
-
-                                )
-                            );
-                        }
-                        break;
-                    default :
-                        break;
-                }
-            }
-
-            //if $err_msg isn't empty let's setup the _errors array for this field.
-            if (! empty($err_msg)) {
-                $this->_errors[$field]['msg'] = $err_msg;
-            } else {
-                unset($this->_errors[$field]);
-            }
-        }
-
-        // if we have ANY errors, then we want to make sure we return the values
-        // for ALL the fields so the user doesn't have to retype them all.
-        if (! empty($this->_errors)) {
-            foreach ($this->_fields as $field => $value) {
-                $this->_errors[$field]['value'] = stripslashes($value);
-            }
-        }
-
-        //return any errors or just TRUE if everything validates
-        return empty($this->_errors) ? true : $this->_errors;
-    }
-
-
-    /**
-     * Reassembles and returns an array of valid shortcodes
-     * given the array of groups and array of shortcodes indexed by group.
-     *
-     * @param  array $groups          array of shortcode groups that we want shortcodes for
-     * @param  array $codes_from_objs All the codes available.
-     * @return array                   an array of actual shortcodes (that will be used for validation).
-     */
-    private function _reassemble_valid_shortcodes_from_group($groups, $codes_from_objs)
-    {
-        $shortcodes = array();
-        foreach ($groups as $group) {
-            $shortcodes = array_merge($shortcodes, $codes_from_objs[$group]);
-        }
-        return $shortcodes;
-    }
-
-
-    /**
-     * Validates a string against a list of accepted shortcodes
-     * This function takes in an array of shortcodes
-     * and makes sure that the given string ONLY contains shortcodes in that array.
-     *
-     * @param  string $value            string to evaluate
-     * @param  array  $valid_shortcodes array of shortcodes that are acceptable.
-     * @return mixed (bool|string)  return either a list of invalid shortcodes OR false if the shortcodes validate.
-     */
-    protected function _invalid_shortcodes($value, $valid_shortcodes)
-    {
-        //first we need to go through the string and get the shortcodes in the string
-        preg_match_all('/(\[.+?\])/', $value, $matches);
-        $incoming_shortcodes = (array)$matches[0];
-
-        //get a diff of the shortcodes in the string vs the valid shortcodes
-        $diff = array_diff($incoming_shortcodes, array_keys($valid_shortcodes));
-
-        //we need to account for custom codes so let's loop through the diff and remove any of those type of codes
-        foreach ($diff as $ind => $code) {
-            if (preg_match('/(\[[A-Za-z0-9\_]+_\*)/', $code)) {
-                //strip the shortcode so we just have the BASE string (i.e. [ANSWER_*] )
-                $dynamic_sc = preg_replace('/(_\*+.+)/', '_*]', $code);
-                //does this exist in the $valid_shortcodes?  If so then unset.
-                if (isset($valid_shortcodes[$dynamic_sc])) {
-                    unset($diff[$ind]);
-                }
-            }
-        }
-
-        if (empty($diff)) {
-            return false;
-        } //there is no diff, we have no invalid shortcodes, so return
-
-        //made it here? then let's assemble the error message
-        $invalid_shortcodes = implode('</strong>,<strong>', $diff);
-        $invalid_shortcodes = '<strong>' . $invalid_shortcodes . '</strong>';
-        return $invalid_shortcodes;
-    }
-
-
-    /**
-     * Validates an incoming string and makes sure we have valid emails in the string.
-     *
-     * @param  string $value incoming value to validate
-     * @return bool        true if the string validates, false if it doesn't
-     */
-    protected function _validate_email($value)
-    {
-        $validate = true;
-        $or_val   = $value;
-
-        // empty strings will validate because this is how a message template
-        // for a particular context can be "turned off" (if there is no email then no message)
-        if (empty($value)) {
-            return $validate;
-        }
-
-        // first determine if there ARE any shortcodes.
-        // If there are shortcodes and then later we find that there were no other valid emails
-        // but the field isn't empty...
-        // that means we've got extra commas that were left after stripping out shortcodes so probably still valid.
-        $has_shortcodes = preg_match('/(\[.+?\])/', $value);
-
-        //first we need to strip out all the shortcodes!
-        $value = preg_replace('/(\[.+?\])/', '', $value);
-
-        // if original value is not empty and new value is, then we've parsed out a shortcode
-        // and we now have an empty string which DOES validate.
-        // We also validate complete empty field for email because
-        // its possible that this message is being "turned off" for a particular context
-
-
-        if (! empty($or_val) && empty($value)) {
-            return $validate;
-        }
-
-        //trim any commas from beginning and end of string ( after whitespace trimmed );
-        $value = trim(trim($value), ',');
-
-
-        //next we need to split up the string if its comma delimited.
-        $emails = explode(',', $value);
-        $empty  = false; //used to indicate that there is an empty comma.
-        //now let's loop through the emails and do our checks
-        foreach ($emails as $email) {
-            if (empty($email)) {
-                $empty = true;
-                continue;
-            }
-
-            //trim whitespace
-            $email = trim($email);
-            //either its of type "bob@whatever.com", or its of type "fname lname <few@few.few>"
-            if (is_email($email)) {
-                continue;
-            } else {
-                $matches  = array();
-                $validate = preg_match('/(.*)<(.+)>/', $email, $matches) ? true : false;
-                if ($validate && is_email($matches[2])) {
-                    continue;
-                } else {
-                    return false;
-                }
-            }
-        }
-
-        $validate = $empty && ! $has_shortcodes ? false : $validate;
-
-        return $validate;
-
-    }
-
-
-    /**
-     * Magic getter
-     * Using this to provide back compat with add-ons referencing deprecated properties.
-     *
-     * @param string $property Property being requested
-     * @throws Exception
-     * @return mixed
-     */
-    public function __get($property)
-    {
-        $expected_properties_map = array(
-            /**
-             * @deprecated 4.9.0
-             */
-            '_MSGR'   => '_messenger',
-            /**
-             * @deprecated 4.9.0
-             */
-            '_MSGTYP' => '_message_type',
-        );
-
-        if (isset($expected_properties_map[$property])) {
-            return $this->{$expected_properties_map[$property]};
-        }
-
-        throw new Exception(
-            sprintf(
-                __('The property %1$s being requested on %2$s does not exist', 'event_espresso'),
-                $property,
-                get_class($this)
-            )
-        );
-    }
+	/**
+	 * These properties just hold the name for the Messenger and Message Type (defined by child classes).
+	 * These are used for retrieving objects etc.
+	 *
+	 * @var string
+	 */
+	protected $_m_name;
+	protected $_mt_name;
+
+
+	/**
+	 * This will hold any error messages from the validation process.
+	 * The _errors property holds an associative array of error messages
+	 * listing the field as the key and the message as the value.
+	 *
+	 * @var array()
+	 */
+	private $_errors = array();
+
+
+	/**
+	 * holds an array of fields being validated
+	 *
+	 * @var string
+	 */
+	protected $_fields;
+
+
+	/**
+	 * this will hold the incoming context
+	 *
+	 * @var string
+	 */
+	protected $_context;
+
+
+	/**
+	 * this holds an array of fields and the relevant validation information
+	 * that the incoming fields data get validated against.
+	 * This gets setup in the _set_props() method.
+	 *
+	 * @var array
+	 */
+	protected $_validators;
+
+
+	/**
+	 * holds the messenger object
+	 *
+	 * @var object
+	 */
+	protected $_messenger;
+
+
+	/**
+	 * holds the message type object
+	 *
+	 * @var object
+	 */
+	protected $_message_type;
+
+
+	/**
+	 * will hold any valid_shortcode modifications made by the _modify_validator() method.
+	 *
+	 * @var array
+	 */
+	protected $_valid_shortcodes_modifier;
+
+
+	/**
+	 * There may be times where a message type wants to include a shortcode group but exclude specific
+	 * shortcodes.  If that's the case then it can set this property as an array of shortcodes to exclude and
+	 * they will not be allowed.
+	 * Array should be indexed by field and values are an array of specific shortcodes to exclude.
+	 *
+	 * @var array
+	 */
+	protected $_specific_shortcode_excludes = array();
+
+
+	/**
+	 * Runs the validator using the incoming fields array as the fields/values to check.
+	 *
+	 * @param array $fields The fields sent by the EEM object.
+	 * @param       $context
+	 * @throws \EE_Error
+	 */
+	public function __construct($fields, $context)
+	{
+		//check that _m_name and _mt_name have been set by child class otherwise we get out.
+		if (empty($this->_m_name) || empty($this->_mt_name)) {
+			throw new EE_Error(
+				__(
+					'EE_Messages_Validator child classes MUST set the $_m_name and $_mt_name property.  Check that the child class is doing this',
+					'event_espresso'
+				)
+			);
+		}
+		$this->_fields  = $fields;
+		$this->_context = $context;
+
+		//load messenger and message_type objects and the related shortcode objects.
+		$this->_load_objects();
+
+
+		//modify any messenger/message_type specific validation instructions.  This is what child classes define.
+		$this->_modify_validator();
+
+
+		//let's set validators property
+		$this->_set_validators();
+	}
+
+
+	/**
+	 * Child classes instantiate this and use it to modify the _validator_config array property
+	 * for the messenger using messengers set_validate_config() method.
+	 * This is so we can specify specific validation instructions for a messenger/message_type combo
+	 * that aren't handled by the defaults setup in the messenger.
+	 *
+	 * @abstract
+	 * @access protected
+	 * @return void
+	 */
+	abstract protected function _modify_validator();
+
+
+	/**
+	 * loads all objects used by validator
+	 *
+	 * @access private
+	 * @throws \EE_Error
+	 */
+	private function _load_objects()
+	{
+		//load messenger
+		$messenger = ucwords(str_replace('_', ' ', $this->_m_name));
+		$messenger = str_replace(' ', '_', $messenger);
+		$messenger = 'EE_' . $messenger . '_messenger';
+
+		if (! class_exists($messenger)) {
+			throw new EE_Error(
+				sprintf(
+					__('There is no messenger class for the given string (%s)', 'event_espresso'),
+					$this->_m_name
+				)
+			);
+		}
+
+		$this->_messenger = new $messenger();
+
+		//load message type
+		$message_type = ucwords(str_replace('_', ' ', $this->_mt_name));
+		$message_type = str_replace(' ', '_', $message_type);
+		$message_type = 'EE_' . $message_type . '_message_type';
+
+		if (! class_exists($message_type)) {
+			throw new EE_Error(
+				sprintf(
+					__('There is no message type class for the given string (%s)', 'event_espresso'),
+					$this->_mt_name
+				)
+			);
+		}
+
+		$this->_message_type = new $message_type();
+
+	}
+
+
+	/**
+	 * used to set the $_validators property
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _set_validators()
+	{
+		// let's get all valid shortcodes from mt and message type
+		// (messenger will have its set in the _validator_config property for the messenger)
+		$mt_codes = $this->_message_type->get_valid_shortcodes();
+
+
+		//get messenger validator_config
+		$msgr_validator = $this->_messenger->get_validator_config();
+
+
+		//we only want the valid shortcodes for the given context!
+		$context  = $this->_context;
+		$mt_codes = $mt_codes[$context];
+
+		// in this first loop we're just getting all shortcode group indexes from the msgr_validator
+		// into a single array (so we can get the appropriate shortcode objects for the groups)
+		$shortcode_groups = $mt_codes;
+		$groups_per_field = array();
+
+		foreach ($msgr_validator as $field => $config) {
+			if (empty($config) || ! isset($config['shortcodes'])) {
+				continue;
+			}  //Nothing to see here.
+			$groups_per_field[$field] = array_intersect($config['shortcodes'], $mt_codes);
+			$shortcode_groups         = array_merge($config['shortcodes'], $shortcode_groups);
+		}
+
+		$shortcode_groups = array_unique($shortcode_groups);
+
+		// okay now we've got our groups.
+		// Let's get the codes from the objects into an array indexed by group for easy retrieval later.
+		$codes_from_objs = array();
+
+		foreach ($shortcode_groups as $group) {
+			$ref       = ucwords(str_replace('_', ' ', $group));
+			$ref       = str_replace(' ', '_', $ref);
+			$classname = 'EE_' . $ref . '_Shortcodes';
+			if (class_exists($classname)) {
+				$a                       = new ReflectionClass($classname);
+				$obj                     = $a->newInstance();
+				$codes_from_objs[$group] = $obj->get_shortcodes();
+			}
+		}
+
+
+		//let's just replace the $mt shortcode group indexes with the actual shortcodes (unique)
+		$final_mt_codes = array();
+		foreach ($mt_codes as $group) {
