eventespresso / event-espresso-core

widgets/upcoming_events/EEW_Upcoming_Events.widget.php

Indentation +11 added lines, -11 removed lines

@@ -210,14 +210,14 @@ 
 		        <?php _e('Show on all Pages:', 'event_espresso'); ?>
 			</label>
 	 	    <?php
-	 	    echo EEH_Form_Fields::select(
-	 	        __('Show on all Pages:', 'event_espresso'),
-	 	        $instance['show_everywhere'],
-	 	        $yes_no_values,
-	 	        $this->get_field_name('show_everywhere'),
-	 	        $this->get_field_id('show_everywhere')
-	 	    );
-	 	    ?>
+	 		echo EEH_Form_Fields::select(
+	 			__('Show on all Pages:', 'event_espresso'),
+	 			$instance['show_everywhere'],
+	 			$yes_no_values,
+	 			$this->get_field_name('show_everywhere'),
+	 			$this->get_field_id('show_everywhere')
+	 		);
+	 		?>
 	 	</p>
 		<p>
 			<label for="<?php echo $this->get_field_id('date_limit'); ?>">
@@ -300,14 +300,14 @@ 
 				extract($args);
 
 				// add function to make the title a link
-	            add_filter('widget_title', array($this, 'make_the_title_a_link'), 15);
+				add_filter('widget_title', array($this, 'make_the_title_a_link'), 15);
 
 				$title = isset( $instance['title'] ) && ! empty( $instance['title'] ) ? $instance['title'] : '';
 				// filter the title
 				$title = apply_filters('widget_title', $title);
 
 				// remove the function from the filter, so it does not affect other widgets
-	            remove_filter('widget_title', array($this, 'make_the_title_a_link'), 15);
+				remove_filter('widget_title', array($this, 'make_the_title_a_link'), 15);
 
 				// Before widget (defined by themes).
 				echo $before_widget;
@@ -419,7 +419,7 @@ 
 	 * @return string
 	 */
 	public function make_the_title_a_link($title) {
-	    return '<a href="' . EEH_Event_View::event_archive_url() . '">' . $title . '</a>';
+		return '<a href="' . EEH_Event_View::event_archive_url() . '">' . $title . '</a>';
 	}
 
 }

Spacing +81 added lines, -81 removed lines

@@ -31,8 +31,8 @@ 
 	 */
 	public function __construct() {
 		parent::__construct(
-			__( 'Event Espresso Upcoming Events', 'event_espresso' ),
-			 array( 'description' => __( 'A widget to display your upcoming events.', 'event_espresso' ))
+			__('Event Espresso Upcoming Events', 'event_espresso'),
+			 array('description' => __('A widget to display your upcoming events.', 'event_espresso'))
 		);
 	}
 
@@ -45,9 +45,9 @@ 
 	 * @param array $instance Previously saved values from database.
 	 * @return string|void
 	 */
-	public function form( $instance ) {
+	public function form($instance) {
 
-		EE_Registry::instance()->load_class( 'Question_Option', array(), FALSE, FALSE, TRUE );
+		EE_Registry::instance()->load_class('Question_Option', array(), FALSE, FALSE, TRUE);
 		// Set up some default widget settings.
 		$defaults = array(
 			'title' => __('Upcoming Events', 'event_espresso'),
@@ -63,16 +63,16 @@ 
 			'image_size' => 'medium'
 		);
 
-		$instance = wp_parse_args( (array) $instance, $defaults );
+		$instance = wp_parse_args((array) $instance, $defaults);
 		// don't add HTML labels for EE_Form_Fields generated inputs
-		add_filter( 'FHEE__EEH_Form_Fields__label_html', '__return_empty_string' );
+		add_filter('FHEE__EEH_Form_Fields__label_html', '__return_empty_string');
 		$yes_no_values = array(
-			EE_Question_Option::new_instance( array( 'QSO_value' => FALSE, 'QSO_desc' => __('No', 'event_espresso'))),
-			EE_Question_Option::new_instance( array( 'QSO_value' => TRUE, 'QSO_desc' => __('Yes', 'event_espresso')))
+			EE_Question_Option::new_instance(array('QSO_value' => FALSE, 'QSO_desc' => __('No', 'event_espresso'))),
+			EE_Question_Option::new_instance(array('QSO_value' => TRUE, 'QSO_desc' => __('Yes', 'event_espresso')))
 		);
 		$sort_values = array(
-			EE_Question_Option::new_instance( array( 'QSO_value' => 'ASC', 'QSO_desc' => __('ASC', 'event_espresso'))),
-			EE_Question_Option::new_instance( array( 'QSO_value' => 'DESC', 'QSO_desc' => __('DESC', 'event_espresso')))
+			EE_Question_Option::new_instance(array('QSO_value' => 'ASC', 'QSO_desc' => __('ASC', 'event_espresso'))),
+			EE_Question_Option::new_instance(array('QSO_value' => 'DESC', 'QSO_desc' => __('DESC', 'event_espresso')))
 		);
 
 	?>
@@ -83,7 +83,7 @@ 
 			<label for="<?php echo $this->get_field_id('title'); ?>">
 				<?php _e('Title:', 'event_espresso'); ?>
 			</label>
-			<input id="<?php echo $this->get_field_id('title'); ?>" class="widefat" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" type="text" />
+			<input id="<?php echo $this->get_field_id('title'); ?>" class="widefat" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo esc_attr($instance['title']); ?>" type="text" />
 		</p>
 		<p>
 			<label for="<?php echo $this->get_field_id('category_name'); ?>">
@@ -92,16 +92,16 @@ 
 			<?php
 			$event_categories = array();
 			/** @type EEM_Term $EEM_Term */
-			$EEM_Term = EE_Registry::instance()->load_model( 'Term' );
-			$categories = $EEM_Term->get_all_ee_categories( TRUE );
-			if ( $categories ) {
-				foreach ( $categories as $category ) {
-					if ( $category instanceof EE_Term ) {
-						$event_categories[] = EE_Question_Option::new_instance( array( 'QSO_value' => $category->get( 'slug' ), 'QSO_desc' => $category->get( 'name' )));
+			$EEM_Term = EE_Registry::instance()->load_model('Term');
+			$categories = $EEM_Term->get_all_ee_categories(TRUE);
+			if ($categories) {
+				foreach ($categories as $category) {
+					if ($category instanceof EE_Term) {
+						$event_categories[] = EE_Question_Option::new_instance(array('QSO_value' => $category->get('slug'), 'QSO_desc' => $category->get('name')));
 					}
 				}
 			}
-			array_unshift( $event_categories, EE_Question_Option::new_instance( array( 'QSO_value' => '', 'QSO_desc' => __(' - display all - ', 'event_espresso'))));
+			array_unshift($event_categories, EE_Question_Option::new_instance(array('QSO_value' => '', 'QSO_desc' => __(' - display all - ', 'event_espresso'))));
 			echo EEH_Form_Fields::select(
 				 __('Event Category:', 'event_espresso'),
 				$instance['category_name'],
@@ -126,9 +126,9 @@ 
 				 __('Show Expired Events:', 'event_espresso'),
 				$instance['show_expired'],
 				array(
-					EE_Question_Option::new_instance( array( 'QSO_value' => 0, 'QSO_desc' => __('No', 'event_espresso'))), 
-					EE_Question_Option::new_instance( array( 'QSO_value' => 1, 'QSO_desc' => __('Yes', 'event_espresso'))), 
-					EE_Question_Option::new_instance( array( 'QSO_value' => 2, 'QSO_desc' => __('Show Only Expired', 'event_espresso'))), 
+					EE_Question_Option::new_instance(array('QSO_value' => 0, 'QSO_desc' => __('No', 'event_espresso'))), 
+					EE_Question_Option::new_instance(array('QSO_value' => 1, 'QSO_desc' => __('Yes', 'event_espresso'))), 
+					EE_Question_Option::new_instance(array('QSO_value' => 2, 'QSO_desc' => __('Show Only Expired', 'event_espresso'))), 
 				),
 				$this->get_field_name('show_expired'),
 				$this->get_field_id('show_expired')
@@ -156,16 +156,16 @@ 
 			<?php
 			$image_sizes = array();
 			$sizes = get_intermediate_image_sizes();
-			if ( $sizes ) {
+			if ($sizes) {
 				// loop thru images and create option objects out of them
-				foreach ( $sizes as $image_size ) {
-					$image_size = trim( $image_size );
+				foreach ($sizes as $image_size) {
+					$image_size = trim($image_size);
 					// no big images plz
-					if ( ! in_array( $image_size, array( 'large', 'post-thumbnail' ))) {
-						$image_sizes[] = EE_Question_Option::new_instance( array( 'QSO_value' => $image_size, 'QSO_desc' => $image_size ));
+					if ( ! in_array($image_size, array('large', 'post-thumbnail'))) {
+						$image_sizes[] = EE_Question_Option::new_instance(array('QSO_value' => $image_size, 'QSO_desc' => $image_size));
 					}
 				}
-				$image_sizes[] = EE_Question_Option::new_instance( array( 'QSO_value' => 'none', 'QSO_desc' =>  __('don\'t show images', 'event_espresso') ));
+				$image_sizes[] = EE_Question_Option::new_instance(array('QSO_value' => 'none', 'QSO_desc' =>  __('don\'t show images', 'event_espresso')));
 			}
 			echo EEH_Form_Fields::select(
 				 __('Image Size:', 'event_espresso'),
@@ -223,7 +223,7 @@ 
 			<label for="<?php echo $this->get_field_id('date_limit'); ?>">
 				<?php _e('Number of Dates to Display:', 'event_espresso'); ?>
 			</label>
-			<input id="<?php echo $this->get_field_id('date_limit'); ?>" name="<?php echo $this->get_field_name('date_limit'); ?>" value="<?php echo esc_attr( $instance['date_limit'] ); ?>" size="3" type="text" />
+			<input id="<?php echo $this->get_field_id('date_limit'); ?>" name="<?php echo $this->get_field_name('date_limit'); ?>" value="<?php echo esc_attr($instance['date_limit']); ?>" size="3" type="text" />
 		</p>
 		<p>
 			<label for="<?php echo $this->get_field_id('date_range'); ?>">
@@ -255,9 +255,9 @@ 
 	 *
 	 * @return array Updated safe values to be saved.
 	 */
-	public function update( $new_instance, $old_instance ) {
+	public function update($new_instance, $old_instance) {
 		$instance = $old_instance;
-		$instance['title'] = ! empty( $new_instance['title'] ) ? strip_tags( $new_instance['title'] ) : '';
+		$instance['title'] = ! empty($new_instance['title']) ? strip_tags($new_instance['title']) : '';
 		$instance['category_name'] = $new_instance['category_name'];
 		$instance['show_expired'] = $new_instance['show_expired'];
 		$instance['limit'] = $new_instance['limit'];
@@ -281,18 +281,18 @@ 
 	 * @param array $args     Widget arguments.
 	 * @param array $instance Saved values from database.
 	 */
-	public function widget( $args, $instance ) {
+	public function widget($args, $instance) {
 
