eventespresso / event-espresso-core

core/services/privacy/policy/PrivacyPolicyManager.php

Indentation +60 added lines, -60 removed lines

@@ -24,70 +24,70 @@
 class PrivacyPolicyManager
 {
 
-    public function __construct()
-    {
-        add_action('current_screen', array($this, 'addPrivacyPolicy'), 9);
-    }
+	public function __construct()
+	{
+		add_action('current_screen', array($this, 'addPrivacyPolicy'), 9);
+	}
 
 
-    /**
-     * For all the registered `PrivacyPolicyInterface`s, add their privacy policy content
-     *
-     * @param WP_Screen $screen
-     * @throws InvalidClassException
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws InvalidFilePathException
-     * @throws InvalidIdentifierException
-     * @throws InvalidInterfaceException
-     */
-    public function addPrivacyPolicy(WP_Screen $screen)
-    {
-        if ($screen instanceof WP_Screen
-            && $screen->id === 'tools'
-            && isset($_GET['wp-privacy-policy-guide'])) {
-            // load all the privacy policy stuff
-            // add post policy text
-            foreach ($this->loadPrivacyPolicyCollection() as $privacy_policy) {
-                wp_add_privacy_policy_content($privacy_policy->getName(), $privacy_policy->getContent());
-            }
-        }
-    }
+	/**
+	 * For all the registered `PrivacyPolicyInterface`s, add their privacy policy content
+	 *
+	 * @param WP_Screen $screen
+	 * @throws InvalidClassException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws InvalidFilePathException
+	 * @throws InvalidIdentifierException
+	 * @throws InvalidInterfaceException
+	 */
+	public function addPrivacyPolicy(WP_Screen $screen)
+	{
+		if ($screen instanceof WP_Screen
+			&& $screen->id === 'tools'
+			&& isset($_GET['wp-privacy-policy-guide'])) {
+			// load all the privacy policy stuff
+			// add post policy text
+			foreach ($this->loadPrivacyPolicyCollection() as $privacy_policy) {
+				wp_add_privacy_policy_content($privacy_policy->getName(), $privacy_policy->getContent());
+			}
+		}
+	}
 
 
-    /**
-     * @return CollectionInterface|PrivacyPolicyInterface[]
-     * @throws InvalidIdentifierException
-     * @throws InvalidInterfaceException
-     * @throws InvalidFilePathException
-     * @throws InvalidEntityException
-     * @throws InvalidDataTypeException
-     * @throws InvalidClassException
-     */
-    protected function loadPrivacyPolicyCollection()
-    {
-        $loader = new CollectionLoader(
-            new CollectionDetails(
-                // collection name
-                'privacy_policies',
-                // collection interface
-                'EventEspresso\core\services\privacy\policy\PrivacyPolicyInterface',
-                // FQCNs for classes to add (all classes within that namespace will be loaded)
-                apply_filters(
-                    'FHEE__EventEspresso_core_services_privacy_policy_PrivacyPolicyManager__privacy_policies',
-                    array('EventEspresso\core\domain\services\admin\privacy\policy\PrivacyPolicy')
-                ),
-                // filepaths to classes to add
-                array(),
-                // file mask to use if parsing folder for files to add
-                '',
-                // what to use as identifier for collection entities
-                // using CLASS NAME prevents duplicates (works like a singleton)
-                CollectionDetails::ID_CLASS_NAME
-            )
-        );
-        return $loader->getCollection();
-    }
+	/**
+	 * @return CollectionInterface|PrivacyPolicyInterface[]
+	 * @throws InvalidIdentifierException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidFilePathException
+	 * @throws InvalidEntityException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidClassException
+	 */
+	protected function loadPrivacyPolicyCollection()
+	{
+		$loader = new CollectionLoader(
+			new CollectionDetails(
+				// collection name
+				'privacy_policies',
+				// collection interface
+				'EventEspresso\core\services\privacy\policy\PrivacyPolicyInterface',
+				// FQCNs for classes to add (all classes within that namespace will be loaded)
+				apply_filters(
+					'FHEE__EventEspresso_core_services_privacy_policy_PrivacyPolicyManager__privacy_policies',
+					array('EventEspresso\core\domain\services\admin\privacy\policy\PrivacyPolicy')
+				),
+				// filepaths to classes to add
+				array(),
+				// file mask to use if parsing folder for files to add
+				'',
+				// what to use as identifier for collection entities
+				// using CLASS NAME prevents duplicates (works like a singleton)
+				CollectionDetails::ID_CLASS_NAME
+			)
+		);
+		return $loader->getCollection();
+	}
 }
 // End of file PrivacyPolicyManager.php
 // Location: EventEspresso\core\domain\services\admin/PrivacyPolicyManager.php

core/admin/EE_Admin.core.php

Indentation +958 added lines, -958 removed lines

@@ -20,487 +20,487 @@ 
 final class EE_Admin implements InterminableInterface
 {
 
-    /**
-     * @var EE_Admin $_instance
-     */
-    private static $_instance;
-
-    /**
-     * @var PersistentAdminNoticeManager $persistent_admin_notice_manager
-     */
-    private $persistent_admin_notice_manager;
-
-    /**
-     * @var LoaderInterface
-     */
-    protected $loader;
-
-    /**
-     * @singleton method used to instantiate class object
-     * @return EE_Admin
-     * @throws EE_Error
-     */
-    public static function instance()
-    {
-        // check if class object is instantiated
-        if (! self::$_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'));
-        add_action('load-plugins.php', array($this, 'hookIntoWpPluginsPage'));
-        // 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()) {
-            $this->initModelsReady();
-        }
-        // 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);
-    }
-
-
-    /**
-     * Gets the loader (and if it wasn't previously set, sets it)
-     * @return LoaderInterface
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function getLoader()
-    {
-        if (! $this->loader instanceof LoaderInterface) {
-            $this->loader = LoaderFactory::getLoader();
-        }
-        return $this->loader;
-    }
-
-
-    /**
-     * Method that's fired on admin requests (including admin ajax) but only when the models are usable
-     * (ie, the site isn't in maintenance mode)
-     * @since $VID:$
-     * @return void
-     */
-    protected function initModelsReady()
-    {
-        // ok so we want to enable the entire admin
-        $this->persistent_admin_notice_manager = $this->getLoader()->getShared(
-            'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-        );
-        $this->persistent_admin_notice_manager->setReturnUrl(
-            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($this, 'modify_edit_post_link'), 10, 2);
-    }
-
-
-    /**
-     *    get_persistent_admin_notices
-     *
-     * @access    public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function maybeSetDatetimeWarningNotice()
-    {
-        // add dismissable notice for datetime changes.  Only valid if site does not have a timezone_string set.
-        // @todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
-        // with this.  But after enough time (indeterminate at this point) we can just remove this notice.
-        // this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
-        if (apply_filters('FHEE__EE_Admin__maybeSetDatetimeWarningNotice', true)
-            && ! get_option('timezone_string')
-            && EEM_Event::instance()->count() > 0
-        ) {
-            new PersistentAdminNotice(
-                'datetime_fix_notice',
-                sprintf(
-                    esc_html__(
-                        '%1$sImportant announcement related to your install of Event Espresso%2$s: There are some changes made to your site that could affect how dates display for your events and other related items with dates and times.  Read more about it %3$shere%4$s. If your dates and times are displaying incorrectly (incorrect offset), you can fix it using the tool on %5$sthis page%4$s.',
-                        'event_espresso'
-                    ),
-                    '<strong>',
-                    '</strong>',
-                    '<a href="https://eventespresso.com/2017/08/important-upcoming-changes-dates-times">',
-                    '</a>',
-                    '<a href="' . EE_Admin_Page::add_query_args_and_nonce(
-                        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;
+
+	/**
+	 * @var LoaderInterface
+	 */
+	protected $loader;
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @return EE_Admin
+	 * @throws EE_Error
+	 */
+	public static function instance()
+	{
+		// check if class object is instantiated
+		if (! self::$_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'));
+		add_action('load-plugins.php', array($this, 'hookIntoWpPluginsPage'));
+		// 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()) {
+			$this->initModelsReady();
+		}
+		// 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);
+	}
+
+
+	/**
+	 * Gets the loader (and if it wasn't previously set, sets it)
+	 * @return LoaderInterface
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function getLoader()
+	{
+		if (! $this->loader instanceof LoaderInterface) {
+			$this->loader = LoaderFactory::getLoader();
+		}
+		return $this->loader;
+	}
+
+
+	/**
+	 * Method that's fired on admin requests (including admin ajax) but only when the models are usable
+	 * (ie, the site isn't in maintenance mode)
+	 * @since $VID:$
+	 * @return void
+	 */
+	protected function initModelsReady()
+	{
+		// ok so we want to enable the entire admin
+		$this->persistent_admin_notice_manager = $this->getLoader()->getShared(
+			'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+		);
+		$this->persistent_admin_notice_manager->setReturnUrl(
+			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($this, 'modify_edit_post_link'), 10, 2);
+	}
+
+
+	/**
+	 *    get_persistent_admin_notices
+	 *
+	 * @access    public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function maybeSetDatetimeWarningNotice()
+	{
+		// add dismissable notice for datetime changes.  Only valid if site does not have a timezone_string set.
+		// @todo This needs to stay in core for a bit to catch anyone upgrading from a version without this to a version
+		// with this.  But after enough time (indeterminate at this point) we can just remove this notice.
+		// this was added with https://events.codebasehq.com/projects/event-espresso/tickets/10626
+		if (apply_filters('FHEE__EE_Admin__maybeSetDatetimeWarningNotice', true)
+			&& ! get_option('timezone_string')
+			&& EEM_Event::instance()->count() > 0
+		) {
+			new PersistentAdminNotice(
+				'datetime_fix_notice',
+				sprintf(
+					esc_html__(
+						'%1$sImportant announcement related to your install of Event Espresso%2$s: There are some changes made to your site that could affect how dates display for your events and other related items with dates and times.  Read more about it %3$shere%4$s. If your dates and times are displaying incorrectly (incorrect offset), you can fix it using the tool on %5$sthis page%4$s.',
+						'event_espresso'
+					),
+					'<strong>',
+					'</strong>',
+					'<a href="https://eventespresso.com/2017/08/important-upcoming-changes-dates-times">',
+					'</a>',
+					'<a href="' . EE_Admin_Page::add_query_args_and_nonce(
+						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($removed_args)
-                                )
-                            );
-                        }
-                        ?>#tabs-panel-posttype-extra-nav-menu-pages-event-archives">
+						if ($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">
                         <?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($removed_args)
-                                 )
-                             );
-                        ?>#posttype-extra-nav-menu-pages>" class="select-all"><?php _e('Select All', 'event_espresso'); ?></a>
+							 echo esc_url(
+								 add_query_arg(
+									 array(
+										 'extra-nav-menu-pages-tab' => 'event-archives',
+										 'selectall'                => 1,
+									 ),
+									 remove_query_arg($removed_args)
+								 )
+							 );
+						?>#posttype-extra-nav-menu-pages>" class="select-all"><?php _e('Select All', 'event_espresso'); ?></a>
                 </span>
                 <span class="add-to-menu">
                     <input type="submit"<?php wp_nav_menu_disabled_check($nav_menu_selected_id); ?>
@@ -513,500 +513,500 @@ 
 
         </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') {
-            /** @var EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions $custom_post_types */
-            $custom_post_types = $this->getLoader()->getShared(
-                'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions'
-            );
-            $custom_post_types->getCustomPostTypeModels($_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'));
-        if (EE_Maintenance_Mode::instance()->models_can_query()) {
-            $this->adminInitModelsReady();
-        }
-    }
-
-
-    /**
-     * Runs on admin_init but only if models are usable (ie, we're not in maintenanc emode)
-     */
-    protected function adminInitModelsReady()
-    {
-        if (function_exists('wp_add_privacy_policy_content')) {
-            $this->getLoader()->getShared('EventEspresso\core\services\privacy\policy\PrivacyPolicyManager');
-        }
-    }
-
-
-    /**
-     * Callback for wp_dropdown_pages hook to remove ee critical pages from the dropdown selection.
-     *
-     * @param string $output Current output.
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function modify_dropdown_pages($output)
-    {
-        // get critical pages
-        $critical_pages = EE_Registry::instance()->CFG->core->get_critical_pages_array();
-
-        // split current output by line break for easier parsing.
-        $split_output = explode("\n", $output);
-
-        // loop through to remove any critical pages from the array.
-        foreach ($critical_pages as $page_id) {
-            $needle = 'value="' . $page_id . '"';
-            foreach ($split_output as $key => $haystack) {
-                if (strpos($haystack, $needle) !== false) {
-                    unset($split_output[ $key ]);
-                }
-            }
-        }
-        // replace output with the new contents
-        return implode("\n", $split_output);
-    }
-
-
-    /**
-     * enqueue all admin scripts that need loaded for admin pages
-     *
-     * @return void
-     */
-    public function enqueue_admin_scripts()
-    {
-        // this javascript is loaded on every admin page to catch any injections ee needs to add to wp run js.
-        // Note: the intention of this script is to only do TARGETED injections.  I.E, only injecting on certain script
-        // calls.
-        wp_enqueue_script(
-            'ee-inject-wp',
-            EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
-            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', $events, 'event_espresso'), number_format_i18n($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', $registrations, 'event_espresso'),
-            number_format_i18n($registrations)
-        );
-        $items['registrations']['title'] = esc_html__('Click to view all registrations', 'event_espresso');
-
-        $items = (array) apply_filters('FHEE__EE_Admin__dashboard_glance_items__items', $items);
-
-        foreach ($items as $type => $item_properties) {
-            $elements[] = sprintf(
-                '<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
-                $item_properties['url'],
-                $item_properties['title'],
-                $item_properties['text']
-            );
-        }
-        return $elements;
-    }
-
-
-    /**
-     * check_for_invalid_datetime_formats
-     * if an admin changes their date or time format settings on the WP General Settings admin page, verify that
-     * their selected format can be parsed by PHP
-     *
-     * @param    $value
-     * @param    $option
-     * @throws EE_Error
-     * @return    string
-     */
-    public function check_for_invalid_datetime_formats($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();
-    }
-
-
-    /**
-     * Callback on load-plugins.php hook for setting up anything hooking into the wp plugins page.
-     *
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function hookIntoWpPluginsPage()
-    {
-        $this->getLoader()->getShared('EventEspresso\core\domain\services\admin\ExitModal');
-        $this->getLoader()
-                     ->getShared('EventEspresso\core\domain\services\admin\PluginUpsells')
-                     ->decafUpsells();
-    }
+	}
+
+
+	/**
+	 * 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') {
+			/** @var EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions $custom_post_types */
+			$custom_post_types = $this->getLoader()->getShared(
+				'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions'
+			);
+			$custom_post_types->getCustomPostTypeModels($_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'));
+		if (EE_Maintenance_Mode::instance()->models_can_query()) {
+			$this->adminInitModelsReady();
+		}
+	}
+
+
+	/**
+	 * Runs on admin_init but only if models are usable (ie, we're not in maintenanc emode)
+	 */
+	protected function adminInitModelsReady()
+	{
+		if (function_exists('wp_add_privacy_policy_content')) {
+			$this->getLoader()->getShared('EventEspresso\core\services\privacy\policy\PrivacyPolicyManager');
+		}
+	}
+
+
+	/**
+	 * Callback for wp_dropdown_pages hook to remove ee critical pages from the dropdown selection.
+	 *
+	 * @param string $output Current output.
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function modify_dropdown_pages($output)
+	{
+		// get critical pages
+		$critical_pages = EE_Registry::instance()->CFG->core->get_critical_pages_array();
+
+		// split current output by line break for easier parsing.
+		$split_output = explode("\n", $output);
+
+		// loop through to remove any critical pages from the array.
+		foreach ($critical_pages as $page_id) {
+			$needle = 'value="' . $page_id . '"';
+			foreach ($split_output as $key => $haystack) {
+				if (strpos($haystack, $needle) !== false) {
+					unset($split_output[ $key ]);
+				}
+			}
+		}
+		// replace output with the new contents
+		return implode("\n", $split_output);
+	}
+
+
+	/**
+	 * enqueue all admin scripts that need loaded for admin pages
+	 *
+	 * @return void
+	 */
+	public function enqueue_admin_scripts()
+	{
+		// this javascript is loaded on every admin page to catch any injections ee needs to add to wp run js.
+		// Note: the intention of this script is to only do TARGETED injections.  I.E, only injecting on certain script
+		// calls.
+		wp_enqueue_script(
+			'ee-inject-wp',
+			EE_ADMIN_URL . 'assets/ee-cpt-wp-injects.js',
+			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', $events, 'event_espresso'), number_format_i18n($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', $registrations, 'event_espresso'),
+			number_format_i18n($registrations)
+		);
+		$items['registrations']['title'] = esc_html__('Click to view all registrations', 'event_espresso');
+
+		$items = (array) apply_filters('FHEE__EE_Admin__dashboard_glance_items__items', $items);
+
+		foreach ($items as $type => $item_properties) {
+			$elements[] = sprintf(
+				'<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
+				$item_properties['url'],
+				$item_properties['title'],
+				$item_properties['text']
+			);
+		}
+		return $elements;
+	}
+
+
+	/**
+	 * check_for_invalid_datetime_formats
+	 * if an admin changes their date or time format settings on the WP General Settings admin page, verify that
+	 * their selected format can be parsed by PHP
+	 *
+	 * @param    $value
+	 * @param    $option
+	 * @throws EE_Error
+	 * @return    string
+	 */
+	public function check_for_invalid_datetime_formats($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();
+	}
+
+
+	/**
+	 * Callback on load-plugins.php hook for setting up anything hooking into the wp plugins page.
+	 *
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function hookIntoWpPluginsPage()
+	{
+		$this->getLoader()->getShared('EventEspresso\core\domain\services\admin\ExitModal');
+		$this->getLoader()
+					 ->getShared('EventEspresso\core\domain\services\admin\PluginUpsells')
+					 ->decafUpsells();
+	}
 }

Spacing +30 added lines, -30 removed lines

@@ -43,7 +43,7 @@ 
     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;
@@ -103,11 +103,11 @@ 
      */
     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'));
         }
     }
@@ -125,7 +125,7 @@ 
         // 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 === $main_file) {
@@ -177,9 +177,9 @@ 
     public function hide_admin_pages_except_maintenance_mode($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,
         );
     }
 
@@ -203,7 +203,7 @@ 
             $this->initModelsReady();
         }
         // 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');
@@ -229,7 +229,7 @@ 
      */
     protected function getLoader()
     {
-        if (! $this->loader instanceof LoaderInterface) {
+        if ( ! $this->loader instanceof LoaderInterface) {
             $this->loader = LoaderFactory::getLoader();
         }
         return $this->loader;
@@ -296,13 +296,13 @@ 
                     '</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',
@@ -348,7 +348,7 @@ 
     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;
         }
         $user = wp_get_current_user();
@@ -377,7 +377,7 @@ 
         if (is_array($hidden_meta_boxes)) {
             foreach ($hidden_meta_boxes as $key => $meta_box_id) {
                 if (in_array($meta_box_id, $initial_meta_boxes, true)) {
-                    unset($hidden_meta_boxes[ $key ]);
+                    unset($hidden_meta_boxes[$key]);
                 }
             }
         }
@@ -417,7 +417,7 @@ 
      */
     public function modify_edit_post_link($link, $id)
     {
-        if (! $post = get_post($id)) {
+        if ( ! $post = get_post($id)) {
             return $link;
         }
         if ($post->post_type === 'espresso_attendees') {
@@ -564,7 +564,7 @@ 
         );
 
         foreach ($keys as $key => $value) {
-            $menu_item->{$key} = isset($menu_item_values[ $key ]) ? $menu_item_values[ $key ] : $value;
+            $menu_item->{$key} = isset($menu_item_values[$key]) ? $menu_item_values[$key] : $value;
         }
         return $menu_item;
     }
@@ -662,10 +662,10 @@ 
 
         // loop through to remove any critical pages from the array.
         foreach ($critical_pages as $page_id) {
-            $needle = 'value="' . $page_id . '"';
+            $needle = 'value="'.$page_id.'"';
             foreach ($split_output as $key => $haystack) {
                 if (strpos($haystack, $needle) !== false) {
-                    unset($split_output[ $key ]);
+                    unset($split_output[$key]);
                 }
             }
         }
@@ -686,7 +686,7 @@ 
         // 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
@@ -694,7 +694,7 @@ 
         // 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
@@ -703,16 +703,16 @@ 
         // 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
@@ -720,7 +720,7 @@ 
             // 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
@@ -782,7 +782,7 @@ 
 
         foreach ($items as $type => $item_properties) {
             $elements[] = sprintf(
-                '<a class="ee-dashboard-link-' . $type . '" href="%s" title="%s">%s</a>',
+                '<a class="ee-dashboard-link-'.$type.'" href="%s" title="%s">%s</a>',
                 $item_properties['url'],
                 $item_properties['title'],
                 $item_properties['text']
@@ -807,10 +807,10 @@ 
         // check for date_format or time_format
         switch ($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;
@@ -833,7 +833,7 @@ 
 
 
                 foreach ($error_msg as $error) {
-                    $msg .= '<li>' . $error . '</li>';
+                    $msg .= '<li>'.$error.'</li>';
                 }
 
                 $msg .= '</ul></p><p>'

core/EE_Session.core.php

Indentation +1239 added lines, -1239 removed lines

@@ -23,1237 +23,1237 @@ 
 class EE_Session implements SessionIdentifierInterface
 {
 