+			$final_mt_codes = array_merge($final_mt_codes, $codes_from_objs[$group]);
+		}
+
+		$mt_codes = $final_mt_codes;
+
+
+		// k now in this next loop we're going to loop through $msgr_validator again
+		// and setup the _validators property from the data we've setup so far.
+		foreach ($msgr_validator as $field => $config) {
+			//if required shortcode is not in our list of codes for the given field, then we skip this field.
+			$required = isset($config['required'])
+				? array_intersect($config['required'], array_keys($mt_codes))
+				: true;
+			if (empty($required)) {
+				continue;
+			}
+
+			//If we have an override then we use it to indicate the codes we want.
+			if (isset($this->_valid_shortcodes_modifier[$context][$field])) {
+				$this->_validators[$field]['shortcodes'] = $this->_reassemble_valid_shortcodes_from_group(
+					$this->_valid_shortcodes_modifier[$context][$field],
+					$codes_from_objs
+				);
+			} //if we have specific shortcodes for a field then we need to use them
+			else if (isset($groups_per_field[$field])) {
+				$this->_validators[$field]['shortcodes'] = $this->_reassemble_valid_shortcodes_from_group(
+					$groups_per_field[$field],
+					$codes_from_objs
+				);
+			} //if empty config then we're assuming we're just going to use the shortcodes from the message type context
+			else if (empty($config)) {
+				$this->_validators[$field]['shortcodes'] = $mt_codes;
+			} //if we have specific shortcodes then we need to use them
+			else if (isset($config['specific_shortcodes'])) {
+				$this->_validators[$field]['shortcodes'] = $config['specific_shortcodes'];
+			} //otherwise the shortcodes are what is set by the messenger for that field
+			else {
+				foreach ($config['shortcodes'] as $group) {
+					$this->_validators[$field]['shortcodes'] = isset($this->_validators[$field]['shortcodes'])
+						? array_merge($this->_validators[$field]['shortcodes'], $codes_from_objs[$group])
+						: $codes_from_objs[$group];
+				}
+			}
+
+			//now let's just make sure that any excluded specific shortcodes are removed.
+			$specific_excludes = $this->get_specific_shortcode_excludes();
+			if (isset($specific_excludes[$field])) {
+				foreach ($specific_excludes[$field] as $sex) {
+					if (isset($this->_validators[$field]['shortcodes'][$sex])) {
+						unset($this->_validators[$field]['shortcodes'][$sex]);
+					}
+				}
+			}
+
+			//hey! don't forget to include the type if present!
+			$this->_validators[$field]['type'] = isset($config['type']) ? $config['type'] : null;
+		}
+	}
+
+
+	/**
+	 * This just returns the validators property that contains information
+	 * about the various shortcodes and their availability with each field
+	 *
+	 * @return array
+	 */
+	public function get_validators()
+	{
+		return $this->_validators;
+	}
+
+
+	/**
+	 * This simply returns the specific shortcode_excludes property that is set.
+	 *
+	 * @since 4.5.0
+	 * @return array
+	 */
+	public function get_specific_shortcode_excludes()
+	{
+		//specific validator filter
+		$shortcode_excludes = apply_filters(
+			'FHEE__' . get_class($this) . '__get_specific_shortcode_excludes;',
+			$this->_specific_shortcode_excludes,
+			$this->_context
+		);
+		//global filter
+		return apply_filters(
+			'FHEE__EE_Messages_Validator__get_specific_shortcode_excludes',
+			$shortcode_excludes,
+			$this->_context,
+			$this
+		);
+	}
+
+
+	/**
+	 * This is the main method that handles validation
+	 * What it does is loop through the _fields (the ones that get validated)
+	 * and checks them against the shortcodes array for the field and the 'type' indicated by the
+	 *
+	 * @access public
+	 * @return mixed (bool|array)  if errors present we return the array otherwise true
+	 */
+	public function validate()
+	{
+		//some defaults
+		$template_fields = $this->_messenger->get_template_fields();
+		//loop through the fields and check!
+		foreach ($this->_fields as $field => $value) {
+			$this->_errors[$field] = array();
+			$err_msg               = '';
+			$field_label           = '';
+			//if field is not present in the _validators array then we continue
+			if (! isset($this->_validators[$field])) {
+				unset($this->_errors[$field]);
+				continue;
+			}
+
+			//get the translated field label!
+			//first check if it's in the main fields list
+			if (isset($template_fields[$field])) {
+				if (empty($template_fields[$field])) {
+					$field_label = $field;
+				} //most likely the field is found in the 'extra' array.
+				else {
+					$field_label = $template_fields[$field]['label'];
+				}
+			}
+
+			// if field label is empty OR is equal to the current field
+			// then we need to loop through the 'extra' fields in the template_fields config (if present)
+			if (isset($template_fields['extra']) && (empty($field_label)) || $field_label == $field) {
+				foreach ($template_fields['extra'] as $main_field => $secondary_field) {
+					foreach ($secondary_field as $name => $values) {
+						if ($name == $field) {
+							$field_label = $values['label'];
+						}
+
+						// if we've got a 'main' secondary field, let's see if that matches what field we're on
+						// which means it contains the label for this field.
+						if ($name == 'main' && $main_field == $field_label) {
+							$field_label = $values['label'];
+						}
+					}
+				}
+			}
+
+			//field is present. Let's validate shortcodes first (but only if shortcodes present).
+			if (
+				isset($this->_validators[$field]['shortcodes'])
+				&& ! empty($this->_validators[$field]['shortcodes'])
+			) {
+				$invalid_shortcodes = $this->_invalid_shortcodes($value, $this->_validators[$field]['shortcodes']);
+				// if true then that means there is a returned error message
+				// that we'll need to add to the _errors array for this field.
+				if ($invalid_shortcodes) {
+					$v_s     = array_keys($this->_validators[$field]['shortcodes']);
+					$err_msg = sprintf(
+						__(
+							'%3$sThe following shortcodes were found in the "%1$s" field that ARE not valid: %2$s%4$s',
+							'event_espresso'
+						),
+						'<strong>' . $field_label . '</strong>',
+						$invalid_shortcodes,
+						'<p>',
+						'</p >'
+					);
+					$err_msg .= sprintf(
+						__('%2$sValid shortcodes for this field are: %1$s%3$s', 'event_espresso'),
+						implode(', ', $v_s),
+						'<strong>',
+						'</strong>'
+					);
+				}
+			}
+
+			//if there's a "type" to be validated then let's do that too.
+			if (isset($this->_validators[$field]['type']) && ! empty($this->_validators[$field]['type'])) {
+				switch ($this->_validators[$field]['type']) {
+					case 'number' :
+						if (! is_numeric($value)) {
+							$err_msg .= sprintf(
+								__(
+									'%3$sThe %1$s field is supposed to be a number. The value given (%2$s)  is not.  Please double-check and make sure the field contains a number%4$s',
+									'event_espresso'
+								),
+								$field_label,
+								$value,
+								'<p>',
+								'</p >'
+							);
+						}
+						break;
+					case 'email' :
+						$valid_email = $this->_validate_email($value);
+						if (! $valid_email) {
+							$err_msg .= htmlentities(
+								sprintf(
+									__(
+										'The %1$s field has at least one string that is not a valid email address record.  Valid emails are in the format: "Name <email@something.com>" or "email@something.com" and multiple emails can be separated by a comma.'
+									),
+									$field_label
+
+								)
+							);
+						}
+						break;
+					default :
+						break;
+				}
+			}
+
+			//if $err_msg isn't empty let's setup the _errors array for this field.
+			if (! empty($err_msg)) {
+				$this->_errors[$field]['msg'] = $err_msg;
+			} else {
+				unset($this->_errors[$field]);
+			}
+		}
+
+		// if we have ANY errors, then we want to make sure we return the values
+		// for ALL the fields so the user doesn't have to retype them all.
+		if (! empty($this->_errors)) {
+			foreach ($this->_fields as $field => $value) {
+				$this->_errors[$field]['value'] = stripslashes($value);
+			}
+		}
+
+		//return any errors or just TRUE if everything validates
+		return empty($this->_errors) ? true : $this->_errors;
+	}
+
+
+	/**
+	 * Reassembles and returns an array of valid shortcodes
+	 * given the array of groups and array of shortcodes indexed by group.
+	 *
+	 * @param  array $groups          array of shortcode groups that we want shortcodes for
+	 * @param  array $codes_from_objs All the codes available.
+	 * @return array                   an array of actual shortcodes (that will be used for validation).
+	 */
+	private function _reassemble_valid_shortcodes_from_group($groups, $codes_from_objs)
+	{
+		$shortcodes = array();
+		foreach ($groups as $group) {
+			$shortcodes = array_merge($shortcodes, $codes_from_objs[$group]);
+		}
+		return $shortcodes;
+	}
+
+
+	/**
+	 * Validates a string against a list of accepted shortcodes
+	 * This function takes in an array of shortcodes
+	 * and makes sure that the given string ONLY contains shortcodes in that array.
+	 *
+	 * @param  string $value            string to evaluate
+	 * @param  array  $valid_shortcodes array of shortcodes that are acceptable.
+	 * @return mixed (bool|string)  return either a list of invalid shortcodes OR false if the shortcodes validate.
+	 */
+	protected function _invalid_shortcodes($value, $valid_shortcodes)
+	{
+		//first we need to go through the string and get the shortcodes in the string
+		preg_match_all('/(\[.+?\])/', $value, $matches);
+		$incoming_shortcodes = (array)$matches[0];
+
+		//get a diff of the shortcodes in the string vs the valid shortcodes
+		$diff = array_diff($incoming_shortcodes, array_keys($valid_shortcodes));
+
+		//we need to account for custom codes so let's loop through the diff and remove any of those type of codes
+		foreach ($diff as $ind => $code) {
+			if (preg_match('/(\[[A-Za-z0-9\_]+_\*)/', $code)) {
+				//strip the shortcode so we just have the BASE string (i.e. [ANSWER_*] )
+				$dynamic_sc = preg_replace('/(_\*+.+)/', '_*]', $code);
+				//does this exist in the $valid_shortcodes?  If so then unset.
+				if (isset($valid_shortcodes[$dynamic_sc])) {
+					unset($diff[$ind]);
+				}
+			}
+		}
+
+		if (empty($diff)) {
+			return false;
+		} //there is no diff, we have no invalid shortcodes, so return
+
+		//made it here? then let's assemble the error message
+		$invalid_shortcodes = implode('</strong>,<strong>', $diff);
+		$invalid_shortcodes = '<strong>' . $invalid_shortcodes . '</strong>';
+		return $invalid_shortcodes;
+	}
+
+
+	/**
+	 * Validates an incoming string and makes sure we have valid emails in the string.
+	 *
+	 * @param  string $value incoming value to validate
+	 * @return bool        true if the string validates, false if it doesn't
+	 */
+	protected function _validate_email($value)
+	{
+		$validate = true;
+		$or_val   = $value;
+
+		// empty strings will validate because this is how a message template
+		// for a particular context can be "turned off" (if there is no email then no message)
+		if (empty($value)) {
+			return $validate;
+		}
+
+		// first determine if there ARE any shortcodes.
+		// If there are shortcodes and then later we find that there were no other valid emails
+		// but the field isn't empty...
+		// that means we've got extra commas that were left after stripping out shortcodes so probably still valid.
+		$has_shortcodes = preg_match('/(\[.+?\])/', $value);
+
+		//first we need to strip out all the shortcodes!
+		$value = preg_replace('/(\[.+?\])/', '', $value);
+
+		// if original value is not empty and new value is, then we've parsed out a shortcode
+		// and we now have an empty string which DOES validate.
+		// We also validate complete empty field for email because
+		// its possible that this message is being "turned off" for a particular context
+
+
+		if (! empty($or_val) && empty($value)) {
+			return $validate;
+		}
+
+		//trim any commas from beginning and end of string ( after whitespace trimmed );
+		$value = trim(trim($value), ',');
+
+
+		//next we need to split up the string if its comma delimited.
+		$emails = explode(',', $value);
+		$empty  = false; //used to indicate that there is an empty comma.
+		//now let's loop through the emails and do our checks
+		foreach ($emails as $email) {
+			if (empty($email)) {
+				$empty = true;
+				continue;
+			}
+
+			//trim whitespace
+			$email = trim($email);
+			//either its of type "bob@whatever.com", or its of type "fname lname <few@few.few>"
+			if (is_email($email)) {
+				continue;
+			} else {
+				$matches  = array();
+				$validate = preg_match('/(.*)<(.+)>/', $email, $matches) ? true : false;
+				if ($validate && is_email($matches[2])) {
+					continue;
+				} else {
+					return false;
+				}
+			}
+		}
+
+		$validate = $empty && ! $has_shortcodes ? false : $validate;
+
+		return $validate;
+
+	}
+
+
+	/**
+	 * Magic getter
+	 * Using this to provide back compat with add-ons referencing deprecated properties.
+	 *
+	 * @param string $property Property being requested
+	 * @throws Exception
+	 * @return mixed
+	 */
+	public function __get($property)
+	{
+		$expected_properties_map = array(
+			/**
+			 * @deprecated 4.9.0
+			 */
+			'_MSGR'   => '_messenger',
+			/**
+			 * @deprecated 4.9.0
+			 */
+			'_MSGTYP' => '_message_type',
+		);
+
+		if (isset($expected_properties_map[$property])) {
+			return $this->{$expected_properties_map[$property]};
+		}
+
+		throw new Exception(
+			sprintf(
+				__('The property %1$s being requested on %2$s does not exist', 'event_espresso'),
+				$property,
+				get_class($this)
+			)
+		);
+	}
 