 		global $post;
 		// make sure there is some kinda post object
-		if ( $post instanceof WP_Post ) {
+		if ($post instanceof WP_Post) {
 			$before_widget = '';
 			$before_title = '';
 			$after_title = '';
 			$after_widget = '';
 			// but NOT an events archives page, cuz that would be like two event lists on the same page
-			$show_everywhere = isset( $instance['show_everywhere'] ) ? (bool) absint( $instance['show_everywhere'] ) : TRUE;
-			if ( $show_everywhere || ! ( $post->post_type == 'espresso_events' && is_archive() )) {
+			$show_everywhere = isset($instance['show_everywhere']) ? (bool) absint($instance['show_everywhere']) : TRUE;
+			if ($show_everywhere || ! ($post->post_type == 'espresso_events' && is_archive())) {
 				// let's use some of the event helper functions'
 				// make separate vars out of attributes
 
@@ -302,7 +302,7 @@ 
 				// add function to make the title a link
 	            add_filter('widget_title', array($this, 'make_the_title_a_link'), 15);
 
-				$title = isset( $instance['title'] ) && ! empty( $instance['title'] ) ? $instance['title'] : '';
+				$title = isset($instance['title']) && ! empty($instance['title']) ? $instance['title'] : '';
 				// filter the title
 				$title = apply_filters('widget_title', $title);
 
@@ -312,90 +312,90 @@ 
 				// Before widget (defined by themes).
 				echo $before_widget;
 				// Display the widget title if one was input (before and after defined by themes).
-				if ( ! empty( $title )) {
-					echo $before_title . $title . $after_title;
+				if ( ! empty($title)) {
+					echo $before_title.$title.$after_title;
 				}
 				// grab widget settings
-				$category = isset( $instance['category_name'] ) && ! empty( $instance['category_name'] ) ? $instance['category_name'] : FALSE;
-				$show_expired = isset( $instance['show_expired'] ) ? absint( $instance['show_expired'] ) : 0;
-				$image_size = isset( $instance['image_size'] ) && ! empty( $instance['image_size'] ) ? $instance['image_size'] : 'medium';
-				$show_desc = isset( $instance['show_desc'] ) ? (bool) absint( $instance['show_desc'] ) : TRUE;
-				$show_dates = isset( $instance['show_dates'] ) ? (bool) absint( $instance['show_dates'] ) : TRUE;
-				$date_limit = isset( $instance['date_limit'] ) && ! empty( $instance['date_limit'] ) ? $instance['date_limit'] : NULL;
-				$date_range = isset( $instance['date_range'] ) && ! empty( $instance['date_range'] ) ? $instance['date_range'] : FALSE;
+				$category = isset($instance['category_name']) && ! empty($instance['category_name']) ? $instance['category_name'] : FALSE;
+				$show_expired = isset($instance['show_expired']) ? absint($instance['show_expired']) : 0;
+				$image_size = isset($instance['image_size']) && ! empty($instance['image_size']) ? $instance['image_size'] : 'medium';
+				$show_desc = isset($instance['show_desc']) ? (bool) absint($instance['show_desc']) : TRUE;
+				$show_dates = isset($instance['show_dates']) ? (bool) absint($instance['show_dates']) : TRUE;
+				$date_limit = isset($instance['date_limit']) && ! empty($instance['date_limit']) ? $instance['date_limit'] : NULL;
+				$date_range = isset($instance['date_range']) && ! empty($instance['date_range']) ? $instance['date_range'] : FALSE;
 				// start to build our where clause
 				$where = array(
 //					'Datetime.DTT_is_primary' => 1,
-					'status' => array( 'IN', array( 'publish', 'sold_out' ) )
+					'status' => array('IN', array('publish', 'sold_out'))
 				);
 				// add category
-				if ( $category ) {
+				if ($category) {
 					$where['Term_Taxonomy.taxonomy'] = 'espresso_event_categories';
 					$where['Term_Taxonomy.Term.slug'] = $category;
 				}
 				// if NOT expired then we want events that start today or in the future
 				// if NOT show expired then we want events that start today or in the future 
-				if ( $show_expired == 0 ) { 
-				 	$where['Datetime.DTT_EVT_end'] = array( '>=', EEM_Datetime::instance()->current_time_for_query( 'DTT_EVT_end' ) ); 
+				if ($show_expired == 0) { 
+				 	$where['Datetime.DTT_EVT_end'] = array('>=', EEM_Datetime::instance()->current_time_for_query('DTT_EVT_end')); 
 				} 
 				// if show ONLY expired we want events that ended prior to today 
-				if ( $show_expired == 2 ) { 
-					$where['Datetime.DTT_EVT_end'] = array( '<=', EEM_Datetime::instance()->current_time_for_query( 'DTT_EVT_start' ) ); 
+				if ($show_expired == 2) { 
+					$where['Datetime.DTT_EVT_end'] = array('<=', EEM_Datetime::instance()->current_time_for_query('DTT_EVT_start')); 
 				}
 				// allow $where to be filtered
-				$where = apply_filters( 'FHEE__EEW_Upcoming_Events__widget__where', $where, $category, $show_expired );
+				$where = apply_filters('FHEE__EEW_Upcoming_Events__widget__where', $where, $category, $show_expired);
 				// run the query
-				$events = EE_Registry::instance()->load_model( 'Event' )->get_all( array(
+				$events = EE_Registry::instance()->load_model('Event')->get_all(array(
 					$where,
 					'limit' => isset($instance['limit']) && $instance['limit'] > 0 
-								? '0,' . $instance['limit'] 
+								? '0,'.$instance['limit'] 
 								: '0,10',
 					'order_by' => 'Datetime.DTT_EVT_start',
 					'order' => isset($instance['sort']) ? $instance['sort'] : 'ASC',
 					'group_by' => 'EVT_ID'
 				));
 
-				if ( ! empty( $events )) {
+				if ( ! empty($events)) {
 					echo '<ul class="ee-upcoming-events-widget-ul">';
-					foreach ( $events as $event ) {
-						if ( $event instanceof EE_Event && ( !is_single() || $post->ID != $event->ID() ) ) {
+					foreach ($events as $event) {
+						if ($event instanceof EE_Event && ( ! is_single() || $post->ID != $event->ID())) {
 							//printr( $event, '$event  <br /><span style="font-size:10px;font-weight:normal;">' . __FILE__ . '<br />line no: ' . __LINE__ . '</span>', 'auto' );
-							echo '<li id="ee-upcoming-events-widget-li-' . $event->ID() . '" class="ee-upcoming-events-widget-li">';
+							echo '<li id="ee-upcoming-events-widget-li-'.$event->ID().'" class="ee-upcoming-events-widget-li">';
 							// how big is the event name ?
-							$name_length = strlen( $event->name() );
-							switch( $name_length ) {
+							$name_length = strlen($event->name());
+							switch ($name_length) {
 								case $name_length > 70 :
-									$len_class =  ' three-line';
+									$len_class = ' three-line';
 									break;
 								case $name_length > 35 :
-									$len_class =  ' two-line';
+									$len_class = ' two-line';
 									break;
 								default :
-									$len_class =  ' one-line';
+									$len_class = ' one-line';
 							}
-							$event_url = apply_filters( 'FHEE_EEW_Upcoming_Events__widget__event_url', $event->get_permalink(), $event );
-							echo '<h5 class="ee-upcoming-events-widget-title-h5"><a class="ee-widget-event-name-a' . $len_class . '" href="' . $event_url . '">' . $event->name() . '</a></h5>';
-							if ( post_password_required( $event->ID() ) ) {
-								$pswd_form = apply_filters( 'FHEE_EEW_Upcoming_Events__widget__password_form', get_the_password_form( $event->ID() ), $event );
+							$event_url = apply_filters('FHEE_EEW_Upcoming_Events__widget__event_url', $event->get_permalink(), $event);
+							echo '<h5 class="ee-upcoming-events-widget-title-h5"><a class="ee-widget-event-name-a'.$len_class.'" href="'.$event_url.'">'.$event->name().'</a></h5>';
+							if (post_password_required($event->ID())) {
+								$pswd_form = apply_filters('FHEE_EEW_Upcoming_Events__widget__password_form', get_the_password_form($event->ID()), $event);
 								echo $pswd_form;
 							} else {
-								if ( has_post_thumbnail( $event->ID() ) && $image_size != 'none' ) {
-									echo '<div class="ee-upcoming-events-widget-img-dv"><a class="ee-upcoming-events-widget-img" href="' . $event_url . '">' . get_the_post_thumbnail( $event->ID(), $image_size ) . '</a></div>';
+								if (has_post_thumbnail($event->ID()) && $image_size != 'none') {
+									echo '<div class="ee-upcoming-events-widget-img-dv"><a class="ee-upcoming-events-widget-img" href="'.$event_url.'">'.get_the_post_thumbnail($event->ID(), $image_size).'</a></div>';
 								}
-								$desc = $event->short_description( 25 );
-								if ( $show_dates ) {
-									$date_format = apply_filters( 'FHEE__espresso_event_date_range__date_format', get_option( 'date_format' ));
-									$time_format = apply_filters( 'FHEE__espresso_event_date_range__time_format', get_option( 'time_format' ));
-									$single_date_format = apply_filters( 'FHEE__espresso_event_date_range__single_date_format', get_option( 'date_format' ));
-									$single_time_format = apply_filters( 'FHEE__espresso_event_date_range__single_time_format', get_option( 'time_format' ));
-									if ( $date_range == TRUE ) {
-										echo espresso_event_date_range( $date_format, $time_format, $single_date_format, $single_time_format, $event->ID() );
-									}else{
-										echo espresso_list_of_event_dates( $event->ID(), $date_format, $time_format, FALSE, NULL, TRUE, TRUE, $date_limit );
+								$desc = $event->short_description(25);
+								if ($show_dates) {
+									$date_format = apply_filters('FHEE__espresso_event_date_range__date_format', get_option('date_format'));
+									$time_format = apply_filters('FHEE__espresso_event_date_range__time_format', get_option('time_format'));
+									$single_date_format = apply_filters('FHEE__espresso_event_date_range__single_date_format', get_option('date_format'));
+									$single_time_format = apply_filters('FHEE__espresso_event_date_range__single_time_format', get_option('time_format'));
+									if ($date_range == TRUE) {
+										echo espresso_event_date_range($date_format, $time_format, $single_date_format, $single_time_format, $event->ID());
+									} else {
+										echo espresso_list_of_event_dates($event->ID(), $date_format, $time_format, FALSE, NULL, TRUE, TRUE, $date_limit);
 									}
 								}
-								if ( $show_desc && $desc ) {
-									echo '<p style="margin-top: .5em">' . $desc . '</p>';
+								if ($show_desc && $desc) {
+									echo '<p style="margin-top: .5em">'.$desc.'</p>';
 								}
 							}
 							echo '</li>';
@@ -419,7 +419,7 @@ 
 	 * @return string
 	 */
 	public function make_the_title_a_link($title) {
-	    return '<a href="' . EEH_Event_View::event_archive_url() . '">' . $title . '</a>';
+	    return '<a href="'.EEH_Event_View::event_archive_url().'">'.$title.'</a>';
 	}
 