-    const session_id_prefix = 'ee_ssn_';
-
-    const hash_check_prefix = 'ee_shc_';
-
-    const OPTION_NAME_SETTINGS = 'ee_session_settings';
-
-    const STATUS_CLOSED = 0;
-
-    const STATUS_OPEN = 1;
-
-    /**
-     * 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 1 hour (for not so instant IPNs)
-     *
-     * @var SessionLifespan $session_lifespan
-     */
-    private $session_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;
-
-    /**
-     * @var RequestInterface $request
-     */
-    protected $request;
-
-    /**
-     * whether session is active or not
-     *
-     * @var int $status
-     */
-    private $status = EE_Session::STATUS_CLOSED;
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @param CacheStorageInterface $cache_storage
-     * @param SessionLifespan|null  $lifespan
-     * @param RequestInterface      $request
-     * @param EE_Encryption         $encryption
-     * @return EE_Session
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function instance(
-        CacheStorageInterface $cache_storage = null,
-        SessionLifespan $lifespan = null,
-        RequestInterface $request = 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,
-                $lifespan,
-                $request,
-                $encryption
-            );
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * protected constructor to prevent direct creation
-     *
-     * @param CacheStorageInterface $cache_storage
-     * @param SessionLifespan       $lifespan
-     * @param RequestInterface      $request
-     * @param EE_Encryption         $encryption
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function __construct(
-        CacheStorageInterface $cache_storage,
-        SessionLifespan $lifespan,
-        RequestInterface $request,
-        EE_Encryption $encryption = null
-    ) {
-        // session loading is turned ON by default,
-        // but prior to the 'AHEE__EE_System__core_loaded_and_ready' hook
-        // (which currently fires on the init hook at priority 9),
-        // can be turned back OFF via: add_filter( 'FHEE_load_EE_Session', '__return_false' );
-        if (! apply_filters('FHEE_load_EE_Session', true)) {
-            return;
-        }
-        $this->session_lifespan = $lifespan;
-        $this->request = $request;
-        if (! defined('ESPRESSO_SESSION')) {
-            define('ESPRESSO_SESSION', true);
-        }
-        // 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();
-        // 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 bool
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function isLoadedAndActive()
-    {
-        return did_action('AHEE__EE_System__core_loaded_and_ready')
-               && EE_Session::instance() instanceof EE_Session
-               && EE_Session::instance()->isActive();
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isActive()
-    {
-        return $this->status === EE_Session::STATUS_OPEN;
-    }
-
-
-    /**
-     * @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 $this->session_lifespan->inSeconds();
-    }
-
-
-    /**
-     * This just sets some defaults for the _session data property
-     *
-     * @access private
-     * @return void
-     */
-    private function _set_defaults()
-    {
-        // set some defaults
-        foreach ($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;
-    }
-
-
-    /**
-     * @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
-     *
-     * @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;
-    }
-
-
-    /**
-     * Returns TRUE on success, FALSE on fail
-     *
-     * @param array $data
-     * @return bool
-     */
-    public function set_session_data($data)
-    {
-        // nothing ??? bad data ??? go home!
-        if (empty($data) || ! is_array($data)) {
-            EE_Error::add_error(
-                esc_html__(
-                    '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(
-                        esc_html__(
-                            '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();
-        }
-        $this->status = EE_Session::STATUS_OPEN;
-        // get our modified session ID
-        $this->_sid = $this->_generate_session_id();
-        // and the visitors IP
-        $this->_ip_address = $this->request->ipAddress();
-        // set the "user agent"
-        $this->_user_agent = $this->request->userAgent();
-        // 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->session_lifespan->inSeconds();
-        } 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->session_lifespan->inSeconds();
-        // 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->request->ipAddress();
-                    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->session_lifespan->inSeconds();
-                    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)
-    {
-        // don't save sessions for crawlers
-        // and unless we're deleting the session data, don't save anything if there isn't a cart
-        if ($this->request->isBot()
-            || (
-                ! $clear_session
-                && ! $this->cart() instanceof EE_Cart
-                && apply_filters('FHEE__EE_Session___save_session_to_db__abort_session_save', true)
-            )
-        ) {
-            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->session_lifespan->inSeconds()
-            );
-        }
-        // 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->session_lifespan->inSeconds()
-        );
-    }
-
-
-    /**
-     * @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 = '')
-    {
+	const session_id_prefix = 'ee_ssn_';
+
+	const hash_check_prefix = 'ee_shc_';
+
+	const OPTION_NAME_SETTINGS = 'ee_session_settings';
+
+	const STATUS_CLOSED = 0;
+
+	const STATUS_OPEN = 1;
+
+	/**
+	 * 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 1 hour (for not so instant IPNs)
+	 *
+	 * @var SessionLifespan $session_lifespan
+	 */
+	private $session_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;
+
+	/**
+	 * @var RequestInterface $request
+	 */
+	protected $request;
+
+	/**
+	 * whether session is active or not
+	 *
+	 * @var int $status
+	 */
+	private $status = EE_Session::STATUS_CLOSED;
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @param CacheStorageInterface $cache_storage
+	 * @param SessionLifespan|null  $lifespan
+	 * @param RequestInterface      $request
+	 * @param EE_Encryption         $encryption
+	 * @return EE_Session
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function instance(
+		CacheStorageInterface $cache_storage = null,
+		SessionLifespan $lifespan = null,
+		RequestInterface $request = 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,
+				$lifespan,
+				$request,
+				$encryption
+			);
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * protected constructor to prevent direct creation
+	 *
+	 * @param CacheStorageInterface $cache_storage
+	 * @param SessionLifespan       $lifespan
+	 * @param RequestInterface      $request
+	 * @param EE_Encryption         $encryption
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function __construct(
+		CacheStorageInterface $cache_storage,
+		SessionLifespan $lifespan,
+		RequestInterface $request,
+		EE_Encryption $encryption = null
+	) {
+		// session loading is turned ON by default,
+		// but prior to the 'AHEE__EE_System__core_loaded_and_ready' hook
+		// (which currently fires on the init hook at priority 9),
+		// can be turned back OFF via: add_filter( 'FHEE_load_EE_Session', '__return_false' );
+		if (! apply_filters('FHEE_load_EE_Session', true)) {
+			return;
+		}
+		$this->session_lifespan = $lifespan;
+		$this->request = $request;
+		if (! defined('ESPRESSO_SESSION')) {
+			define('ESPRESSO_SESSION', true);
+		}
+		// 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();
+		// 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 bool
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function isLoadedAndActive()
+	{
+		return did_action('AHEE__EE_System__core_loaded_and_ready')
+			   && EE_Session::instance() instanceof EE_Session
+			   && EE_Session::instance()->isActive();
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isActive()
+	{
+		return $this->status === EE_Session::STATUS_OPEN;
+	}
+
+
+	/**
+	 * @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 $this->session_lifespan->inSeconds();
+	}
+
+
+	/**
+	 * This just sets some defaults for the _session data property
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _set_defaults()
+	{
+		// set some defaults
+		foreach ($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;
+	}
+
+
+	/**
+	 * @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
+	 *
+	 * @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;
+	}
+
+
+	/**
+	 * Returns TRUE on success, FALSE on fail
+	 *
+	 * @param array $data
+	 * @return bool
+	 */
+	public function set_session_data($data)
+	{
+		// nothing ??? bad data ??? go home!
+		if (empty($data) || ! is_array($data)) {
+			EE_Error::add_error(
+				esc_html__(
+					'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(
+						esc_html__(
+							'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();
+		}
+		$this->status = EE_Session::STATUS_OPEN;
+		// get our modified session ID
+		$this->_sid = $this->_generate_session_id();
+		// and the visitors IP
+		$this->_ip_address = $this->request->ipAddress();
+		// set the "user agent"
+		$this->_user_agent = $this->request->userAgent();
+		// 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->session_lifespan->inSeconds();
+		} 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->session_lifespan->inSeconds();
+		// 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->request->ipAddress();
+					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->session_lifespan->inSeconds();
+					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)
+	{
+		// don't save sessions for crawlers
+		// and unless we're deleting the session data, don't save anything if there isn't a cart
+		if ($this->request->isBot()
+			|| (
+				! $clear_session
+				&& ! $this->cart() instanceof EE_Cart
+				&& apply_filters('FHEE__EE_Session___save_session_to_db__abort_session_save', true)
+			)
+		) {
+			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->session_lifespan->inSeconds()
+			);
+		}
+		// 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->session_lifespan->inSeconds()
+		);
+	}
+
+
+	/**
+	 * @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. Returns TRUE on success, FALSE on fail
-     *
-     * @param array|mixed $data_to_reset
-     * @param bool        $show_all_notices
-     * @return bool
-     */
-    public function reset_data($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 $return_value;
-    }
-
-
-    /**
-     *   wp_loaded
-     *
-     * @access public
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    public function wp_loaded()
-    {
-        if ($this->request->requestParamIsSet('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 = "
+		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. Returns TRUE on success, FALSE on fail
+	 *
+	 * @param array|mixed $data_to_reset
+	 * @param bool        $show_all_notices
+	 * @return bool
+	 */
+	public function reset_data($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 $return_value;
+	}
+
+
+	/**
+	 *   wp_loaded
+	 *
+	 * @access public
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	public function wp_loaded()
+	{
+		if ($this->request->requestParamIsSet('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
@@ -1262,17 +1262,17 @@ 
                     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 +53 added lines, -53 removed lines

@@ -186,7 +186,7 @@ 
         // 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,
                 $lifespan,
@@ -219,21 +219,21 @@ 
         // but prior to the 'AHEE__EE_System__core_loaded_and_ready' hook
         // (which currently fires on the init hook at priority 9),
         // 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;
         }
         $this->session_lifespan = $lifespan;
         $this->request = $request;
-        if (! defined('ESPRESSO_SESSION')) {
+        if ( ! defined('ESPRESSO_SESSION')) {
             define('ESPRESSO_SESSION', true);
         }
         // 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;
             }
         }
@@ -292,7 +292,7 @@ 
     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
             $this->_create_espresso_session();
         }
@@ -365,9 +365,9 @@ 
         // set some defaults
         foreach ($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] = '';
             }
         }
     }
@@ -498,8 +498,8 @@ 
             $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 $this->_session_data;
     }
@@ -527,7 +527,7 @@ 
             return false;
         }
         foreach ($data as $key => $value) {
-            if (isset($this->_default_session_vars[ $key ])) {
+            if (isset($this->_default_session_vars[$key])) {
                 EE_Error::add_error(
                     sprintf(
                         esc_html__(
@@ -542,7 +542,7 @@ 
                 );
                 return false;
             }
-            $this->_session_data[ $key ] = $value;
+            $this->_session_data[$key] = $value;
         }
         return true;
     }
@@ -575,7 +575,7 @@ 
         $this->_user_agent = $this->request->userAgent();
         // 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
@@ -586,7 +586,7 @@ 
             // 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)
@@ -623,7 +623,7 @@ 
      */
     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);
@@ -632,7 +632,7 @@ 
             }
             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)) {
@@ -642,7 +642,7 @@ 
                                 '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__,
@@ -656,17 +656,17 @@ 
             $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
                 );
@@ -677,7 +677,7 @@ 
         $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) {
@@ -691,21 +691,21 @@ 
                       . '</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($session_data['transaction']) !== 0) {
@@ -732,7 +732,7 @@ 
         if (isset($_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);
     }
@@ -835,19 +835,19 @@ 
                     $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;
@@ -901,7 +901,7 @@ 
         }
         $transaction = $this->transaction();
         if ($transaction instanceof EE_Transaction) {
-            if (! $transaction->ID()) {
+            if ( ! $transaction->ID()) {
                 $transaction->save();
             }
             $this->_session_data['transaction'] = $transaction->ID();
@@ -915,14 +915,14 @@ 
         // 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->session_lifespan->inSeconds()
             );
         }
         // 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->session_lifespan->inSeconds()
         );
@@ -936,7 +936,7 @@ 
      */
     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'])) {
             $http_host = '';
@@ -952,14 +952,14 @@ 
             // check for page_id in SERVER REQUEST
             if (isset($_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 : '';
     }
@@ -997,7 +997,7 @@ 
 // <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();
         $this->reset_transaction();
@@ -1019,7 +1019,7 @@ 
     public function reset_data($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!
@@ -1039,11 +1039,11 @@ 
         // 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[ $reset ])) {
+            if (isset($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(
@@ -1144,7 +1144,7 @@ 
             // 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;
                 }
             );
@@ -1162,7 +1162,7 @@ 
         $error = '<pre>';
         $data2 = preg_replace_callback(
             '!s:(\d+):"(.*?)";!',
-            function ($match) {
+            function($match) {
                 return ($match[1] === strlen($match[2]))
                     ? $match[0]
                     : 's:'
@@ -1174,13 +1174,13 @@ 
             $data1
         );
         $max = (strlen($data1) > strlen($data2)) ? strlen($data1) : strlen($data2);
-        $error .= $data1 . PHP_EOL;
-        $error .= $data2 . PHP_EOL;
+        $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;
@@ -1195,7 +1195,7 @@ 
                 $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
                 );
@@ -1203,7 +1203,7 @@ 
                 $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
                 );
@@ -1234,7 +1234,7 @@ 
     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 */
@@ -1269,7 +1269,7 @@ 
                 // 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);
                 }
             }

espresso.php

Indentation +80 added lines, -80 removed lines

@@ -38,103 +38,103 @@
  * @since           4.0
  */
 if (function_exists('espresso_version')) {
-    if (! function_exists('espresso_duplicate_plugin_error')) {
-        /**
-         *    espresso_duplicate_plugin_error
-         *    displays if more than one version of EE is activated at the same time
-         */
-        function espresso_duplicate_plugin_error()
-        {
-            ?>
+	if (! function_exists('espresso_duplicate_plugin_error')) {
+		/**
+		 *    espresso_duplicate_plugin_error
+		 *    displays if more than one version of EE is activated at the same time
+		 */
+		function espresso_duplicate_plugin_error()
+		{
+			?>
             <div class="error">
                 <p>
                     <?php
-                    echo esc_html__(
-                        'Can not run multiple versions of Event Espresso! One version has been automatically deactivated. Please verify that you have the correct version you want still active.',
-                        'event_espresso'
-                    ); ?>
+					echo esc_html__(
+						'Can not run multiple versions of Event Espresso! One version has been automatically deactivated. Please verify that you have the correct version you want still active.',
+						'event_espresso'
+					); ?>
                 </p>
             </div>
             <?php
-            espresso_deactivate_plugin(plugin_basename(__FILE__));
-        }
-    }
-    add_action('admin_notices', 'espresso_duplicate_plugin_error', 1);
+			espresso_deactivate_plugin(plugin_basename(__FILE__));
+		}
+	}
+	add_action('admin_notices', 'espresso_duplicate_plugin_error', 1);
 } else {
-    define('EE_MIN_PHP_VER_REQUIRED', '5.4.0');
-    if (! version_compare(PHP_VERSION, EE_MIN_PHP_VER_REQUIRED, '>=')) {
-        /**
-         * espresso_minimum_php_version_error
-         *
-         * @return void
-         */
-        function espresso_minimum_php_version_error()
-        {
-            ?>
+	define('EE_MIN_PHP_VER_REQUIRED', '5.4.0');
+	if (! version_compare(PHP_VERSION, EE_MIN_PHP_VER_REQUIRED, '>=')) {
+		/**
+		 * espresso_minimum_php_version_error
+		 *
+		 * @return void
+		 */
+		function espresso_minimum_php_version_error()
+		{
+			?>
             <div class="error">
                 <p>
                     <?php
-                    printf(
-                        esc_html__(
-                            'We\'re sorry, but Event Espresso requires PHP version %1$s or greater in order to operate. You are currently running version %2$s.%3$sIn order to update your version of PHP, you will need to contact your current hosting provider.%3$sFor information on stable PHP versions, please go to %4$s.',
-                            'event_espresso'
-                        ),
-                        EE_MIN_PHP_VER_REQUIRED,
-                        PHP_VERSION,
-                        '<br/>',
-                        '<a href="http://php.net/downloads.php">http://php.net/downloads.php</a>'
-                    );
-                    ?>
+					printf(
+						esc_html__(
+							'We\'re sorry, but Event Espresso requires PHP version %1$s or greater in order to operate. You are currently running version %2$s.%3$sIn order to update your version of PHP, you will need to contact your current hosting provider.%3$sFor information on stable PHP versions, please go to %4$s.',
+							'event_espresso'
+						),
+						EE_MIN_PHP_VER_REQUIRED,
+						PHP_VERSION,
+						'<br/>',
+						'<a href="http://php.net/downloads.php">http://php.net/downloads.php</a>'
+					);
+					?>
                 </p>
             </div>
             <?php
-            espresso_deactivate_plugin(plugin_basename(__FILE__));
-        }
+			espresso_deactivate_plugin(plugin_basename(__FILE__));
+		}
 
-        add_action('admin_notices', 'espresso_minimum_php_version_error', 1);
-    } else {
-        define('EVENT_ESPRESSO_MAIN_FILE', __FILE__);
-        /**
-         * espresso_version
-         * Returns the plugin version
-         *
-         * @return string
-         */
-        function espresso_version()
-        {
-            return apply_filters('FHEE__espresso__espresso_version', '4.9.63.rc.021');
-        }
+		add_action('admin_notices', 'espresso_minimum_php_version_error', 1);
+	} else {
+		define('EVENT_ESPRESSO_MAIN_FILE', __FILE__);
+		/**
+		 * espresso_version
+		 * Returns the plugin version
+		 *
+		 * @return string
+		 */
+		function espresso_version()
+		{
+			return apply_filters('FHEE__espresso__espresso_version', '4.9.63.rc.021');
+		}
 
-        /**
-         * espresso_plugin_activation
-         * adds a wp-option to indicate that EE has been activated via the WP admin plugins page
-         */
-        function espresso_plugin_activation()
-        {
-            update_option('ee_espresso_activation', true);
-        }
+		/**
+		 * espresso_plugin_activation
+		 * adds a wp-option to indicate that EE has been activated via the WP admin plugins page
+		 */
+		function espresso_plugin_activation()
+		{
+			update_option('ee_espresso_activation', true);
+		}
 
-        register_activation_hook(EVENT_ESPRESSO_MAIN_FILE, 'espresso_plugin_activation');
+		register_activation_hook(EVENT_ESPRESSO_MAIN_FILE, 'espresso_plugin_activation');
 
-        require_once __DIR__ . '/core/bootstrap_espresso.php';
-        bootstrap_espresso();
-    }
+		require_once __DIR__ . '/core/bootstrap_espresso.php';
+		bootstrap_espresso();
+	}
 }
 if (! function_exists('espresso_deactivate_plugin')) {
-    /**
-     *    deactivate_plugin
-     * usage:  espresso_deactivate_plugin( plugin_basename( __FILE__ ));
-     *
-     * @access public
-     * @param string $plugin_basename - the results of plugin_basename( __FILE__ ) for the plugin's main file
-     * @return    void
-     */
-    function espresso_deactivate_plugin($plugin_basename = '')
-    {
-        if (! function_exists('deactivate_plugins')) {
-            require_once ABSPATH . 'wp-admin/includes/plugin.php';
-        }
-        unset($_GET['activate'], $_REQUEST['activate']);
-        deactivate_plugins($plugin_basename);
-    }
+	/**
+	 *    deactivate_plugin
+	 * usage:  espresso_deactivate_plugin( plugin_basename( __FILE__ ));
+	 *
+	 * @access public
+	 * @param string $plugin_basename - the results of plugin_basename( __FILE__ ) for the plugin's main file
+	 * @return    void
+	 */
+	function espresso_deactivate_plugin($plugin_basename = '')
+	{
+		if (! function_exists('deactivate_plugins')) {
+			require_once ABSPATH . 'wp-admin/includes/plugin.php';
+		}
+		unset($_GET['activate'], $_REQUEST['activate']);
+		deactivate_plugins($plugin_basename);
+	}
 }