 }

Spacing +16 added lines, -16 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-if (! defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('NO direct script access allowed');
 }
 
@@ -161,9 +161,9 @@ 
         //load messenger
         $messenger = ucwords(str_replace('_', ' ', $this->_m_name));
         $messenger = str_replace(' ', '_', $messenger);
-        $messenger = 'EE_' . $messenger . '_messenger';
+        $messenger = 'EE_'.$messenger.'_messenger';
 
-        if (! class_exists($messenger)) {
+        if ( ! class_exists($messenger)) {
             throw new EE_Error(
                 sprintf(
                     __('There is no messenger class for the given string (%s)', 'event_espresso'),
@@ -177,9 +177,9 @@ 
         //load message type
         $message_type = ucwords(str_replace('_', ' ', $this->_mt_name));
         $message_type = str_replace(' ', '_', $message_type);
-        $message_type = 'EE_' . $message_type . '_message_type';
+        $message_type = 'EE_'.$message_type.'_message_type';
 
-        if (! class_exists($message_type)) {
+        if ( ! class_exists($message_type)) {
             throw new EE_Error(
                 sprintf(
                     __('There is no message type class for the given string (%s)', 'event_espresso'),
@@ -236,7 +236,7 @@ 
         foreach ($shortcode_groups as $group) {
             $ref       = ucwords(str_replace('_', ' ', $group));
             $ref       = str_replace(' ', '_', $ref);
-            $classname = 'EE_' . $ref . '_Shortcodes';
+            $classname = 'EE_'.$ref.'_Shortcodes';
             if (class_exists($classname)) {
                 $a                       = new ReflectionClass($classname);
                 $obj                     = $a->newInstance();
@@ -330,7 +330,7 @@ 
     {
         //specific validator filter
         $shortcode_excludes = apply_filters(
-            'FHEE__' . get_class($this) . '__get_specific_shortcode_excludes;',
+            'FHEE__'.get_class($this).'__get_specific_shortcode_excludes;',
             $this->_specific_shortcode_excludes,
             $this->_context
         );
@@ -362,7 +362,7 @@ 
             $err_msg               = '';
             $field_label           = '';
             //if field is not present in the _validators array then we continue
-            if (! isset($this->_validators[$field])) {
+            if ( ! isset($this->_validators[$field])) {
                 unset($this->_errors[$field]);
                 continue;
             }
@@ -411,7 +411,7 @@ 
                             '%3$sThe following shortcodes were found in the "%1$s" field that ARE not valid: %2$s%4$s',
                             'event_espresso'
                         ),
-                        '<strong>' . $field_label . '</strong>',
+                        '<strong>'.$field_label.'</strong>',
                         $invalid_shortcodes,
                         '<p>',
                         '</p >'
@@ -429,7 +429,7 @@ 
             if (isset($this->_validators[$field]['type']) && ! empty($this->_validators[$field]['type'])) {
                 switch ($this->_validators[$field]['type']) {
                     case 'number' :
-                        if (! is_numeric($value)) {
+                        if ( ! is_numeric($value)) {
                             $err_msg .= sprintf(
                                 __(
                                     '%3$sThe %1$s field is supposed to be a number. The value given (%2$s)  is not.  Please double-check and make sure the field contains a number%4$s',
@@ -444,7 +444,7 @@ 
                         break;
                     case 'email' :
                         $valid_email = $this->_validate_email($value);
-                        if (! $valid_email) {
+                        if ( ! $valid_email) {
                             $err_msg .= htmlentities(
                                 sprintf(
                                     __(
@@ -462,7 +462,7 @@ 
             }
 
             //if $err_msg isn't empty let's setup the _errors array for this field.
-            if (! empty($err_msg)) {
+            if ( ! empty($err_msg)) {
                 $this->_errors[$field]['msg'] = $err_msg;
             } else {
                 unset($this->_errors[$field]);
@@ -471,7 +471,7 @@ 
 