 }

core/EE_Config.core.php

Indentation +3092 added lines, -3092 removed lines

@@ -17,2474 +17,2474 @@ 
 final class EE_Config implements ResettableInterface
 {
 
-    const OPTION_NAME        = 'ee_config';
+	const OPTION_NAME        = 'ee_config';
+
+	const LOG_NAME           = 'ee_config_log';
+
+	const LOG_LENGTH         = 100;
+
+	const ADDON_OPTION_NAMES = 'ee_config_option_names';
+
+
+	/**
+	 *    instance of the EE_Config object
+	 *
+	 * @var    EE_Config $_instance
+	 * @access    private
+	 */
+	private static $_instance;
+
+	/**
+	 * @var boolean $_logging_enabled
+	 */
+	private static $_logging_enabled = false;
+
+	/**
+	 * @var LegacyShortcodesManager $legacy_shortcodes_manager
+	 */
+	private $legacy_shortcodes_manager;
+
+	/**
+	 * An StdClass whose property names are addon slugs,
+	 * and values are their config classes
+	 *
+	 * @var StdClass
+	 */
+	public $addons;
+
+	/**
+	 * @var EE_Admin_Config
+	 */
+	public $admin;
+
+	/**
+	 * @var EE_Core_Config
+	 */
+	public $core;
+
+	/**
+	 * @var EE_Currency_Config
+	 */
+	public $currency;
+
+	/**
+	 * @var EE_Organization_Config
+	 */
+	public $organization;
+
+	/**
+	 * @var EE_Registration_Config
+	 */
+	public $registration;
+
+	/**
+	 * @var EE_Template_Config
+	 */
+	public $template_settings;
+
+	/**
+	 * Holds EE environment values.
+	 *
+	 * @var EE_Environment_Config
+	 */
+	public $environment;
+
+	/**
+	 * settings pertaining to Google maps
+	 *
+	 * @var EE_Map_Config
+	 */
+	public $map_settings;
+
+	/**
+	 * settings pertaining to Taxes
+	 *
+	 * @var EE_Tax_Config
+	 */
+	public $tax_settings;
+
+
+	/**
+	 * Settings pertaining to global messages settings.
+	 *
+	 * @var EE_Messages_Config
+	 */
+	public $messages;
+
+	/**
+	 * @deprecated
+	 * @var EE_Gateway_Config
+	 */
+	public $gateway;
+
+	/**
+	 * @var    array $_addon_option_names
+	 * @access    private
+	 */
+	private $_addon_option_names = array();
+
+	/**
+	 * @var    array $_module_route_map
+	 * @access    private
+	 */
+	private static $_module_route_map = array();
+
+	/**
+	 * @var    array $_module_forward_map
+	 * @access    private
+	 */
+	private static $_module_forward_map = array();
+
+	/**
+	 * @var    array $_module_view_map
+	 * @access    private
+	 */
+	private static $_module_view_map = array();
+
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @access    public
+	 * @return EE_Config instance
+	 */
+	public static function instance()
+	{
+		// check if class object is instantiated, and instantiated properly
+		if (! self::$_instance instanceof EE_Config) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+
+
+	/**
+	 * Resets the config
+	 *
+	 * @param bool    $hard_reset    if TRUE, sets EE_CONFig back to its original settings in the database. If FALSE
+	 *                               (default) leaves the database alone, and merely resets the EE_Config object to
+	 *                               reflect its state in the database
+	 * @param boolean $reinstantiate if TRUE (default) call instance() and return it. Otherwise, just leave
+	 *                               $_instance as NULL. Useful in case you want to forget about the old instance on
+	 *                               EE_Config, but might not be ready to instantiate EE_Config currently (eg if the
+	 *                               site was put into maintenance mode)
+	 * @return EE_Config
+	 */
+	public static function reset($hard_reset = false, $reinstantiate = true)
+	{
+		if (self::$_instance instanceof EE_Config) {
+			if ($hard_reset) {
+				self::$_instance->legacy_shortcodes_manager = null;
+				self::$_instance->_addon_option_names = array();
+				self::$_instance->_initialize_config();
+				self::$_instance->update_espresso_config();
+			}
+			self::$_instance->update_addon_option_names();
+		}
+		self::$_instance = null;
+		//we don't need to reset the static properties imo because those should
+		//only change when a module is added or removed. Currently we don't
+		//support removing a module during a request when it previously existed
+		if ($reinstantiate) {
+			return self::instance();
+		} else {
+			return null;
+		}
+	}
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    private
+	 */
+	private function __construct()
+	{
+		do_action('AHEE__EE_Config__construct__begin', $this);
+		EE_Config::$_logging_enabled = apply_filters('FHEE__EE_Config___construct__logging_enabled', false);
+		// setup empty config classes
+		$this->_initialize_config();
+		// load existing EE site settings
+		$this->_load_core_config();
+		// confirm everything loaded correctly and set filtered defaults if not
+		$this->_verify_config();
+		//  register shortcodes and modules
+		add_action(
+			'AHEE__EE_System__register_shortcodes_modules_and_widgets',
+			array($this, 'register_shortcodes_and_modules'),
+			999
+		);
+		//  initialize shortcodes and modules
+		add_action('AHEE__EE_System__core_loaded_and_ready', array($this, 'initialize_shortcodes_and_modules'));
+		// register widgets
+		add_action('widgets_init', array($this, 'widgets_init'), 10);
+		// shutdown
+		add_action('shutdown', array($this, 'shutdown'), 10);
+		// construct__end hook
+		do_action('AHEE__EE_Config__construct__end', $this);
+		// hardcoded hack
+		$this->template_settings->current_espresso_theme = 'Espresso_Arabica_2014';
+	}
+
+
+
+	/**
+	 * @return boolean
+	 */
+	public static function logging_enabled()
+	{
+		return self::$_logging_enabled;
+	}
+
+
+
+	/**
+	 * use to get the current theme if needed from static context
+	 *
+	 * @return string current theme set.
+	 */
+	public static function get_current_theme()
+	{
+		return isset(self::$_instance->template_settings->current_espresso_theme)
+			? self::$_instance->template_settings->current_espresso_theme : 'Espresso_Arabica_2014';
+	}
+
+
+
+	/**
+	 *        _initialize_config
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _initialize_config()
+	{
+		EE_Config::trim_log();
+		//set defaults
+		$this->_addon_option_names = get_option(EE_Config::ADDON_OPTION_NAMES, array());
+		$this->addons = new stdClass();
+		// set _module_route_map
+		EE_Config::$_module_route_map = array();
+		// set _module_forward_map
+		EE_Config::$_module_forward_map = array();
+		// set _module_view_map
+		EE_Config::$_module_view_map = array();
+	}
+
+
+
+	/**
+	 *        load core plugin configuration
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _load_core_config()
+	{
+		// load_core_config__start hook
+		do_action('AHEE__EE_Config___load_core_config__start', $this);
+		$espresso_config = $this->get_espresso_config();
+		foreach ($espresso_config as $config => $settings) {
+			// load_core_config__start hook
+			$settings = apply_filters(
+				'FHEE__EE_Config___load_core_config__config_settings',
+				$settings,
+				$config,
+				$this
+			);
+			if (is_object($settings) && property_exists($this, $config)) {
+				$this->{$config} = apply_filters('FHEE__EE_Config___load_core_config__' . $config, $settings);
+				//call configs populate method to ensure any defaults are set for empty values.
+				if (method_exists($settings, 'populate')) {
+					$this->{$config}->populate();
+				}
+				if (method_exists($settings, 'do_hooks')) {
+					$this->{$config}->do_hooks();
+				}
+			}
+		}
+		if (apply_filters('FHEE__EE_Config___load_core_config__update_espresso_config', false)) {
+			$this->update_espresso_config();
+		}
+		// load_core_config__end hook
+		do_action('AHEE__EE_Config___load_core_config__end', $this);
+	}
+
+
+
+	/**
+	 *    _verify_config
+	 *
+	 * @access    protected
+	 * @return    void
+	 */
+	protected function _verify_config()
+	{
+		$this->core = $this->core instanceof EE_Core_Config
+			? $this->core
+			: new EE_Core_Config();
+		$this->core = apply_filters('FHEE__EE_Config___initialize_config__core', $this->core);
+		$this->organization = $this->organization instanceof EE_Organization_Config
+			? $this->organization
+			: new EE_Organization_Config();
+		$this->organization = apply_filters(
+			'FHEE__EE_Config___initialize_config__organization',
+			$this->organization
+		);
+		$this->currency = $this->currency instanceof EE_Currency_Config
+			? $this->currency
+			: new EE_Currency_Config();
+		$this->currency = apply_filters('FHEE__EE_Config___initialize_config__currency', $this->currency);
+		$this->registration = $this->registration instanceof EE_Registration_Config
+			? $this->registration
+			: new EE_Registration_Config();
+		$this->registration = apply_filters(
+			'FHEE__EE_Config___initialize_config__registration',
+			$this->registration
+		);
+		$this->admin = $this->admin instanceof EE_Admin_Config
+			? $this->admin
+			: new EE_Admin_Config();
+		$this->admin = apply_filters('FHEE__EE_Config___initialize_config__admin', $this->admin);
+		$this->template_settings = $this->template_settings instanceof EE_Template_Config
+			? $this->template_settings
+			: new EE_Template_Config();
+		$this->template_settings = apply_filters(
+			'FHEE__EE_Config___initialize_config__template_settings',
+			$this->template_settings
+		);
+		$this->map_settings = $this->map_settings instanceof EE_Map_Config
+			? $this->map_settings
+			: new EE_Map_Config();
+		$this->map_settings = apply_filters('FHEE__EE_Config___initialize_config__map_settings',
+			$this->map_settings);
+		$this->environment = $this->environment instanceof EE_Environment_Config
+			? $this->environment
+			: new EE_Environment_Config();
+		$this->environment = apply_filters('FHEE__EE_Config___initialize_config__environment',