core/EE_System.core.php

Indentation +1270 added lines, -1270 removed lines

@@ -27,1274 +27,1274 @@
 final class EE_System implements ResettableInterface
 {
 
-    /**
-     * indicates this is a 'normal' request. Ie, not activation, nor upgrade, nor activation.
-     * So examples of this would be a normal GET request on the frontend or backend, or a POST, etc
-     */
-    const req_type_normal = 0;
-
-    /**
-     * Indicates this is a brand new installation of EE so we should install
-     * tables and default data etc
-     */
-    const req_type_new_activation = 1;
-
-    /**
-     * we've detected that EE has been reactivated (or EE was activated during maintenance mode,
-     * and we just exited maintenance mode). We MUST check the database is setup properly
-     * and that default data is setup too
-     */
-    const req_type_reactivation = 2;
-
-    /**
-     * indicates that EE has been upgraded since its previous request.
-     * We may have data migration scripts to call and will want to trigger maintenance mode
-     */
-    const req_type_upgrade = 3;
-
-    /**
-     * TODO  will detect that EE has been DOWNGRADED. We probably don't want to run in this case...
-     */
-    const req_type_downgrade = 4;
-
-    /**
-     * @deprecated since version 4.6.0.dev.006
-     * Now whenever a new_activation is detected the request type is still just
-     * new_activation (same for reactivation, upgrade, downgrade etc), but if we'r ein maintenance mode
-     * EE_System::initialize_db_if_no_migrations_required and EE_Addon::initialize_db_if_no_migrations_required
-     * will instead enqueue that EE plugin's db initialization for when we're taken out of maintenance mode.
-     * (Specifically, when the migration manager indicates migrations are finished
-     * EE_Data_Migration_Manager::initialize_db_for_enqueued_ee_plugins() will be called)
-     */
-    const req_type_activation_but_not_installed = 5;
-
-    /**
-     * option prefix for recording the activation history (like core's "espresso_db_update") of addons
-     */
-    const addon_activation_history_option_prefix = 'ee_addon_activation_history_';
-
-    /**
-     * @var EE_System $_instance
-     */
-    private static $_instance;
-
-    /**
-     * @var EE_Registry $registry
-     */
-    private $registry;
-
-    /**
-     * @var LoaderInterface $loader
-     */
-    private $loader;
-
-    /**
-     * @var EE_Capabilities $capabilities
-     */
-    private $capabilities;
-
-    /**
-     * @var RequestInterface $request
-     */
-    private $request;
-
-    /**
-     * @var EE_Maintenance_Mode $maintenance_mode
-     */
-    private $maintenance_mode;
-
-    /**
-     * Stores which type of request this is, options being one of the constants on EE_System starting with req_type_*.
-     * It can be a brand-new activation, a reactivation, an upgrade, a downgrade, or a normal request.
-     *
-     * @var int $_req_type
-     */
-    private $_req_type;
-
-    /**
-     * Whether or not there was a non-micro version change in EE core version during this request
-     *
-     * @var boolean $_major_version_change
-     */
-    private $_major_version_change = false;
-
-    /**
-     * A Context DTO dedicated solely to identifying the current request type.
-     *
-     * @var RequestTypeContextCheckerInterface $request_type
-     */
-    private $request_type;
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @param EE_Registry|null         $registry
-     * @param LoaderInterface|null     $loader
-     * @param RequestInterface|null    $request
-     * @param EE_Maintenance_Mode|null $maintenance_mode
-     * @return EE_System
-     */
-    public static function instance(
-        EE_Registry $registry = null,
-        LoaderInterface $loader = null,
-        RequestInterface $request = null,
-        EE_Maintenance_Mode $maintenance_mode = null
-    ) {
-        // check if class object is instantiated
-        if (! self::$_instance instanceof EE_System) {
-            self::$_instance = new self($registry, $loader, $request, $maintenance_mode);
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * resets the instance and returns it
-     *
-     * @return EE_System
-     */
-    public static function reset()
-    {
-        self::$_instance->_req_type = null;
-        // make sure none of the old hooks are left hanging around
-        remove_all_actions('AHEE__EE_System__perform_activations_upgrades_and_migrations');
-        // we need to reset the migration manager in order for it to detect DMSs properly
-        EE_Data_Migration_Manager::reset();
-        self::instance()->detect_activations_or_upgrades();
-        self::instance()->perform_activations_upgrades_and_migrations();
-        return self::instance();
-    }
-
-
-    /**
-     * sets hooks for running rest of system
-     * provides "AHEE__EE_System__construct__complete" hook for EE Addons to use as their starting point
-     * starting EE Addons from any other point may lead to problems
-     *
-     * @param EE_Registry         $registry
-     * @param LoaderInterface     $loader
-     * @param RequestInterface    $request
-     * @param EE_Maintenance_Mode $maintenance_mode
-     */
-    private function __construct(
-        EE_Registry $registry,
-        LoaderInterface $loader,
-        RequestInterface $request,
-        EE_Maintenance_Mode $maintenance_mode
-    ) {
-        $this->registry = $registry;
-        $this->loader = $loader;
-        $this->request = $request;
-        $this->maintenance_mode = $maintenance_mode;
-        do_action('AHEE__EE_System__construct__begin', $this);
-        add_action(
-            'AHEE__EE_Bootstrap__load_espresso_addons',
-            array($this, 'loadCapabilities'),
-            5
-        );
-        add_action(
-            'AHEE__EE_Bootstrap__load_espresso_addons',
-            array($this, 'loadCommandBus'),
-            7
-        );
-        add_action(
-            'AHEE__EE_Bootstrap__load_espresso_addons',
-            array($this, 'loadPluginApi'),
-            9
-        );
-        // allow addons to load first so that they can register autoloaders, set hooks for running DMS's, etc
-        add_action(
-            'AHEE__EE_Bootstrap__load_espresso_addons',
-            array($this, 'load_espresso_addons')
-        );
-        // when an ee addon is activated, we want to call the core hook(s) again
-        // because the newly-activated addon didn't get a chance to run at all
-        add_action('activate_plugin', array($this, 'load_espresso_addons'), 1);
-        // detect whether install or upgrade
-        add_action(
-            'AHEE__EE_Bootstrap__detect_activations_or_upgrades',
-            array($this, 'detect_activations_or_upgrades'),
-            3
-        );
-        // load EE_Config, EE_Textdomain, etc
-        add_action(
-            'AHEE__EE_Bootstrap__load_core_configuration',
-            array($this, 'load_core_configuration'),
-            5
-        );
-        // load EE_Config, EE_Textdomain, etc
-        add_action(
-            'AHEE__EE_Bootstrap__register_shortcodes_modules_and_widgets',
-            array($this, 'register_shortcodes_modules_and_widgets'),
-            7
-        );
-        // you wanna get going? I wanna get going... let's get going!
-        add_action(
-            'AHEE__EE_Bootstrap__brew_espresso',
-            array($this, 'brew_espresso'),
-            9
-        );
-        // other housekeeping
-        // exclude EE critical pages from wp_list_pages
-        add_filter(
-            'wp_list_pages_excludes',
-            array($this, 'remove_pages_from_wp_list_pages'),
-            10
-        );
-        // ALL EE Addons should use the following hook point to attach their initial setup too
-        // it's extremely important for EE Addons to register any class autoloaders so that they can be available when the EE_Config loads
-        do_action('AHEE__EE_System__construct__complete', $this);
-    }
-
-
-    /**
-     * load and setup EE_Capabilities
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function loadCapabilities()
-    {
-        $this->capabilities = $this->loader->getShared('EE_Capabilities');
-        add_action(
-            'AHEE__EE_Capabilities__init_caps__before_initialization',
-            function () {
-                LoaderFactory::getLoader()->getShared('EE_Payment_Method_Manager');
-            }
-        );
-    }
-
-
-    /**
-     * create and cache the CommandBus, and also add middleware
-     * The CapChecker middleware requires the use of EE_Capabilities
-     * which is why we need to load the CommandBus after Caps are set up
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function loadCommandBus()
-    {
-        $this->loader->getShared(
-            'CommandBusInterface',
-            array(
-                null,
-                apply_filters(
-                    'FHEE__EE_Load_Espresso_Core__handle_request__CommandBus_middleware',
-                    array(
-                        $this->loader->getShared('EventEspresso\core\services\commands\middleware\CapChecker'),
-                        $this->loader->getShared('EventEspresso\core\services\commands\middleware\AddActionHook'),
-                    )
-                ),
-            )
-        );
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     */
-    public function loadPluginApi()
-    {
-        // set autoloaders for all of the classes implementing EEI_Plugin_API
-        // which provide helpers for EE plugin authors to more easily register certain components with EE.
-        EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'plugin_api');
-        $this->loader->getShared('EE_Request_Handler');
-    }
-
-
-    /**
-     * @param string $addon_name
-     * @param string $version_constant
-     * @param string $min_version_required
-     * @param string $load_callback
-     * @param string $plugin_file_constant
-     * @return void
-     */
-    private function deactivateIncompatibleAddon(
-        $addon_name,
-        $version_constant,
-        $min_version_required,
-        $load_callback,
-        $plugin_file_constant
-    ) {
-        if (! defined($version_constant)) {
-            return;
-        }
-        $addon_version = constant($version_constant);
-        if ($addon_version && version_compare($addon_version, $min_version_required, '<')) {
-            remove_action('AHEE__EE_System__load_espresso_addons', $load_callback);
-            if (! function_exists('deactivate_plugins')) {
-                require_once ABSPATH . 'wp-admin/includes/plugin.php';
-            }
-            deactivate_plugins(plugin_basename(constant($plugin_file_constant)));
-            unset($_GET['activate'], $_REQUEST['activate'], $_GET['activate-multi'], $_REQUEST['activate-multi']);
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        'We\'re sorry, but the Event Espresso %1$s addon was deactivated because version %2$s or higher is required with this version of Event Espresso core.',
-                        'event_espresso'
-                    ),
-                    $addon_name,
-                    $min_version_required
-                ),
-                __FILE__,
-                __FUNCTION__ . "({$addon_name})",
-                __LINE__
-            );
-            EE_Error::get_notices(false, true);
-        }
-    }
-
-
-    /**
-     * load_espresso_addons
-     * allow addons to load first so that they can set hooks for running DMS's, etc
-     * this is hooked into both:
-     *    'AHEE__EE_Bootstrap__load_core_configuration'
-     *        which runs during the WP 'plugins_loaded' action at priority 5
-     *    and the WP 'activate_plugin' hook point
-     *
-     * @access public
-     * @return void
-     */
-    public function load_espresso_addons()
-    {
-        $this->deactivateIncompatibleAddon(
-            'Wait Lists',
-            'EE_WAIT_LISTS_VERSION',
-            '1.0.0.beta.074',
-            'load_espresso_wait_lists',
-            'EE_WAIT_LISTS_PLUGIN_FILE'
-        );
-        $this->deactivateIncompatibleAddon(
-            'Automated Upcoming Event Notifications',
-            'EE_AUTOMATED_UPCOMING_EVENT_NOTIFICATION_VERSION',
-            '1.0.0.beta.091',
-            'load_espresso_automated_upcoming_event_notification',
-            'EE_AUTOMATED_UPCOMING_EVENT_NOTIFICATION_PLUGIN_FILE'
-        );
-        do_action('AHEE__EE_System__load_espresso_addons');
-        // if the WP API basic auth plugin isn't already loaded, load it now.
-        // We want it for mobile apps. Just include the entire plugin
-        // also, don't load the basic auth when a plugin is getting activated, because
-        // it could be the basic auth plugin, and it doesn't check if its methods are already defined
-        // and causes a fatal error
-        if ($this->request->getRequestParam('activate') !== 'true'
-            && ! function_exists('json_basic_auth_handler')
-            && ! function_exists('json_basic_auth_error')
-            && ! in_array(
-                $this->request->getRequestParam('action'),
-                array('activate', 'activate-selected'),
-                true
-            )
-        ) {
-            include_once EE_THIRD_PARTY . 'wp-api-basic-auth' . DS . 'basic-auth.php';
-        }
-        do_action('AHEE__EE_System__load_espresso_addons__complete');
-    }
-
-
-    /**
-     * detect_activations_or_upgrades
-     * Checks for activation or upgrade of core first;
-     * then also checks if any registered addons have been activated or upgraded
-     * This is hooked into 'AHEE__EE_Bootstrap__detect_activations_or_upgrades'
-     * which runs during the WP 'plugins_loaded' action at priority 3
-     *
-     * @access public
-     * @return void
-     */
-    public function detect_activations_or_upgrades()
-    {
-        // first off: let's make sure to handle core
-        $this->detect_if_activation_or_upgrade();
-        foreach ($this->registry->addons as $addon) {
-            if ($addon instanceof EE_Addon) {
-                // detect teh request type for that addon
-                $addon->detect_activation_or_upgrade();
-            }
-        }
-    }
-
-
-    /**
-     * detect_if_activation_or_upgrade
-     * Takes care of detecting whether this is a brand new install or code upgrade,
-     * and either setting up the DB or setting up maintenance mode etc.
-     *
-     * @access public
-     * @return void
-     */
-    public function detect_if_activation_or_upgrade()
-    {
-        do_action('AHEE__EE_System___detect_if_activation_or_upgrade__begin');
-        // check if db has been updated, or if its a brand-new installation
-        $espresso_db_update = $this->fix_espresso_db_upgrade_option();
-        $request_type = $this->detect_req_type($espresso_db_update);
-        // EEH_Debug_Tools::printr( $request_type, '$request_type', __FILE__, __LINE__ );
-        switch ($request_type) {
-            case EE_System::req_type_new_activation:
-                do_action('AHEE__EE_System__detect_if_activation_or_upgrade__new_activation');
-                $this->_handle_core_version_change($espresso_db_update);
-                break;
-            case EE_System::req_type_reactivation:
-                do_action('AHEE__EE_System__detect_if_activation_or_upgrade__reactivation');
-                $this->_handle_core_version_change($espresso_db_update);
-                break;
-            case EE_System::req_type_upgrade:
-                do_action('AHEE__EE_System__detect_if_activation_or_upgrade__upgrade');
-                // migrations may be required now that we've upgraded
-                $this->maintenance_mode->set_maintenance_mode_if_db_old();
-                $this->_handle_core_version_change($espresso_db_update);
-                break;
-            case EE_System::req_type_downgrade:
-                do_action('AHEE__EE_System__detect_if_activation_or_upgrade__downgrade');
-                // its possible migrations are no longer required
-                $this->maintenance_mode->set_maintenance_mode_if_db_old();
-                $this->_handle_core_version_change($espresso_db_update);
-                break;
-            case EE_System::req_type_normal:
-            default:
-                break;
-        }
-        do_action('AHEE__EE_System__detect_if_activation_or_upgrade__complete');
-    }
-
-
-    /**
-     * Updates the list of installed versions and sets hooks for
-     * initializing the database later during the request
-     *
-     * @param array $espresso_db_update
-     */
-    private function _handle_core_version_change($espresso_db_update)
-    {
-        $this->update_list_of_installed_versions($espresso_db_update);
-        // get ready to verify the DB is ok (provided we aren't in maintenance mode, of course)
-        add_action(
-            'AHEE__EE_System__perform_activations_upgrades_and_migrations',
-            array($this, 'initialize_db_if_no_migrations_required')
-        );
-    }
-
-
-    /**
-     * standardizes the wp option 'espresso_db_upgrade' which actually stores
-     * information about what versions of EE have been installed and activated,
-     * NOT necessarily the state of the database
-     *
-     * @param mixed $espresso_db_update           the value of the WordPress option.
-     *                                            If not supplied, fetches it from the options table
-     * @return array the correct value of 'espresso_db_upgrade', after saving it, if it needed correction
-     */
-    private function fix_espresso_db_upgrade_option($espresso_db_update = null)
-    {
-        do_action('FHEE__EE_System__manage_fix_espresso_db_upgrade_option__begin', $espresso_db_update);
-        if (! $espresso_db_update) {
-            $espresso_db_update = get_option('espresso_db_update');
-        }
-        // check that option is an array
-        if (! is_array($espresso_db_update)) {
-            // if option is FALSE, then it never existed
-            if ($espresso_db_update === false) {
-                // make $espresso_db_update an array and save option with autoload OFF
-                $espresso_db_update = array();
-                add_option('espresso_db_update', $espresso_db_update, '', 'no');
-            } else {
-                // option is NOT FALSE but also is NOT an array, so make it an array and save it
-                $espresso_db_update = array($espresso_db_update => array());
-                update_option('espresso_db_update', $espresso_db_update);
-            }
-        } else {
-            $corrected_db_update = array();
-            // if IS an array, but is it an array where KEYS are version numbers, and values are arrays?
-            foreach ($espresso_db_update as $should_be_version_string => $should_be_array) {
-                if (is_int($should_be_version_string) && ! is_array($should_be_array)) {
-                    // the key is an int, and the value IS NOT an array
-                    // so it must be numerically-indexed, where values are versions installed...
-                    // fix it!
-                    $version_string = $should_be_array;
-                    $corrected_db_update[ $version_string ] = array('unknown-date');
-                } else {
-                    // ok it checks out
-                    $corrected_db_update[ $should_be_version_string ] = $should_be_array;
-                }
-            }
-            $espresso_db_update = $corrected_db_update;
-            update_option('espresso_db_update', $espresso_db_update);
-        }
-        do_action('FHEE__EE_System__manage_fix_espresso_db_upgrade_option__complete', $espresso_db_update);
-        return $espresso_db_update;
-    }
-
-
-    /**
-     * Does the traditional work of setting up the plugin's database and adding default data.
-     * If migration script/process did not exist, this is what would happen on every activation/reactivation/upgrade.
-     * NOTE: if we're in maintenance mode (which would be the case if we detect there are data
-     * migration scripts that need to be run and a version change happens), enqueues core for database initialization,
-     * so that it will be done when migrations are finished
-     *
-     * @param boolean $initialize_addons_too if true, we double-check addons' database tables etc too;
-     * @param boolean $verify_schema         if true will re-check the database tables have the correct schema.
-     *                                       This is a resource-intensive job
-     *                                       so we prefer to only do it when necessary
-     * @return void
-     * @throws EE_Error
-     */
-    public function initialize_db_if_no_migrations_required($initialize_addons_too = false, $verify_schema = true)
-    {
-        $request_type = $this->detect_req_type();
-        // only initialize system if we're not in maintenance mode.
-        if ($this->maintenance_mode->level() !== EE_Maintenance_Mode::level_2_complete_maintenance) {
-            /** @var EventEspresso\core\domain\services\custom_post_types\RewriteRules $rewrite_rules */
-            $rewrite_rules = $this->loader->getShared(
-                'EventEspresso\core\domain\services\custom_post_types\RewriteRules'
-            );
-            $rewrite_rules->flush();
-            if ($verify_schema) {
-                EEH_Activation::initialize_db_and_folders();
-            }
-            EEH_Activation::initialize_db_content();
-            EEH_Activation::system_initialization();
-            if ($initialize_addons_too) {
-                $this->initialize_addons();
-            }
-        } else {
-            EE_Data_Migration_Manager::instance()->enqueue_db_initialization_for('Core');
-        }
-        if ($request_type === EE_System::req_type_new_activation
-            || $request_type === EE_System::req_type_reactivation
-            || (
-                $request_type === EE_System::req_type_upgrade
-                && $this->is_major_version_change()
-            )
-        ) {
-            add_action('AHEE__EE_System__initialize_last', array($this, 'redirect_to_about_ee'), 9);
-        }
-    }
-
-
-    /**
-     * Initializes the db for all registered addons
-     *
-     * @throws EE_Error
-     */
-    public function initialize_addons()
-    {
-        // foreach registered addon, make sure its db is up-to-date too
-        foreach ($this->registry->addons as $addon) {
-            if ($addon instanceof EE_Addon) {
-                $addon->initialize_db_if_no_migrations_required();
-            }
-        }
-    }
-
-
-    /**
-     * Adds the current code version to the saved wp option which stores a list of all ee versions ever installed.
-     *
-     * @param    array  $version_history
-     * @param    string $current_version_to_add version to be added to the version history
-     * @return    boolean success as to whether or not this option was changed
-     */
-    public function update_list_of_installed_versions($version_history = null, $current_version_to_add = null)
-    {
-        if (! $version_history) {
-            $version_history = $this->fix_espresso_db_upgrade_option($version_history);
-        }
-        if ($current_version_to_add === null) {
-            $current_version_to_add = espresso_version();
-        }
-        $version_history[ $current_version_to_add ][] = date('Y-m-d H:i:s', time());
-        // re-save
-        return update_option('espresso_db_update', $version_history);
-    }
-
-
-    /**
-     * Detects if the current version indicated in the has existed in the list of
-     * previously-installed versions of EE (espresso_db_update). Does NOT modify it (ie, no side-effect)
-     *
-     * @param array $espresso_db_update array from the wp option stored under the name 'espresso_db_update'.
-     *                                  If not supplied, fetches it from the options table.
-     *                                  Also, caches its result so later parts of the code can also know whether
-     *                                  there's been an update or not. This way we can add the current version to
-     *                                  espresso_db_update, but still know if this is a new install or not
-     * @return int one of the constants on EE_System::req_type_
-     */
-    public function detect_req_type($espresso_db_update = null)
-    {
-        if ($this->_req_type === null) {
-            $espresso_db_update = ! empty($espresso_db_update)
-                ? $espresso_db_update
-                : $this->fix_espresso_db_upgrade_option();
-            $this->_req_type = EE_System::detect_req_type_given_activation_history(
-                $espresso_db_update,
-                'ee_espresso_activation',
-                espresso_version()
-            );
-            $this->_major_version_change = $this->_detect_major_version_change($espresso_db_update);
-            $this->request->setIsActivation($this->_req_type !== EE_System::req_type_normal);
-        }
-        return $this->_req_type;
-    }
-
-
-    /**
-     * Returns whether or not there was a non-micro version change (ie, change in either
-     * the first or second number in the version. Eg 4.9.0.rc.001 to 4.10.0.rc.000,
-     * but not 4.9.0.rc.0001 to 4.9.1.rc.0001
-     *
-     * @param $activation_history
-     * @return bool
-     */
-    private function _detect_major_version_change($activation_history)
-    {
-        $previous_version = EE_System::_get_most_recently_active_version_from_activation_history($activation_history);
-        $previous_version_parts = explode('.', $previous_version);
-        $current_version_parts = explode('.', espresso_version());
-        return isset($previous_version_parts[0], $previous_version_parts[1], $current_version_parts[0], $current_version_parts[1])
-               && ($previous_version_parts[0] !== $current_version_parts[0]
-                   || $previous_version_parts[1] !== $current_version_parts[1]
-               );
-    }
-
-
-    /**
-     * Returns true if either the major or minor version of EE changed during this request.
-     * Eg 4.9.0.rc.001 to 4.10.0.rc.000, but not 4.9.0.rc.0001 to 4.9.1.rc.0001
-     *
-     * @return bool
-     */
-    public function is_major_version_change()
-    {
-        return $this->_major_version_change;
-    }
-
-
-    /**
-     * Determines the request type for any ee addon, given three piece of info: the current array of activation
-     * histories (for core that' 'espresso_db_update' wp option); the name of the WordPress option which is temporarily
-     * set upon activation of the plugin (for core it's 'ee_espresso_activation'); and the version that this plugin was
-     * just activated to (for core that will always be espresso_version())
-     *
-     * @param array  $activation_history_for_addon     the option's value which stores the activation history for this
-     *                                                 ee plugin. for core that's 'espresso_db_update'
-     * @param string $activation_indicator_option_name the name of the WordPress option that is temporarily set to
-     *                                                 indicate that this plugin was just activated
-     * @param string $version_to_upgrade_to            the version that was just upgraded to (for core that will be
-     *                                                 espresso_version())
-     * @return int one of the constants on EE_System::req_type_*
-     */
-    public static function detect_req_type_given_activation_history(
-        $activation_history_for_addon,
-        $activation_indicator_option_name,
-        $version_to_upgrade_to
-    ) {
-        $version_is_higher = self::_new_version_is_higher($activation_history_for_addon, $version_to_upgrade_to);
-        if ($activation_history_for_addon) {
-            // it exists, so this isn't a completely new install
-            // check if this version already in that list of previously installed versions
-            if (! isset($activation_history_for_addon[ $version_to_upgrade_to ])) {
-                // it a version we haven't seen before
-                if ($version_is_higher === 1) {
-                    $req_type = EE_System::req_type_upgrade;
-                } else {
-                    $req_type = EE_System::req_type_downgrade;
-                }
-                delete_option($activation_indicator_option_name);
-            } else {
-                // its not an update. maybe a reactivation?
-                if (get_option($activation_indicator_option_name, false)) {
-                    if ($version_is_higher === -1) {
-                        $req_type = EE_System::req_type_downgrade;
-                    } elseif ($version_is_higher === 0) {
-                        // we've seen this version before, but it's an activation. must be a reactivation
-                        $req_type = EE_System::req_type_reactivation;
-                    } else {// $version_is_higher === 1
-                        $req_type = EE_System::req_type_upgrade;
-                    }
-                    delete_option($activation_indicator_option_name);
-                } else {
-                    // we've seen this version before and the activation indicate doesn't show it was just activated
-                    if ($version_is_higher === -1) {
-                        $req_type = EE_System::req_type_downgrade;
-                    } elseif ($version_is_higher === 0) {
-                        // we've seen this version before and it's not an activation. its normal request
-                        $req_type = EE_System::req_type_normal;
-                    } else {// $version_is_higher === 1
-                        $req_type = EE_System::req_type_upgrade;
-                    }
-                }
-            }
-        } else {
-            // brand new install
-            $req_type = EE_System::req_type_new_activation;
-            delete_option($activation_indicator_option_name);
-        }
-        return $req_type;
-    }
-
-
-    /**
-     * Detects if the $version_to_upgrade_to is higher than the most recent version in
-     * the $activation_history_for_addon
-     *
-     * @param array  $activation_history_for_addon (keys are versions, values are arrays of times activated,
-     *                                             sometimes containing 'unknown-date'
-     * @param string $version_to_upgrade_to        (current version)
-     * @return int results of version_compare( $version_to_upgrade_to, $most_recently_active_version ).
-     *                                             ie, -1 if $version_to_upgrade_to is LOWER (downgrade);
-     *                                             0 if $version_to_upgrade_to MATCHES (reactivation or normal request);
-     *                                             1 if $version_to_upgrade_to is HIGHER (upgrade) ;
-     */
-    private static function _new_version_is_higher($activation_history_for_addon, $version_to_upgrade_to)
-    {
-        // find the most recently-activated version
-        $most_recently_active_version =
-            EE_System::_get_most_recently_active_version_from_activation_history($activation_history_for_addon);
-        return version_compare($version_to_upgrade_to, $most_recently_active_version);
-    }
-
-
-    /**
-     * Gets the most recently active version listed in the activation history,
-     * and if none are found (ie, it's a brand new install) returns '0.0.0.dev.000'.
-     *
-     * @param array $activation_history  (keys are versions, values are arrays of times activated,
-     *                                   sometimes containing 'unknown-date'
-     * @return string
-     */
-    private static function _get_most_recently_active_version_from_activation_history($activation_history)
-    {
-        $most_recently_active_version_activation = '1970-01-01 00:00:00';
-        $most_recently_active_version = '0.0.0.dev.000';
-        if (is_array($activation_history)) {
-            foreach ($activation_history as $version => $times_activated) {
-                // check there is a record of when this version was activated. Otherwise,
-                // mark it as unknown