         // if we have ANY errors, then we want to make sure we return the values
         // for ALL the fields so the user doesn't have to retype them all.
-        if (! empty($this->_errors)) {
+        if ( ! empty($this->_errors)) {
             foreach ($this->_fields as $field => $value) {
                 $this->_errors[$field]['value'] = stripslashes($value);
             }
@@ -513,7 +513,7 @@ 
     {
         //first we need to go through the string and get the shortcodes in the string
         preg_match_all('/(\[.+?\])/', $value, $matches);
-        $incoming_shortcodes = (array)$matches[0];
+        $incoming_shortcodes = (array) $matches[0];
 
         //get a diff of the shortcodes in the string vs the valid shortcodes
         $diff = array_diff($incoming_shortcodes, array_keys($valid_shortcodes));
@@ -536,7 +536,7 @@ 
 
         //made it here? then let's assemble the error message
         $invalid_shortcodes = implode('</strong>,<strong>', $diff);
-        $invalid_shortcodes = '<strong>' . $invalid_shortcodes . '</strong>';
+        $invalid_shortcodes = '<strong>'.$invalid_shortcodes.'</strong>';
         return $invalid_shortcodes;
     }
 
@@ -573,7 +573,7 @@ 
         // its possible that this message is being "turned off" for a particular context
 
 
-        if (! empty($or_val) && empty($value)) {
+        if ( ! empty($or_val) && empty($value)) {
             return $validate;
         }
 

core/db_models/fields/EE_Post_Content_Field.php

Indentation +112 added lines, -112 removed lines

@@ -8,128 +8,128 @@
 class EE_Post_Content_Field extends EE_Text_Field_Base
 {
 
-    /**
-     * @param string $table_column
-     * @param string $nicename
-     * @param bool   $nullable
-     * @param null   $default_value
-     */
-    public function __construct($table_column, $nicename, $nullable, $default_value = null)
-    {
-        parent::__construct($table_column, $nicename, $nullable, $default_value);
-        $this->setSchemaType('object');
-    }
+	/**
+	 * @param string $table_column
+	 * @param string $nicename
+	 * @param bool   $nullable
+	 * @param null   $default_value
+	 */
+	public function __construct($table_column, $nicename, $nullable, $default_value = null)
+	{
+		parent::__construct($table_column, $nicename, $nullable, $default_value);
+		$this->setSchemaType('object');
+	}
 
 
-    /**
-     * removes all tags which a WP Post wouldn't allow in its content normally
-     *
-     * @param string $value
-     * @return string
-     */
-    public function prepare_for_set($value)
-    {
-        if (! current_user_can('unfiltered_html')) {
-            $value = wp_kses("$value", wp_kses_allowed_html('post'));
-        }
-        return parent::prepare_for_set($value);
-    }
+	/**
+	 * removes all tags which a WP Post wouldn't allow in its content normally
+	 *
+	 * @param string $value
+	 * @return string
+	 */
+	public function prepare_for_set($value)
+	{
+		if (! current_user_can('unfiltered_html')) {
+			$value = wp_kses("$value", wp_kses_allowed_html('post'));
+		}
+		return parent::prepare_for_set($value);
+	}
 
 
 
-    /**
-     * Runs the content through `the_content`, or if prepares the content for placing in a form input
-     * @param string $value_on_field_to_be_outputted
-     * @param string   $schema possible values: 'form_input' or null (if null, will run through 'the_content')
-     * @return string
-     * @throws EE_Error when WP_DEBUG is on and recursive calling is detected
-     */
-    public function prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema = null)
-    {
-        switch($schema){
-            case 'form_input':
-                return parent::prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema);
-            case 'the_content':
+	/**
+	 * Runs the content through `the_content`, or if prepares the content for placing in a form input
+	 * @param string $value_on_field_to_be_outputted
+	 * @param string   $schema possible values: 'form_input' or null (if null, will run through 'the_content')
+	 * @return string
+	 * @throws EE_Error when WP_DEBUG is on and recursive calling is detected
+	 */
+	public function prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema = null)
+	{
+		switch($schema){
+			case 'form_input':
+				return parent::prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema);
+			case 'the_content':
 
-                if(doing_filter( 'the_content')){
-                    if( defined('WP_DEBUG') && WP_DEBUG){
-                        throw new EE_Error(
-                            sprintf(
-                                esc_html__('You have recursively called "%1$s" with %2$s set to %3$s which uses "%2$s" filter. You should use it with %2$s "%3$s" instead here.', 'event_espresso'),
-                                'EE_Post_Content_Field::prepare_for_pretty_echoing',
-                                '$schema',
-                                'the_content',
-                                'the_content_wp_core_only'
-                            )
-                        );
-                    } else {
-                        return $this->prepare_for_pretty_echoing($value_on_field_to_be_outputted, 'the_content_wp_core_only');
-                    }
-                }
-                return apply_filters(
-                    'the_content',
-                    parent::prepare_for_pretty_echoing(
-                        $value_on_field_to_be_outputted,
-                        $schema
-                    )
-                );
-            case 'the_content_wp_core_only':
-            default:
-                self::_setup_the_content_wp_core_only_filters();
-                $return_value = apply_filters(
-                    'the_content_wp_core_only',
-                    parent::prepare_for_pretty_echoing(
-                        $value_on_field_to_be_outputted,
-                        $schema
-                    )
-                );
-                //ya know what? adding these filters is super fast. Let's just
-                //avoid needing to maintain global state and set this up as-needed
-                remove_all_filters('the_content_wp_core_only');
-                do_action( 'AHEE__EE_Post_Content_Field__prepare_for_pretty_echoing__the_content_wp_core_only__done');
-                return $return_value;
-        }
-    }
+				if(doing_filter( 'the_content')){
+					if( defined('WP_DEBUG') && WP_DEBUG){
+						throw new EE_Error(
+							sprintf(
+								esc_html__('You have recursively called "%1$s" with %2$s set to %3$s which uses "%2$s" filter. You should use it with %2$s "%3$s" instead here.', 'event_espresso'),
+								'EE_Post_Content_Field::prepare_for_pretty_echoing',
+								'$schema',
+								'the_content',
+								'the_content_wp_core_only'
+							)
+						);
+					} else {
+						return $this->prepare_for_pretty_echoing($value_on_field_to_be_outputted, 'the_content_wp_core_only');
+					}
+				}
+				return apply_filters(
+					'the_content',
+					parent::prepare_for_pretty_echoing(
+						$value_on_field_to_be_outputted,
+						$schema
+					)
+				);
+			case 'the_content_wp_core_only':
+			default:
+				self::_setup_the_content_wp_core_only_filters();
+				$return_value = apply_filters(
+					'the_content_wp_core_only',
+					parent::prepare_for_pretty_echoing(
+						$value_on_field_to_be_outputted,
+						$schema
+					)
+				);
+				//ya know what? adding these filters is super fast. Let's just
+				//avoid needing to maintain global state and set this up as-needed
+				remove_all_filters('the_content_wp_core_only');
+				do_action( 'AHEE__EE_Post_Content_Field__prepare_for_pretty_echoing__the_content_wp_core_only__done');
+				return $return_value;
+		}
+	}
 
 
 
-    /**
-     * Verifies we've setup the standard WP core filters on  'the_content_wp_core_only' filter
-     */
-    protected static function _setup_the_content_wp_core_only_filters()
-    {
-        add_filter('the_content_wp_core_only', array( $GLOBALS['wp_embed'], 'run_shortcode'), 8);
-        add_filter('the_content_wp_core_only', array( $GLOBALS['wp_embed'], 'autoembed'), 8);
-        add_filter('the_content_wp_core_only', 'wptexturize', 10);
-        add_filter('the_content_wp_core_only', 'wpautop', 10);
-        add_filter('the_content_wp_core_only', 'shortcode_unautop', 10);
-        add_filter('the_content_wp_core_only', 'prepend_attachment', 10);
-        if(function_exists('wp_make_content_images_responsive')) {
-            add_filter('the_content_wp_core_only', 'wp_make_content_images_responsive', 10);
-        }
-        add_filter('the_content_wp_core_only', 'do_shortcode', 11);
-        add_filter('the_content_wp_core_only', 'convert_smilies', 20);
-    }
+	/**
+	 * Verifies we've setup the standard WP core filters on  'the_content_wp_core_only' filter
+	 */
+	protected static function _setup_the_content_wp_core_only_filters()
+	{
+		add_filter('the_content_wp_core_only', array( $GLOBALS['wp_embed'], 'run_shortcode'), 8);
+		add_filter('the_content_wp_core_only', array( $GLOBALS['wp_embed'], 'autoembed'), 8);
+		add_filter('the_content_wp_core_only', 'wptexturize', 10);
+		add_filter('the_content_wp_core_only', 'wpautop', 10);
+		add_filter('the_content_wp_core_only', 'shortcode_unautop', 10);
+		add_filter('the_content_wp_core_only', 'prepend_attachment', 10);
+		if(function_exists('wp_make_content_images_responsive')) {
+			add_filter('the_content_wp_core_only', 'wp_make_content_images_responsive', 10);
+		}
+		add_filter('the_content_wp_core_only', 'do_shortcode', 11);
+		add_filter('the_content_wp_core_only', 'convert_smilies', 20);
+	}
 
 
 
-    public function getSchemaProperties()
-    {
-        return array(
-            'raw' => array(
-                'description' =>  sprintf(
-                    __('%s - the content as it exists in the database.', 'event_espresso'),
-                    $this->get_nicename()
-                ),
-                'type' => 'string'
-            ),
-            'rendered' => array(
-                'description' =>  sprintf(
-                    __('%s - the content rendered for display.', 'event_espresso'),
-                    $this->get_nicename()
-                ),
-                'type' => 'string'
-            )
-        );
-    }
+	public function getSchemaProperties()
+	{
+		return array(
+			'raw' => array(
+				'description' =>  sprintf(
+					__('%s - the content as it exists in the database.', 'event_espresso'),
+					$this->get_nicename()
+				),
+				'type' => 'string'
+			),
+			'rendered' => array(
+				'description' =>  sprintf(
+					__('%s - the content rendered for display.', 'event_espresso'),
+					$this->get_nicename()
+				),
+				'type' => 'string'
+			)
+		);
+	}
 }
\ No newline at end of file