+			$this->environment);
+		$this->tax_settings = $this->tax_settings instanceof EE_Tax_Config
+			? $this->tax_settings
+			: new EE_Tax_Config();
+		$this->tax_settings = apply_filters('FHEE__EE_Config___initialize_config__tax_settings',
+			$this->tax_settings);
+		$this->messages = apply_filters('FHEE__EE_Config__initialize_config__messages', $this->messages);
+		$this->messages = $this->messages instanceof EE_Messages_Config
+			? $this->messages
+			: new EE_Messages_Config();
+		$this->gateway = $this->gateway instanceof EE_Gateway_Config
+			? $this->gateway
+			: new EE_Gateway_Config();
+		$this->gateway = apply_filters('FHEE__EE_Config___initialize_config__gateway', $this->gateway);
+		$this->legacy_shortcodes_manager = null;
+	}
+
+
+	/**
+	 *    get_espresso_config
+	 *
+	 * @access    public
+	 * @return    array of espresso config stuff
+	 */
+	public function get_espresso_config()
+	{
+		// grab espresso configuration
+		return apply_filters(
+			'FHEE__EE_Config__get_espresso_config__CFG',
+			get_option(EE_Config::OPTION_NAME, array())
+		);
+	}
+
+
+
+	/**
+	 *    double_check_config_comparison
+	 *
+	 * @access    public
+	 * @param string $option
+	 * @param        $old_value
+	 * @param        $value
+	 */
+	public function double_check_config_comparison($option = '', $old_value, $value)
+	{
+		// make sure we're checking the ee config
+		if ($option === EE_Config::OPTION_NAME) {
+			// run a loose comparison of the old value against the new value for type and properties,
+			// but NOT exact instance like WP update_option does (ie: NOT type safe comparison)
+			if ($value != $old_value) {
+				// if they are NOT the same, then remove the hook,
+				// which means the subsequent update results will be based solely on the update query results
+				// the reason we do this is because, as stated above,
+				// WP update_option performs an exact instance comparison (===) on any update values passed to it
+				// this happens PRIOR to serialization and any subsequent update.
+				// If values are found to match their previous old value,
+				// then WP bails before performing any update.
+				// Since we are passing the EE_Config object, it is comparing the EXACT instance of the saved version
+				// it just pulled from the db, with the one being passed to it (which will not match).
+				// HOWEVER, once the object is serialized and passed off to MySQL to update,
+				// MySQL MAY ALSO NOT perform the update because
+				// the string it sees in the db looks the same as the new one it has been passed!!!
+				// This results in the query returning an "affected rows" value of ZERO,
+				// which gets returned immediately by WP update_option and looks like an error.
+				remove_action('update_option', array($this, 'check_config_updated'));
+			}
+		}
+	}
+
+
+
+	/**
+	 *    update_espresso_config
+	 *
+	 * @access   public
+	 */
+	protected function _reset_espresso_addon_config()
+	{
+		$this->_addon_option_names = array();
+		foreach ($this->addons as $addon_name => $addon_config_obj) {
+			$addon_config_obj = maybe_unserialize($addon_config_obj);
+			if ($addon_config_obj instanceof EE_Config_Base) {
+				$this->update_config('addons', $addon_name, $addon_config_obj, false);
+			}
+			$this->addons->{$addon_name} = null;
+		}
+	}
+
+
+
+	/**
+	 *    update_espresso_config
+	 *
+	 * @access   public
+	 * @param   bool $add_success
+	 * @param   bool $add_error
+	 * @return   bool
+	 */
+	public function update_espresso_config($add_success = false, $add_error = true)
+	{
+		// don't allow config updates during WP heartbeats
+		if (\EE_Registry::instance()->REQ->get('action', '') === 'heartbeat') {
+			return false;
+		}
+		// commented out the following re: https://events.codebasehq.com/projects/event-espresso/tickets/8197
+		//$clone = clone( self::$_instance );
+		//self::$_instance = NULL;
+		do_action('AHEE__EE_Config__update_espresso_config__begin', $this);
+		$this->_reset_espresso_addon_config();
+		// hook into update_option because that happens AFTER the ( $value === $old_value ) conditional
+		// but BEFORE the actual update occurs
+		add_action('update_option', array($this, 'double_check_config_comparison'), 1, 3);
+		// don't want to persist legacy_shortcodes_manager, but don't want to lose it either
+		$legacy_shortcodes_manager = $this->legacy_shortcodes_manager;
+		$this->legacy_shortcodes_manager = null;
+		// now update "ee_config"
+		$saved = update_option(EE_Config::OPTION_NAME, $this);
+		$this->legacy_shortcodes_manager = $legacy_shortcodes_manager;
+		EE_Config::log(EE_Config::OPTION_NAME);
+		// if not saved... check if the hook we just added still exists;
+		// if it does, it means one of two things:
+		// 		that update_option bailed at the ( $value === $old_value ) conditional,
+		//		 or...
+		// 		the db update query returned 0 rows affected
+		// 		(probably because the data  value was the same from it's perspective)
+		// so the existence of the hook means that a negative result from update_option is NOT an error,
+		// but just means no update occurred, so don't display an error to the user.
+		// BUT... if update_option returns FALSE, AND the hook is missing,
+		// then it means that something truly went wrong
+		$saved = ! $saved ? has_action('update_option', array($this, 'double_check_config_comparison')) : $saved;
+		// remove our action since we don't want it in the system anymore
+		remove_action('update_option', array($this, 'double_check_config_comparison'), 1);
+		do_action('AHEE__EE_Config__update_espresso_config__end', $this, $saved);
+		//self::$_instance = $clone;
+		//unset( $clone );
+		// if config remains the same or was updated successfully
+		if ($saved) {
+			if ($add_success) {
+				EE_Error::add_success(
+					__('The Event Espresso Configuration Settings have been successfully updated.', 'event_espresso'),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+			return true;
+		} else {
+			if ($add_error) {
+				EE_Error::add_error(
+					__('The Event Espresso Configuration Settings were not updated.', 'event_espresso'),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+			return false;
+		}
+	}
+
+
+
+	/**
+	 *    _verify_config_params
+	 *
+	 * @access    private
+	 * @param    string         $section
+	 * @param    string         $name
+	 * @param    string         $config_class
+	 * @param    EE_Config_Base $config_obj
+	 * @param    array          $tests_to_run
+	 * @param    bool           $display_errors
+	 * @return    bool    TRUE on success, FALSE on fail
+	 */
+	private function _verify_config_params(
+		$section = '',
+		$name = '',
+		$config_class = '',
+		$config_obj = null,
+		$tests_to_run = array(1, 2, 3, 4, 5, 6, 7, 8),
+		$display_errors = true
+	) {
+		try {
+			foreach ($tests_to_run as $test) {
+				switch ($test) {
+					// TEST #1 : check that section was set
+					case 1 :
+						if (empty($section)) {
+							if ($display_errors) {
+								throw new EE_Error(
+									sprintf(
+										__(
+											'No configuration section has been provided while attempting to save "%s".',
+											'event_espresso'
+										),
+										$config_class
+									)
+								);
+							}
+							return false;
+						}
+						break;
+					// TEST #2 : check that settings section exists
+					case 2 :
+						if (! isset($this->{$section})) {
+							if ($display_errors) {
+								throw new EE_Error(
+									sprintf(
+										__('The "%s" configuration section does not exist.', 'event_espresso'),
+										$section
+									)
+								);
+							}
+							return false;
+						}
+						break;
+					// TEST #3 : check that section is the proper format
+					case 3 :
+						if (
+						! ($this->{$section} instanceof EE_Config_Base || $this->{$section} instanceof stdClass)
+						) {
+							if ($display_errors) {
+								throw new EE_Error(
+									sprintf(
+										__(
+											'The "%s" configuration settings have not been formatted correctly.',
+											'event_espresso'
+										),
+										$section
+									)
+								);
+							}
+							return false;
+						}
+						break;
+					// TEST #4 : check that config section name has been set
+					case 4 :
+						if (empty($name)) {
+							if ($display_errors) {
+								throw new EE_Error(
+									__(
+										'No name has been provided for the specific configuration section.',
+										'event_espresso'
+									)
+								);
+							}
+							return false;
+						}
+						break;
+					// TEST #5 : check that a config class name has been set
+					case 5 :
+						if (empty($config_class)) {
+							if ($display_errors) {
+								throw new EE_Error(
+									__(
+										'No class name has been provided for the specific configuration section.',
+										'event_espresso'
+									)
+								);
+							}
+							return false;
+						}
+						break;
+					// TEST #6 : verify config class is accessible
+					case 6 :
+						if (! class_exists($config_class)) {
+							if ($display_errors) {
+								throw new EE_Error(
+									sprintf(
+										__(
+											'The "%s" class does not exist. Please ensure that an autoloader has been set for it.',
+											'event_espresso'
+										),
+										$config_class
+									)
+								);
+							}
+							return false;
+						}
+						break;
+					// TEST #7 : check that config has even been set
+					case 7 :
+						if (! isset($this->{$section}->{$name})) {
+							if ($display_errors) {