-                if (! $times_activated) {
-                    $times_activated = array('unknown-date');
-                }
-                if (is_string($times_activated)) {
-                    $times_activated = array($times_activated);
-                }
-                foreach ($times_activated as $an_activation) {
-                    if ($an_activation !== 'unknown-date'
-                        && $an_activation
-                           > $most_recently_active_version_activation) {
-                        $most_recently_active_version = $version;
-                        $most_recently_active_version_activation = $an_activation === 'unknown-date'
-                            ? '1970-01-01 00:00:00'
-                            : $an_activation;
-                    }
-                }
-            }
-        }
-        return $most_recently_active_version;
-    }
-
-
-    /**
-     * This redirects to the about EE page after activation
-     *
-     * @return void
-     */
-    public function redirect_to_about_ee()
-    {
-        $notices = EE_Error::get_notices(false);
-        // if current user is an admin and it's not an ajax or rest request
-        if (! isset($notices['errors'])
-            && $this->request->isAdmin()
-            && apply_filters(
-                'FHEE__EE_System__redirect_to_about_ee__do_redirect',
-                $this->capabilities->current_user_can('manage_options', 'espresso_about_default')
-            )
-        ) {
-            $query_params = array('page' => 'espresso_about');
-            if (EE_System::instance()->detect_req_type() === EE_System::req_type_new_activation) {
-                $query_params['new_activation'] = true;
-            }
-            if (EE_System::instance()->detect_req_type() === EE_System::req_type_reactivation) {
-                $query_params['reactivation'] = true;
-            }
-            $url = add_query_arg($query_params, admin_url('admin.php'));
-            wp_safe_redirect($url);
-            exit();
-        }
-    }
-
-
-    /**
-     * load_core_configuration
-     * this is hooked into 'AHEE__EE_Bootstrap__load_core_configuration'
-     * which runs during the WP 'plugins_loaded' action at priority 5
-     *
-     * @return void
-     * @throws ReflectionException
-     */
-    public function load_core_configuration()
-    {
-        do_action('AHEE__EE_System__load_core_configuration__begin', $this);
-        $this->loader->getShared('EE_Load_Textdomain');
-        // load textdomain
-        EE_Load_Textdomain::load_textdomain();
-        // load and setup EE_Config and EE_Network_Config
-        $config = $this->loader->getShared('EE_Config');
-        $this->loader->getShared('EE_Network_Config');
-        // setup autoloaders
-        // enable logging?
-        if ($config->admin->use_full_logging) {
-            $this->loader->getShared('EE_Log');
-        }
-        // check for activation errors
-        $activation_errors = get_option('ee_plugin_activation_errors', false);
-        if ($activation_errors) {
-            EE_Error::add_error($activation_errors, __FILE__, __FUNCTION__, __LINE__);
-            update_option('ee_plugin_activation_errors', false);
-        }
-        // get model names
-        $this->_parse_model_names();
-        // load caf stuff a chance to play during the activation process too.
-        $this->_maybe_brew_regular();
-        // configure custom post type definitions
-        $this->loader->getShared('EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions');
-        $this->loader->getShared('EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions');
-        do_action('AHEE__EE_System__load_core_configuration__complete', $this);
-    }
-
-
-    /**
-     * cycles through all of the models/*.model.php files, and assembles an array of model names
-     *
-     * @return void
-     * @throws ReflectionException
-     */
-    private function _parse_model_names()
-    {
-        // get all the files in the EE_MODELS folder that end in .model.php
-        $models = glob(EE_MODELS . '*.model.php');
-        $model_names = array();
-        $non_abstract_db_models = array();
-        foreach ($models as $model) {
-            // get model classname
-            $classname = EEH_File::get_classname_from_filepath_with_standard_filename($model);
-            $short_name = str_replace('EEM_', '', $classname);
-            $reflectionClass = new ReflectionClass($classname);
-            if ($reflectionClass->isSubclassOf('EEM_Base') && ! $reflectionClass->isAbstract()) {
-                $non_abstract_db_models[ $short_name ] = $classname;
-            }
-            $model_names[ $short_name ] = $classname;
-        }
-        $this->registry->models = apply_filters('FHEE__EE_System__parse_model_names', $model_names);
-        $this->registry->non_abstract_db_models = apply_filters(
-            'FHEE__EE_System__parse_implemented_model_names',
-            $non_abstract_db_models
-        );
-    }
-
-
-    /**
-     * The purpose of this method is to simply check for a file named "caffeinated/brewing_regular.php" for any hooks
-     * that need to be setup before our EE_System launches.
-     *
-     * @return void
-     * @throws DomainException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidClassException
-     * @throws InvalidFilePathException
-     */
-    private function _maybe_brew_regular()
-    {
-        /** @var Domain $domain */
-        $domain = DomainFactory::getShared(
-            new FullyQualifiedName(
-                'EventEspresso\core\domain\Domain'
-            ),
-            array(
-                new FilePath(EVENT_ESPRESSO_MAIN_FILE),
-                Version::fromString(espresso_version()),
-            )
-        );
-        if ($domain->isCaffeinated()) {
-            require_once EE_CAFF_PATH . 'brewing_regular.php';
-        }
-    }
-
-
-    /**
-     * register_shortcodes_modules_and_widgets
-     * generate lists of shortcodes and modules, then verify paths and classes
-     * This is hooked into 'AHEE__EE_Bootstrap__register_shortcodes_modules_and_widgets'
-     * which runs during the WP 'plugins_loaded' action at priority 7
-     *
-     * @access public
-     * @return void
-     * @throws Exception
-     */
-    public function register_shortcodes_modules_and_widgets()
-    {
-        try {
-            // load, register, and add shortcodes the new way
-            if ($this->request->isFrontend() || $this->request->isIframe()) {
-                $this->loader->getShared(
-                    'EventEspresso\core\services\shortcodes\ShortcodesManager',
-                    array(
-                        // and the old way, but we'll put it under control of the new system
-                        EE_Config::getLegacyShortcodesManager(),
-                    )
-                );
-            }
-        } catch (Exception $exception) {
-            new ExceptionStackTraceDisplay($exception);
-        }
-        do_action('AHEE__EE_System__register_shortcodes_modules_and_widgets');
-        // check for addons using old hook point
-        if (has_action('AHEE__EE_System__register_shortcodes_modules_and_addons')) {
-            $this->_incompatible_addon_error();
-        }
-    }
-
-
-    /**
-     * _incompatible_addon_error
-     *
-     * @access public
-     * @return void
-     */
-    private function _incompatible_addon_error()
-    {
-        // get array of classes hooking into here
-        $class_names = EEH_Class_Tools::get_class_names_for_all_callbacks_on_hook(
-            'AHEE__EE_System__register_shortcodes_modules_and_addons'
-        );
-        if (! empty($class_names)) {
-            $msg = __(
-                'The following plugins, addons, or modules appear to be incompatible with this version of Event Espresso and were automatically deactivated to avoid fatal errors:',
-                'event_espresso'
-            );
-            $msg .= '<ul>';
-            foreach ($class_names as $class_name) {
-                $msg .= '<li><b>Event Espresso - '
-                        . str_replace(
-                            array('EE_', 'EEM_', 'EED_', 'EES_', 'EEW_'),
-                            '',
-                            $class_name
-                        ) . '</b></li>';
-            }
-            $msg .= '</ul>';
-            $msg .= __(
-                'Compatibility issues can be avoided and/or resolved by keeping addons and plugins updated to the latest version.',
-                'event_espresso'
-            );
-            // save list of incompatible addons to wp-options for later use
-            add_option('ee_incompatible_addons', $class_names, '', 'no');
-            if (is_admin()) {
-                EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
-            }
-        }
-    }
-
-
-    /**
-     * brew_espresso
-     * begins the process of setting hooks for initializing EE in the correct order
-     * This is happening on the 'AHEE__EE_Bootstrap__brew_espresso' hook point
-     * which runs during the WP 'plugins_loaded' action at priority 9
-     *
-     * @return void
-     */
-    public function brew_espresso()
-    {
-        do_action('AHEE__EE_System__brew_espresso__begin', $this);
-        // load some final core systems
-        add_action('init', array($this, 'set_hooks_for_core'), 1);
-        add_action('init', array($this, 'perform_activations_upgrades_and_migrations'), 3);
-        add_action('init', array($this, 'load_CPTs_and_session'), 5);
-        add_action('init', array($this, 'load_controllers'), 7);
-        add_action('init', array($this, 'core_loaded_and_ready'), 9);
-        add_action('init', array($this, 'initialize'), 10);
-        add_action('init', array($this, 'initialize_last'), 100);
-        if (is_admin() && apply_filters('FHEE__EE_System__brew_espresso__load_pue', true)) {
-            // pew pew pew
-            $this->loader->getShared('EventEspresso\core\services\licensing\LicenseService');
-            do_action('AHEE__EE_System__brew_espresso__after_pue_init');
-        }
-        do_action('AHEE__EE_System__brew_espresso__complete', $this);
-    }
-
-
-    /**
-     *    set_hooks_for_core
-     *
-     * @access public
-     * @return    void
-     * @throws EE_Error
-     */
-    public function set_hooks_for_core()
-    {
-        $this->_deactivate_incompatible_addons();
-        do_action('AHEE__EE_System__set_hooks_for_core');
-        $this->loader->getShared('EventEspresso\core\domain\values\session\SessionLifespan');
-        // caps need to be initialized on every request so that capability maps are set.
-        // @see https://events.codebasehq.com/projects/event-espresso/tickets/8674
-        $this->registry->CAP->init_caps();
-    }
-
-
-    /**
-     * Using the information gathered in EE_System::_incompatible_addon_error,
-     * deactivates any addons considered incompatible with the current version of EE
-     */
-    private function _deactivate_incompatible_addons()
-    {
-        $incompatible_addons = get_option('ee_incompatible_addons', array());
-        if (! empty($incompatible_addons)) {
-            $active_plugins = get_option('active_plugins', array());
-            foreach ($active_plugins as $active_plugin) {
-                foreach ($incompatible_addons as $incompatible_addon) {
-                    if (strpos($active_plugin, $incompatible_addon) !== false) {
-                        unset($_GET['activate']);
-                        espresso_deactivate_plugin($active_plugin);
-                    }
-                }
-            }
-        }
-    }
-
-
-    /**
-     *    perform_activations_upgrades_and_migrations
-     *
-     * @access public
-     * @return    void
-     */
-    public function perform_activations_upgrades_and_migrations()
-    {
-        do_action('AHEE__EE_System__perform_activations_upgrades_and_migrations');
-    }
-
-
-    /**
-     * @return void
-     * @throws DomainException
-     */
-    public function load_CPTs_and_session()
-    {
-        do_action('AHEE__EE_System__load_CPTs_and_session__start');
-        /** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies $register_custom_taxonomies */
-        $register_custom_taxonomies = $this->loader->getShared(
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies'
-        );
-        $register_custom_taxonomies->registerCustomTaxonomies();
-        /** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes $register_custom_post_types */
-        $register_custom_post_types = $this->loader->getShared(
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes'
-        );
-        $register_custom_post_types->registerCustomPostTypes();
-        /** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomyTerms $register_custom_taxonomy_terms */
-        $register_custom_taxonomy_terms = $this->loader->getShared(
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomyTerms'
-        );
-        $register_custom_taxonomy_terms->registerCustomTaxonomyTerms();
-        // load legacy Custom Post Types and Taxonomies
-        $this->loader->getShared('EE_Register_CPTs');
-        do_action('AHEE__EE_System__load_CPTs_and_session__complete');
-    }
-
-
-    /**
-     * load_controllers
-     * this is the best place to load any additional controllers that needs access to EE core.
-     * it is expected that all basic core EE systems, that are not dependant on the current request are loaded at this
-     * time
-     *
-     * @access public
-     * @return void
-     */
-    public function load_controllers()
-    {
-        do_action('AHEE__EE_System__load_controllers__start');
-        // let's get it started
-        if (! $this->maintenance_mode->level()
-            && ($this->request->isFrontend() || $this->request->isFrontAjax())
-        ) {
-            do_action('AHEE__EE_System__load_controllers__load_front_controllers');
-            $this->loader->getShared('EE_Front_Controller');
-        } elseif ($this->request->isAdmin() || $this->request->isAdminAjax()) {
-            do_action('AHEE__EE_System__load_controllers__load_admin_controllers');
-            $this->loader->getShared('EE_Admin');
-        }
-        do_action('AHEE__EE_System__load_controllers__complete');
-    }
-
-
-    /**
-     * core_loaded_and_ready
-     * all of the basic EE core should be loaded at this point and available regardless of M-Mode
-     *
-     * @access public
-     * @return void
-     * @throws Exception
-     */
-    public function core_loaded_and_ready()
-    {
-        if ($this->request->isAdmin() || $this->request->isFrontend() || $this->request->isIframe()) {
-            try {
-                $this->loader->getShared('EventEspresso\core\services\assets\Registry');
-                $this->loader->getShared('EventEspresso\core\domain\services\assets\CoreAssetManager');
-                if (function_exists('register_block_type')) {
-                    $this->loader->getShared(
-                        'EventEspresso\core\services\editor\BlockRegistrationManager'
-                    );
-                }
-            } catch (Exception $exception) {
-                new ExceptionStackTraceDisplay($exception);
-            }
-        }
-        if ($this->request->isAdmin()
-            || $this->request->isEeAjax()
-            || $this->request->isFrontend()
-        ) {
-            $this->loader->getShared('EE_Session');
-        }
-        do_action('AHEE__EE_System__core_loaded_and_ready');
-        // load_espresso_template_tags
-        if (is_readable(EE_PUBLIC . 'template_tags.php')
-            && ($this->request->isFrontend()
-                || $this->request->isAdmin()
-                || $this->request->isIframe()
-                || $this->request->isFeed()
-            )
-        ) {
-            require_once EE_PUBLIC . 'template_tags.php';
-        }
-        do_action('AHEE__EE_System__set_hooks_for_shortcodes_modules_and_addons');
-    }
-
-
-    /**
-     * initialize
-     * this is the best place to begin initializing client code
-     *
-     * @access public
-     * @return void
-     */
-    public function initialize()
-    {
-        do_action('AHEE__EE_System__initialize');
-    }
-
-
-    /**
-     * initialize_last
-     * this is run really late during the WP init hook point, and ensures that mostly everything else that needs to
-     * initialize has done so
-     *
-     * @access public
-     * @return void
-     */
-    public function initialize_last()
-    {
-        do_action('AHEE__EE_System__initialize_last');
-        /** @var EventEspresso\core\domain\services\custom_post_types\RewriteRules $rewrite_rules */
-        $rewrite_rules = $this->loader->getShared(
-            'EventEspresso\core\domain\services\custom_post_types\RewriteRules'
-        );
-        $rewrite_rules->flushRewriteRules();
-        add_action('admin_bar_init', array($this, 'addEspressoToolbar'));
-        if (($this->request->isAjax() || $this->request->isAdmin())
-            && $this->maintenance_mode->models_can_query()) {
-            $this->loader->getShared('EventEspresso\core\services\privacy\export\PersonalDataExporterManager');
-            $this->loader->getShared('EventEspresso\core\services\privacy\erasure\PersonalDataEraserManager');
-        }
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     */
-    public function addEspressoToolbar()
-    {
-        $this->loader->getShared(
-            'EventEspresso\core\domain\services\admin\AdminToolBar',
-            array($this->registry->CAP)
-        );
-    }
-
-
-    /**
-     * do_not_cache
-     * sets no cache headers and defines no cache constants for WP plugins
-     *
-     * @access public
-     * @return void
-     */
-    public static function do_not_cache()
-    {
-        // set no cache constants
-        if (! defined('DONOTCACHEPAGE')) {
-            define('DONOTCACHEPAGE', true);
-        }
-        if (! defined('DONOTCACHCEOBJECT')) {
-            define('DONOTCACHCEOBJECT', true);
-        }
-        if (! defined('DONOTCACHEDB')) {
-            define('DONOTCACHEDB', true);
-        }
-        // add no cache headers
-        add_action('send_headers', array('EE_System', 'nocache_headers'), 10);
-        // plus a little extra for nginx and Google Chrome
-        add_filter('nocache_headers', array('EE_System', 'extra_nocache_headers'), 10, 1);
-        // prevent browsers from prefetching of the rel='next' link, because it may contain content that interferes with the registration process
-        remove_action('wp_head', 'adjacent_posts_rel_link_wp_head');
-    }
-
-
-    /**
-     *    extra_nocache_headers
-     *
-     * @access    public
-     * @param $headers
-     * @return    array
-     */
-    public static function extra_nocache_headers($headers)
-    {
-        // for NGINX
-        $headers['X-Accel-Expires'] = 0;
-        // plus extra for Google Chrome since it doesn't seem to respect "no-cache", but WILL respect "no-store"
-        $headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, max-age=0';
-        return $headers;
-    }
-
-
-    /**
-     *    nocache_headers
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function nocache_headers()
-    {
-        nocache_headers();
-    }
-
-
-    /**
-     * simply hooks into "wp_list_pages_exclude" filter (for wp_list_pages method) and makes sure EE critical pages are
-     * never returned with the function.
-     *
-     * @param  array $exclude_array any existing pages being excluded are in this array.
-     * @return array
-     */
-    public function remove_pages_from_wp_list_pages($exclude_array)
-    {
-        return array_merge($exclude_array, $this->registry->CFG->core->get_critical_pages_array());
-    }
+	/**
+	 * indicates this is a 'normal' request. Ie, not activation, nor upgrade, nor activation.
+	 * So examples of this would be a normal GET request on the frontend or backend, or a POST, etc
+	 */
+	const req_type_normal = 0;
+
+	/**
+	 * Indicates this is a brand new installation of EE so we should install
+	 * tables and default data etc
+	 */
+	const req_type_new_activation = 1;
+
+	/**
+	 * we've detected that EE has been reactivated (or EE was activated during maintenance mode,
+	 * and we just exited maintenance mode). We MUST check the database is setup properly
+	 * and that default data is setup too
+	 */
+	const req_type_reactivation = 2;
+
+	/**
+	 * indicates that EE has been upgraded since its previous request.
+	 * We may have data migration scripts to call and will want to trigger maintenance mode
+	 */
+	const req_type_upgrade = 3;
+
+	/**
+	 * TODO  will detect that EE has been DOWNGRADED. We probably don't want to run in this case...
+	 */
+	const req_type_downgrade = 4;
+
+	/**
+	 * @deprecated since version 4.6.0.dev.006
+	 * Now whenever a new_activation is detected the request type is still just
+	 * new_activation (same for reactivation, upgrade, downgrade etc), but if we'r ein maintenance mode
+	 * EE_System::initialize_db_if_no_migrations_required and EE_Addon::initialize_db_if_no_migrations_required
+	 * will instead enqueue that EE plugin's db initialization for when we're taken out of maintenance mode.
+	 * (Specifically, when the migration manager indicates migrations are finished
+	 * EE_Data_Migration_Manager::initialize_db_for_enqueued_ee_plugins() will be called)
+	 */
+	const req_type_activation_but_not_installed = 5;
+
+	/**
+	 * option prefix for recording the activation history (like core's "espresso_db_update") of addons
+	 */
+	const addon_activation_history_option_prefix = 'ee_addon_activation_history_';
+
+	/**
+	 * @var EE_System $_instance
+	 */
+	private static $_instance;
+
+	/**
+	 * @var EE_Registry $registry
+	 */
+	private $registry;
+
+	/**
+	 * @var LoaderInterface $loader
+	 */
+	private $loader;
+
+	/**
+	 * @var EE_Capabilities $capabilities
+	 */
+	private $capabilities;
+
+	/**
+	 * @var RequestInterface $request
+	 */
+	private $request;
+
+	/**
+	 * @var EE_Maintenance_Mode $maintenance_mode
+	 */
+	private $maintenance_mode;
+
+	/**
+	 * Stores which type of request this is, options being one of the constants on EE_System starting with req_type_*.
+	 * It can be a brand-new activation, a reactivation, an upgrade, a downgrade, or a normal request.
+	 *
+	 * @var int $_req_type
+	 */
+	private $_req_type;
+
+	/**
+	 * Whether or not there was a non-micro version change in EE core version during this request
+	 *
+	 * @var boolean $_major_version_change
+	 */
+	private $_major_version_change = false;
+
+	/**
+	 * A Context DTO dedicated solely to identifying the current request type.
+	 *
+	 * @var RequestTypeContextCheckerInterface $request_type
+	 */
+	private $request_type;
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @param EE_Registry|null         $registry
+	 * @param LoaderInterface|null     $loader
+	 * @param RequestInterface|null    $request
+	 * @param EE_Maintenance_Mode|null $maintenance_mode
+	 * @return EE_System
+	 */
+	public static function instance(
+		EE_Registry $registry = null,
+		LoaderInterface $loader = null,
+		RequestInterface $request = null,
+		EE_Maintenance_Mode $maintenance_mode = null
+	) {
+		// check if class object is instantiated
+		if (! self::$_instance instanceof EE_System) {
+			self::$_instance = new self($registry, $loader, $request, $maintenance_mode);
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * resets the instance and returns it
+	 *
+	 * @return EE_System
+	 */
+	public static function reset()
+	{
+		self::$_instance->_req_type = null;
+		// make sure none of the old hooks are left hanging around
+		remove_all_actions('AHEE__EE_System__perform_activations_upgrades_and_migrations');
+		// we need to reset the migration manager in order for it to detect DMSs properly
+		EE_Data_Migration_Manager::reset();
+		self::instance()->detect_activations_or_upgrades();
+		self::instance()->perform_activations_upgrades_and_migrations();
+		return self::instance();
+	}
+
+
+	/**
+	 * sets hooks for running rest of system
+	 * provides "AHEE__EE_System__construct__complete" hook for EE Addons to use as their starting point
+	 * starting EE Addons from any other point may lead to problems
+	 *
+	 * @param EE_Registry         $registry
+	 * @param LoaderInterface     $loader
+	 * @param RequestInterface    $request
+	 * @param EE_Maintenance_Mode $maintenance_mode
+	 */
+	private function __construct(
+		EE_Registry $registry,
+		LoaderInterface $loader,
+		RequestInterface $request,
+		EE_Maintenance_Mode $maintenance_mode
+	) {
+		$this->registry = $registry;
+		$this->loader = $loader;
+		$this->request = $request;
+		$this->maintenance_mode = $maintenance_mode;
+		do_action('AHEE__EE_System__construct__begin', $this);
+		add_action(
+			'AHEE__EE_Bootstrap__load_espresso_addons',
+			array($this, 'loadCapabilities'),
+			5
+		);
+		add_action(
+			'AHEE__EE_Bootstrap__load_espresso_addons',
+			array($this, 'loadCommandBus'),
+			7
+		);
+		add_action(
+			'AHEE__EE_Bootstrap__load_espresso_addons',
+			array($this, 'loadPluginApi'),
+			9
+		);
+		// allow addons to load first so that they can register autoloaders, set hooks for running DMS's, etc
+		add_action(
+			'AHEE__EE_Bootstrap__load_espresso_addons',
+			array($this, 'load_espresso_addons')
+		);
+		// when an ee addon is activated, we want to call the core hook(s) again
+		// because the newly-activated addon didn't get a chance to run at all
+		add_action('activate_plugin', array($this, 'load_espresso_addons'), 1);
+		// detect whether install or upgrade
+		add_action(
+			'AHEE__EE_Bootstrap__detect_activations_or_upgrades',
+			array($this, 'detect_activations_or_upgrades'),
+			3
+		);
+		// load EE_Config, EE_Textdomain, etc
+		add_action(
+			'AHEE__EE_Bootstrap__load_core_configuration',
+			array($this, 'load_core_configuration'),
+			5
+		);
+		// load EE_Config, EE_Textdomain, etc
+		add_action(
+			'AHEE__EE_Bootstrap__register_shortcodes_modules_and_widgets',
+			array($this, 'register_shortcodes_modules_and_widgets'),
+			7
+		);
+		// you wanna get going? I wanna get going... let's get going!
+		add_action(
+			'AHEE__EE_Bootstrap__brew_espresso',
+			array($this, 'brew_espresso'),
+			9
+		);
+		// other housekeeping
+		// exclude EE critical pages from wp_list_pages
+		add_filter(
+			'wp_list_pages_excludes',
+			array($this, 'remove_pages_from_wp_list_pages'),
+			10
+		);
+		// ALL EE Addons should use the following hook point to attach their initial setup too
+		// it's extremely important for EE Addons to register any class autoloaders so that they can be available when the EE_Config loads
+		do_action('AHEE__EE_System__construct__complete', $this);
+	}
+
+
+	/**
+	 * load and setup EE_Capabilities
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function loadCapabilities()
+	{
+		$this->capabilities = $this->loader->getShared('EE_Capabilities');
+		add_action(
+			'AHEE__EE_Capabilities__init_caps__before_initialization',
+			function () {
+				LoaderFactory::getLoader()->getShared('EE_Payment_Method_Manager');
+			}
+		);
+	}
+
+
+	/**
+	 * create and cache the CommandBus, and also add middleware
+	 * The CapChecker middleware requires the use of EE_Capabilities
+	 * which is why we need to load the CommandBus after Caps are set up
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function loadCommandBus()
+	{
+		$this->loader->getShared(
+			'CommandBusInterface',
+			array(
+				null,
+				apply_filters(
+					'FHEE__EE_Load_Espresso_Core__handle_request__CommandBus_middleware',
+					array(
+						$this->loader->getShared('EventEspresso\core\services\commands\middleware\CapChecker'),
+						$this->loader->getShared('EventEspresso\core\services\commands\middleware\AddActionHook'),
+					)
+				),
+			)
+		);
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function loadPluginApi()
+	{
+		// set autoloaders for all of the classes implementing EEI_Plugin_API
+		// which provide helpers for EE plugin authors to more easily register certain components with EE.
+		EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'plugin_api');
+		$this->loader->getShared('EE_Request_Handler');
+	}
+
+
+	/**
+	 * @param string $addon_name
+	 * @param string $version_constant
+	 * @param string $min_version_required
+	 * @param string $load_callback
+	 * @param string $plugin_file_constant
+	 * @return void
+	 */
+	private function deactivateIncompatibleAddon(
+		$addon_name,
+		$version_constant,
+		$min_version_required,
+		$load_callback,
+		$plugin_file_constant
+	) {
+		if (! defined($version_constant)) {
+			return;
+		}
+		$addon_version = constant($version_constant);
+		if ($addon_version && version_compare($addon_version, $min_version_required, '<')) {
+			remove_action('AHEE__EE_System__load_espresso_addons', $load_callback);
+			if (! function_exists('deactivate_plugins')) {
+				require_once ABSPATH . 'wp-admin/includes/plugin.php';
+			}
+			deactivate_plugins(plugin_basename(constant($plugin_file_constant)));
+			unset($_GET['activate'], $_REQUEST['activate'], $_GET['activate-multi'], $_REQUEST['activate-multi']);
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						'We\'re sorry, but the Event Espresso %1$s addon was deactivated because version %2$s or higher is required with this version of Event Espresso core.',
+						'event_espresso'
+					),
+					$addon_name,
+					$min_version_required
+				),
+				__FILE__,
+				__FUNCTION__ . "({$addon_name})",
+				__LINE__
+			);
+			EE_Error::get_notices(false, true);
+		}
+	}
+
+
+	/**
+	 * load_espresso_addons
+	 * allow addons to load first so that they can set hooks for running DMS's, etc
+	 * this is hooked into both:
+	 *    'AHEE__EE_Bootstrap__load_core_configuration'
+	 *        which runs during the WP 'plugins_loaded' action at priority 5
+	 *    and the WP 'activate_plugin' hook point
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function load_espresso_addons()
+	{
+		$this->deactivateIncompatibleAddon(
+			'Wait Lists',
+			'EE_WAIT_LISTS_VERSION',
+			'1.0.0.beta.074',
+			'load_espresso_wait_lists',
+			'EE_WAIT_LISTS_PLUGIN_FILE'
+		);
+		$this->deactivateIncompatibleAddon(
+			'Automated Upcoming Event Notifications',
+			'EE_AUTOMATED_UPCOMING_EVENT_NOTIFICATION_VERSION',
+			'1.0.0.beta.091',
+			'load_espresso_automated_upcoming_event_notification',
+			'EE_AUTOMATED_UPCOMING_EVENT_NOTIFICATION_PLUGIN_FILE'
+		);
+		do_action('AHEE__EE_System__load_espresso_addons');
+		// if the WP API basic auth plugin isn't already loaded, load it now.
+		// We want it for mobile apps. Just include the entire plugin
+		// also, don't load the basic auth when a plugin is getting activated, because
+		// it could be the basic auth plugin, and it doesn't check if its methods are already defined
+		// and causes a fatal error
+		if ($this->request->getRequestParam('activate') !== 'true'
+			&& ! function_exists('json_basic_auth_handler')
+			&& ! function_exists('json_basic_auth_error')
+			&& ! in_array(
+				$this->request->getRequestParam('action'),
+				array('activate', 'activate-selected'),
+				true
+			)
+		) {
+			include_once EE_THIRD_PARTY . 'wp-api-basic-auth' . DS . 'basic-auth.php';
+		}
+		do_action('AHEE__EE_System__load_espresso_addons__complete');
+	}
+
+
+	/**
+	 * detect_activations_or_upgrades
+	 * Checks for activation or upgrade of core first;
+	 * then also checks if any registered addons have been activated or upgraded
+	 * This is hooked into 'AHEE__EE_Bootstrap__detect_activations_or_upgrades'
+	 * which runs during the WP 'plugins_loaded' action at priority 3
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function detect_activations_or_upgrades()
+	{
+		// first off: let's make sure to handle core
+		$this->detect_if_activation_or_upgrade();
+		foreach ($this->registry->addons as $addon) {
+			if ($addon instanceof EE_Addon) {
+				// detect teh request type for that addon
+				$addon->detect_activation_or_upgrade();
+			}
+		}
+	}
+
+
+	/**
+	 * detect_if_activation_or_upgrade
+	 * Takes care of detecting whether this is a brand new install or code upgrade,
+	 * and either setting up the DB or setting up maintenance mode etc.
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function detect_if_activation_or_upgrade()