Spacing +8 added lines, -8 removed lines

@@ -29,7 +29,7 @@ 
      */
     public function prepare_for_set($value)
     {
-        if (! current_user_can('unfiltered_html')) {
+        if ( ! current_user_can('unfiltered_html')) {
             $value = wp_kses("$value", wp_kses_allowed_html('post'));
         }
         return parent::prepare_for_set($value);
@@ -46,13 +46,13 @@ 
      */
     public function prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema = null)
     {
-        switch($schema){
+        switch ($schema) {
             case 'form_input':
                 return parent::prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema);
             case 'the_content':
 
-                if(doing_filter( 'the_content')){
-                    if( defined('WP_DEBUG') && WP_DEBUG){
+                if (doing_filter('the_content')) {
+                    if (defined('WP_DEBUG') && WP_DEBUG) {
                         throw new EE_Error(
                             sprintf(
                                 esc_html__('You have recursively called "%1$s" with %2$s set to %3$s which uses "%2$s" filter. You should use it with %2$s "%3$s" instead here.', 'event_espresso'),
@@ -86,7 +86,7 @@ 
                 //ya know what? adding these filters is super fast. Let's just
                 //avoid needing to maintain global state and set this up as-needed
                 remove_all_filters('the_content_wp_core_only');
-                do_action( 'AHEE__EE_Post_Content_Field__prepare_for_pretty_echoing__the_content_wp_core_only__done');
+                do_action('AHEE__EE_Post_Content_Field__prepare_for_pretty_echoing__the_content_wp_core_only__done');
                 return $return_value;
         }
     }
@@ -98,13 +98,13 @@ 
      */
     protected static function _setup_the_content_wp_core_only_filters()
     {
-        add_filter('the_content_wp_core_only', array( $GLOBALS['wp_embed'], 'run_shortcode'), 8);
-        add_filter('the_content_wp_core_only', array( $GLOBALS['wp_embed'], 'autoembed'), 8);
+        add_filter('the_content_wp_core_only', array($GLOBALS['wp_embed'], 'run_shortcode'), 8);
+        add_filter('the_content_wp_core_only', array($GLOBALS['wp_embed'], 'autoembed'), 8);
         add_filter('the_content_wp_core_only', 'wptexturize', 10);
         add_filter('the_content_wp_core_only', 'wpautop', 10);
         add_filter('the_content_wp_core_only', 'shortcode_unautop', 10);
         add_filter('the_content_wp_core_only', 'prepend_attachment', 10);
-        if(function_exists('wp_make_content_images_responsive')) {
+        if (function_exists('wp_make_content_images_responsive')) {
             add_filter('the_content_wp_core_only', 'wp_make_content_images_responsive', 10);
         }
         add_filter('the_content_wp_core_only', 'do_shortcode', 11);