+								throw new EE_Error(
+									sprintf(
+										__('No configuration has been set for "%1$s->%2$s".', 'event_espresso'),
+										$section,
+										$name
+									)
+								);
+							}
+							return false;
+						} else {
+							// and make sure it's not serialized
+							$this->{$section}->{$name} = maybe_unserialize($this->{$section}->{$name});
+						}
+						break;
+					// TEST #8 : check that config is the requested type
+					case 8 :
+						if (! $this->{$section}->{$name} instanceof $config_class) {
+							if ($display_errors) {
+								throw new EE_Error(
+									sprintf(
+										__(
+											'The configuration for "%1$s->%2$s" is not of the "%3$s" class.',
+											'event_espresso'
+										),
+										$section,
+										$name,
+										$config_class
+									)
+								);
+							}
+							return false;
+						}
+						break;
+					// TEST #9 : verify config object
+					case 9 :
+						if (! $config_obj instanceof EE_Config_Base) {
+							if ($display_errors) {
+								throw new EE_Error(
+									sprintf(
+										__('The "%s" class is not an instance of EE_Config_Base.', 'event_espresso'),
+										print_r($config_obj, true)
+									)
+								);
+							}
+							return false;
+						}
+						break;
+				}
+			}
+		} catch (EE_Error $e) {
+			$e->get_error();
+		}
+		// you have successfully run the gauntlet
+		return true;
+	}
+
+
+
+	/**
+	 *    _generate_config_option_name
+	 *
+	 * @access        protected
+	 * @param        string $section
+	 * @param        string $name
+	 * @return        string
+	 */
+	private function _generate_config_option_name($section = '', $name = '')
+	{
+		return 'ee_config-' . strtolower($section . '-' . str_replace(array('EE_', 'EED_'), '', $name));
+	}
+
+
+
+	/**
+	 *    _set_config_class
+	 * ensures that a config class is set, either from a passed config class or one generated from the config name
+	 *
+	 * @access    private
+	 * @param    string $config_class
+	 * @param    string $name
+	 * @return    string
+	 */
+	private function _set_config_class($config_class = '', $name = '')
+	{
+		return ! empty($config_class)
+			? $config_class
+			: str_replace(' ', '_', ucwords(str_replace('_', ' ', $name))) . '_Config';
+	}
+
+
+
+	/**
+	 *    set_config
+	 *
+	 * @access    protected
+	 * @param    string         $section
+	 * @param    string         $name
+	 * @param    string         $config_class
+	 * @param    EE_Config_Base $config_obj
+	 * @return    EE_Config_Base
+	 */
+	public function set_config($section = '', $name = '', $config_class = '', EE_Config_Base $config_obj = null)
+	{
+		// ensure config class is set to something
+		$config_class = $this->_set_config_class($config_class, $name);
+		// run tests 1-4, 6, and 7 to verify all config params are set and valid
+		if (! $this->_verify_config_params($section, $name, $config_class, null, array(1, 2, 3, 4, 5, 6))) {
+			return null;
+		}
+		$config_option_name = $this->_generate_config_option_name($section, $name);
+		// if the config option name hasn't been added yet to the list of option names we're tracking, then do so now
+		if (! isset($this->_addon_option_names[$config_option_name])) {
+			$this->_addon_option_names[$config_option_name] = $config_class;
+			$this->update_addon_option_names();
+		}
+		// verify the incoming config object but suppress errors
+		if (! $this->_verify_config_params($section, $name, $config_class, $config_obj, array(9), false)) {
+			$config_obj = new $config_class();
+		}
+		if (get_option($config_option_name)) {
+			EE_Config::log($config_option_name);
+			update_option($config_option_name, $config_obj);
+			$this->{$section}->{$name} = $config_obj;
+			return $this->{$section}->{$name};
+		} else {
+			// create a wp-option for this config
+			if (add_option($config_option_name, $config_obj, '', 'no')) {
+				$this->{$section}->{$name} = maybe_unserialize($config_obj);
+				return $this->{$section}->{$name};
+			} else {
+				EE_Error::add_error(
+					sprintf(__('The "%s" could not be saved to the database.', 'event_espresso'), $config_class),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return null;
+			}
+		}
+	}
+
+
+
+	/**
+	 *    update_config
+	 * Important: the config object must ALREADY be set, otherwise this will produce an error.
+	 *
+	 * @access    public
+	 * @param    string                $section
+	 * @param    string                $name
+	 * @param    EE_Config_Base|string $config_obj
+	 * @param    bool                  $throw_errors
+	 * @return    bool
+	 */
+	public function update_config($section = '', $name = '', $config_obj = '', $throw_errors = true)
+	{
+		// don't allow config updates during WP heartbeats
+		if (\EE_Registry::instance()->REQ->get('action', '') === 'heartbeat') {
+			return false;
+		}
+		$config_obj = maybe_unserialize($config_obj);
+		// get class name of the incoming object
+		$config_class = get_class($config_obj);
+		// run tests 1-5 and 9 to verify config
+		if (! $this->_verify_config_params(
+			$section,
+			$name,
+			$config_class,
+			$config_obj,
+			array(1, 2, 3, 4, 7, 9)
+		)
+		) {
+			return false;
+		}
+		$config_option_name = $this->_generate_config_option_name($section, $name);
+		// check if config object has been added to db by seeing if config option name is in $this->_addon_option_names array
+		if (! isset($this->_addon_option_names[$config_option_name])) {
+			// save new config to db
+			if ($this->set_config($section, $name, $config_class, $config_obj)) {
+				return true;
+			}
+		} else {
+			// first check if the record already exists
+			$existing_config = get_option($config_option_name);
+			$config_obj = serialize($config_obj);
+			// just return if db record is already up to date (NOT type safe comparison)
+			if ($existing_config == $config_obj) {
+				$this->{$section}->{$name} = $config_obj;
+				return true;
+			} else if (update_option($config_option_name, $config_obj)) {
+				EE_Config::log($config_option_name);
+				// update wp-option for this config class
+				$this->{$section}->{$name} = $config_obj;
+				return true;
+			} elseif ($throw_errors) {
+				EE_Error::add_error(
+					sprintf(
+						__(
+							'The "%1$s" object stored at"%2$s" was not successfully updated in the database.',
+							'event_espresso'
+						),
+						$config_class,
+						'EE_Config->' . $section . '->' . $name
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+		}
+		return false;
+	}
+
+
+
+	/**
+	 *    get_config
+	 *
+	 * @access    public
+	 * @param    string $section
+	 * @param    string $name
+	 * @param    string $config_class
+	 * @return    mixed EE_Config_Base | NULL
+	 */
+	public function get_config($section = '', $name = '', $config_class = '')
+	{
+		// ensure config class is set to something
+		$config_class = $this->_set_config_class($config_class, $name);
+		// run tests 1-4, 6 and 7 to verify that all params have been set
+		if (! $this->_verify_config_params($section, $name, $config_class, null, array(1, 2, 3, 4, 5, 6))) {
+			return null;
+		}
+		// now test if the requested config object exists, but suppress errors
+		if ($this->_verify_config_params($section, $name, $config_class, null, array(7, 8), false)) {
+			// config already exists, so pass it back
+			return $this->{$section}->{$name};
+		}
+		// load config option from db if it exists
+		$config_obj = $this->get_config_option($this->_generate_config_option_name($section, $name));
+		// verify the newly retrieved config object, but suppress errors
+		if ($this->_verify_config_params($section, $name, $config_class, $config_obj, array(9), false)) {
+			// config is good, so set it and pass it back
+			$this->{$section}->{$name} = $config_obj;
+			return $this->{$section}->{$name};
+		}
+		// oops! $config_obj is not already set and does not exist in the db, so create a new one
+		$config_obj = $this->set_config($section, $name, $config_class);
+		// verify the newly created config object
+		if ($this->_verify_config_params($section, $name, $config_class, $config_obj, array(9))) {
+			return $this->{$section}->{$name};
+		} else {
+			EE_Error::add_error(
+				sprintf(__('The "%s" could not be retrieved from the database.', 'event_espresso'), $config_class),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+		return null;
+	}
+
+
+
+	/**
+	 *    get_config_option
+	 *
+	 * @access    public
+	 * @param    string $config_option_name
+	 * @return    mixed EE_Config_Base | FALSE
+	 */
+	public function get_config_option($config_option_name = '')
+	{
+		// retrieve the wp-option for this config class.
+		$config_option = maybe_unserialize(get_option($config_option_name, array()));
+		if (empty($config_option)) {
+			EE_Config::log($config_option_name . '-NOT-FOUND');
+		}
+		return $config_option;
+	}
+
+
+
+	/**
+	 * log
+	 *
+	 * @param string $config_option_name
+	 */
+	public static function log($config_option_name = '')
+	{
+		if (EE_Config::logging_enabled() && ! empty($config_option_name)) {
+			$config_log = get_option(EE_Config::LOG_NAME, array());
+			//copy incoming $_REQUEST and sanitize it so we can save it
+			$_request = $_REQUEST;
+			array_walk_recursive($_request, 'sanitize_text_field');
+			$config_log[(string)microtime(true)] = array(
+				'config_name' => $config_option_name,
+				'request'     => $_request,
+			);
+			update_option(EE_Config::LOG_NAME, $config_log);
+		}
+	}
+
+
+
+	/**
+	 * trim_log
+	 * reduces the size of the config log to the length specified by EE_Config::LOG_LENGTH