+	{
+		do_action('AHEE__EE_System___detect_if_activation_or_upgrade__begin');
+		// check if db has been updated, or if its a brand-new installation
+		$espresso_db_update = $this->fix_espresso_db_upgrade_option();
+		$request_type = $this->detect_req_type($espresso_db_update);
+		// EEH_Debug_Tools::printr( $request_type, '$request_type', __FILE__, __LINE__ );
+		switch ($request_type) {
+			case EE_System::req_type_new_activation:
+				do_action('AHEE__EE_System__detect_if_activation_or_upgrade__new_activation');
+				$this->_handle_core_version_change($espresso_db_update);
+				break;
+			case EE_System::req_type_reactivation:
+				do_action('AHEE__EE_System__detect_if_activation_or_upgrade__reactivation');
+				$this->_handle_core_version_change($espresso_db_update);
+				break;
+			case EE_System::req_type_upgrade:
+				do_action('AHEE__EE_System__detect_if_activation_or_upgrade__upgrade');
+				// migrations may be required now that we've upgraded
+				$this->maintenance_mode->set_maintenance_mode_if_db_old();
+				$this->_handle_core_version_change($espresso_db_update);
+				break;
+			case EE_System::req_type_downgrade:
+				do_action('AHEE__EE_System__detect_if_activation_or_upgrade__downgrade');
+				// its possible migrations are no longer required
+				$this->maintenance_mode->set_maintenance_mode_if_db_old();
+				$this->_handle_core_version_change($espresso_db_update);
+				break;
+			case EE_System::req_type_normal:
+			default:
+				break;
+		}
+		do_action('AHEE__EE_System__detect_if_activation_or_upgrade__complete');
+	}
+
+
+	/**
+	 * Updates the list of installed versions and sets hooks for
+	 * initializing the database later during the request
+	 *
+	 * @param array $espresso_db_update
+	 */
+	private function _handle_core_version_change($espresso_db_update)
+	{
+		$this->update_list_of_installed_versions($espresso_db_update);
+		// get ready to verify the DB is ok (provided we aren't in maintenance mode, of course)
+		add_action(
+			'AHEE__EE_System__perform_activations_upgrades_and_migrations',
+			array($this, 'initialize_db_if_no_migrations_required')
+		);
+	}
+
+
+	/**
+	 * standardizes the wp option 'espresso_db_upgrade' which actually stores
+	 * information about what versions of EE have been installed and activated,
+	 * NOT necessarily the state of the database
+	 *
+	 * @param mixed $espresso_db_update           the value of the WordPress option.
+	 *                                            If not supplied, fetches it from the options table
+	 * @return array the correct value of 'espresso_db_upgrade', after saving it, if it needed correction
+	 */
+	private function fix_espresso_db_upgrade_option($espresso_db_update = null)
+	{
+		do_action('FHEE__EE_System__manage_fix_espresso_db_upgrade_option__begin', $espresso_db_update);
+		if (! $espresso_db_update) {
+			$espresso_db_update = get_option('espresso_db_update');
+		}
+		// check that option is an array
+		if (! is_array($espresso_db_update)) {
+			// if option is FALSE, then it never existed
+			if ($espresso_db_update === false) {
+				// make $espresso_db_update an array and save option with autoload OFF
+				$espresso_db_update = array();
+				add_option('espresso_db_update', $espresso_db_update, '', 'no');
+			} else {
+				// option is NOT FALSE but also is NOT an array, so make it an array and save it
+				$espresso_db_update = array($espresso_db_update => array());
+				update_option('espresso_db_update', $espresso_db_update);
+			}
+		} else {
+			$corrected_db_update = array();
+			// if IS an array, but is it an array where KEYS are version numbers, and values are arrays?
+			foreach ($espresso_db_update as $should_be_version_string => $should_be_array) {
+				if (is_int($should_be_version_string) && ! is_array($should_be_array)) {
+					// the key is an int, and the value IS NOT an array
+					// so it must be numerically-indexed, where values are versions installed...
+					// fix it!
+					$version_string = $should_be_array;
+					$corrected_db_update[ $version_string ] = array('unknown-date');
+				} else {
+					// ok it checks out
+					$corrected_db_update[ $should_be_version_string ] = $should_be_array;
+				}
+			}
+			$espresso_db_update = $corrected_db_update;
+			update_option('espresso_db_update', $espresso_db_update);
+		}
+		do_action('FHEE__EE_System__manage_fix_espresso_db_upgrade_option__complete', $espresso_db_update);
+		return $espresso_db_update;
+	}
+
+
+	/**
+	 * Does the traditional work of setting up the plugin's database and adding default data.
+	 * If migration script/process did not exist, this is what would happen on every activation/reactivation/upgrade.
+	 * NOTE: if we're in maintenance mode (which would be the case if we detect there are data
+	 * migration scripts that need to be run and a version change happens), enqueues core for database initialization,
+	 * so that it will be done when migrations are finished
+	 *
+	 * @param boolean $initialize_addons_too if true, we double-check addons' database tables etc too;
+	 * @param boolean $verify_schema         if true will re-check the database tables have the correct schema.
+	 *                                       This is a resource-intensive job
+	 *                                       so we prefer to only do it when necessary
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function initialize_db_if_no_migrations_required($initialize_addons_too = false, $verify_schema = true)
+	{
+		$request_type = $this->detect_req_type();
+		// only initialize system if we're not in maintenance mode.
+		if ($this->maintenance_mode->level() !== EE_Maintenance_Mode::level_2_complete_maintenance) {
+			/** @var EventEspresso\core\domain\services\custom_post_types\RewriteRules $rewrite_rules */
+			$rewrite_rules = $this->loader->getShared(
+				'EventEspresso\core\domain\services\custom_post_types\RewriteRules'
+			);
+			$rewrite_rules->flush();
+			if ($verify_schema) {
+				EEH_Activation::initialize_db_and_folders();
+			}
+			EEH_Activation::initialize_db_content();
+			EEH_Activation::system_initialization();
+			if ($initialize_addons_too) {
+				$this->initialize_addons();
+			}
+		} else {
+			EE_Data_Migration_Manager::instance()->enqueue_db_initialization_for('Core');
+		}
+		if ($request_type === EE_System::req_type_new_activation
+			|| $request_type === EE_System::req_type_reactivation
+			|| (
+				$request_type === EE_System::req_type_upgrade
+				&& $this->is_major_version_change()
+			)
+		) {
+			add_action('AHEE__EE_System__initialize_last', array($this, 'redirect_to_about_ee'), 9);
+		}
+	}
+
+
+	/**
+	 * Initializes the db for all registered addons
+	 *
+	 * @throws EE_Error
+	 */
+	public function initialize_addons()
+	{
+		// foreach registered addon, make sure its db is up-to-date too
+		foreach ($this->registry->addons as $addon) {
+			if ($addon instanceof EE_Addon) {
+				$addon->initialize_db_if_no_migrations_required();
+			}
+		}
+	}
+
+
+	/**
+	 * Adds the current code version to the saved wp option which stores a list of all ee versions ever installed.
+	 *
+	 * @param    array  $version_history
+	 * @param    string $current_version_to_add version to be added to the version history
+	 * @return    boolean success as to whether or not this option was changed
+	 */
+	public function update_list_of_installed_versions($version_history = null, $current_version_to_add = null)
+	{
+		if (! $version_history) {
+			$version_history = $this->fix_espresso_db_upgrade_option($version_history);
+		}
+		if ($current_version_to_add === null) {
+			$current_version_to_add = espresso_version();
+		}
+		$version_history[ $current_version_to_add ][] = date('Y-m-d H:i:s', time());
+		// re-save
+		return update_option('espresso_db_update', $version_history);
+	}
+
+
+	/**
+	 * Detects if the current version indicated in the has existed in the list of
+	 * previously-installed versions of EE (espresso_db_update). Does NOT modify it (ie, no side-effect)
+	 *
+	 * @param array $espresso_db_update array from the wp option stored under the name 'espresso_db_update'.
+	 *                                  If not supplied, fetches it from the options table.
+	 *                                  Also, caches its result so later parts of the code can also know whether
+	 *                                  there's been an update or not. This way we can add the current version to
+	 *                                  espresso_db_update, but still know if this is a new install or not
+	 * @return int one of the constants on EE_System::req_type_
+	 */
+	public function detect_req_type($espresso_db_update = null)
+	{
+		if ($this->_req_type === null) {
+			$espresso_db_update = ! empty($espresso_db_update)
+				? $espresso_db_update
+				: $this->fix_espresso_db_upgrade_option();
+			$this->_req_type = EE_System::detect_req_type_given_activation_history(
+				$espresso_db_update,
+				'ee_espresso_activation',
+				espresso_version()
+			);
+			$this->_major_version_change = $this->_detect_major_version_change($espresso_db_update);
+			$this->request->setIsActivation($this->_req_type !== EE_System::req_type_normal);
+		}
+		return $this->_req_type;
+	}
+
+
+	/**
+	 * Returns whether or not there was a non-micro version change (ie, change in either
+	 * the first or second number in the version. Eg 4.9.0.rc.001 to 4.10.0.rc.000,
+	 * but not 4.9.0.rc.0001 to 4.9.1.rc.0001
+	 *
+	 * @param $activation_history
+	 * @return bool
+	 */
+	private function _detect_major_version_change($activation_history)
+	{
+		$previous_version = EE_System::_get_most_recently_active_version_from_activation_history($activation_history);
+		$previous_version_parts = explode('.', $previous_version);
+		$current_version_parts = explode('.', espresso_version());
+		return isset($previous_version_parts[0], $previous_version_parts[1], $current_version_parts[0], $current_version_parts[1])
+			   && ($previous_version_parts[0] !== $current_version_parts[0]
+				   || $previous_version_parts[1] !== $current_version_parts[1]
+			   );
+	}
+
+
+	/**
+	 * Returns true if either the major or minor version of EE changed during this request.
+	 * Eg 4.9.0.rc.001 to 4.10.0.rc.000, but not 4.9.0.rc.0001 to 4.9.1.rc.0001
+	 *
+	 * @return bool
+	 */
+	public function is_major_version_change()
+	{
+		return $this->_major_version_change;
+	}
+
+
+	/**
+	 * Determines the request type for any ee addon, given three piece of info: the current array of activation
+	 * histories (for core that' 'espresso_db_update' wp option); the name of the WordPress option which is temporarily
+	 * set upon activation of the plugin (for core it's 'ee_espresso_activation'); and the version that this plugin was
+	 * just activated to (for core that will always be espresso_version())
+	 *
+	 * @param array  $activation_history_for_addon     the option's value which stores the activation history for this
+	 *                                                 ee plugin. for core that's 'espresso_db_update'
+	 * @param string $activation_indicator_option_name the name of the WordPress option that is temporarily set to
+	 *                                                 indicate that this plugin was just activated
+	 * @param string $version_to_upgrade_to            the version that was just upgraded to (for core that will be
+	 *                                                 espresso_version())
+	 * @return int one of the constants on EE_System::req_type_*
+	 */
+	public static function detect_req_type_given_activation_history(
+		$activation_history_for_addon,
+		$activation_indicator_option_name,
+		$version_to_upgrade_to
+	) {
+		$version_is_higher = self::_new_version_is_higher($activation_history_for_addon, $version_to_upgrade_to);
+		if ($activation_history_for_addon) {
+			// it exists, so this isn't a completely new install
+			// check if this version already in that list of previously installed versions
+			if (! isset($activation_history_for_addon[ $version_to_upgrade_to ])) {
+				// it a version we haven't seen before
+				if ($version_is_higher === 1) {
+					$req_type = EE_System::req_type_upgrade;
+				} else {
+					$req_type = EE_System::req_type_downgrade;
+				}
+				delete_option($activation_indicator_option_name);
+			} else {
+				// its not an update. maybe a reactivation?
+				if (get_option($activation_indicator_option_name, false)) {
+					if ($version_is_higher === -1) {
+						$req_type = EE_System::req_type_downgrade;
+					} elseif ($version_is_higher === 0) {
+						// we've seen this version before, but it's an activation. must be a reactivation
+						$req_type = EE_System::req_type_reactivation;
+					} else {// $version_is_higher === 1
+						$req_type = EE_System::req_type_upgrade;
+					}
+					delete_option($activation_indicator_option_name);
+				} else {
+					// we've seen this version before and the activation indicate doesn't show it was just activated
+					if ($version_is_higher === -1) {
+						$req_type = EE_System::req_type_downgrade;
+					} elseif ($version_is_higher === 0) {
+						// we've seen this version before and it's not an activation. its normal request
+						$req_type = EE_System::req_type_normal;
+					} else {// $version_is_higher === 1
+						$req_type = EE_System::req_type_upgrade;
+					}
+				}
+			}
+		} else {
+			// brand new install
+			$req_type = EE_System::req_type_new_activation;
+			delete_option($activation_indicator_option_name);
+		}
+		return $req_type;
+	}
+
+
+	/**
+	 * Detects if the $version_to_upgrade_to is higher than the most recent version in
+	 * the $activation_history_for_addon
+	 *
+	 * @param array  $activation_history_for_addon (keys are versions, values are arrays of times activated,
+	 *                                             sometimes containing 'unknown-date'
+	 * @param string $version_to_upgrade_to        (current version)
+	 * @return int results of version_compare( $version_to_upgrade_to, $most_recently_active_version ).
+	 *                                             ie, -1 if $version_to_upgrade_to is LOWER (downgrade);
+	 *                                             0 if $version_to_upgrade_to MATCHES (reactivation or normal request);
+	 *                                             1 if $version_to_upgrade_to is HIGHER (upgrade) ;
+	 */
+	private static function _new_version_is_higher($activation_history_for_addon, $version_to_upgrade_to)
+	{
+		// find the most recently-activated version
+		$most_recently_active_version =
+			EE_System::_get_most_recently_active_version_from_activation_history($activation_history_for_addon);
+		return version_compare($version_to_upgrade_to, $most_recently_active_version);
+	}
+
+
+	/**
+	 * Gets the most recently active version listed in the activation history,
+	 * and if none are found (ie, it's a brand new install) returns '0.0.0.dev.000'.
+	 *
+	 * @param array $activation_history  (keys are versions, values are arrays of times activated,
+	 *                                   sometimes containing 'unknown-date'
+	 * @return string
+	 */
+	private static function _get_most_recently_active_version_from_activation_history($activation_history)
+	{
+		$most_recently_active_version_activation = '1970-01-01 00:00:00';
+		$most_recently_active_version = '0.0.0.dev.000';
+		if (is_array($activation_history)) {
+			foreach ($activation_history as $version => $times_activated) {
+				// check there is a record of when this version was activated. Otherwise,
+				// mark it as unknown
+				if (! $times_activated) {
+					$times_activated = array('unknown-date');
+				}
+				if (is_string($times_activated)) {
+					$times_activated = array($times_activated);
+				}
+				foreach ($times_activated as $an_activation) {
+					if ($an_activation !== 'unknown-date'
+						&& $an_activation
+						   > $most_recently_active_version_activation) {
+						$most_recently_active_version = $version;
+						$most_recently_active_version_activation = $an_activation === 'unknown-date'
+							? '1970-01-01 00:00:00'
+							: $an_activation;
+					}
+				}
+			}
+		}
+		return $most_recently_active_version;
+	}
+
+
+	/**
+	 * This redirects to the about EE page after activation
+	 *
+	 * @return void
+	 */
+	public function redirect_to_about_ee()
+	{
+		$notices = EE_Error::get_notices(false);
+		// if current user is an admin and it's not an ajax or rest request
+		if (! isset($notices['errors'])
+			&& $this->request->isAdmin()
+			&& apply_filters(
+				'FHEE__EE_System__redirect_to_about_ee__do_redirect',
+				$this->capabilities->current_user_can('manage_options', 'espresso_about_default')
+			)
+		) {
+			$query_params = array('page' => 'espresso_about');
+			if (EE_System::instance()->detect_req_type() === EE_System::req_type_new_activation) {
+				$query_params['new_activation'] = true;
+			}
+			if (EE_System::instance()->detect_req_type() === EE_System::req_type_reactivation) {
+				$query_params['reactivation'] = true;
+			}
+			$url = add_query_arg($query_params, admin_url('admin.php'));
+			wp_safe_redirect($url);
+			exit();
+		}
+	}
+
+
+	/**
+	 * load_core_configuration
+	 * this is hooked into 'AHEE__EE_Bootstrap__load_core_configuration'
+	 * which runs during the WP 'plugins_loaded' action at priority 5
+	 *
+	 * @return void
+	 * @throws ReflectionException
+	 */
+	public function load_core_configuration()
+	{
+		do_action('AHEE__EE_System__load_core_configuration__begin', $this);
+		$this->loader->getShared('EE_Load_Textdomain');
+		// load textdomain
+		EE_Load_Textdomain::load_textdomain();
+		// load and setup EE_Config and EE_Network_Config
+		$config = $this->loader->getShared('EE_Config');
+		$this->loader->getShared('EE_Network_Config');
+		// setup autoloaders
+		// enable logging?
+		if ($config->admin->use_full_logging) {
+			$this->loader->getShared('EE_Log');
+		}
+		// check for activation errors
+		$activation_errors = get_option('ee_plugin_activation_errors', false);
+		if ($activation_errors) {
+			EE_Error::add_error($activation_errors, __FILE__, __FUNCTION__, __LINE__);
+			update_option('ee_plugin_activation_errors', false);
+		}
+		// get model names
+		$this->_parse_model_names();
+		// load caf stuff a chance to play during the activation process too.
+		$this->_maybe_brew_regular();
+		// configure custom post type definitions
+		$this->loader->getShared('EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions');
+		$this->loader->getShared('EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions');
+		do_action('AHEE__EE_System__load_core_configuration__complete', $this);
+	}
+
+
+	/**
+	 * cycles through all of the models/*.model.php files, and assembles an array of model names
+	 *
+	 * @return void
+	 * @throws ReflectionException
+	 */
+	private function _parse_model_names()
+	{
+		// get all the files in the EE_MODELS folder that end in .model.php
+		$models = glob(EE_MODELS . '*.model.php');
+		$model_names = array();
+		$non_abstract_db_models = array();
+		foreach ($models as $model) {
+			// get model classname
+			$classname = EEH_File::get_classname_from_filepath_with_standard_filename($model);
+			$short_name = str_replace('EEM_', '', $classname);
+			$reflectionClass = new ReflectionClass($classname);
+			if ($reflectionClass->isSubclassOf('EEM_Base') && ! $reflectionClass->isAbstract()) {
+				$non_abstract_db_models[ $short_name ] = $classname;
+			}
+			$model_names[ $short_name ] = $classname;
+		}
+		$this->registry->models = apply_filters('FHEE__EE_System__parse_model_names', $model_names);
+		$this->registry->non_abstract_db_models = apply_filters(
+			'FHEE__EE_System__parse_implemented_model_names',
+			$non_abstract_db_models
+		);
+	}
+
+
+	/**
+	 * The purpose of this method is to simply check for a file named "caffeinated/brewing_regular.php" for any hooks
+	 * that need to be setup before our EE_System launches.
+	 *
+	 * @return void
+	 * @throws DomainException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidClassException
+	 * @throws InvalidFilePathException
+	 */
+	private function _maybe_brew_regular()
+	{
+		/** @var Domain $domain */
+		$domain = DomainFactory::getShared(
+			new FullyQualifiedName(
+				'EventEspresso\core\domain\Domain'
+			),
+			array(
+				new FilePath(EVENT_ESPRESSO_MAIN_FILE),
+				Version::fromString(espresso_version()),
+			)
+		);
+		if ($domain->isCaffeinated()) {
+			require_once EE_CAFF_PATH . 'brewing_regular.php';
+		}
+	}
+
+
+	/**
+	 * register_shortcodes_modules_and_widgets
+	 * generate lists of shortcodes and modules, then verify paths and classes
+	 * This is hooked into 'AHEE__EE_Bootstrap__register_shortcodes_modules_and_widgets'
+	 * which runs during the WP 'plugins_loaded' action at priority 7
+	 *
+	 * @access public
+	 * @return void
+	 * @throws Exception
+	 */
+	public function register_shortcodes_modules_and_widgets()
+	{
+		try {
+			// load, register, and add shortcodes the new way
+			if ($this->request->isFrontend() || $this->request->isIframe()) {
+				$this->loader->getShared(
+					'EventEspresso\core\services\shortcodes\ShortcodesManager',
+					array(
+						// and the old way, but we'll put it under control of the new system
+						EE_Config::getLegacyShortcodesManager(),
+					)
+				);
+			}
+		} catch (Exception $exception) {
+			new ExceptionStackTraceDisplay($exception);
+		}
+		do_action('AHEE__EE_System__register_shortcodes_modules_and_widgets');
+		// check for addons using old hook point
+		if (has_action('AHEE__EE_System__register_shortcodes_modules_and_addons')) {
+			$this->_incompatible_addon_error();
+		}
+	}
+
+
+	/**
+	 * _incompatible_addon_error
+	 *
+	 * @access public
+	 * @return void
+	 */
+	private function _incompatible_addon_error()
+	{
+		// get array of classes hooking into here
+		$class_names = EEH_Class_Tools::get_class_names_for_all_callbacks_on_hook(
+			'AHEE__EE_System__register_shortcodes_modules_and_addons'
+		);
+		if (! empty($class_names)) {
+			$msg = __(
+				'The following plugins, addons, or modules appear to be incompatible with this version of Event Espresso and were automatically deactivated to avoid fatal errors:',
+				'event_espresso'
+			);
+			$msg .= '<ul>';
+			foreach ($class_names as $class_name) {
+				$msg .= '<li><b>Event Espresso - '
+						. str_replace(
+							array('EE_', 'EEM_', 'EED_', 'EES_', 'EEW_'),
+							'',
+							$class_name
+						) . '</b></li>';
+			}
+			$msg .= '</ul>';
+			$msg .= __(
+				'Compatibility issues can be avoided and/or resolved by keeping addons and plugins updated to the latest version.',
+				'event_espresso'
+			);
+			// save list of incompatible addons to wp-options for later use
+			add_option('ee_incompatible_addons', $class_names, '', 'no');
+			if (is_admin()) {
+				EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
+			}
+		}
+	}
+
+
+	/**
+	 * brew_espresso
+	 * begins the process of setting hooks for initializing EE in the correct order
+	 * This is happening on the 'AHEE__EE_Bootstrap__brew_espresso' hook point
+	 * which runs during the WP 'plugins_loaded' action at priority 9
+	 *
+	 * @return void
+	 */
+	public function brew_espresso()
+	{
+		do_action('AHEE__EE_System__brew_espresso__begin', $this);
+		// load some final core systems
+		add_action('init', array($this, 'set_hooks_for_core'), 1);
+		add_action('init', array($this, 'perform_activations_upgrades_and_migrations'), 3);
+		add_action('init', array($this, 'load_CPTs_and_session'), 5);
+		add_action('init', array($this, 'load_controllers'), 7);
+		add_action('init', array($this, 'core_loaded_and_ready'), 9);
+		add_action('init', array($this, 'initialize'), 10);
+		add_action('init', array($this, 'initialize_last'), 100);
+		if (is_admin() && apply_filters('FHEE__EE_System__brew_espresso__load_pue', true)) {
+			// pew pew pew
+			$this->loader->getShared('EventEspresso\core\services\licensing\LicenseService');
+			do_action('AHEE__EE_System__brew_espresso__after_pue_init');
+		}
+		do_action('AHEE__EE_System__brew_espresso__complete', $this);
+	}
+
+
+	/**
+	 *    set_hooks_for_core
+	 *
+	 * @access public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public function set_hooks_for_core()
+	{
+		$this->_deactivate_incompatible_addons();
+		do_action('AHEE__EE_System__set_hooks_for_core');
+		$this->loader->getShared('EventEspresso\core\domain\values\session\SessionLifespan');
+		// caps need to be initialized on every request so that capability maps are set.
+		// @see https://events.codebasehq.com/projects/event-espresso/tickets/8674
+		$this->registry->CAP->init_caps();
+	}
+
+
+	/**
+	 * Using the information gathered in EE_System::_incompatible_addon_error,
+	 * deactivates any addons considered incompatible with the current version of EE
+	 */
+	private function _deactivate_incompatible_addons()
+	{
+		$incompatible_addons = get_option('ee_incompatible_addons', array());
+		if (! empty($incompatible_addons)) {
+			$active_plugins = get_option('active_plugins', array());
+			foreach ($active_plugins as $active_plugin) {
+				foreach ($incompatible_addons as $incompatible_addon) {
+					if (strpos($active_plugin, $incompatible_addon) !== false) {
+						unset($_GET['activate']);
+						espresso_deactivate_plugin($active_plugin);
+					}
+				}
+			}
+		}
+	}
+
+
+	/**
+	 *    perform_activations_upgrades_and_migrations
+	 *
+	 * @access public
+	 * @return    void
+	 */
+	public function perform_activations_upgrades_and_migrations()
+	{
+		do_action('AHEE__EE_System__perform_activations_upgrades_and_migrations');
+	}
+
+
+	/**
+	 * @return void
+	 * @throws DomainException
+	 */
+	public function load_CPTs_and_session()
+	{
+		do_action('AHEE__EE_System__load_CPTs_and_session__start');
+		/** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies $register_custom_taxonomies */
+		$register_custom_taxonomies = $this->loader->getShared(
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies'
+		);
+		$register_custom_taxonomies->registerCustomTaxonomies();
+		/** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes $register_custom_post_types */
+		$register_custom_post_types = $this->loader->getShared(
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes'
+		);
+		$register_custom_post_types->registerCustomPostTypes();
+		/** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomyTerms $register_custom_taxonomy_terms */
+		$register_custom_taxonomy_terms = $this->loader->getShared(
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomyTerms'
+		);
+		$register_custom_taxonomy_terms->registerCustomTaxonomyTerms();
+		// load legacy Custom Post Types and Taxonomies
+		$this->loader->getShared('EE_Register_CPTs');
+		do_action('AHEE__EE_System__load_CPTs_and_session__complete');
+	}
+
+
+	/**
+	 * load_controllers
+	 * this is the best place to load any additional controllers that needs access to EE core.
+	 * it is expected that all basic core EE systems, that are not dependant on the current request are loaded at this
+	 * time
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function load_controllers()
+	{
+		do_action('AHEE__EE_System__load_controllers__start');
+		// let's get it started
+		if (! $this->maintenance_mode->level()
+			&& ($this->request->isFrontend() || $this->request->isFrontAjax())
+		) {
+			do_action('AHEE__EE_System__load_controllers__load_front_controllers');
+			$this->loader->getShared('EE_Front_Controller');
+		} elseif ($this->request->isAdmin() || $this->request->isAdminAjax()) {
+			do_action('AHEE__EE_System__load_controllers__load_admin_controllers');
+			$this->loader->getShared('EE_Admin');
+		}
+		do_action('AHEE__EE_System__load_controllers__complete');
+	}
+
+
+	/**
+	 * core_loaded_and_ready
+	 * all of the basic EE core should be loaded at this point and available regardless of M-Mode
+	 *
+	 * @access public
+	 * @return void
+	 * @throws Exception
+	 */
+	public function core_loaded_and_ready()
+	{
+		if ($this->request->isAdmin() || $this->request->isFrontend() || $this->request->isIframe()) {
+			try {
+				$this->loader->getShared('EventEspresso\core\services\assets\Registry');
+				$this->loader->getShared('EventEspresso\core\domain\services\assets\CoreAssetManager');
+				if (function_exists('register_block_type')) {
+					$this->loader->getShared(
+						'EventEspresso\core\services\editor\BlockRegistrationManager'
+					);
+				}
+			} catch (Exception $exception) {
+				new ExceptionStackTraceDisplay($exception);
+			}
+		}
+		if ($this->request->isAdmin()
+			|| $this->request->isEeAjax()
+			|| $this->request->isFrontend()
+		) {
+			$this->loader->getShared('EE_Session');
+		}
+		do_action('AHEE__EE_System__core_loaded_and_ready');
+		// load_espresso_template_tags
+		if (is_readable(EE_PUBLIC . 'template_tags.php')
+			&& ($this->request->isFrontend()
+				|| $this->request->isAdmin()
+				|| $this->request->isIframe()
+				|| $this->request->isFeed()
+			)
+		) {
+			require_once EE_PUBLIC . 'template_tags.php';
+		}
+		do_action('AHEE__EE_System__set_hooks_for_shortcodes_modules_and_addons');
+	}
+
+
+	/**
+	 * initialize
+	 * this is the best place to begin initializing client code
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function initialize()
+	{
+		do_action('AHEE__EE_System__initialize');
+	}
+
+
+	/**
+	 * initialize_last
+	 * this is run really late during the WP init hook point, and ensures that mostly everything else that needs to
+	 * initialize has done so
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function initialize_last()
+	{
+		do_action('AHEE__EE_System__initialize_last');
+		/** @var EventEspresso\core\domain\services\custom_post_types\RewriteRules $rewrite_rules */
+		$rewrite_rules = $this->loader->getShared(
+			'EventEspresso\core\domain\services\custom_post_types\RewriteRules'
+		);
+		$rewrite_rules->flushRewriteRules();
+		add_action('admin_bar_init', array($this, 'addEspressoToolbar'));
+		if (($this->request->isAjax() || $this->request->isAdmin())
+			&& $this->maintenance_mode->models_can_query()) {
+			$this->loader->getShared('EventEspresso\core\services\privacy\export\PersonalDataExporterManager');
+			$this->loader->getShared('EventEspresso\core\services\privacy\erasure\PersonalDataEraserManager');
+		}
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function addEspressoToolbar()
+	{
+		$this->loader->getShared(
+			'EventEspresso\core\domain\services\admin\AdminToolBar',
+			array($this->registry->CAP)
+		);
+	}
+
+
+	/**
+	 * do_not_cache
+	 * sets no cache headers and defines no cache constants for WP plugins
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public static function do_not_cache()
+	{
+		// set no cache constants
+		if (! defined('DONOTCACHEPAGE')) {
+			define('DONOTCACHEPAGE', true);
+		}
+		if (! defined('DONOTCACHCEOBJECT')) {
+			define('DONOTCACHCEOBJECT', true);
+		}
+		if (! defined('DONOTCACHEDB')) {
+			define('DONOTCACHEDB', true);
+		}
+		// add no cache headers
+		add_action('send_headers', array('EE_System', 'nocache_headers'), 10);
+		// plus a little extra for nginx and Google Chrome
+		add_filter('nocache_headers', array('EE_System', 'extra_nocache_headers'), 10, 1);
+		// prevent browsers from prefetching of the rel='next' link, because it may contain content that interferes with the registration process
+		remove_action('wp_head', 'adjacent_posts_rel_link_wp_head');
+	}
+
+
+	/**
+	 *    extra_nocache_headers
+	 *
+	 * @access    public
+	 * @param $headers
+	 * @return    array
+	 */
+	public static function extra_nocache_headers($headers)
+	{
+		// for NGINX
+		$headers['X-Accel-Expires'] = 0;
+		// plus extra for Google Chrome since it doesn't seem to respect "no-cache", but WILL respect "no-store"
+		$headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, max-age=0';
+		return $headers;
+	}
+
+
+	/**
+	 *    nocache_headers
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function nocache_headers()
+	{
+		nocache_headers();
+	}
+
+
+	/**
+	 * simply hooks into "wp_list_pages_exclude" filter (for wp_list_pages method) and makes sure EE critical pages are
+	 * never returned with the function.
+	 *
+	 * @param  array $exclude_array any existing pages being excluded are in this array.
+	 * @return array
+	 */
+	public function remove_pages_from_wp_list_pages($exclude_array)
+	{
+		return array_merge($exclude_array, $this->registry->CFG->core->get_critical_pages_array());
+	}
 }