core/db_models/fields/EE_Model_Field_Base.php

Indentation +638 added lines, -639 removed lines

@@ -21,643 +21,642 @@
  */
 abstract class EE_Model_Field_Base implements HasSchemaInterface
 {
-    /**
-     * The alias for the table the column belongs to.
-     * @var string
-     */
-    protected $_table_alias;
-
-    /**
-     * The actual db column name for the table
-     * @var string
-     */
-    protected $_table_column;
-
-
-    /**
-     * The authoritative name for the table column (used by client code to reference the field).
-     * @var string
-     */
-    protected $_name;
-
-
-    /**
-     * A description for the field.
-     * @var string
-     */
-    protected $_nicename;
-
-
-    /**
-     * Whether the field is nullable or not
-     * @var bool
-     */
-    protected $_nullable;
-
-
-    /**
-     * What the default value for the field should be.
-     * @var mixed
-     */
-    protected $_default_value;
-
-
-    /**
-     * Other configuration for the field
-     * @var mixed
-     */
-    protected $_other_config;
-
-
-    /**
-     * The name of the model this field is instantiated for.
-     * @var string
-     */
-    protected $_model_name;
-
-
-    /**
-     * This should be a json-schema valid data type for the field.
-     * @link http://json-schema.org/latest/json-schema-core.html#rfc.section.4.2
-     * @var string
-     */
-    private $_schema_type = 'string';
-
-
-    /**
-     * If the schema has a defined format then it should be defined via this property.
-     * @link http://json-schema.org/latest/json-schema-validation.html#rfc.section.7
-     * @var string
-     */
-    private $_schema_format = '';
-
-
-    /**
-     * Indicates that the value of the field is managed exclusively by the server/model and not something
-     * settable by client code.
-     * @link http://json-schema.org/latest/json-schema-hypermedia.html#rfc.section.4.4
-     * @var bool
-     */
-    private $_schema_readonly = false;
-
-
-    /**
-     * @param string $table_column
-     * @param string $nicename
-     * @param bool   $nullable
-     * @param null   $default_value
-     */
-    public function __construct($table_column, $nicename, $nullable, $default_value = null)
-    {
-        $this->_table_column  = $table_column;
-        $this->_nicename      = $nicename;
-        $this->_nullable      = $nullable;
-        $this->_default_value = $default_value;
-    }
-
-
-    /**
-     * @param $table_alias
-     * @param $name
-     * @param $model_name
-     */
-    public function _construct_finalize($table_alias, $name, $model_name)
-    {
-        $this->_table_alias = $table_alias;
-        $this->_name        = $name;
-        $this->_model_name  = $model_name;
-        /**
-         * allow for changing the defaults
-         */
-        $this->_nicename      = apply_filters('FHEE__EE_Model_Field_Base___construct_finalize___nicename',
-            $this->_nicename, $this);
-        $this->_default_value = apply_filters('FHEE__EE_Model_Field_Base___construct_finalize___default_value',
-            $this->_default_value, $this);
-    }
-
-    public function get_table_alias()
-    {
-        return $this->_table_alias;
-    }
-
-    public function get_table_column()
-    {
-        return $this->_table_column;
-    }
-
-    /**
-     * Returns the name of the model this field is on. Eg 'Event' or 'Ticket_Datetime'
-     *
-     * @return string
-     */
-    public function get_model_name()
-    {
-        return $this->_model_name;
-    }
-
-    /**
-     * @throws \EE_Error
-     * @return string
-     */
-    public function get_name()
-    {
-        if ($this->_name) {
-            return $this->_name;
-        } else {
-            throw new EE_Error(sprintf(__("Model field '%s' has no name set. Did you make a model and forget to call the parent model constructor?",
-                "event_espresso"), get_class($this)));
-        }
-    }
-
-    public function get_nicename()
-    {
-        return $this->_nicename;
-    }
-
-    public function is_nullable()
-    {
-        return $this->_nullable;
-    }
-
-    /**
-     * returns whether this field is an auto-increment field or not. If it is, then
-     * on insertion it can be null. However, on updates it must be present.
-     *
-     * @return boolean
-     */
-    public function is_auto_increment()
-    {
-        return false;
-    }
-
-    /**
-     * The default value in the model object's value domain. See lengthy comment about
-     * value domains at the top of EEM_Base
-     *
-     * @return mixed
-     */
-    public function get_default_value()
-    {
-        return $this->_default_value;
-    }
-
-    /**
-     * Returns the table alias joined to the table column, however this isn't the right
-     * table alias if the aliased table is being joined to. In that case, you can use
-     * EE_Model_Parser::extract_table_alias_model_relation_chain_prefix() to find the table's current alias
-     * in the current query
-     *
-     * @return string
-     */
-    public function get_qualified_column()
-    {
-        return $this->get_table_alias() . "." . $this->get_table_column();
-    }
-
-    /**
-     * When get() is called on a model object (eg EE_Event), before returning its value,
-     * call this function on it, allowing us to customize the returned value based on
-     * the field's type. Eg, we may want to unserialize it, strip tags, etc. By default,
-     * we simply return it.
-     *
-     * @param mixed $value_of_field_on_model_object
-     * @return mixed
-     */
-    public function prepare_for_get($value_of_field_on_model_object)
-    {
-        return $value_of_field_on_model_object;
-    }
-
-    /**
-     * When inserting or updating a field on a model object, run this function on each
-     * value to prepare it for insertion into the db. Generally this converts
-     * the validated input on the model object into the format used in the DB.
-     *
-     * @param mixed $value_of_field_on_model_object
-     * @return mixed
-     */
-    public function prepare_for_use_in_db($value_of_field_on_model_object)
-    {
-        return $value_of_field_on_model_object;
-    }
-
-    /**
-     * When creating a brand-new model object, or setting a particular value for one of its fields, this function
-     * is called before setting it on the model object. We may want to strip slashes, unserialize the value, etc.
-     * By default, we do nothing.
-     *
-     * If the model field is going to perform any validation on the input, this is where it should be done
-     * (once the value is on the model object, it may be used in other ways besides putting it into the DB
-     * so it's best to validate it right away).
-     *
-     * @param mixed $value_inputted_for_field_on_model_object
-     * @return mixed
-     */
-    public function prepare_for_set($value_inputted_for_field_on_model_object)
-    {
-        return $value_inputted_for_field_on_model_object;
-    }
-
-
-    /**
-     * When instantiating a model object from DB results, this function is called before setting each field.
-     * We may want to serialize the value, etc. By default, we return the value using prepare_for_set() method as that
-     * is the one child classes will most often define.
-     *
-     * @param mixed $value_found_in_db_for_model_object
-     * @return mixed
-     */
-    public function prepare_for_set_from_db($value_found_in_db_for_model_object)
-    {
-        return $this->prepare_for_set($value_found_in_db_for_model_object);
-    }
-
-    /**
-     * When echoing a field's value on a model object, this function is run to prepare the value for presentation in a
-     * webpage. For example, we may want to output floats with 2 decimal places by default, dates as "Monday Jan 12,
-     * 2013, at 3:23pm" instead of
-     * "8765678632", or any other modifications to how the value should be displayed, but not modified itself.
-     *
-     * @param mixed $value_on_field_to_be_outputted
-     * @return mixed
-     */
-    public function prepare_for_pretty_echoing($value_on_field_to_be_outputted)
-    {
-        return $value_on_field_to_be_outputted;
-    }
-
-
-    /**
-     * Returns whatever is set as the nicename for the object.
-     * @return string
-     */
-    public function getSchemaDescription()
-    {
-        return $this->get_nicename();
-    }
-
-
-    /**
-     * Returns whatever is set as the $_schema_type property for the object.
-     * Note: this will automatically add 'null' to the schema if the object is_nullable()
-     * @return string|array
-     */
-    public function getSchemaType()
-    {
-        if ($this->is_nullable()) {
-            $this->_schema_type = (array) $this->_schema_type;
-            if (! in_array('null', $this->_schema_type)) {
-                $this->_schema_type[] = 'null';
-            };
-        }
-        return $this->_schema_type;
-    }
-
-
-    /**
-     * Sets the _schema_type property.  Child classes should call this in their constructors to override the default state
-     * for this property.
-     * @param string|array $type
-     * @throws InvalidArgumentException
-     */
-    protected function setSchemaType($type)
-    {
-        $this->validateSchemaType($type);
-        $this->_schema_type = $type;
-    }
-
-
-    /**
-     * This is usually present when the $_schema_type property is 'object'.  Any child classes will need to override
-     * this method and return the properties for the schema.
-     *
-     * The reason this is not a property on the class is because there may be filters set on the values for the property
-     * that won't be exposed on construct.  For example enum type schemas may have the enum values filtered.
-     *
-     * @return array
-     */
-    public function getSchemaProperties()
-    {
-        return array();
-    }
-
-
-
-    /**
-     * By default this returns the scalar default value that was sent in on the class prepped according to the class type
-     * as the default.  However, when there are schema properties, then the default property is setup to mirror the
-     * property keys and correctly prepare the default according to that expected property value.
-     * The getSchema method validates whether the schema for default is setup correctly or not according to the schema type
-     *
-     * @return mixed
-     */
-    public function getSchemaDefault()
-    {
-        $default_value = $this->prepare_for_use_in_db($this->prepare_for_set($this->get_default_value()));
-        $schema_properties = $this->getSchemaProperties();
-
-        //if this schema has properties than shape the default value to match the properties shape.
-        if ($schema_properties) {
-            $value_to_return = array();
-            foreach ($schema_properties as $property_key => $property_schema) {
-                switch ($property_key) {
-                    case 'pretty':
-                    case 'rendered':
-                        $value_to_return[$property_key] = $this->prepare_for_pretty_echoing($this->prepare_for_set($default_value));
-                        break;
-                    default:
-                        $value_to_return[$property_key] = $default_value;
-                        break;
-                }
-            }
-            $default_value = $value_to_return;
-        }
-        return $default_value;
-    }
-
-
-
-
-    /**
-     * If a child class has enum values, they should override this method and provide a simple array
-     * of the enum values.
-
-     * The reason this is not a property on the class is because there may be filterable enum values that
-     * are set on the instantiated object that could be filtered after construct.
-     *
-     * @return array
-     */
-    public function getSchemaEnum()
-    {
-        return array();
-    }
-
-
-    /**
-     * This returns the value of the $_schema_format property on the object.
-     * @return string
-     */
-    public function getSchemaFormat()
-    {
-        return $this->_schema_format;
-    }
-
-
-    /**
-     * Sets the schema format property.
-     * @throws InvalidArgumentException
-     * @param string $format
-     */
-    protected function setSchemaFormat($format)
-    {
-        $this->validateSchemaFormat($format);
-        $this->_schema_format = $format;
-    }
-
-
-    /**
-     * This returns the value of the $_schema_readonly property on the object.
-     * @return bool
-     */
-    public function getSchemaReadonly()
-    {
-        return $this->_schema_readonly;
-    }
-
-
-    /**
-     * This sets the value for the $_schema_readonly property.
-     * @param bool $readonly  (only explicit boolean values are accepted)
-     */
-    protected function setSchemaReadOnly($readonly)
-    {
-        if (! is_bool($readonly)) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%s) must be a boolean.', 'event_espresso'),
-                    print_r($readonly, true)
-                )
-            );
-        }
-
-        $this->_schema_readonly = $readonly;
-    }
-
-
-
-
-    /**
-     * Return `%d`, `%s` or `%f` to indicate the data type for the field.
-     * @uses _get_wpdb_data_type()
-     *
-     * @return string
-     */
-    public function get_wpdb_data_type()
-    {
-        return $this->_get_wpdb_data_type();
-    }
-
-
-    /**
-     * Return `%d`, `%s` or `%f` to indicate the data type for the field that should be indicated in wpdb queries.
-     * @param string $type  Included if a specific type is requested.
-     * @uses get_schema_type()
-     * @return string
-     */
-    protected function _get_wpdb_data_type($type='')
-    {
-        $type = empty($type) ? $this->getSchemaType() : $type;
-
-        //if type is an array, then different parsing is required.
-        if (is_array($type)) {
-            return $this->_get_wpdb_data_type_for_type_array($type);
-        }
-
-        $wpdb_type = '%s';
-        switch ($type) {
-            case 'number':
-                $wpdb_type = '%f';
-                break;
-            case 'integer':
-            case 'boolean':
-                $wpdb_type = '%d';
-                break;
-            case 'object':
-                $properties = $this->getSchemaProperties();
-                if (isset($properties['raw'], $properties['raw']['type'])) {
-                    $wpdb_type = $this->_get_wpdb_data_type($properties['raw']['type']);
-                }
-                break; //leave at default
-        }
-        return $wpdb_type;
-    }
-
-
-
-    protected function _get_wpdb_data_type_for_type_array($type)
-    {
-        $type = (array) $type;
-        //first let's flip because then we can do a faster key check
-        $type = array_flip($type);
-
-        //check for things that mean '%s'
-        if (isset($type['string'],$type['object'],$type['array'])) {
-            return '%s';
-        }
-
-        //if makes it past the above condition and there's float in the array
-        //then the type is %f
-        if (isset($type['number'])) {
-            return '%f';
-        }
-
-        //if it makes it above the above conditions and there is an integer in the array
-        //then the type is %d
-        if (isset($type['integer'])) {
-            return '%d';
-        }
-
-        //anything else is a string
-        return '%s';
-    }
-
-
-    /**
-     * This returns elements used to represent this field in the json schema.
-     *
-     * @link http://json-schema.org/
-     * @return array
-     */
-    public function getSchema()
-    {
-        $schema = array(
-            'description' => $this->getSchemaDescription(),
-            'type' => $this->getSchemaType(),
-            'readonly' => $this->getSchemaReadonly(),
-            'default' => $this->getSchemaDefault()
-        );
-
-        //optional properties of the schema
-        $enum = $this->getSchemaEnum();
-        $properties = $this->getSchemaProperties();
-        $format = $this->getSchemaFormat();
-        if ($enum) {
-            $schema['enum'] = $enum;
-        }
-
-        if ($properties) {
-            $schema['properties'] = $properties;
-        }
-
-        if ($format) {
-            $schema['format'] = $format;
-        }
-        return $schema;
-    }
-
-    /**
-     * Some fields are in the database-only, (ie, used in queries etc), but shouldn't necessarily be part
-     * of the model objects (ie, client code shouldn't care to ever see their value... if client code does
-     * want to see their value, then they shouldn't be db-only fields!)
-     * Eg, when doing events as custom post types, querying the post_type is essential, but
-     * post_type is irrelevant for EE_Event objects (because they will ALL be of post_type 'esp_event').
-     * By default, all fields aren't db-only.
-     *
-     * @return boolean
-     */
-    public function is_db_only_field()
-    {
-        return false;
-    }
-
-
-    /**
-     * Validates the incoming string|array to ensure its an allowable type.
-     * @throws InvalidArgumentException
-     * @param string|array $type
-     */
-    private function validateSchemaType($type)
-    {
-        if (! (is_string($type) || is_array($type))) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%s) must be a string or an array.', 'event_espresso'),
-                    print_r($type, true)
-                )
-            );
-        }
-
-        //validate allowable types.
-        //@link http://json-schema.org/latest/json-schema-core.html#rfc.section.4.2
-        $allowable_types = array_flip(
-            array(
-                'string',
-                'number',
-                'null',
-                'object',
-                'array',
-                'boolean',
-                'integer'
-            )
-        );
-
-        if (is_array($type)) {
-            foreach ($type as $item_in_type) {
-                $this->validateSchemaType($item_in_type);
-            }
-            return;
-        }
-
-        if (! isset($allowable_types[$type])) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%1$s) must be one of the allowable types: %2$s', 'event_espresso'),