+	 */
+	public static function trim_log()
+	{
+		if (! EE_Config::logging_enabled()) {
+			return;
+		}
+		$config_log = maybe_unserialize(get_option(EE_Config::LOG_NAME, array()));
+		$log_length = count($config_log);
+		if ($log_length > EE_Config::LOG_LENGTH) {
+			ksort($config_log);
+			$config_log = array_slice($config_log, $log_length - EE_Config::LOG_LENGTH, null, true);
+			update_option(EE_Config::LOG_NAME, $config_log);
+		}
+	}
+
+
+
+	/**
+	 *    get_page_for_posts
+	 *    if the wp-option "show_on_front" is set to "page", then this is the post_name for the post set in the
+	 *    wp-option "page_for_posts", or "posts" if no page is selected
+	 *
+	 * @access    public
+	 * @return    string
+	 */
+	public static function get_page_for_posts()
+	{
+		$page_for_posts = get_option('page_for_posts');
+		if (! $page_for_posts) {
+			return 'posts';
+		}
+		/** @type WPDB $wpdb */
+		global $wpdb;
+		$SQL = "SELECT post_name from $wpdb->posts WHERE post_type='posts' OR post_type='page' AND post_status='publish' AND ID=%d";
+		return $wpdb->get_var($wpdb->prepare($SQL, $page_for_posts));
+	}
+
+
+
+	/**
+	 *    register_shortcodes_and_modules.
+	 *    At this point, it's too early to tell if we're maintenance mode or not.
+	 *    In fact, this is where we give modules a chance to let core know they exist
+	 *    so they can help trigger maintenance mode if it's needed
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public function register_shortcodes_and_modules()
+	{
+		// allow modules to set hooks for the rest of the system
+		EE_Registry::instance()->modules = $this->_register_modules();
+	}
+
+
+
+	/**
+	 *    initialize_shortcodes_and_modules
+	 *    meaning they can start adding their hooks to get stuff done
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public function initialize_shortcodes_and_modules()
+	{
+		// allow modules to set hooks for the rest of the system
+		$this->_initialize_modules();
+	}
+
+
+
+	/**
+	 *    widgets_init
+	 *
+	 * @access private
+	 * @return void
+	 */
+	public function widgets_init()
+	{
+		//only init widgets on admin pages when not in complete maintenance, and
+		//on frontend when not in any maintenance mode
+		if (
+			! EE_Maintenance_Mode::instance()->level()
+			|| (
+				is_admin()
+				&& EE_Maintenance_Mode::instance()->level() !== EE_Maintenance_Mode::level_2_complete_maintenance
+			)
+		) {
+			// grab list of installed widgets
+			$widgets_to_register = glob(EE_WIDGETS . '*', GLOB_ONLYDIR);
+			// filter list of modules to register
+			$widgets_to_register = apply_filters(
+				'FHEE__EE_Config__register_widgets__widgets_to_register',
+				$widgets_to_register
+			);
+			if (! empty($widgets_to_register)) {
+				// cycle thru widget folders
+				foreach ($widgets_to_register as $widget_path) {
+					// add to list of installed widget modules
+					EE_Config::register_ee_widget($widget_path);
+				}
+			}
+			// filter list of installed modules
+			EE_Registry::instance()->widgets = apply_filters(
+				'FHEE__EE_Config__register_widgets__installed_widgets',
+				EE_Registry::instance()->widgets
+			);
+		}
+	}
+
+
+
+	/**
+	 *    register_ee_widget - makes core aware of this widget
+	 *
+	 * @access    public
+	 * @param    string $widget_path - full path up to and including widget folder
+	 * @return    void
+	 */
+	public static function register_ee_widget($widget_path = null)
+	{
+		do_action('AHEE__EE_Config__register_widget__begin', $widget_path);
+		$widget_ext = '.widget.php';
+		// make all separators match
+		$widget_path = rtrim(str_replace('/\\', DS, $widget_path), DS);
+		// does the file path INCLUDE the actual file name as part of the path ?
+		if (strpos($widget_path, $widget_ext) !== false) {
+			// grab and shortcode file name from directory name and break apart at dots
+			$file_name = explode('.', basename($widget_path));
+			// take first segment from file name pieces and remove class prefix if it exists
+			$widget = strpos($file_name[0], 'EEW_') === 0 ? substr($file_name[0], 4) : $file_name[0];
+			// sanitize shortcode directory name
+			$widget = sanitize_key($widget);
+			// now we need to rebuild the shortcode path
+			$widget_path = explode(DS, $widget_path);
+			// remove last segment
+			array_pop($widget_path);
+			// glue it back together
+			$widget_path = implode(DS, $widget_path);
+		} else {
+			// grab and sanitize widget directory name
+			$widget = sanitize_key(basename($widget_path));
+		}
+		// create classname from widget directory name
+		$widget = str_replace(' ', '_', ucwords(str_replace('_', ' ', $widget)));
+		// add class prefix
+		$widget_class = 'EEW_' . $widget;
+		// does the widget exist ?
+		if (! is_readable($widget_path . DS . $widget_class . $widget_ext)) {
+			$msg = sprintf(
+				__(
+					'The requested %s widget file could not be found or is not readable due to file permissions. Please ensure the following path is correct: %s',
+					'event_espresso'
+				),
+				$widget_class,
+				$widget_path . DS . $widget_class . $widget_ext
+			);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return;
+		}
+		// load the widget class file
+		require_once($widget_path . DS . $widget_class . $widget_ext);
+		// verify that class exists
+		if (! class_exists($widget_class)) {
+			$msg = sprintf(__('The requested %s widget class does not exist.', 'event_espresso'), $widget_class);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return;
+		}
+		register_widget($widget_class);
+		// add to array of registered widgets
+		EE_Registry::instance()->widgets->{$widget_class} = $widget_path . DS . $widget_class . $widget_ext;
+	}
+
+
+
+	/**
+	 *        _register_modules
+	 *
+	 * @access private
+	 * @return array
+	 */
+	private function _register_modules()
+	{
+		// grab list of installed modules
+		$modules_to_register = glob(EE_MODULES . '*', GLOB_ONLYDIR);
+		// filter list of modules to register
+		$modules_to_register = apply_filters(
+			'FHEE__EE_Config__register_modules__modules_to_register',
+			$modules_to_register
+		);
+		if (! empty($modules_to_register)) {
+			// loop through folders
+			foreach ($modules_to_register as $module_path) {
+				/**TEMPORARILY EXCLUDE gateways from modules for time being**/
+				if (
+					$module_path !== EE_MODULES . 'zzz-copy-this-module-template'
+					&& $module_path !== EE_MODULES . 'gateways'
+				) {
+					// add to list of installed modules
+					EE_Config::register_module($module_path);
+				}
+			}
+		}
+		// filter list of installed modules
+		return apply_filters(
+			'FHEE__EE_Config___register_modules__installed_modules',
+			EE_Registry::instance()->modules
+		);
+	}
+
+
+
+	/**
+	 *    register_module - makes core aware of this module
+	 *
+	 * @access    public
+	 * @param    string $module_path - full path up to and including module folder
+	 * @return    bool
+	 */
+	public static function register_module($module_path = null)
+	{
+		do_action('AHEE__EE_Config__register_module__begin', $module_path);
+		$module_ext = '.module.php';
+		// make all separators match
+		$module_path = str_replace(array('\\', '/'), DS, $module_path);
+		// does the file path INCLUDE the actual file name as part of the path ?
+		if (strpos($module_path, $module_ext) !== false) {
+			// grab and shortcode file name from directory name and break apart at dots
+			$module_file = explode('.', basename($module_path));
+			// now we need to rebuild the shortcode path
+			$module_path = explode(DS, $module_path);
+			// remove last segment
+			array_pop($module_path);
+			// glue it back together
+			$module_path = implode(DS, $module_path) . DS;
+			// take first segment from file name pieces and sanitize it
+			$module = preg_replace('/[^a-zA-Z0-9_\-]/', '', $module_file[0]);
+			// ensure class prefix is added
+			$module_class = strpos($module, 'EED_') !== 0 ? 'EED_' . $module : $module;
+		} else {
+			// we need to generate the filename based off of the folder name
+			// grab and sanitize module name
+			$module = strtolower(basename($module_path));
+			$module = preg_replace('/[^a-z0-9_\-]/', '', $module);
+			// like trailingslashit()
+			$module_path = rtrim($module_path, DS) . DS;
+			// create classname from module directory name
+			$module = str_replace(' ', '_', ucwords(str_replace('_', ' ', $module)));
+			// add class prefix
+			$module_class = 'EED_' . $module;
+		}
+		// does the module exist ?
+		if (! is_readable($module_path . DS . $module_class . $module_ext)) {
+			$msg = sprintf(
+				__(
+					'The requested %s module file could not be found or is not readable due to file permissions.',
+					'event_espresso'
+				),
+				$module
+			);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		// load the module class file
+		require_once($module_path . $module_class . $module_ext);
+		// verify that class exists
+		if (! class_exists($module_class)) {
+			$msg = sprintf(__('The requested %s module class does not exist.', 'event_espresso'), $module_class);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		// add to array of registered modules
+		EE_Registry::instance()->modules->{$module_class} = $module_path . $module_class . $module_ext;
+		do_action(
+			'AHEE__EE_Config__register_module__complete',
+			$module_class,
+			EE_Registry::instance()->modules->{$module_class}
+		);
+		return true;
+	}
+
+
+
+	/**
+	 *    _initialize_modules
+	 *    allow modules to set hooks for the rest of the system
+	 *
+	 * @access private