core/domain/entities/editor/blocks/widgets/EventAttendees.php

Indentation +112 added lines, -112 removed lines

@@ -18,127 +18,127 @@
 class EventAttendees extends Block
 {
 
-    const BLOCK_TYPE = 'widgets-event-attendees';
+	const BLOCK_TYPE = 'widgets-event-attendees';
 
-    /**
-     * @var EspressoEventAttendees $shortcode
-     */
-    protected $shortcode;
+	/**
+	 * @var EspressoEventAttendees $shortcode
+	 */
+	protected $shortcode;
 
 
-    /**
-     * EventAttendees constructor.
-     *
-     * @param CoreBlocksAssetManager $block_asset_manager
-     * @param EspressoEventAttendees $shortcode
-     */
-    public function __construct(CoreBlocksAssetManager $block_asset_manager, EspressoEventAttendees $shortcode)
-    {
-        parent::__construct($block_asset_manager);
-        $this->shortcode = $shortcode;
-    }
+	/**
+	 * EventAttendees constructor.
+	 *
+	 * @param CoreBlocksAssetManager $block_asset_manager
+	 * @param EspressoEventAttendees $shortcode
+	 */
+	public function __construct(CoreBlocksAssetManager $block_asset_manager, EspressoEventAttendees $shortcode)
+	{
+		parent::__construct($block_asset_manager);
+		$this->shortcode = $shortcode;
+	}
 
 
-    /**
-     * Perform any early setup required by the block
-     * including setting the block type and supported post types
-     *
-     * @return void
-     */
-    public function initialize()
-    {
-        $this->setBlockType(self::BLOCK_TYPE);
-        $this->setSupportedPostTypes(array('espresso_events', 'post', 'page'));
-        $this->setAttributes(
-            array(
-                'eventId'            => array(
-                    'type'    => 'number',
-                    'default' => 0,
-                ),
-                'datetimeId'         => array(
-                    'type'    => 'number',
-                    'default' => 0,
-                ),
-                'ticketId'           => array(
-                    'type'    => 'number',
-                    'default' => 0,
-                ),
-                'status'              => array(
-                    'type'    => 'string',
-                    'default' => EEM_Registration::status_id_approved,
-                ),
-                'showGravatar'       => array(
-                    'type'    => 'boolean',
-                    'default' => false,
-                ),
-                'displayOnArchives' => array(
-                    'type'    => 'boolean',
-                    'default' => false,
-                ),
-            )
-        );
-        $this->setDynamic();
-    }
+	/**
+	 * Perform any early setup required by the block
+	 * including setting the block type and supported post types
+	 *
+	 * @return void
+	 */
+	public function initialize()
+	{
+		$this->setBlockType(self::BLOCK_TYPE);
+		$this->setSupportedPostTypes(array('espresso_events', 'post', 'page'));
+		$this->setAttributes(
+			array(
+				'eventId'            => array(
+					'type'    => 'number',
+					'default' => 0,
+				),
+				'datetimeId'         => array(
+					'type'    => 'number',
+					'default' => 0,
+				),
+				'ticketId'           => array(
+					'type'    => 'number',
+					'default' => 0,
+				),
+				'status'              => array(
+					'type'    => 'string',
+					'default' => EEM_Registration::status_id_approved,
+				),
+				'showGravatar'       => array(
+					'type'    => 'boolean',
+					'default' => false,
+				),
+				'displayOnArchives' => array(
+					'type'    => 'boolean',
+					'default' => false,
+				),
+			)
+		);
+		$this->setDynamic();
+	}
 
 
-    /**
-     * returns an array where the key corresponds to the incoming attribute name from the WP block
-     * and the value corresponds to the attribute name for the existing EspressoEventAttendees shortcode
-     *
-     * @since $VID:$
-     * @return array
-     */
-    private function getAttributesMap()
-    {
-        return array(
-            'eventId'           => array('attribute' => 'event_id', 'sanitize' => 'absint'),
-            'datetimeId'        => array('attribute' => 'datetime_id', 'sanitize' => 'absint'),
-            'ticketId'          => array('attribute' => 'ticket_id', 'sanitize' => 'absint'),
-            'status'            => array('attribute' => 'status', 'sanitize' => 'sanitize_text_field'),
-            'showGravatar'      => array('attribute' => 'show_gravatar', 'sanitize' => 'bool'),
-            'displayOnArchives' => array('attribute' => 'display_on_archives', 'sanitize' => 'bool'),
-        );
-    }
+	/**
+	 * returns an array where the key corresponds to the incoming attribute name from the WP block
+	 * and the value corresponds to the attribute name for the existing EspressoEventAttendees shortcode
+	 *
+	 * @since $VID:$
+	 * @return array
+	 */
+	private function getAttributesMap()
+	{
+		return array(
+			'eventId'           => array('attribute' => 'event_id', 'sanitize' => 'absint'),
+			'datetimeId'        => array('attribute' => 'datetime_id', 'sanitize' => 'absint'),
+			'ticketId'          => array('attribute' => 'ticket_id', 'sanitize' => 'absint'),
+			'status'            => array('attribute' => 'status', 'sanitize' => 'sanitize_text_field'),
+			'showGravatar'      => array('attribute' => 'show_gravatar', 'sanitize' => 'bool'),
+			'displayOnArchives' => array('attribute' => 'display_on_archives', 'sanitize' => 'bool'),
+		);
+	}
 
 
-    /**
-     * @param array $attributes
-     * @since $VID:$
-     * @return array
-     */
-    private function parseAttributes(array $attributes)
-    {
-        foreach ($attributes as $attribute => $value) {
-            $convert = $this->getAttributesMap();
-            if (isset($convert[ $attribute ])) {
-                $sanitize = $convert[ $attribute ]['sanitize'];
-                if ($sanitize === 'bool') {
-                    $attributes[ $convert[ $attribute ]['attribute'] ] = filter_var(
-                        $value,
-                        FILTER_VALIDATE_BOOLEAN
-                    );
-                } else {
-                    $attributes[ $convert[ $attribute ]['attribute'] ] = $sanitize($value);
-                }
-                unset($attributes[ $attribute ]);
-            }
-        }
-        return $attributes;
-    }
+	/**
+	 * @param array $attributes
+	 * @since $VID:$
+	 * @return array
+	 */
+	private function parseAttributes(array $attributes)
+	{
+		foreach ($attributes as $attribute => $value) {
+			$convert = $this->getAttributesMap();
+			if (isset($convert[ $attribute ])) {
+				$sanitize = $convert[ $attribute ]['sanitize'];
+				if ($sanitize === 'bool') {
+					$attributes[ $convert[ $attribute ]['attribute'] ] = filter_var(
+						$value,
+						FILTER_VALIDATE_BOOLEAN
+					);
+				} else {
+					$attributes[ $convert[ $attribute ]['attribute'] ] = $sanitize($value);
+				}
+				unset($attributes[ $attribute ]);
+			}
+		}
+		return $attributes;
+	}
 
 
-    /**
-     * returns the rendered HTML for the block
-     *
-     * @param array $attributes
-     * @return string
-     * @throws \EE_Error
-     * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
-     * @throws \EventEspresso\core\exceptions\InvalidInterfaceException
-     * @throws \InvalidArgumentException
-     */
-    public function renderBlock(array $attributes = array())
-    {
-        return $this->shortcode->processShortcode($this->parseAttributes($attributes));
-    }
+	/**
+	 * returns the rendered HTML for the block
+	 *
+	 * @param array $attributes
+	 * @return string
+	 * @throws \EE_Error
+	 * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
+	 * @throws \EventEspresso\core\exceptions\InvalidInterfaceException
+	 * @throws \InvalidArgumentException
+	 */
+	public function renderBlock(array $attributes = array())
+	{
+		return $this->shortcode->processShortcode($this->parseAttributes($attributes));
+	}
 }

Spacing +5 added lines, -5 removed lines

@@ -110,17 +110,17 @@
     {
         foreach ($attributes as $attribute => $value) {
             $convert = $this->getAttributesMap();
-            if (isset($convert[ $attribute ])) {
-                $sanitize = $convert[ $attribute ]['sanitize'];
+            if (isset($convert[$attribute])) {
+                $sanitize = $convert[$attribute]['sanitize'];
                 if ($sanitize === 'bool') {
-                    $attributes[ $convert[ $attribute ]['attribute'] ] = filter_var(
+                    $attributes[$convert[$attribute]['attribute']] = filter_var(
                         $value,
                         FILTER_VALIDATE_BOOLEAN
                     );
                 } else {
-                    $attributes[ $convert[ $attribute ]['attribute'] ] = $sanitize($value);
+                    $attributes[$convert[$attribute]['attribute']] = $sanitize($value);
                 }
-                unset($attributes[ $attribute ]);
+                unset($attributes[$attribute]);
             }
         }
         return $attributes;