-                    $type,
-                    implode(',', array_flip($allowable_types))
-                )
-            );
-        }
-    }
-
-
-    /**
-     * Validates that the incoming format is an allowable string to use for the _schema_format property
-     * @throws InvalidArgumentException
-     * @param $format
-     */
-    private function validateSchemaFormat($format)
-    {
-        if (! is_string($format)) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%s) must be a string.', 'event_espresso'),
-                    print_r($format, true)
-                )
-            );
-        }
-
-        //validate allowable format values
-        //@link http://json-schema.org/latest/json-schema-validation.html#rfc.section.7
-        $allowable_formats = array_flip(
-            array(
-                'date-time',
-                'email',
-                'hostname',
-                'ipv4',
-                'ipv6',
-                'uri',
-                'uriref'
-            )
-        );
-
-        if (! isset($allowable_formats[$format])) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    esc_html__('The incoming argument (%1$s) must be one of the allowable formats: %2$s', 'event_espresso'),
-                    $format,
-                    implode(',', array_flip($allowable_formats))
-                )
-            );
-        }
-    }
+	/**
+	 * The alias for the table the column belongs to.
+	 * @var string
+	 */
+	protected $_table_alias;
+
+	/**
+	 * The actual db column name for the table
+	 * @var string
+	 */
+	protected $_table_column;
+
+
+	/**
+	 * The authoritative name for the table column (used by client code to reference the field).
+	 * @var string
+	 */
+	protected $_name;
+
+
+	/**
+	 * A description for the field.
+	 * @var string
+	 */
+	protected $_nicename;
+
+
+	/**
+	 * Whether the field is nullable or not
+	 * @var bool
+	 */
+	protected $_nullable;
+
+
+	/**
+	 * What the default value for the field should be.
+	 * @var mixed
+	 */
+	protected $_default_value;
+
+
+	/**
+	 * Other configuration for the field
+	 * @var mixed
+	 */
+	protected $_other_config;
+
+
+	/**
+	 * The name of the model this field is instantiated for.
+	 * @var string
+	 */
+	protected $_model_name;
+
+
+	/**
+	 * This should be a json-schema valid data type for the field.
+	 * @link http://json-schema.org/latest/json-schema-core.html#rfc.section.4.2
+	 * @var string
+	 */
+	private $_schema_type = 'string';
+
+
+	/**
+	 * If the schema has a defined format then it should be defined via this property.
+	 * @link http://json-schema.org/latest/json-schema-validation.html#rfc.section.7
+	 * @var string
+	 */
+	private $_schema_format = '';
+
+
+	/**
+	 * Indicates that the value of the field is managed exclusively by the server/model and not something
+	 * settable by client code.
+	 * @link http://json-schema.org/latest/json-schema-hypermedia.html#rfc.section.4.4
+	 * @var bool
+	 */
+	private $_schema_readonly = false;
+
+
+	/**
+	 * @param string $table_column
+	 * @param string $nicename
+	 * @param bool   $nullable
+	 * @param null   $default_value
+	 */
+	public function __construct($table_column, $nicename, $nullable, $default_value = null)
+	{
+		$this->_table_column  = $table_column;
+		$this->_nicename      = $nicename;
+		$this->_nullable      = $nullable;
+		$this->_default_value = $default_value;
+	}
+
+
+	/**
+	 * @param $table_alias
+	 * @param $name
+	 * @param $model_name
+	 */
+	public function _construct_finalize($table_alias, $name, $model_name)
+	{
+		$this->_table_alias = $table_alias;
+		$this->_name        = $name;
+		$this->_model_name  = $model_name;
+		/**
+		 * allow for changing the defaults
+		 */
+		$this->_nicename      = apply_filters('FHEE__EE_Model_Field_Base___construct_finalize___nicename',
+			$this->_nicename, $this);
+		$this->_default_value = apply_filters('FHEE__EE_Model_Field_Base___construct_finalize___default_value',
+			$this->_default_value, $this);
+	}
+
+	public function get_table_alias()
+	{
+		return $this->_table_alias;
+	}
+
+	public function get_table_column()
+	{
+		return $this->_table_column;
+	}
+
+	/**
+	 * Returns the name of the model this field is on. Eg 'Event' or 'Ticket_Datetime'
+	 *
+	 * @return string
+	 */
+	public function get_model_name()
+	{
+		return $this->_model_name;
+	}
+
+	/**
+	 * @throws \EE_Error
+	 * @return string
+	 */
+	public function get_name()
+	{
+		if ($this->_name) {
+			return $this->_name;
+		} else {
+			throw new EE_Error(sprintf(__("Model field '%s' has no name set. Did you make a model and forget to call the parent model constructor?",
+				"event_espresso"), get_class($this)));
+		}
+	}
+
+	public function get_nicename()
+	{
+		return $this->_nicename;
+	}
+
+	public function is_nullable()
+	{
+		return $this->_nullable;
+	}
+
+	/**
+	 * returns whether this field is an auto-increment field or not. If it is, then
+	 * on insertion it can be null. However, on updates it must be present.
+	 *
+	 * @return boolean
+	 */
+	public function is_auto_increment()
+	{
+		return false;
+	}
+
+	/**
+	 * The default value in the model object's value domain. See lengthy comment about
+	 * value domains at the top of EEM_Base
+	 *
+	 * @return mixed
+	 */
+	public function get_default_value()
+	{
+		return $this->_default_value;
+	}
+
+	/**
+	 * Returns the table alias joined to the table column, however this isn't the right
+	 * table alias if the aliased table is being joined to. In that case, you can use
+	 * EE_Model_Parser::extract_table_alias_model_relation_chain_prefix() to find the table's current alias
+	 * in the current query
+	 *
+	 * @return string
+	 */
+	public function get_qualified_column()
+	{
+		return $this->get_table_alias() . "." . $this->get_table_column();
+	}
+
+	/**
+	 * When get() is called on a model object (eg EE_Event), before returning its value,
+	 * call this function on it, allowing us to customize the returned value based on
+	 * the field's type. Eg, we may want to unserialize it, strip tags, etc. By default,
+	 * we simply return it.
+	 *
+	 * @param mixed $value_of_field_on_model_object
+	 * @return mixed
+	 */
+	public function prepare_for_get($value_of_field_on_model_object)
+	{
+		return $value_of_field_on_model_object;
+	}
+
+	/**
+	 * When inserting or updating a field on a model object, run this function on each
+	 * value to prepare it for insertion into the db. Generally this converts
+	 * the validated input on the model object into the format used in the DB.
+	 *
+	 * @param mixed $value_of_field_on_model_object
+	 * @return mixed
+	 */
+	public function prepare_for_use_in_db($value_of_field_on_model_object)
+	{
+		return $value_of_field_on_model_object;
+	}
+
+	/**
+	 * When creating a brand-new model object, or setting a particular value for one of its fields, this function
+	 * is called before setting it on the model object. We may want to strip slashes, unserialize the value, etc.
+	 * By default, we do nothing.
+	 *
+	 * If the model field is going to perform any validation on the input, this is where it should be done
+	 * (once the value is on the model object, it may be used in other ways besides putting it into the DB
+	 * so it's best to validate it right away).
+	 *
+	 * @param mixed $value_inputted_for_field_on_model_object
+	 * @return mixed
+	 */
+	public function prepare_for_set($value_inputted_for_field_on_model_object)
+	{
+		return $value_inputted_for_field_on_model_object;
+	}
+
+
+	/**
+	 * When instantiating a model object from DB results, this function is called before setting each field.
+	 * We may want to serialize the value, etc. By default, we return the value using prepare_for_set() method as that
+	 * is the one child classes will most often define.
+	 *
+	 * @param mixed $value_found_in_db_for_model_object
+	 * @return mixed
+	 */
+	public function prepare_for_set_from_db($value_found_in_db_for_model_object)
+	{
+		return $this->prepare_for_set($value_found_in_db_for_model_object);
+	}
+
+	/**
+	 * When echoing a field's value on a model object, this function is run to prepare the value for presentation in a
+	 * webpage. For example, we may want to output floats with 2 decimal places by default, dates as "Monday Jan 12,
+	 * 2013, at 3:23pm" instead of
+	 * "8765678632", or any other modifications to how the value should be displayed, but not modified itself.
+	 *
+	 * @param mixed $value_on_field_to_be_outputted
+	 * @return mixed
+	 */
+	public function prepare_for_pretty_echoing($value_on_field_to_be_outputted)
+	{
+		return $value_on_field_to_be_outputted;
+	}
+
+
+	/**
+	 * Returns whatever is set as the nicename for the object.
+	 * @return string
+	 */
+	public function getSchemaDescription()
+	{
+		return $this->get_nicename();
+	}
+
+
+	/**
+	 * Returns whatever is set as the $_schema_type property for the object.
+	 * Note: this will automatically add 'null' to the schema if the object is_nullable()
+	 * @return string|array
+	 */
+	public function getSchemaType()
+	{
+		if ($this->is_nullable()) {
+			$this->_schema_type = (array) $this->_schema_type;
+			if (! in_array('null', $this->_schema_type)) {
+				$this->_schema_type[] = 'null';
+			};
+		}
+		return $this->_schema_type;
+	}
+
+
+	/**
+	 * Sets the _schema_type property.  Child classes should call this in their constructors to override the default state
+	 * for this property.
+	 * @param string|array $type
+	 * @throws InvalidArgumentException
+	 */
+	protected function setSchemaType($type)
+	{
+		$this->validateSchemaType($type);
+		$this->_schema_type = $type;
+	}
+
+
+	/**
+	 * This is usually present when the $_schema_type property is 'object'.  Any child classes will need to override
+	 * this method and return the properties for the schema.
+	 *
+	 * The reason this is not a property on the class is because there may be filters set on the values for the property
+	 * that won't be exposed on construct.  For example enum type schemas may have the enum values filtered.
+	 *
+	 * @return array
+	 */
+	public function getSchemaProperties()
+	{
+		return array();
+	}
+
+
+
+	/**
+	 * By default this returns the scalar default value that was sent in on the class prepped according to the class type
+	 * as the default.  However, when there are schema properties, then the default property is setup to mirror the
+	 * property keys and correctly prepare the default according to that expected property value.
+	 * The getSchema method validates whether the schema for default is setup correctly or not according to the schema type
+	 *
+	 * @return mixed
+	 */
+	public function getSchemaDefault()
+	{
+		$default_value = $this->prepare_for_use_in_db($this->prepare_for_set($this->get_default_value()));
+		$schema_properties = $this->getSchemaProperties();
+
+		//if this schema has properties than shape the default value to match the properties shape.
+		if ($schema_properties) {
+			$value_to_return = array();
+			foreach ($schema_properties as $property_key => $property_schema) {
+				switch ($property_key) {
+					case 'pretty':
+					case 'rendered':
+						$value_to_return[$property_key] = $this->prepare_for_pretty_echoing($this->prepare_for_set($default_value));
+						break;
+					default:
+						$value_to_return[$property_key] = $default_value;
+						break;
+				}
+			}
+			$default_value = $value_to_return;
+		}
+		return $default_value;
+	}
+
+
+
+
+	/**
+	 * If a child class has enum values, they should override this method and provide a simple array
+	 * of the enum values.
+	 * The reason this is not a property on the class is because there may be filterable enum values that
+	 * are set on the instantiated object that could be filtered after construct.
+	 *
+	 * @return array
+	 */
+	public function getSchemaEnum()
+	{
+		return array();
+	}
+
+
+	/**
+	 * This returns the value of the $_schema_format property on the object.
+	 * @return string
+	 */
+	public function getSchemaFormat()
+	{
+		return $this->_schema_format;
+	}
+
+
+	/**
+	 * Sets the schema format property.
+	 * @throws InvalidArgumentException
+	 * @param string $format
+	 */
+	protected function setSchemaFormat($format)
+	{
+		$this->validateSchemaFormat($format);
+		$this->_schema_format = $format;
+	}
+
+
+	/**
+	 * This returns the value of the $_schema_readonly property on the object.
+	 * @return bool
+	 */
+	public function getSchemaReadonly()
+	{
+		return $this->_schema_readonly;
+	}
+
+
+	/**
+	 * This sets the value for the $_schema_readonly property.
+	 * @param bool $readonly  (only explicit boolean values are accepted)
+	 */
+	protected function setSchemaReadOnly($readonly)
+	{
+		if (! is_bool($readonly)) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%s) must be a boolean.', 'event_espresso'),
+					print_r($readonly, true)
+				)
+			);
+		}
+
+		$this->_schema_readonly = $readonly;
+	}
+
+
+
+
+	/**
+	 * Return `%d`, `%s` or `%f` to indicate the data type for the field.
+	 * @uses _get_wpdb_data_type()
+	 *
+	 * @return string
+	 */
+	public function get_wpdb_data_type()
+	{
+		return $this->_get_wpdb_data_type();
+	}
+
+
+	/**
+	 * Return `%d`, `%s` or `%f` to indicate the data type for the field that should be indicated in wpdb queries.
+	 * @param string $type  Included if a specific type is requested.
+	 * @uses get_schema_type()
+	 * @return string
+	 */
+	protected function _get_wpdb_data_type($type='')
+	{
+		$type = empty($type) ? $this->getSchemaType() : $type;
+
+		//if type is an array, then different parsing is required.
+		if (is_array($type)) {
+			return $this->_get_wpdb_data_type_for_type_array($type);
+		}
+
+		$wpdb_type = '%s';
+		switch ($type) {
+			case 'number':
+				$wpdb_type = '%f';
+				break;
+			case 'integer':
+			case 'boolean':
+				$wpdb_type = '%d';
+				break;
+			case 'object':
+				$properties = $this->getSchemaProperties();
+				if (isset($properties['raw'], $properties['raw']['type'])) {
+					$wpdb_type = $this->_get_wpdb_data_type($properties['raw']['type']);
+				}
+				break; //leave at default
+		}
+		return $wpdb_type;
+	}
+
+
+
+	protected function _get_wpdb_data_type_for_type_array($type)
+	{
+		$type = (array) $type;
+		//first let's flip because then we can do a faster key check
+		$type = array_flip($type);
+
+		//check for things that mean '%s'
+		if (isset($type['string'],$type['object'],$type['array'])) {
+			return '%s';
+		}
+
+		//if makes it past the above condition and there's float in the array
+		//then the type is %f
+		if (isset($type['number'])) {
+			return '%f';
+		}
+
+		//if it makes it above the above conditions and there is an integer in the array
+		//then the type is %d
+		if (isset($type['integer'])) {
+			return '%d';
+		}
+
+		//anything else is a string
+		return '%s';
+	}
+
+
+	/**
+	 * This returns elements used to represent this field in the json schema.
+	 *
+	 * @link http://json-schema.org/
+	 * @return array
+	 */
+	public function getSchema()
+	{
+		$schema = array(
+			'description' => $this->getSchemaDescription(),
+			'type' => $this->getSchemaType(),
+			'readonly' => $this->getSchemaReadonly(),
+			'default' => $this->getSchemaDefault()
+		);
+
+		//optional properties of the schema
+		$enum = $this->getSchemaEnum();
+		$properties = $this->getSchemaProperties();
+		$format = $this->getSchemaFormat();
+		if ($enum) {
+			$schema['enum'] = $enum;
+		}
+
+		if ($properties) {
+			$schema['properties'] = $properties;
+		}
+
+		if ($format) {
+			$schema['format'] = $format;
+		}
+		return $schema;
+	}
+
+	/**
+	 * Some fields are in the database-only, (ie, used in queries etc), but shouldn't necessarily be part
+	 * of the model objects (ie, client code shouldn't care to ever see their value... if client code does
+	 * want to see their value, then they shouldn't be db-only fields!)
+	 * Eg, when doing events as custom post types, querying the post_type is essential, but
+	 * post_type is irrelevant for EE_Event objects (because they will ALL be of post_type 'esp_event').
+	 * By default, all fields aren't db-only.
+	 *
+	 * @return boolean
+	 */
+	public function is_db_only_field()
+	{
+		return false;
+	}
+
+
+	/**
+	 * Validates the incoming string|array to ensure its an allowable type.
+	 * @throws InvalidArgumentException
+	 * @param string|array $type
+	 */
+	private function validateSchemaType($type)
+	{
+		if (! (is_string($type) || is_array($type))) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%s) must be a string or an array.', 'event_espresso'),
+					print_r($type, true)
+				)
+			);
+		}
+
+		//validate allowable types.
+		//@link http://json-schema.org/latest/json-schema-core.html#rfc.section.4.2
+		$allowable_types = array_flip(
+			array(
+				'string',
+				'number',
+				'null',
+				'object',
+				'array',
+				'boolean',
+				'integer'
+			)
+		);
+
+		if (is_array($type)) {
+			foreach ($type as $item_in_type) {
+				$this->validateSchemaType($item_in_type);
+			}
+			return;
+		}
+
+		if (! isset($allowable_types[$type])) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%1$s) must be one of the allowable types: %2$s', 'event_espresso'),
+					$type,
+					implode(',', array_flip($allowable_types))
+				)
+			);
+		}
+	}
+
+
+	/**
+	 * Validates that the incoming format is an allowable string to use for the _schema_format property
+	 * @throws InvalidArgumentException
+	 * @param $format
+	 */
+	private function validateSchemaFormat($format)
+	{
+		if (! is_string($format)) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%s) must be a string.', 'event_espresso'),
+					print_r($format, true)
+				)
+			);
+		}
+
+		//validate allowable format values
+		//@link http://json-schema.org/latest/json-schema-validation.html#rfc.section.7
+		$allowable_formats = array_flip(
+			array(
+				'date-time',
+				'email',
+				'hostname',
+				'ipv4',
+				'ipv6',
+				'uri',
+				'uriref'
+			)
+		);
+
+		if (! isset($allowable_formats[$format])) {
+			throw new InvalidArgumentException(
+				sprintf(
+					esc_html__('The incoming argument (%1$s) must be one of the allowable formats: %2$s', 'event_espresso'),
+					$format,
+					implode(',', array_flip($allowable_formats))
+				)
+			);
+		}
+	}
 }
\ No newline at end of file