+	 * @return void
+	 */
+	private function _initialize_modules()
+	{
+		// cycle thru shortcode folders
+		foreach (EE_Registry::instance()->modules as $module_class => $module_path) {
+			// fire the shortcode class's set_hooks methods in case it needs to hook into other parts of the system
+			// which set hooks ?
+			if (is_admin()) {
+				// fire immediately
+				call_user_func(array($module_class, 'set_hooks_admin'));
+			} else {
+				// delay until other systems are online
+				add_action(
+					'AHEE__EE_System__set_hooks_for_shortcodes_modules_and_addons',
+					array($module_class, 'set_hooks')
+				);
+			}
+		}
+	}
+
+
+
+	/**
+	 *    register_route - adds module method routes to route_map
+	 *
+	 * @access    public
+	 * @param    string $route       - "pretty" public alias for module method
+	 * @param    string $module      - module name (classname without EED_ prefix)
+	 * @param    string $method_name - the actual module method to be routed to
+	 * @param    string $key         - url param key indicating a route is being called
+	 * @return    bool
+	 */
+	public static function register_route($route = null, $module = null, $method_name = null, $key = 'ee')
+	{
+		do_action('AHEE__EE_Config__register_route__begin', $route, $module, $method_name);
+		$module = str_replace('EED_', '', $module);
+		$module_class = 'EED_' . $module;
+		if (! isset(EE_Registry::instance()->modules->{$module_class})) {
+			$msg = sprintf(__('The module %s has not been registered.', 'event_espresso'), $module);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		if (empty($route)) {
+			$msg = sprintf(__('No route has been supplied.', 'event_espresso'), $route);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		if (! method_exists('EED_' . $module, $method_name)) {
+			$msg = sprintf(
+				__('A valid class method for the %s route has not been supplied.', 'event_espresso'),
+				$route
+			);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		EE_Config::$_module_route_map[$key][$route] = array('EED_' . $module, $method_name);
+		return true;
+	}
+
+
+
+	/**
+	 *    get_route - get module method route
+	 *
+	 * @access    public
+	 * @param    string $route - "pretty" public alias for module method
+	 * @param    string $key   - url param key indicating a route is being called
+	 * @return    string
+	 */
+	public static function get_route($route = null, $key = 'ee')
+	{
+		do_action('AHEE__EE_Config__get_route__begin', $route);
+		$route = (string)apply_filters('FHEE__EE_Config__get_route', $route);
+		if (isset(EE_Config::$_module_route_map[$key][$route])) {
+			return EE_Config::$_module_route_map[$key][$route];
+		}
+		return null;
+	}
+
+
+
+	/**
+	 *    get_routes - get ALL module method routes
+	 *
+	 * @access    public
+	 * @return    array
+	 */
+	public static function get_routes()
+	{
+		return EE_Config::$_module_route_map;
+	}
+
+
+
+	/**
+	 *    register_forward - allows modules to forward request to another module for further processing
+	 *
+	 * @access    public
+	 * @param    string       $route   - "pretty" public alias for module method
+	 * @param    integer      $status  - integer value corresponding  to status constant strings set in module parent
+	 *                                 class, allows different forwards to be served based on status
+	 * @param    array|string $forward - function name or array( class, method )
+	 * @param    string       $key     - url param key indicating a route is being called
+	 * @return    bool
+	 */
+	public static function register_forward($route = null, $status = 0, $forward = null, $key = 'ee')
+	{
+		do_action('AHEE__EE_Config__register_forward', $route, $status, $forward);
+		if (! isset(EE_Config::$_module_route_map[$key][$route]) || empty($route)) {
+			$msg = sprintf(
+				__('The module route %s for this forward has not been registered.', 'event_espresso'),
+				$route
+			);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		if (empty($forward)) {
+			$msg = sprintf(__('No forwarding route has been supplied.', 'event_espresso'), $route);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		if (is_array($forward)) {
+			if (! isset($forward[1])) {
+				$msg = sprintf(
+					__('A class method for the %s forwarding route has not been supplied.', 'event_espresso'),
+					$route
+				);
+				EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+				return false;
+			}
+			if (! method_exists($forward[0], $forward[1])) {
+				$msg = sprintf(
+					__('The class method %s for the %s forwarding route is in invalid.', 'event_espresso'),
+					$forward[1],
+					$route
+				);
+				EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+				return false;
+			}
+		} else if (! function_exists($forward)) {
+			$msg = sprintf(
+				__('The function %s for the %s forwarding route is in invalid.', 'event_espresso'),
+				$forward,
+				$route
+			);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		EE_Config::$_module_forward_map[$key][$route][absint($status)] = $forward;
+		return true;
+	}
+
+
+
+	/**
+	 *    get_forward - get forwarding route
+	 *
+	 * @access    public
+	 * @param    string  $route  - "pretty" public alias for module method
+	 * @param    integer $status - integer value corresponding  to status constant strings set in module parent class,
+	 *                           allows different forwards to be served based on status
+	 * @param    string  $key    - url param key indicating a route is being called
+	 * @return    string
+	 */
+	public static function get_forward($route = null, $status = 0, $key = 'ee')
+	{
+		do_action('AHEE__EE_Config__get_forward__begin', $route, $status);
+		if (isset(EE_Config::$_module_forward_map[$key][$route][$status])) {
+			return apply_filters(
+				'FHEE__EE_Config__get_forward',
+				EE_Config::$_module_forward_map[$key][$route][$status],
+				$route,
+				$status
+			);
+		}
+		return null;
+	}
+
+
+
+	/**
+	 *    register_forward - allows modules to specify different view templates for different method routes and status
+	 *    results
+	 *
+	 * @access    public
+	 * @param    string  $route  - "pretty" public alias for module method
+	 * @param    integer $status - integer value corresponding  to status constant strings set in module parent class,
+	 *                           allows different views to be served based on status
+	 * @param    string  $view
+	 * @param    string  $key    - url param key indicating a route is being called
+	 * @return    bool
+	 */
+	public static function register_view($route = null, $status = 0, $view = null, $key = 'ee')
+	{
+		do_action('AHEE__EE_Config__register_view__begin', $route, $status, $view);
+		if (! isset(EE_Config::$_module_route_map[$key][$route]) || empty($route)) {
+			$msg = sprintf(
+				__('The module route %s for this view has not been registered.', 'event_espresso'),
+				$route
+			);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		if (! is_readable($view)) {
+			$msg = sprintf(
+				__(
+					'The %s view file could not be found or is not readable due to file permissions.',
+					'event_espresso'
+				),
+				$view
+			);
+			EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		EE_Config::$_module_view_map[$key][$route][absint($status)] = $view;
+		return true;
+	}
+
+
+
+	/**
+	 *    get_view - get view for route and status
+	 *
+	 * @access    public
+	 * @param    string  $route  - "pretty" public alias for module method
+	 * @param    integer $status - integer value corresponding  to status constant strings set in module parent class,
+	 *                           allows different views to be served based on status
+	 * @param    string  $key    - url param key indicating a route is being called
+	 * @return    string
+	 */
+	public static function get_view($route = null, $status = 0, $key = 'ee')
+	{
+		do_action('AHEE__EE_Config__get_view__begin', $route, $status);
+		if (isset(EE_Config::$_module_view_map[$key][$route][$status])) {
+			return apply_filters(
+				'FHEE__EE_Config__get_view',
+				EE_Config::$_module_view_map[$key][$route][$status],
+				$route,
+				$status
+			);
+		}
+		return null;
+	}
+
+
+
+	public function update_addon_option_names()
+	{
+		update_option(EE_Config::ADDON_OPTION_NAMES, $this->_addon_option_names);
+	}
+
+
+
+	public function shutdown()
+	{
+		$this->update_addon_option_names();
+	}
+
+
+
+	/**
+	 * @return LegacyShortcodesManager
+	 */
+	public static function getLegacyShortcodesManager()
+	{
+
+		if ( ! EE_Config::instance()->legacy_shortcodes_manager instanceof LegacyShortcodesManager) {
+			EE_Config::instance()->legacy_shortcodes_manager = new LegacyShortcodesManager(
+				EE_Registry::instance()
+			);
+		}
+		return EE_Config::instance()->legacy_shortcodes_manager;
+	}
+
+
+
+	/**
+	 * register_shortcode - makes core aware of this shortcode
+	 *
+	 * @deprecated 4.9.26
+	 * @param    string $shortcode_path - full path up to and including shortcode folder
+	 * @return    bool
+	 */
+	public static function register_shortcode($shortcode_path = null)
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			__(
+				'Usage is deprecated. Use \EventEspresso\core\services\shortcodes\LegacyShortcodesManager::registerShortcode() as direct replacement, or better yet, please see the new \EventEspresso\core\services\shortcodes\ShortcodesManager class.',
+				'event_espresso'
+			),
+			'4.9.26'
+		);
+		return EE_Config::instance()->getLegacyShortcodesManager()->registerShortcode($shortcode_path);
+	}
 