core/EE_Dependency_Map.core.php

Indentation +1008 added lines, -1008 removed lines

@@ -20,1012 +20,1012 @@
 class EE_Dependency_Map
 {
 
-    /**
-     * This means that the requested class dependency is not present in the dependency map
-     */
-    const not_registered = 0;
-
-    /**
-     * This instructs class loaders to ALWAYS return a newly instantiated object for the requested class.
-     */
-    const load_new_object = 1;
-
-    /**
-     * This instructs class loaders to return a previously instantiated and cached object for the requested class.
-     * IF a previously instantiated object does not exist, a new one will be created and added to the cache.
-     */
-    const load_from_cache = 2;
-
-    /**
-     * When registering a dependency,
-     * this indicates to keep any existing dependencies that already exist,
-     * and simply discard any new dependencies declared in the incoming data
-     */
-    const KEEP_EXISTING_DEPENDENCIES = 0;
-
-    /**
-     * When registering a dependency,
-     * this indicates to overwrite any existing dependencies that already exist using the incoming data
-     */
-    const OVERWRITE_DEPENDENCIES = 1;
-
-
-    /**
-     * @type EE_Dependency_Map $_instance
-     */
-    protected static $_instance;
-
-    /**
-     * @var ClassInterfaceCache $class_cache
-     */
-    private $class_cache;
-
-    /**
-     * @type RequestInterface $request
-     */
-    protected $request;
-
-    /**
-     * @type LegacyRequestInterface $legacy_request
-     */
-    protected $legacy_request;
-
-    /**
-     * @type ResponseInterface $response
-     */
-    protected $response;
-
-    /**
-     * @type LoaderInterface $loader
-     */
-    protected $loader;
-
-    /**
-     * @type array $_dependency_map
-     */
-    protected $_dependency_map = array();
-
-    /**
-     * @type array $_class_loaders
-     */
-    protected $_class_loaders = array();
-
-
-    /**
-     * EE_Dependency_Map constructor.
-     *
-     * @param ClassInterfaceCache $class_cache
-     */
-    protected function __construct(ClassInterfaceCache $class_cache)
-    {
-        $this->class_cache = $class_cache;
-        do_action('EE_Dependency_Map____construct', $this);
-    }
-
-
-    /**
-     * @return void
-     */
-    public function initialize()
-    {
-        $this->_register_core_dependencies();
-        $this->_register_core_class_loaders();
-        $this->_register_core_aliases();
-    }
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @param ClassInterfaceCache|null $class_cache
-     * @return EE_Dependency_Map
-     */
-    public static function instance(ClassInterfaceCache $class_cache = null)
-    {
-        // check if class object is instantiated, and instantiated properly
-        if (! self::$_instance instanceof EE_Dependency_Map
-            && $class_cache instanceof ClassInterfaceCache
-        ) {
-            self::$_instance = new EE_Dependency_Map($class_cache);
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * @param RequestInterface $request
-     */
-    public function setRequest(RequestInterface $request)
-    {
-        $this->request = $request;
-    }
-
-
-    /**
-     * @param LegacyRequestInterface $legacy_request
-     */
-    public function setLegacyRequest(LegacyRequestInterface $legacy_request)
-    {
-        $this->legacy_request = $legacy_request;
-    }
-
-
-    /**
-     * @param ResponseInterface $response
-     */
-    public function setResponse(ResponseInterface $response)
-    {
-        $this->response = $response;
-    }
-
-
-    /**
-     * @param LoaderInterface $loader
-     */
-    public function setLoader(LoaderInterface $loader)
-    {
-        $this->loader = $loader;
-    }
-
-
-    /**
-     * @param string $class
-     * @param array  $dependencies
-     * @param int    $overwrite
-     * @return bool
-     */
-    public static function register_dependencies(
-        $class,
-        array $dependencies,
-        $overwrite = EE_Dependency_Map::KEEP_EXISTING_DEPENDENCIES
-    ) {
-        return self::$_instance->registerDependencies($class, $dependencies, $overwrite);
-    }
-
-
-    /**
-     * Assigns an array of class names and corresponding load sources (new or cached)
-     * to the class specified by the first parameter.
-     * IMPORTANT !!!
-     * The order of elements in the incoming $dependencies array MUST match
-     * the order of the constructor parameters for the class in question.
-     * This is especially important when overriding any existing dependencies that are registered.
-     * the third parameter controls whether any duplicate dependencies are overwritten or not.
-     *
-     * @param string $class
-     * @param array  $dependencies
-     * @param int    $overwrite
-     * @return bool
-     */
-    public function registerDependencies(
-        $class,
-        array $dependencies,
-        $overwrite = EE_Dependency_Map::KEEP_EXISTING_DEPENDENCIES
-    ) {
-        $class = trim($class, '\\');
-        $registered = false;
-        if (empty(self::$_instance->_dependency_map[ $class ])) {
-            self::$_instance->_dependency_map[ $class ] = array();
-        }
-        // we need to make sure that any aliases used when registering a dependency
-        // get resolved to the correct class name
-        foreach ($dependencies as $dependency => $load_source) {
-            $alias = self::$_instance->getFqnForAlias($dependency);
-            if ($overwrite === EE_Dependency_Map::OVERWRITE_DEPENDENCIES
-                || ! isset(self::$_instance->_dependency_map[ $class ][ $alias ])
-            ) {
-                unset($dependencies[ $dependency ]);
-                $dependencies[ $alias ] = $load_source;
-                $registered = true;
-            }
-        }
-        // now add our two lists of dependencies together.
-        // using Union (+=) favours the arrays in precedence from left to right,
-        // so $dependencies is NOT overwritten because it is listed first
-        // ie: with A = B + C, entries in B take precedence over duplicate entries in C
-        // Union is way faster than array_merge() but should be used with caution...
-        // especially with numerically indexed arrays
-        $dependencies += self::$_instance->_dependency_map[ $class ];
-        // now we need to ensure that the resulting dependencies
-        // array only has the entries that are required for the class
-        // so first count how many dependencies were originally registered for the class
-        $dependency_count = count(self::$_instance->_dependency_map[ $class ]);
-        // if that count is non-zero (meaning dependencies were already registered)
-        self::$_instance->_dependency_map[ $class ] = $dependency_count
-            // then truncate the  final array to match that count
-            ? array_slice($dependencies, 0, $dependency_count)
-            // otherwise just take the incoming array because nothing previously existed
-            : $dependencies;
-        return $registered;
-    }
-
-
-    /**
-     * @param string $class_name
-     * @param string $loader
-     * @return bool
-     * @throws DomainException
-     */
-    public static function register_class_loader($class_name, $loader = 'load_core')
-    {
-        if (! $loader instanceof Closure && strpos($class_name, '\\') !== false) {
-            throw new DomainException(
-                esc_html__('Don\'t use class loaders for FQCNs.', 'event_espresso')
-            );
-        }
-        // check that loader is callable or method starts with "load_" and exists in EE_Registry
-        if (! is_callable($loader)
-            && (
-                strpos($loader, 'load_') !== 0
-                || ! method_exists('EE_Registry', $loader)
-            )
-        ) {
-            throw new DomainException(
-                sprintf(
-                    esc_html__(
-                        '"%1$s" is not a valid loader method on EE_Registry.',
-                        'event_espresso'
-                    ),
-                    $loader
-                )
-            );
-        }
-        $class_name = self::$_instance->getFqnForAlias($class_name);
-        if (! isset(self::$_instance->_class_loaders[ $class_name ])) {
-            self::$_instance->_class_loaders[ $class_name ] = $loader;
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function dependency_map()
-    {
-        return $this->_dependency_map;
-    }
-
-
-    /**
-     * returns TRUE if dependency map contains a listing for the provided class name
-     *
-     * @param string $class_name
-     * @return boolean
-     */
-    public function has($class_name = '')
-    {
-        // all legacy models have the same dependencies
-        if (strpos($class_name, 'EEM_') === 0) {
-            $class_name = 'LEGACY_MODELS';
-        }
-        return isset($this->_dependency_map[ $class_name ]) ? true : false;
-    }
-
-
-    /**
-     * returns TRUE if dependency map contains a listing for the provided class name AND dependency
-     *
-     * @param string $class_name
-     * @param string $dependency
-     * @return bool
-     */
-    public function has_dependency_for_class($class_name = '', $dependency = '')
-    {
-        // all legacy models have the same dependencies
-        if (strpos($class_name, 'EEM_') === 0) {
-            $class_name = 'LEGACY_MODELS';
-        }
-        $dependency = $this->getFqnForAlias($dependency, $class_name);
-        return isset($this->_dependency_map[ $class_name ][ $dependency ])
-            ? true
-            : false;
-    }
-
-
-    /**
-     * returns loading strategy for whether a previously cached dependency should be loaded or a new instance returned
-     *
-     * @param string $class_name
-     * @param string $dependency
-     * @return int
-     */
-    public function loading_strategy_for_class_dependency($class_name = '', $dependency = '')
-    {
-        // all legacy models have the same dependencies
-        if (strpos($class_name, 'EEM_') === 0) {
-            $class_name = 'LEGACY_MODELS';
-        }
-        $dependency = $this->getFqnForAlias($dependency);
-        return $this->has_dependency_for_class($class_name, $dependency)
-            ? $this->_dependency_map[ $class_name ][ $dependency ]
-            : EE_Dependency_Map::not_registered;
-    }
-
-
-    /**
-     * @param string $class_name
-     * @return string | Closure
-     */
-    public function class_loader($class_name)
-    {
-        // all legacy models use load_model()
-        if (strpos($class_name, 'EEM_') === 0) {
-            return 'load_model';
-        }
-        // EE_CPT_*_Strategy classes like EE_CPT_Event_Strategy, EE_CPT_Venue_Strategy, etc
-        // perform strpos() first to avoid loading regex every time we load a class
-        if (strpos($class_name, 'EE_CPT_') === 0
-            && preg_match('/^EE_CPT_([a-zA-Z]+)_Strategy$/', $class_name)
-        ) {
-            return 'load_core';
-        }
-        $class_name = $this->getFqnForAlias($class_name);
-        return isset($this->_class_loaders[ $class_name ]) ? $this->_class_loaders[ $class_name ] : '';
-    }
-
-
-    /**
-     * @return array
-     */
-    public function class_loaders()
-    {
-        return $this->_class_loaders;
-    }
-
-
-    /**
-     * adds an alias for a classname
-     *
-     * @param string $fqcn      the class name that should be used (concrete class to replace interface)
-     * @param string $alias     the class name that would be type hinted for (abstract parent or interface)
-     * @param string $for_class the class that has the dependency (is type hinting for the interface)
-     */
-    public function add_alias($fqcn, $alias, $for_class = '')
-    {
-        $this->class_cache->addAlias($fqcn, $alias, $for_class);
-    }
-
-
-    /**
-     * Returns TRUE if the provided fully qualified name IS an alias
-     * WHY?
-     * Because if a class is type hinting for a concretion,
-     * then why would we need to find another class to supply it?
-     * ie: if a class asks for `Fully/Qualified/Namespace/SpecificClassName`,
-     * then give it an instance of `Fully/Qualified/Namespace/SpecificClassName`.
-     * Don't go looking for some substitute.
-     * Whereas if a class is type hinting for an interface...
-     * then we need to find an actual class to use.
-     * So the interface IS the alias for some other FQN,
-     * and we need to find out if `Fully/Qualified/Namespace/SomeInterface`
-     * represents some other class.
-     *
-     * @param string $fqn
-     * @param string $for_class
-     * @return bool
-     */
-    public function isAlias($fqn = '', $for_class = '')
-    {
-        return $this->class_cache->isAlias($fqn, $for_class);
-    }
-
-
-    /**
-     * Returns a FQN for provided alias if one exists, otherwise returns the original $alias
-     * functions recursively, so that multiple aliases can be used to drill down to a FQN
-     *  for example:
-     *      if the following two entries were added to the _aliases array:
-     *          array(
-     *              'interface_alias'           => 'some\namespace\interface'
-     *              'some\namespace\interface'  => 'some\namespace\classname'
-     *          )
-     *      then one could use EE_Registry::instance()->create( 'interface_alias' )
-     *      to load an instance of 'some\namespace\classname'
-     *
-     * @param string $alias
-     * @param string $for_class
-     * @return string
-     */
-    public function getFqnForAlias($alias = '', $for_class = '')
-    {
-        return (string) $this->class_cache->getFqnForAlias($alias, $for_class);
-    }
-
-
-    /**
-     * Registers the core dependencies and whether a previously instantiated object should be loaded from the cache,
-     * if one exists, or whether a new object should be generated every time the requested class is loaded.
-     * This is done by using the following class constants:
-     *        EE_Dependency_Map::load_from_cache - loads previously instantiated object
-     *        EE_Dependency_Map::load_new_object - generates a new object every time
-     */
-    protected function _register_core_dependencies()
-    {
-        $this->_dependency_map = array(
-            'EE_Request_Handler'                                                                                          => array(
-                'EE_Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_System'                                                                                                   => array(
-                'EE_Registry'                                 => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EE_Maintenance_Mode'                         => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Session'                                                                                                  => array(
-                'EventEspresso\core\services\cache\TransientCacheStorage'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request'              => EE_Dependency_Map::load_from_cache,
-                'EE_Encryption'                                            => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Cart'                                                                                                     => array(
-                'EE_Session' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Front_Controller'                                                                                         => array(
-                'EE_Registry'              => EE_Dependency_Map::load_from_cache,
-                'EE_Request_Handler'       => EE_Dependency_Map::load_from_cache,
-                'EE_Module_Request_Router' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Messenger_Collection_Loader'                                                                              => array(
-                'EE_Messenger_Collection' => EE_Dependency_Map::load_new_object,
-            ),
-            'EE_Message_Type_Collection_Loader'                                                                           => array(
-                'EE_Message_Type_Collection' => EE_Dependency_Map::load_new_object,
-            ),
-            'EE_Message_Resource_Manager'                                                                                 => array(
-                'EE_Messenger_Collection_Loader'    => EE_Dependency_Map::load_new_object,
-                'EE_Message_Type_Collection_Loader' => EE_Dependency_Map::load_new_object,
-                'EEM_Message_Template_Group'        => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Message_Factory'                                                                                          => array(
-                'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_messages'                                                                                                 => array(
-                'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Messages_Generator'                                                                                       => array(
-                'EE_Messages_Queue'                    => EE_Dependency_Map::load_new_object,
-                'EE_Messages_Data_Handler_Collection'  => EE_Dependency_Map::load_new_object,
-                'EE_Message_Template_Group_Collection' => EE_Dependency_Map::load_new_object,
-                'EEH_Parse_Shortcodes'                 => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Messages_Processor'                                                                                       => array(
-                'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Messages_Queue'                                                                                           => array(
-                'EE_Message_Repository' => EE_Dependency_Map::load_new_object,
-            ),
-            'EE_Messages_Template_Defaults'                                                                               => array(
-                'EEM_Message_Template_Group' => EE_Dependency_Map::load_from_cache,
-                'EEM_Message_Template'       => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Message_To_Generate_From_Request'                                                                         => array(
-                'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
-                'EE_Request_Handler'          => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\CommandBus'                                                             => array(
-                'EventEspresso\core\services\commands\CommandHandlerManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\services\commands\CommandHandler'                                                              => array(
-                'EE_Registry'         => EE_Dependency_Map::load_from_cache,
-                'CommandBusInterface' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\CommandHandlerManager'                                                  => array(
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\CompositeCommandHandler'                                                => array(
-                'EventEspresso\core\services\commands\CommandBus'     => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\commands\CommandFactory' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\CommandFactory'                                                         => array(
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\middleware\CapChecker'                                                  => array(
-                'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker'                                         => array(
-                'EE_Capabilities' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\capabilities\RegistrationsCapChecker'                                     => array(
-                'EE_Capabilities' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\CreateRegistrationCommandHandler'                          => array(
-                'EventEspresso\core\domain\services\registration\CreateRegistrationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\CopyRegistrationDetailsCommandHandler'                     => array(
-                'EventEspresso\core\domain\services\registration\CopyRegistrationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\CopyRegistrationPaymentsCommandHandler'                    => array(
-                'EventEspresso\core\domain\services\registration\CopyRegistrationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\CancelRegistrationAndTicketLineItemCommandHandler'         => array(
-                'EventEspresso\core\domain\services\registration\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\UpdateRegistrationAndTransactionAfterChangeCommandHandler' => array(
-                'EventEspresso\core\domain\services\registration\UpdateRegistrationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\ticket\CreateTicketLineItemCommandHandler'                              => array(
-                'EventEspresso\core\domain\services\ticket\CreateTicketLineItemService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\ticket\CancelTicketLineItemCommandHandler'                              => array(
-                'EventEspresso\core\domain\services\ticket\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\registration\CancelRegistrationService'                                   => array(
-                'EventEspresso\core\domain\services\ticket\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\attendee\CreateAttendeeCommandHandler'                                  => array(
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\database\TableManager'                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Data_Migration_Class_Base'                                                                                => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_1_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_2_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_3_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_4_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_5_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_6_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_7_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_8_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_9_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\assets\I18nRegistry'                                                             => array(
-                array(),
-                'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\assets\Registry'                                                                 => array(
-                'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\assets\I18nRegistry'    => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoCancelled'                                             => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoCheckout'                                              => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoEventAttendees'                                        => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoEvents'                                                => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoThankYou'                                              => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoTicketSelector'                                        => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoTxnPage'                                               => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\cache\BasicCacheManager'                                                         => array(
-                'EventEspresso\core\services\cache\TransientCacheStorage' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\cache\PostRelatedCacheManager'                                                   => array(
-                'EventEspresso\core\services\cache\TransientCacheStorage' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\validation\email\EmailValidationService'                                  => array(
-                'EE_Registration_Config'                     => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\values\EmailAddress'                                                               => array(
-                null,
-                'EventEspresso\core\domain\services\validation\email\EmailValidationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\orm\ModelFieldFactory'                                                           => array(
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'LEGACY_MODELS'                                                                                               => array(
-                null,
-                'EventEspresso\core\services\database\ModelFieldFactory' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Module_Request_Router'                                                                                    => array(
-                'EE_Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Registration_Processor'                                                                                   => array(
-                'EE_Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'                                      => array(
-                null,
-                'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker' => EE_Dependency_Map::load_from_cache,
-                'EE_Request'                                                          => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\licensing\LicenseService'                                                        => array(
-                'EventEspresso\core\domain\services\pue\Stats'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\services\pue\Config' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Admin_Transactions_List_Table'                                                                            => array(
-                null,
-                'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\pue\Stats'                                                                => array(
-                'EventEspresso\core\domain\services\pue\Config'        => EE_Dependency_Map::load_from_cache,
-                'EE_Maintenance_Mode'                                  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\services\pue\StatsGatherer' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\pue\Config'                                                               => array(
-                'EE_Network_Config' => EE_Dependency_Map::load_from_cache,
-                'EE_Config'         => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\pue\StatsGatherer'                                                        => array(
-                'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache,
-                'EEM_Event'          => EE_Dependency_Map::load_from_cache,
-                'EEM_Datetime'       => EE_Dependency_Map::load_from_cache,
-                'EEM_Ticket'         => EE_Dependency_Map::load_from_cache,
-                'EEM_Registration'   => EE_Dependency_Map::load_from_cache,
-                'EEM_Transaction'    => EE_Dependency_Map::load_from_cache,
-                'EE_Config'          => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\ExitModal'                                                          => array(
-                'EventEspresso\core\services\assets\Registry' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\PluginUpsells'                                                      => array(
-                'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\caffeinated\modules\recaptcha_invisible\InvisibleRecaptcha'                                    => array(
-                'EE_Registration_Config' => EE_Dependency_Map::load_from_cache,
-                'EE_Session'             => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\caffeinated\modules\recaptcha_invisible\RecaptchaAdminSettings'                                => array(
-                'EE_Registration_Config' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\modules\ticket_selector\ProcessTicketSelector'                                                 => array(
-                'EE_Core_Config'                                                          => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request'                             => EE_Dependency_Map::load_from_cache,
-                'EE_Session'                                                              => EE_Dependency_Map::load_from_cache,
-                'EEM_Ticket'                                                              => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\modules\ticket_selector\TicketDatetimeAvailabilityTracker' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\modules\ticket_selector\TicketDatetimeAvailabilityTracker'                                     => array(
-                'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions'                              => array(
-                'EE_Core_Config'                             => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes'                                => array(
-                'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies'                               => array(
-                'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_CPT_Strategy'                                                                                             => array(
-                'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\loaders\ObjectIdentifier'                                                        => array(
-                'EventEspresso\core\services\loaders\ClassInterfaceCache' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\assets\CoreAssetManager'                                                  => array(
-                'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
-                'EE_Currency_Config'                                 => EE_Dependency_Map::load_from_cache,
-                'EE_Template_Config'                                 => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\Domain'                   => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\assets\Registry'        => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\policy\PrivacyPolicy' => array(
-                'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportAttendee' => array(
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportAttendeeBillingData' => array(
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-                'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportCheckins' => array(
-                'EEM_Checkin' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportRegistration' => array(
-                'EEM_Registration' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportTransaction' => array(
-                'EEM_Transaction' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\erasure\EraseAttendeeData' => array(
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\erasure\EraseAnswers' => array(
-                'EEM_Answer' => EE_Dependency_Map::load_from_cache,
-                'EEM_Question' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\CPTs\CptQueryModifier' => array(
-                null,
-                null,
-                null,
-                'EE_Request_Handler'                          => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\forms\PrivacySettingsFormHandler' => array(
-                'EE_Registry' => EE_Dependency_Map::load_from_cache,
-                'EE_Config' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\services\editor\BlockRegistrationManager'                                                 => array(
-                'EventEspresso\core\services\assets\BlockAssetManagerCollection' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\entities\editor\BlockCollection'      => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request'                    => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\editor\blocks\CoreBlocksAssetManager' => array(
-                'EventEspresso\core\domain\Domain'                   => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\assets\Registry'        => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\editor\blocks\widgets\EventAttendees' => array(
-                'EventEspresso\core\domain\entities\editor\blocks\CoreBlocksAssetManager' => self::load_from_cache,
-                'EventEspresso\core\domain\entities\shortcodes\EspressoEventAttendees' => self::load_from_cache,
-            ),
-        );
-    }
-
-
-    /**
-     * Registers how core classes are loaded.
-     * This can either be done by simply providing the name of one of the EE_Registry loader methods such as:
-     *        'EE_Request_Handler' => 'load_core'
-     *        'EE_Messages_Queue'  => 'load_lib'
-     *        'EEH_Debug_Tools'    => 'load_helper'
-     * or, if greater control is required, by providing a custom closure. For example:
-     *        'Some_Class' => function () {
-     *            return new Some_Class();
-     *        },
-     * This is required for instantiating dependencies
-     * where an interface has been type hinted in a class constructor. For example:
-     *        'Required_Interface' => function () {
-     *            return new A_Class_That_Implements_Required_Interface();
-     *        },
-     */
-    protected function _register_core_class_loaders()
-    {
-        // for PHP5.3 compat, we need to register any properties called here in a variable because `$this` cannot
-        // be used in a closure.
-        $request = &$this->request;
-        $response = &$this->response;
-        $legacy_request = &$this->legacy_request;
-        // $loader = &$this->loader;
-        $this->_class_loaders = array(
-            // load_core
-            'EE_Capabilities'                              => 'load_core',
-            'EE_Encryption'                                => 'load_core',
-            'EE_Front_Controller'                          => 'load_core',
-            'EE_Module_Request_Router'                     => 'load_core',
-            'EE_Registry'                                  => 'load_core',
-            'EE_Request'                                   => function () use (&$legacy_request) {
-                return $legacy_request;
-            },
-            'EventEspresso\core\services\request\Request'  => function () use (&$request) {
-                return $request;
-            },
-            'EventEspresso\core\services\request\Response' => function () use (&$response) {
-                return $response;
-            },
-            'EE_Base'                                      => 'load_core',
-            'EE_Request_Handler'                           => 'load_core',
-            'EE_Session'                                   => 'load_core',
-            'EE_Cron_Tasks'                                => 'load_core',
-            'EE_System'                                    => 'load_core',
-            'EE_Maintenance_Mode'                          => 'load_core',
-            'EE_Register_CPTs'                             => 'load_core',
-            'EE_Admin'                                     => 'load_core',
-            'EE_CPT_Strategy'                              => 'load_core',
-            // load_lib
-            'EE_Message_Resource_Manager'                  => 'load_lib',
-            'EE_Message_Type_Collection'                   => 'load_lib',
-            'EE_Message_Type_Collection_Loader'            => 'load_lib',
-            'EE_Messenger_Collection'                      => 'load_lib',
-            'EE_Messenger_Collection_Loader'               => 'load_lib',
-            'EE_Messages_Processor'                        => 'load_lib',
-            'EE_Message_Repository'                        => 'load_lib',
-            'EE_Messages_Queue'                            => 'load_lib',
-            'EE_Messages_Data_Handler_Collection'          => 'load_lib',
-            'EE_Message_Template_Group_Collection'         => 'load_lib',
-            'EE_Payment_Method_Manager'                    => 'load_lib',
-            'EE_Messages_Generator'                        => function () {
-                return EE_Registry::instance()->load_lib(
-                    'Messages_Generator',
-                    array(),
-                    false,
-                    false
-                );
-            },
-            'EE_Messages_Template_Defaults'                => function ($arguments = array()) {
-                return EE_Registry::instance()->load_lib(
-                    'Messages_Template_Defaults',
-                    $arguments,
-                    false,
-                    false
-                );
-            },
-            // load_helper
-            'EEH_Parse_Shortcodes'                         => function () {
-                if (EE_Registry::instance()->load_helper('Parse_Shortcodes')) {
-                    return new EEH_Parse_Shortcodes();
-                }
-                return null;
-            },
-            'EE_Template_Config'                           => function () {
-                return EE_Config::instance()->template_settings;
-            },
-            'EE_Currency_Config'                           => function () {
-                return EE_Config::instance()->currency;
-            },
-            'EE_Registration_Config'                       => function () {
-                return EE_Config::instance()->registration;
-            },
-            'EE_Core_Config'                               => function () {
-                return EE_Config::instance()->core;
-            },
-            'EventEspresso\core\services\loaders\Loader'   => function () {
-                return LoaderFactory::getLoader();
-            },
-            'EE_Network_Config'                            => function () {
-                return EE_Network_Config::instance();
-            },
-            'EE_Config'                                    => function () {
-                return EE_Config::instance();
-            },
-            'EventEspresso\core\domain\Domain'             => function () {
-                return DomainFactory::getEventEspressoCoreDomain();
-            },
-            'EE_Admin_Config'                              => function () {
-                return EE_Config::instance()->admin;
-            },
-        );
-    }
-
-
-    /**
-     * can be used for supplying alternate names for classes,
-     * or for connecting interface names to instantiable classes
-     */
-    protected function _register_core_aliases()
-    {
-        $aliases = array(
-            'CommandBusInterface'                                                          => 'EventEspresso\core\services\commands\CommandBusInterface',
-            'EventEspresso\core\services\commands\CommandBusInterface'                     => 'EventEspresso\core\services\commands\CommandBus',
-            'CommandHandlerManagerInterface'                                               => 'EventEspresso\core\services\commands\CommandHandlerManagerInterface',
-            'EventEspresso\core\services\commands\CommandHandlerManagerInterface'          => 'EventEspresso\core\services\commands\CommandHandlerManager',
-            'CapChecker'                                                                   => 'EventEspresso\core\services\commands\middleware\CapChecker',
-            'AddActionHook'                                                                => 'EventEspresso\core\services\commands\middleware\AddActionHook',
-            'CapabilitiesChecker'                                                          => 'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker',
-            'CapabilitiesCheckerInterface'                                                 => 'EventEspresso\core\domain\services\capabilities\CapabilitiesCheckerInterface',
-            'EventEspresso\core\domain\services\capabilities\CapabilitiesCheckerInterface' => 'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker',
-            'CreateRegistrationService'                                                    => 'EventEspresso\core\domain\services\registration\CreateRegistrationService',
-            'CreateRegistrationCommandHandler'                                             => 'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
-            'CopyRegistrationDetailsCommandHandler'                                        => 'EventEspresso\core\services\commands\registration\CopyRegistrationDetailsCommand',
-            'CopyRegistrationPaymentsCommandHandler'                                       => 'EventEspresso\core\services\commands\registration\CopyRegistrationPaymentsCommand',
-            'CancelRegistrationAndTicketLineItemCommandHandler'                            => 'EventEspresso\core\services\commands\registration\CancelRegistrationAndTicketLineItemCommandHandler',
-            'UpdateRegistrationAndTransactionAfterChangeCommandHandler'                    => 'EventEspresso\core\services\commands\registration\UpdateRegistrationAndTransactionAfterChangeCommandHandler',
-            'CreateTicketLineItemCommandHandler'                                           => 'EventEspresso\core\services\commands\ticket\CreateTicketLineItemCommand',
-            'CreateTransactionCommandHandler'                                              => 'EventEspresso\core\services\commands\transaction\CreateTransactionCommandHandler',
-            'CreateAttendeeCommandHandler'                                                 => 'EventEspresso\core\services\commands\attendee\CreateAttendeeCommandHandler',
-            'TableManager'                                                                 => 'EventEspresso\core\services\database\TableManager',
-            'TableAnalysis'                                                                => 'EventEspresso\core\services\database\TableAnalysis',
-            'EspressoShortcode'                                                            => 'EventEspresso\core\services\shortcodes\EspressoShortcode',
-            'ShortcodeInterface'                                                           => 'EventEspresso\core\services\shortcodes\ShortcodeInterface',
-            'EventEspresso\core\services\shortcodes\ShortcodeInterface'                    => 'EventEspresso\core\services\shortcodes\EspressoShortcode',
-            'EventEspresso\core\services\cache\CacheStorageInterface'                      => 'EventEspresso\core\services\cache\TransientCacheStorage',
-            'LoaderInterface'                                                              => 'EventEspresso\core\services\loaders\LoaderInterface',
-            'EventEspresso\core\services\loaders\LoaderInterface'                          => 'EventEspresso\core\services\loaders\Loader',
-            'CommandFactoryInterface'                                                      => 'EventEspresso\core\services\commands\CommandFactoryInterface',
-            'EventEspresso\core\services\commands\CommandFactoryInterface'                 => 'EventEspresso\core\services\commands\CommandFactory',
-            'EventEspresso\core\domain\services\session\SessionIdentifierInterface'        => 'EE_Session',
-            'EmailValidatorInterface'                                                      => 'EventEspresso\core\domain\services\validation\email\EmailValidatorInterface',
-            'EventEspresso\core\domain\services\validation\email\EmailValidatorInterface'  => 'EventEspresso\core\domain\services\validation\email\EmailValidationService',
-            'NoticeConverterInterface'                                                     => 'EventEspresso\core\services\notices\NoticeConverterInterface',
-            'EventEspresso\core\services\notices\NoticeConverterInterface'                 => 'EventEspresso\core\services\notices\ConvertNoticesToEeErrors',
-            'NoticesContainerInterface'                                                    => 'EventEspresso\core\services\notices\NoticesContainerInterface',
-            'EventEspresso\core\services\notices\NoticesContainerInterface'                => 'EventEspresso\core\services\notices\NoticesContainer',
-            'EventEspresso\core\services\request\RequestInterface'                         => 'EventEspresso\core\services\request\Request',
-            'EventEspresso\core\services\request\ResponseInterface'                        => 'EventEspresso\core\services\request\Response',
-            'EventEspresso\core\domain\DomainInterface'                                    => 'EventEspresso\core\domain\Domain',
-        );
-        foreach ($aliases as $alias => $fqn) {
-            if (is_array($fqn)) {
-                foreach ($fqn as $class => $for_class) {
-                    $this->class_cache->addAlias($class, $alias, $for_class);
-                }
-                continue;
-            }
-            $this->class_cache->addAlias($fqn, $alias);
-        }
-        if (! (defined('DOING_AJAX') && DOING_AJAX) && is_admin()) {
-            $this->class_cache->addAlias(
-                'EventEspresso\core\services\notices\ConvertNoticesToAdminNotices',
-                'EventEspresso\core\services\notices\NoticeConverterInterface'
-            );
-        }
-    }