core/db_models/fields/EE_Simple_HTML_Field.php

Indentation +10 added lines, -10 removed lines

@@ -11,14 +11,14 @@
 
 
 
-    /**
-     * removes all tags which a WP Post wouldn't allow in its content normally
-     *
-     * @param string $value
-     * @return string
-     */
-    public function prepare_for_set($value)
-    {
-        return parent::prepare_for_set(wp_kses("$value", EEH_HTML::get_simple_tags()));
-    }
+	/**
+	 * removes all tags which a WP Post wouldn't allow in its content normally
+	 *
+	 * @param string $value
+	 * @return string
+	 */
+	public function prepare_for_set($value)
+	{
+		return parent::prepare_for_set(wp_kses("$value", EEH_HTML::get_simple_tags()));
+	}
 }

admin_pages/registrations/templates/attendee_details_main_meta_box.template.php

Spacing +5 added lines, -5 removed lines

@@ -20,7 +20,7 @@ 
 						<label for="ATT_fname"><?php _e('First Name', 'event_espresso'); ?><span class="denotes-required-spn">*</span></label>
 					</th>
 					<td>
-						<div class="validation-notice-dv"><?php _e( 'The following is  a required field', 'event_espresso' );?></div>
+						<div class="validation-notice-dv"><?php _e('The following is  a required field', 'event_espresso'); ?></div>
 						<input class="regular-text required" type="text" id="ATT_fname" name="ATT_fname" value="<?php echo $attendee->fname(); ?>"/><br/>
 						<p class="description"><?php _e('The registrant\'s given name. ( required value )', 'event_espresso'); ?></p>
 					</td>
@@ -31,7 +31,7 @@ 
 						<label for="ATT_lname"><?php _e('Last Name', 'event_espresso'); ?><span class="denotes-required-spn">*</span></label>
 					</th>
 					<td>
-						<div class="validation-notice-dv"><?php _e( 'The following is  a required field', 'event_espresso' );?></div>
+						<div class="validation-notice-dv"><?php _e('The following is  a required field', 'event_espresso'); ?></div>
 						<input class="regular-text required" type="text" id="ATT_lname" name="ATT_lname" value="<?php echo $attendee->lname(); ?>"/><br/>
 						<p class="description"><?php _e('The registrant\'s family name. ( required value )', 'event_espresso'); ?></p>
 					</td>
@@ -42,7 +42,7 @@ 
 						<label for="ATT_email"><?php _e('Email Address', 'event_espresso'); ?><span class="denotes-required-spn">*</span></label>
 					</th>
 					<td>
-						<div class="validation-notice-dv"><?php _e( 'The following is  a required field', 'event_espresso' );?></div>
+						<div class="validation-notice-dv"><?php _e('The following is  a required field', 'event_espresso'); ?></div>
 						<input class="regular-text required" type="text" id="ATT_email" name="ATT_email" value="<?php $attendee->f('ATT_email'); ?>"/><br/>
 						<p class="description"><?php _e('( required value )', 'event_espresso'); ?></p>
 					</td>
@@ -109,8 +109,8 @@ 
 				
 				
 				
-				<?php do_action( 'AHEE__attendee_details_main_meta_box__template__table_body_end',$attendee );?>
+				<?php do_action('AHEE__attendee_details_main_meta_box__template__table_body_end', $attendee); ?>
 			</tbody>
 		</table>
-		<?php do_action( 'AHEE__attendee_details_main_meta_box__template__after_table',$attendee );?>
+		<?php do_action('AHEE__attendee_details_main_meta_box__template__after_table', $attendee); ?>
 </div>
\ No newline at end of file