-
-
-    /**
-     * This is used to reset the internal map and class_loaders to their original default state at the beginning of the
-     * request Primarily used by unit tests.
-     */
-    public function reset()
-    {
-        $this->_register_core_class_loaders();
-        $this->_register_core_dependencies();
-    }
-
-
-    /**
-     * PLZ NOTE: a better name for this method would be is_alias()
-     * because it returns TRUE if the provided fully qualified name IS an alias
-     * WHY?
-     * Because if a class is type hinting for a concretion,
-     * then why would we need to find another class to supply it?
-     * ie: if a class asks for `Fully/Qualified/Namespace/SpecificClassName`,
-     * then give it an instance of `Fully/Qualified/Namespace/SpecificClassName`.
-     * Don't go looking for some substitute.
-     * Whereas if a class is type hinting for an interface...
-     * then we need to find an actual class to use.
-     * So the interface IS the alias for some other FQN,
-     * and we need to find out if `Fully/Qualified/Namespace/SomeInterface`
-     * represents some other class.
-     *
-     * @deprecated 4.9.62.p
-     * @param string $fqn
-     * @param string $for_class
-     * @return bool
-     */
-    public function has_alias($fqn = '', $for_class = '')
-    {
-        return $this->isAlias($fqn, $for_class);
-    }
-
-
-    /**
-     * PLZ NOTE: a better name for this method would be get_fqn_for_alias()
-     * because it returns a FQN for provided alias if one exists, otherwise returns the original $alias
-     * functions recursively, so that multiple aliases can be used to drill down to a FQN
-     *  for example:
-     *      if the following two entries were added to the _aliases array:
-     *          array(
-     *              'interface_alias'           => 'some\namespace\interface'
-     *              'some\namespace\interface'  => 'some\namespace\classname'
-     *          )
-     *      then one could use EE_Registry::instance()->create( 'interface_alias' )
-     *      to load an instance of 'some\namespace\classname'
-     *
-     * @deprecated 4.9.62.p
-     * @param string $alias
-     * @param string $for_class
-     * @return string
-     */
-    public function get_alias($alias = '', $for_class = '')
-    {
-        return $this->getFqnForAlias($alias, $for_class);
-    }
+	/**
+	 * This means that the requested class dependency is not present in the dependency map
+	 */
+	const not_registered = 0;
+
+	/**
+	 * This instructs class loaders to ALWAYS return a newly instantiated object for the requested class.
+	 */
+	const load_new_object = 1;
+
+	/**
+	 * This instructs class loaders to return a previously instantiated and cached object for the requested class.
+	 * IF a previously instantiated object does not exist, a new one will be created and added to the cache.
+	 */
+	const load_from_cache = 2;
+
+	/**
+	 * When registering a dependency,
+	 * this indicates to keep any existing dependencies that already exist,
+	 * and simply discard any new dependencies declared in the incoming data
+	 */
+	const KEEP_EXISTING_DEPENDENCIES = 0;
+
+	/**
+	 * When registering a dependency,
+	 * this indicates to overwrite any existing dependencies that already exist using the incoming data
+	 */
+	const OVERWRITE_DEPENDENCIES = 1;
+
+
+	/**
+	 * @type EE_Dependency_Map $_instance
+	 */
+	protected static $_instance;
+
+	/**
+	 * @var ClassInterfaceCache $class_cache
+	 */
+	private $class_cache;
+
+	/**
+	 * @type RequestInterface $request
+	 */
+	protected $request;
+
+	/**
+	 * @type LegacyRequestInterface $legacy_request
+	 */
+	protected $legacy_request;
+
+	/**
+	 * @type ResponseInterface $response
+	 */
+	protected $response;
+
+	/**
+	 * @type LoaderInterface $loader
+	 */
+	protected $loader;
+
+	/**
+	 * @type array $_dependency_map
+	 */
+	protected $_dependency_map = array();
+
+	/**
+	 * @type array $_class_loaders
+	 */
+	protected $_class_loaders = array();
+
+
+	/**
+	 * EE_Dependency_Map constructor.
+	 *
+	 * @param ClassInterfaceCache $class_cache
+	 */
+	protected function __construct(ClassInterfaceCache $class_cache)
+	{
+		$this->class_cache = $class_cache;
+		do_action('EE_Dependency_Map____construct', $this);
+	}
+
+
+	/**
+	 * @return void
+	 */
+	public function initialize()
+	{
+		$this->_register_core_dependencies();
+		$this->_register_core_class_loaders();
+		$this->_register_core_aliases();
+	}
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @param ClassInterfaceCache|null $class_cache
+	 * @return EE_Dependency_Map
+	 */
+	public static function instance(ClassInterfaceCache $class_cache = null)
+	{
+		// check if class object is instantiated, and instantiated properly
+		if (! self::$_instance instanceof EE_Dependency_Map
+			&& $class_cache instanceof ClassInterfaceCache
+		) {
+			self::$_instance = new EE_Dependency_Map($class_cache);
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * @param RequestInterface $request
+	 */
+	public function setRequest(RequestInterface $request)
+	{
+		$this->request = $request;
+	}
+
+
+	/**
+	 * @param LegacyRequestInterface $legacy_request
+	 */
+	public function setLegacyRequest(LegacyRequestInterface $legacy_request)
+	{
+		$this->legacy_request = $legacy_request;
+	}
+
+
+	/**
+	 * @param ResponseInterface $response
+	 */
+	public function setResponse(ResponseInterface $response)
+	{
+		$this->response = $response;
+	}
+
+
+	/**
+	 * @param LoaderInterface $loader
+	 */
+	public function setLoader(LoaderInterface $loader)
+	{
+		$this->loader = $loader;
+	}
+
+
+	/**
+	 * @param string $class
+	 * @param array  $dependencies
+	 * @param int    $overwrite
+	 * @return bool
+	 */
+	public static function register_dependencies(
+		$class,
+		array $dependencies,
+		$overwrite = EE_Dependency_Map::KEEP_EXISTING_DEPENDENCIES
+	) {
+		return self::$_instance->registerDependencies($class, $dependencies, $overwrite);
+	}
+
+
+	/**
+	 * Assigns an array of class names and corresponding load sources (new or cached)
+	 * to the class specified by the first parameter.
+	 * IMPORTANT !!!
+	 * The order of elements in the incoming $dependencies array MUST match
+	 * the order of the constructor parameters for the class in question.
+	 * This is especially important when overriding any existing dependencies that are registered.
+	 * the third parameter controls whether any duplicate dependencies are overwritten or not.
+	 *
+	 * @param string $class
+	 * @param array  $dependencies
+	 * @param int    $overwrite
+	 * @return bool
+	 */
+	public function registerDependencies(
+		$class,
+		array $dependencies,
+		$overwrite = EE_Dependency_Map::KEEP_EXISTING_DEPENDENCIES
+	) {
+		$class = trim($class, '\\');
+		$registered = false;
+		if (empty(self::$_instance->_dependency_map[ $class ])) {
+			self::$_instance->_dependency_map[ $class ] = array();
+		}
+		// we need to make sure that any aliases used when registering a dependency
+		// get resolved to the correct class name
+		foreach ($dependencies as $dependency => $load_source) {
+			$alias = self::$_instance->getFqnForAlias($dependency);
+			if ($overwrite === EE_Dependency_Map::OVERWRITE_DEPENDENCIES
+				|| ! isset(self::$_instance->_dependency_map[ $class ][ $alias ])
+			) {
+				unset($dependencies[ $dependency ]);
+				$dependencies[ $alias ] = $load_source;
+				$registered = true;
+			}
+		}
+		// now add our two lists of dependencies together.
+		// using Union (+=) favours the arrays in precedence from left to right,
+		// so $dependencies is NOT overwritten because it is listed first
+		// ie: with A = B + C, entries in B take precedence over duplicate entries in C
+		// Union is way faster than array_merge() but should be used with caution...
+		// especially with numerically indexed arrays
+		$dependencies += self::$_instance->_dependency_map[ $class ];
+		// now we need to ensure that the resulting dependencies
+		// array only has the entries that are required for the class
+		// so first count how many dependencies were originally registered for the class
+		$dependency_count = count(self::$_instance->_dependency_map[ $class ]);
+		// if that count is non-zero (meaning dependencies were already registered)
+		self::$_instance->_dependency_map[ $class ] = $dependency_count
+			// then truncate the  final array to match that count
+			? array_slice($dependencies, 0, $dependency_count)
+			// otherwise just take the incoming array because nothing previously existed
+			: $dependencies;
+		return $registered;
+	}
+
+
+	/**
+	 * @param string $class_name
+	 * @param string $loader
+	 * @return bool
+	 * @throws DomainException
+	 */
+	public static function register_class_loader($class_name, $loader = 'load_core')
+	{
+		if (! $loader instanceof Closure && strpos($class_name, '\\') !== false) {
+			throw new DomainException(
+				esc_html__('Don\'t use class loaders for FQCNs.', 'event_espresso')
+			);
+		}
+		// check that loader is callable or method starts with "load_" and exists in EE_Registry
+		if (! is_callable($loader)
+			&& (
+				strpos($loader, 'load_') !== 0
+				|| ! method_exists('EE_Registry', $loader)
+			)
+		) {
+			throw new DomainException(
+				sprintf(
+					esc_html__(
+						'"%1$s" is not a valid loader method on EE_Registry.',
+						'event_espresso'
+					),
+					$loader
+				)
+			);
+		}
+		$class_name = self::$_instance->getFqnForAlias($class_name);
+		if (! isset(self::$_instance->_class_loaders[ $class_name ])) {
+			self::$_instance->_class_loaders[ $class_name ] = $loader;
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function dependency_map()
+	{
+		return $this->_dependency_map;
+	}
+
+
+	/**
+	 * returns TRUE if dependency map contains a listing for the provided class name
+	 *
+	 * @param string $class_name
+	 * @return boolean
+	 */
+	public function has($class_name = '')
+	{
+		// all legacy models have the same dependencies
+		if (strpos($class_name, 'EEM_') === 0) {
+			$class_name = 'LEGACY_MODELS';
+		}
+		return isset($this->_dependency_map[ $class_name ]) ? true : false;
+	}
+
+
+	/**
+	 * returns TRUE if dependency map contains a listing for the provided class name AND dependency
+	 *
+	 * @param string $class_name
+	 * @param string $dependency
+	 * @return bool
+	 */
+	public function has_dependency_for_class($class_name = '', $dependency = '')
+	{
+		// all legacy models have the same dependencies
+		if (strpos($class_name, 'EEM_') === 0) {
+			$class_name = 'LEGACY_MODELS';
+		}
+		$dependency = $this->getFqnForAlias($dependency, $class_name);
+		return isset($this->_dependency_map[ $class_name ][ $dependency ])
+			? true
+			: false;
+	}
+
+
+	/**
+	 * returns loading strategy for whether a previously cached dependency should be loaded or a new instance returned
+	 *
+	 * @param string $class_name
+	 * @param string $dependency
+	 * @return int
+	 */
+	public function loading_strategy_for_class_dependency($class_name = '', $dependency = '')
+	{
+		// all legacy models have the same dependencies
+		if (strpos($class_name, 'EEM_') === 0) {
+			$class_name = 'LEGACY_MODELS';
+		}
+		$dependency = $this->getFqnForAlias($dependency);
+		return $this->has_dependency_for_class($class_name, $dependency)
+			? $this->_dependency_map[ $class_name ][ $dependency ]
+			: EE_Dependency_Map::not_registered;
+	}
+
+
+	/**
+	 * @param string $class_name
+	 * @return string | Closure
+	 */
+	public function class_loader($class_name)
+	{
+		// all legacy models use load_model()
+		if (strpos($class_name, 'EEM_') === 0) {
+			return 'load_model';
+		}
+		// EE_CPT_*_Strategy classes like EE_CPT_Event_Strategy, EE_CPT_Venue_Strategy, etc
+		// perform strpos() first to avoid loading regex every time we load a class
+		if (strpos($class_name, 'EE_CPT_') === 0
+			&& preg_match('/^EE_CPT_([a-zA-Z]+)_Strategy$/', $class_name)
+		) {
+			return 'load_core';
+		}
+		$class_name = $this->getFqnForAlias($class_name);
+		return isset($this->_class_loaders[ $class_name ]) ? $this->_class_loaders[ $class_name ] : '';
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function class_loaders()
+	{
+		return $this->_class_loaders;
+	}
+
+
+	/**
+	 * adds an alias for a classname
+	 *
+	 * @param string $fqcn      the class name that should be used (concrete class to replace interface)
+	 * @param string $alias     the class name that would be type hinted for (abstract parent or interface)
+	 * @param string $for_class the class that has the dependency (is type hinting for the interface)
+	 */
+	public function add_alias($fqcn, $alias, $for_class = '')
+	{
+		$this->class_cache->addAlias($fqcn, $alias, $for_class);
+	}
+
+
+	/**
+	 * Returns TRUE if the provided fully qualified name IS an alias
+	 * WHY?
+	 * Because if a class is type hinting for a concretion,
+	 * then why would we need to find another class to supply it?
+	 * ie: if a class asks for `Fully/Qualified/Namespace/SpecificClassName`,
+	 * then give it an instance of `Fully/Qualified/Namespace/SpecificClassName`.
+	 * Don't go looking for some substitute.
+	 * Whereas if a class is type hinting for an interface...
+	 * then we need to find an actual class to use.
+	 * So the interface IS the alias for some other FQN,
+	 * and we need to find out if `Fully/Qualified/Namespace/SomeInterface`
+	 * represents some other class.
+	 *
+	 * @param string $fqn
+	 * @param string $for_class
+	 * @return bool
+	 */
+	public function isAlias($fqn = '', $for_class = '')
+	{
+		return $this->class_cache->isAlias($fqn, $for_class);
+	}
+
+
+	/**
+	 * Returns a FQN for provided alias if one exists, otherwise returns the original $alias
+	 * functions recursively, so that multiple aliases can be used to drill down to a FQN
+	 *  for example:
+	 *      if the following two entries were added to the _aliases array:
+	 *          array(
+	 *              'interface_alias'           => 'some\namespace\interface'
+	 *              'some\namespace\interface'  => 'some\namespace\classname'
+	 *          )
+	 *      then one could use EE_Registry::instance()->create( 'interface_alias' )
+	 *      to load an instance of 'some\namespace\classname'
+	 *
+	 * @param string $alias
+	 * @param string $for_class
+	 * @return string
+	 */
+	public function getFqnForAlias($alias = '', $for_class = '')
+	{
+		return (string) $this->class_cache->getFqnForAlias($alias, $for_class);
+	}
+
+
+	/**
+	 * Registers the core dependencies and whether a previously instantiated object should be loaded from the cache,
+	 * if one exists, or whether a new object should be generated every time the requested class is loaded.
+	 * This is done by using the following class constants:
+	 *        EE_Dependency_Map::load_from_cache - loads previously instantiated object
+	 *        EE_Dependency_Map::load_new_object - generates a new object every time
+	 */
+	protected function _register_core_dependencies()
+	{
+		$this->_dependency_map = array(
+			'EE_Request_Handler'                                                                                          => array(
+				'EE_Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_System'                                                                                                   => array(
+				'EE_Registry'                                 => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EE_Maintenance_Mode'                         => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Session'                                                                                                  => array(
+				'EventEspresso\core\services\cache\TransientCacheStorage'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request'              => EE_Dependency_Map::load_from_cache,
+				'EE_Encryption'                                            => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Cart'                                                                                                     => array(
+				'EE_Session' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Front_Controller'                                                                                         => array(
+				'EE_Registry'              => EE_Dependency_Map::load_from_cache,
+				'EE_Request_Handler'       => EE_Dependency_Map::load_from_cache,
+				'EE_Module_Request_Router' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Messenger_Collection_Loader'                                                                              => array(
+				'EE_Messenger_Collection' => EE_Dependency_Map::load_new_object,
+			),
+			'EE_Message_Type_Collection_Loader'                                                                           => array(
+				'EE_Message_Type_Collection' => EE_Dependency_Map::load_new_object,
+			),
+			'EE_Message_Resource_Manager'                                                                                 => array(
+				'EE_Messenger_Collection_Loader'    => EE_Dependency_Map::load_new_object,
+				'EE_Message_Type_Collection_Loader' => EE_Dependency_Map::load_new_object,
+				'EEM_Message_Template_Group'        => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Message_Factory'                                                                                          => array(
+				'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_messages'                                                                                                 => array(
+				'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Messages_Generator'                                                                                       => array(
+				'EE_Messages_Queue'                    => EE_Dependency_Map::load_new_object,
+				'EE_Messages_Data_Handler_Collection'  => EE_Dependency_Map::load_new_object,
+				'EE_Message_Template_Group_Collection' => EE_Dependency_Map::load_new_object,
+				'EEH_Parse_Shortcodes'                 => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Messages_Processor'                                                                                       => array(
+				'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Messages_Queue'                                                                                           => array(
+				'EE_Message_Repository' => EE_Dependency_Map::load_new_object,
+			),
+			'EE_Messages_Template_Defaults'                                                                               => array(
+				'EEM_Message_Template_Group' => EE_Dependency_Map::load_from_cache,
+				'EEM_Message_Template'       => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Message_To_Generate_From_Request'                                                                         => array(
+				'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
+				'EE_Request_Handler'          => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\CommandBus'                                                             => array(
+				'EventEspresso\core\services\commands\CommandHandlerManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\services\commands\CommandHandler'                                                              => array(
+				'EE_Registry'         => EE_Dependency_Map::load_from_cache,
+				'CommandBusInterface' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\CommandHandlerManager'                                                  => array(
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\CompositeCommandHandler'                                                => array(
+				'EventEspresso\core\services\commands\CommandBus'     => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\commands\CommandFactory' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\CommandFactory'                                                         => array(
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\middleware\CapChecker'                                                  => array(
+				'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker'                                         => array(
+				'EE_Capabilities' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\capabilities\RegistrationsCapChecker'                                     => array(
+				'EE_Capabilities' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\CreateRegistrationCommandHandler'                          => array(
+				'EventEspresso\core\domain\services\registration\CreateRegistrationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\CopyRegistrationDetailsCommandHandler'                     => array(
+				'EventEspresso\core\domain\services\registration\CopyRegistrationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\CopyRegistrationPaymentsCommandHandler'                    => array(
+				'EventEspresso\core\domain\services\registration\CopyRegistrationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\CancelRegistrationAndTicketLineItemCommandHandler'         => array(
+				'EventEspresso\core\domain\services\registration\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\UpdateRegistrationAndTransactionAfterChangeCommandHandler' => array(
+				'EventEspresso\core\domain\services\registration\UpdateRegistrationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\ticket\CreateTicketLineItemCommandHandler'                              => array(
+				'EventEspresso\core\domain\services\ticket\CreateTicketLineItemService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\ticket\CancelTicketLineItemCommandHandler'                              => array(
+				'EventEspresso\core\domain\services\ticket\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\registration\CancelRegistrationService'                                   => array(
+				'EventEspresso\core\domain\services\ticket\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\attendee\CreateAttendeeCommandHandler'                                  => array(
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\database\TableManager'                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Data_Migration_Class_Base'                                                                                => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_1_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_2_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_3_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_4_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_5_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_6_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_7_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_8_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_9_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\assets\I18nRegistry'                                                             => array(
+				array(),
+				'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\assets\Registry'                                                                 => array(
+				'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\assets\I18nRegistry'    => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoCancelled'                                             => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoCheckout'                                              => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoEventAttendees'                                        => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoEvents'                                                => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoThankYou'                                              => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoTicketSelector'                                        => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoTxnPage'                                               => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\cache\BasicCacheManager'                                                         => array(
+				'EventEspresso\core\services\cache\TransientCacheStorage' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\cache\PostRelatedCacheManager'                                                   => array(
+				'EventEspresso\core\services\cache\TransientCacheStorage' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\validation\email\EmailValidationService'                                  => array(
+				'EE_Registration_Config'                     => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\values\EmailAddress'                                                               => array(
+				null,
+				'EventEspresso\core\domain\services\validation\email\EmailValidationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\orm\ModelFieldFactory'                                                           => array(
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'LEGACY_MODELS'                                                                                               => array(
+				null,
+				'EventEspresso\core\services\database\ModelFieldFactory' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Module_Request_Router'                                                                                    => array(
+				'EE_Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Registration_Processor'                                                                                   => array(
+				'EE_Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'                                      => array(
+				null,
+				'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker' => EE_Dependency_Map::load_from_cache,
+				'EE_Request'                                                          => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\licensing\LicenseService'                                                        => array(
+				'EventEspresso\core\domain\services\pue\Stats'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\services\pue\Config' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Admin_Transactions_List_Table'                                                                            => array(
+				null,
+				'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\pue\Stats'                                                                => array(
+				'EventEspresso\core\domain\services\pue\Config'        => EE_Dependency_Map::load_from_cache,
+				'EE_Maintenance_Mode'                                  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\services\pue\StatsGatherer' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\pue\Config'                                                               => array(
+				'EE_Network_Config' => EE_Dependency_Map::load_from_cache,
+				'EE_Config'         => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\pue\StatsGatherer'                                                        => array(
+				'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache,
+				'EEM_Event'          => EE_Dependency_Map::load_from_cache,
+				'EEM_Datetime'       => EE_Dependency_Map::load_from_cache,
+				'EEM_Ticket'         => EE_Dependency_Map::load_from_cache,
+				'EEM_Registration'   => EE_Dependency_Map::load_from_cache,
+				'EEM_Transaction'    => EE_Dependency_Map::load_from_cache,
+				'EE_Config'          => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\ExitModal'                                                          => array(
+				'EventEspresso\core\services\assets\Registry' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\PluginUpsells'                                                      => array(
+				'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\caffeinated\modules\recaptcha_invisible\InvisibleRecaptcha'                                    => array(
+				'EE_Registration_Config' => EE_Dependency_Map::load_from_cache,
+				'EE_Session'             => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\caffeinated\modules\recaptcha_invisible\RecaptchaAdminSettings'                                => array(
+				'EE_Registration_Config' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\modules\ticket_selector\ProcessTicketSelector'                                                 => array(
+				'EE_Core_Config'                                                          => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request'                             => EE_Dependency_Map::load_from_cache,
+				'EE_Session'                                                              => EE_Dependency_Map::load_from_cache,
+				'EEM_Ticket'                                                              => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\modules\ticket_selector\TicketDatetimeAvailabilityTracker' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\modules\ticket_selector\TicketDatetimeAvailabilityTracker'                                     => array(
+				'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions'                              => array(
+				'EE_Core_Config'                             => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes'                                => array(
+				'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies'                               => array(
+				'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_CPT_Strategy'                                                                                             => array(
+				'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\loaders\ObjectIdentifier'                                                        => array(
+				'EventEspresso\core\services\loaders\ClassInterfaceCache' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\assets\CoreAssetManager'                                                  => array(
+				'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
+				'EE_Currency_Config'                                 => EE_Dependency_Map::load_from_cache,
+				'EE_Template_Config'                                 => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\Domain'                   => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\assets\Registry'        => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\policy\PrivacyPolicy' => array(
+				'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportAttendee' => array(
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportAttendeeBillingData' => array(
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+				'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportCheckins' => array(
+				'EEM_Checkin' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportRegistration' => array(
+				'EEM_Registration' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportTransaction' => array(
+				'EEM_Transaction' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\erasure\EraseAttendeeData' => array(
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\erasure\EraseAnswers' => array(
+				'EEM_Answer' => EE_Dependency_Map::load_from_cache,
+				'EEM_Question' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\CPTs\CptQueryModifier' => array(
+				null,
+				null,
+				null,
+				'EE_Request_Handler'                          => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\forms\PrivacySettingsFormHandler' => array(
+				'EE_Registry' => EE_Dependency_Map::load_from_cache,
+				'EE_Config' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\services\editor\BlockRegistrationManager'                                                 => array(
+				'EventEspresso\core\services\assets\BlockAssetManagerCollection' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\entities\editor\BlockCollection'      => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request'                    => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\editor\blocks\CoreBlocksAssetManager' => array(
+				'EventEspresso\core\domain\Domain'                   => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\assets\Registry'        => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\editor\blocks\widgets\EventAttendees' => array(
+				'EventEspresso\core\domain\entities\editor\blocks\CoreBlocksAssetManager' => self::load_from_cache,
+				'EventEspresso\core\domain\entities\shortcodes\EspressoEventAttendees' => self::load_from_cache,
+			),
+		);
+	}
+
+
+	/**
+	 * Registers how core classes are loaded.
+	 * This can either be done by simply providing the name of one of the EE_Registry loader methods such as:
+	 *        'EE_Request_Handler' => 'load_core'
+	 *        'EE_Messages_Queue'  => 'load_lib'
+	 *        'EEH_Debug_Tools'    => 'load_helper'
+	 * or, if greater control is required, by providing a custom closure. For example:
+	 *        'Some_Class' => function () {
+	 *            return new Some_Class();
+	 *        },
+	 * This is required for instantiating dependencies
+	 * where an interface has been type hinted in a class constructor. For example:
+	 *        'Required_Interface' => function () {
+	 *            return new A_Class_That_Implements_Required_Interface();
+	 *        },
+	 */
+	protected function _register_core_class_loaders()
+	{
+		// for PHP5.3 compat, we need to register any properties called here in a variable because `$this` cannot
+		// be used in a closure.
+		$request = &$this->request;
+		$response = &$this->response;
+		$legacy_request = &$this->legacy_request;
+		// $loader = &$this->loader;
+		$this->_class_loaders = array(
+			// load_core
+			'EE_Capabilities'                              => 'load_core',
+			'EE_Encryption'                                => 'load_core',
+			'EE_Front_Controller'                          => 'load_core',
+			'EE_Module_Request_Router'                     => 'load_core',
+			'EE_Registry'                                  => 'load_core',
+			'EE_Request'                                   => function () use (&$legacy_request) {
+				return $legacy_request;
+			},
+			'EventEspresso\core\services\request\Request'  => function () use (&$request) {
+				return $request;
+			},
+			'EventEspresso\core\services\request\Response' => function () use (&$response) {
+				return $response;
+			},
+			'EE_Base'                                      => 'load_core',
+			'EE_Request_Handler'                           => 'load_core',
+			'EE_Session'                                   => 'load_core',
+			'EE_Cron_Tasks'                                => 'load_core',
+			'EE_System'                                    => 'load_core',
+			'EE_Maintenance_Mode'                          => 'load_core',
+			'EE_Register_CPTs'                             => 'load_core',
+			'EE_Admin'                                     => 'load_core',
+			'EE_CPT_Strategy'                              => 'load_core',
+			// load_lib
+			'EE_Message_Resource_Manager'                  => 'load_lib',
+			'EE_Message_Type_Collection'                   => 'load_lib',
+			'EE_Message_Type_Collection_Loader'            => 'load_lib',
+			'EE_Messenger_Collection'                      => 'load_lib',
+			'EE_Messenger_Collection_Loader'               => 'load_lib',
+			'EE_Messages_Processor'                        => 'load_lib',
+			'EE_Message_Repository'                        => 'load_lib',
+			'EE_Messages_Queue'                            => 'load_lib',
+			'EE_Messages_Data_Handler_Collection'          => 'load_lib',
+			'EE_Message_Template_Group_Collection'         => 'load_lib',
+			'EE_Payment_Method_Manager'                    => 'load_lib',
+			'EE_Messages_Generator'                        => function () {
+				return EE_Registry::instance()->load_lib(
+					'Messages_Generator',
+					array(),
+					false,
+					false
+				);
+			},
+			'EE_Messages_Template_Defaults'                => function ($arguments = array()) {
+				return EE_Registry::instance()->load_lib(
+					'Messages_Template_Defaults',
+					$arguments,
+					false,
+					false
+				);
+			},
+			// load_helper
+			'EEH_Parse_Shortcodes'                         => function () {
+				if (EE_Registry::instance()->load_helper('Parse_Shortcodes')) {
+					return new EEH_Parse_Shortcodes();
+				}
+				return null;
+			},
+			'EE_Template_Config'                           => function () {
+				return EE_Config::instance()->template_settings;
+			},
+			'EE_Currency_Config'                           => function () {
+				return EE_Config::instance()->currency;
+			},
+			'EE_Registration_Config'                       => function () {
+				return EE_Config::instance()->registration;
+			},
+			'EE_Core_Config'                               => function () {
+				return EE_Config::instance()->core;
+			},
+			'EventEspresso\core\services\loaders\Loader'   => function () {
+				return LoaderFactory::getLoader();
+			},
+			'EE_Network_Config'                            => function () {
+				return EE_Network_Config::instance();
+			},
+			'EE_Config'                                    => function () {
+				return EE_Config::instance();
+			},
+			'EventEspresso\core\domain\Domain'             => function () {
+				return DomainFactory::getEventEspressoCoreDomain();
+			},
+			'EE_Admin_Config'                              => function () {
+				return EE_Config::instance()->admin;
+			},
+		);
+	}
+
+
+	/**
+	 * can be used for supplying alternate names for classes,
+	 * or for connecting interface names to instantiable classes
+	 */
+	protected function _register_core_aliases()
+	{
+		$aliases = array(
+			'CommandBusInterface'                                                          => 'EventEspresso\core\services\commands\CommandBusInterface',
+			'EventEspresso\core\services\commands\CommandBusInterface'                     => 'EventEspresso\core\services\commands\CommandBus',
+			'CommandHandlerManagerInterface'                                               => 'EventEspresso\core\services\commands\CommandHandlerManagerInterface',
+			'EventEspresso\core\services\commands\CommandHandlerManagerInterface'          => 'EventEspresso\core\services\commands\CommandHandlerManager',
+			'CapChecker'                                                                   => 'EventEspresso\core\services\commands\middleware\CapChecker',
+			'AddActionHook'                                                                => 'EventEspresso\core\services\commands\middleware\AddActionHook',
+			'CapabilitiesChecker'                                                          => 'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker',
+			'CapabilitiesCheckerInterface'                                                 => 'EventEspresso\core\domain\services\capabilities\CapabilitiesCheckerInterface',
+			'EventEspresso\core\domain\services\capabilities\CapabilitiesCheckerInterface' => 'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker',
+			'CreateRegistrationService'                                                    => 'EventEspresso\core\domain\services\registration\CreateRegistrationService',
+			'CreateRegistrationCommandHandler'                                             => 'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
+			'CopyRegistrationDetailsCommandHandler'                                        => 'EventEspresso\core\services\commands\registration\CopyRegistrationDetailsCommand',
+			'CopyRegistrationPaymentsCommandHandler'                                       => 'EventEspresso\core\services\commands\registration\CopyRegistrationPaymentsCommand',
+			'CancelRegistrationAndTicketLineItemCommandHandler'                            => 'EventEspresso\core\services\commands\registration\CancelRegistrationAndTicketLineItemCommandHandler',
+			'UpdateRegistrationAndTransactionAfterChangeCommandHandler'                    => 'EventEspresso\core\services\commands\registration\UpdateRegistrationAndTransactionAfterChangeCommandHandler',
+			'CreateTicketLineItemCommandHandler'                                           => 'EventEspresso\core\services\commands\ticket\CreateTicketLineItemCommand',
+			'CreateTransactionCommandHandler'                                              => 'EventEspresso\core\services\commands\transaction\CreateTransactionCommandHandler',
+			'CreateAttendeeCommandHandler'                                                 => 'EventEspresso\core\services\commands\attendee\CreateAttendeeCommandHandler',
+			'TableManager'                                                                 => 'EventEspresso\core\services\database\TableManager',
+			'TableAnalysis'                                                                => 'EventEspresso\core\services\database\TableAnalysis',
+			'EspressoShortcode'                                                            => 'EventEspresso\core\services\shortcodes\EspressoShortcode',
+			'ShortcodeInterface'                                                           => 'EventEspresso\core\services\shortcodes\ShortcodeInterface',
+			'EventEspresso\core\services\shortcodes\ShortcodeInterface'                    => 'EventEspresso\core\services\shortcodes\EspressoShortcode',
+			'EventEspresso\core\services\cache\CacheStorageInterface'                      => 'EventEspresso\core\services\cache\TransientCacheStorage',
+			'LoaderInterface'                                                              => 'EventEspresso\core\services\loaders\LoaderInterface',
+			'EventEspresso\core\services\loaders\LoaderInterface'                          => 'EventEspresso\core\services\loaders\Loader',
+			'CommandFactoryInterface'                                                      => 'EventEspresso\core\services\commands\CommandFactoryInterface',
+			'EventEspresso\core\services\commands\CommandFactoryInterface'                 => 'EventEspresso\core\services\commands\CommandFactory',
+			'EventEspresso\core\domain\services\session\SessionIdentifierInterface'        => 'EE_Session',
+			'EmailValidatorInterface'                                                      => 'EventEspresso\core\domain\services\validation\email\EmailValidatorInterface',
+			'EventEspresso\core\domain\services\validation\email\EmailValidatorInterface'  => 'EventEspresso\core\domain\services\validation\email\EmailValidationService',
+			'NoticeConverterInterface'                                                     => 'EventEspresso\core\services\notices\NoticeConverterInterface',
+			'EventEspresso\core\services\notices\NoticeConverterInterface'                 => 'EventEspresso\core\services\notices\ConvertNoticesToEeErrors',
+			'NoticesContainerInterface'                                                    => 'EventEspresso\core\services\notices\NoticesContainerInterface',
+			'EventEspresso\core\services\notices\NoticesContainerInterface'                => 'EventEspresso\core\services\notices\NoticesContainer',
+			'EventEspresso\core\services\request\RequestInterface'                         => 'EventEspresso\core\services\request\Request',
+			'EventEspresso\core\services\request\ResponseInterface'                        => 'EventEspresso\core\services\request\Response',
+			'EventEspresso\core\domain\DomainInterface'                                    => 'EventEspresso\core\domain\Domain',
+		);
+		foreach ($aliases as $alias => $fqn) {
+			if (is_array($fqn)) {
+				foreach ($fqn as $class => $for_class) {
+					$this->class_cache->addAlias($class, $alias, $for_class);
+				}
+				continue;
+			}
+			$this->class_cache->addAlias($fqn, $alias);
+		}
+		if (! (defined('DOING_AJAX') && DOING_AJAX) && is_admin()) {
+			$this->class_cache->addAlias(
+				'EventEspresso\core\services\notices\ConvertNoticesToAdminNotices',
+				'EventEspresso\core\services\notices\NoticeConverterInterface'
+			);
+		}
+	}
+
+
+	/**
+	 * This is used to reset the internal map and class_loaders to their original default state at the beginning of the
+	 * request Primarily used by unit tests.
+	 */
+	public function reset()
+	{
+		$this->_register_core_class_loaders();
+		$this->_register_core_dependencies();
+	}
+
+
+	/**
+	 * PLZ NOTE: a better name for this method would be is_alias()
+	 * because it returns TRUE if the provided fully qualified name IS an alias
+	 * WHY?
+	 * Because if a class is type hinting for a concretion,
+	 * then why would we need to find another class to supply it?
+	 * ie: if a class asks for `Fully/Qualified/Namespace/SpecificClassName`,
+	 * then give it an instance of `Fully/Qualified/Namespace/SpecificClassName`.
+	 * Don't go looking for some substitute.
+	 * Whereas if a class is type hinting for an interface...
+	 * then we need to find an actual class to use.
+	 * So the interface IS the alias for some other FQN,
+	 * and we need to find out if `Fully/Qualified/Namespace/SomeInterface`
+	 * represents some other class.
+	 *
+	 * @deprecated 4.9.62.p
+	 * @param string $fqn
+	 * @param string $for_class
+	 * @return bool
+	 */
+	public function has_alias($fqn = '', $for_class = '')
+	{
+		return $this->isAlias($fqn, $for_class);
+	}
+
+
+	/**
+	 * PLZ NOTE: a better name for this method would be get_fqn_for_alias()
+	 * because it returns a FQN for provided alias if one exists, otherwise returns the original $alias
+	 * functions recursively, so that multiple aliases can be used to drill down to a FQN
+	 *  for example:
+	 *      if the following two entries were added to the _aliases array:
+	 *          array(
+	 *              'interface_alias'           => 'some\namespace\interface'
+	 *              'some\namespace\interface'  => 'some\namespace\classname'
+	 *          )
+	 *      then one could use EE_Registry::instance()->create( 'interface_alias' )
+	 *      to load an instance of 'some\namespace\classname'
+	 *
+	 * @deprecated 4.9.62.p
+	 * @param string $alias
+	 * @param string $for_class
+	 * @return string
+	 */
+	public function get_alias($alias = '', $for_class = '')
+	{
+		return $this->getFqnForAlias($alias, $for_class);
+	}
 }