-    const LOG_NAME           = 'ee_config_log';
 
-    const LOG_LENGTH         = 100;
 
-    const ADDON_OPTION_NAMES = 'ee_config_option_names';
-
-
-    /**
-     *    instance of the EE_Config object
-     *
-     * @var    EE_Config $_instance
-     * @access    private
-     */
-    private static $_instance;
-
-    /**
-     * @var boolean $_logging_enabled
-     */
-    private static $_logging_enabled = false;
-
-    /**
-     * @var LegacyShortcodesManager $legacy_shortcodes_manager
-     */
-    private $legacy_shortcodes_manager;
-
-    /**
-     * An StdClass whose property names are addon slugs,
-     * and values are their config classes
-     *
-     * @var StdClass
-     */
-    public $addons;
-
-    /**
-     * @var EE_Admin_Config
-     */
-    public $admin;
-
-    /**
-     * @var EE_Core_Config
-     */
-    public $core;
-
-    /**
-     * @var EE_Currency_Config
-     */
-    public $currency;
-
-    /**
-     * @var EE_Organization_Config
-     */
-    public $organization;
-
-    /**
-     * @var EE_Registration_Config
-     */
-    public $registration;
-
-    /**
-     * @var EE_Template_Config
-     */
-    public $template_settings;
-
-    /**
-     * Holds EE environment values.
-     *
-     * @var EE_Environment_Config
-     */
-    public $environment;
-
-    /**
-     * settings pertaining to Google maps
-     *
-     * @var EE_Map_Config
-     */
-    public $map_settings;
-
-    /**
-     * settings pertaining to Taxes
-     *
-     * @var EE_Tax_Config
-     */
-    public $tax_settings;
-
-
-    /**
-     * Settings pertaining to global messages settings.
-     *
-     * @var EE_Messages_Config
-     */
-    public $messages;
-
-    /**
-     * @deprecated
-     * @var EE_Gateway_Config
-     */
-    public $gateway;
-
-    /**
-     * @var    array $_addon_option_names
-     * @access    private
-     */
-    private $_addon_option_names = array();
-
-    /**
-     * @var    array $_module_route_map
-     * @access    private
-     */
-    private static $_module_route_map = array();
-
-    /**
-     * @var    array $_module_forward_map
-     * @access    private
-     */
-    private static $_module_forward_map = array();
-
-    /**
-     * @var    array $_module_view_map
-     * @access    private
-     */
-    private static $_module_view_map = array();
-
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @access    public
-     * @return EE_Config instance
-     */
-    public static function instance()
-    {
-        // check if class object is instantiated, and instantiated properly
-        if (! self::$_instance instanceof EE_Config) {
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-
-
-
-    /**
-     * Resets the config
-     *
-     * @param bool    $hard_reset    if TRUE, sets EE_CONFig back to its original settings in the database. If FALSE
-     *                               (default) leaves the database alone, and merely resets the EE_Config object to
-     *                               reflect its state in the database
-     * @param boolean $reinstantiate if TRUE (default) call instance() and return it. Otherwise, just leave
-     *                               $_instance as NULL. Useful in case you want to forget about the old instance on
-     *                               EE_Config, but might not be ready to instantiate EE_Config currently (eg if the
-     *                               site was put into maintenance mode)
-     * @return EE_Config
-     */
-    public static function reset($hard_reset = false, $reinstantiate = true)
-    {
-        if (self::$_instance instanceof EE_Config) {
-            if ($hard_reset) {
-                self::$_instance->legacy_shortcodes_manager = null;
-                self::$_instance->_addon_option_names = array();
-                self::$_instance->_initialize_config();
-                self::$_instance->update_espresso_config();
-            }
-            self::$_instance->update_addon_option_names();
-        }
-        self::$_instance = null;
-        //we don't need to reset the static properties imo because those should
-        //only change when a module is added or removed. Currently we don't
-        //support removing a module during a request when it previously existed
-        if ($reinstantiate) {
-            return self::instance();
-        } else {
-            return null;
-        }
-    }
-
-
-
-    /**
-     *    class constructor
-     *
-     * @access    private
-     */
-    private function __construct()
-    {
-        do_action('AHEE__EE_Config__construct__begin', $this);
-        EE_Config::$_logging_enabled = apply_filters('FHEE__EE_Config___construct__logging_enabled', false);
-        // setup empty config classes
-        $this->_initialize_config();
-        // load existing EE site settings
-        $this->_load_core_config();
-        // confirm everything loaded correctly and set filtered defaults if not
-        $this->_verify_config();
-        //  register shortcodes and modules
-        add_action(
-            'AHEE__EE_System__register_shortcodes_modules_and_widgets',
-            array($this, 'register_shortcodes_and_modules'),
-            999
-        );
-        //  initialize shortcodes and modules
-        add_action('AHEE__EE_System__core_loaded_and_ready', array($this, 'initialize_shortcodes_and_modules'));
-        // register widgets
-        add_action('widgets_init', array($this, 'widgets_init'), 10);
-        // shutdown
-        add_action('shutdown', array($this, 'shutdown'), 10);
-        // construct__end hook
-        do_action('AHEE__EE_Config__construct__end', $this);
-        // hardcoded hack
-        $this->template_settings->current_espresso_theme = 'Espresso_Arabica_2014';
-    }
-
-
-
-    /**
-     * @return boolean
-     */
-    public static function logging_enabled()
-    {
-        return self::$_logging_enabled;
-    }
-
-
-
-    /**
-     * use to get the current theme if needed from static context
-     *
-     * @return string current theme set.
-     */
-    public static function get_current_theme()
-    {
-        return isset(self::$_instance->template_settings->current_espresso_theme)
-            ? self::$_instance->template_settings->current_espresso_theme : 'Espresso_Arabica_2014';
-    }
-
-
-
-    /**
-     *        _initialize_config
-     *
-     * @access private
-     * @return void
-     */
-    private function _initialize_config()
-    {
-        EE_Config::trim_log();
-        //set defaults
-        $this->_addon_option_names = get_option(EE_Config::ADDON_OPTION_NAMES, array());
-        $this->addons = new stdClass();
-        // set _module_route_map
-        EE_Config::$_module_route_map = array();
-        // set _module_forward_map
-        EE_Config::$_module_forward_map = array();
-        // set _module_view_map
-        EE_Config::$_module_view_map = array();
-    }
-
-
-
-    /**
-     *        load core plugin configuration
-     *
-     * @access private
-     * @return void
-     */
-    private function _load_core_config()
-    {
-        // load_core_config__start hook
-        do_action('AHEE__EE_Config___load_core_config__start', $this);
-        $espresso_config = $this->get_espresso_config();
-        foreach ($espresso_config as $config => $settings) {
-            // load_core_config__start hook
-            $settings = apply_filters(
-                'FHEE__EE_Config___load_core_config__config_settings',
-                $settings,
-                $config,
-                $this
-            );
-            if (is_object($settings) && property_exists($this, $config)) {
-                $this->{$config} = apply_filters('FHEE__EE_Config___load_core_config__' . $config, $settings);
-                //call configs populate method to ensure any defaults are set for empty values.
-                if (method_exists($settings, 'populate')) {
-                    $this->{$config}->populate();
-                }
-                if (method_exists($settings, 'do_hooks')) {
-                    $this->{$config}->do_hooks();
-                }
-            }
-        }
-        if (apply_filters('FHEE__EE_Config___load_core_config__update_espresso_config', false)) {
-            $this->update_espresso_config();
-        }
-        // load_core_config__end hook
-        do_action('AHEE__EE_Config___load_core_config__end', $this);
-    }
-
-
-
-    /**
-     *    _verify_config
-     *
-     * @access    protected
-     * @return    void
-     */
-    protected function _verify_config()
-    {
-        $this->core = $this->core instanceof EE_Core_Config
-            ? $this->core
-            : new EE_Core_Config();
-        $this->core = apply_filters('FHEE__EE_Config___initialize_config__core', $this->core);
-        $this->organization = $this->organization instanceof EE_Organization_Config
-            ? $this->organization
-            : new EE_Organization_Config();
-        $this->organization = apply_filters(
-            'FHEE__EE_Config___initialize_config__organization',
-            $this->organization
-        );
-        $this->currency = $this->currency instanceof EE_Currency_Config
-            ? $this->currency
-            : new EE_Currency_Config();
-        $this->currency = apply_filters('FHEE__EE_Config___initialize_config__currency', $this->currency);
-        $this->registration = $this->registration instanceof EE_Registration_Config
-            ? $this->registration
-            : new EE_Registration_Config();
-        $this->registration = apply_filters(
-            'FHEE__EE_Config___initialize_config__registration',
-            $this->registration
-        );
-        $this->admin = $this->admin instanceof EE_Admin_Config
-            ? $this->admin
-            : new EE_Admin_Config();
-        $this->admin = apply_filters('FHEE__EE_Config___initialize_config__admin', $this->admin);
-        $this->template_settings = $this->template_settings instanceof EE_Template_Config
-            ? $this->template_settings
-            : new EE_Template_Config();
-        $this->template_settings = apply_filters(
-            'FHEE__EE_Config___initialize_config__template_settings',
-            $this->template_settings
-        );
-        $this->map_settings = $this->map_settings instanceof EE_Map_Config
-            ? $this->map_settings
-            : new EE_Map_Config();
-        $this->map_settings = apply_filters('FHEE__EE_Config___initialize_config__map_settings',
-            $this->map_settings);
-        $this->environment = $this->environment instanceof EE_Environment_Config
-            ? $this->environment
-            : new EE_Environment_Config();
-        $this->environment = apply_filters('FHEE__EE_Config___initialize_config__environment',
-            $this->environment);
-        $this->tax_settings = $this->tax_settings instanceof EE_Tax_Config
-            ? $this->tax_settings
-            : new EE_Tax_Config();
-        $this->tax_settings = apply_filters('FHEE__EE_Config___initialize_config__tax_settings',
-            $this->tax_settings);
-        $this->messages = apply_filters('FHEE__EE_Config__initialize_config__messages', $this->messages);
-        $this->messages = $this->messages instanceof EE_Messages_Config
-            ? $this->messages
-            : new EE_Messages_Config();
-        $this->gateway = $this->gateway instanceof EE_Gateway_Config
-            ? $this->gateway
-            : new EE_Gateway_Config();
-        $this->gateway = apply_filters('FHEE__EE_Config___initialize_config__gateway', $this->gateway);
-        $this->legacy_shortcodes_manager = null;
-    }
-
-
-    /**
-     *    get_espresso_config
-     *
-     * @access    public
-     * @return    array of espresso config stuff
-     */
-    public function get_espresso_config()
-    {
-        // grab espresso configuration
-        return apply_filters(
-            'FHEE__EE_Config__get_espresso_config__CFG',
-            get_option(EE_Config::OPTION_NAME, array())
-        );
-    }
-
-
-
-    /**
-     *    double_check_config_comparison
-     *
-     * @access    public
-     * @param string $option
-     * @param        $old_value
-     * @param        $value
-     */
-    public function double_check_config_comparison($option = '', $old_value, $value)
-    {
-        // make sure we're checking the ee config
-        if ($option === EE_Config::OPTION_NAME) {
-            // run a loose comparison of the old value against the new value for type and properties,
-            // but NOT exact instance like WP update_option does (ie: NOT type safe comparison)
-            if ($value != $old_value) {
-                // if they are NOT the same, then remove the hook,
-                // which means the subsequent update results will be based solely on the update query results
-                // the reason we do this is because, as stated above,
-                // WP update_option performs an exact instance comparison (===) on any update values passed to it
-                // this happens PRIOR to serialization and any subsequent update.
-                // If values are found to match their previous old value,
-                // then WP bails before performing any update.
-                // Since we are passing the EE_Config object, it is comparing the EXACT instance of the saved version
-                // it just pulled from the db, with the one being passed to it (which will not match).
-                // HOWEVER, once the object is serialized and passed off to MySQL to update,
-                // MySQL MAY ALSO NOT perform the update because
-                // the string it sees in the db looks the same as the new one it has been passed!!!
-                // This results in the query returning an "affected rows" value of ZERO,
-                // which gets returned immediately by WP update_option and looks like an error.
-                remove_action('update_option', array($this, 'check_config_updated'));
-            }
-        }
-    }
-
-
-
-    /**
-     *    update_espresso_config
-     *
-     * @access   public
-     */
-    protected function _reset_espresso_addon_config()
-    {
-        $this->_addon_option_names = array();
-        foreach ($this->addons as $addon_name => $addon_config_obj) {
-            $addon_config_obj = maybe_unserialize($addon_config_obj);
-            if ($addon_config_obj instanceof EE_Config_Base) {
-                $this->update_config('addons', $addon_name, $addon_config_obj, false);
-            }
-            $this->addons->{$addon_name} = null;
-        }
-    }
-
-
-
-    /**
-     *    update_espresso_config
-     *
-     * @access   public
-     * @param   bool $add_success
-     * @param   bool $add_error
-     * @return   bool
-     */
-    public function update_espresso_config($add_success = false, $add_error = true)
-    {
-        // don't allow config updates during WP heartbeats
-        if (\EE_Registry::instance()->REQ->get('action', '') === 'heartbeat') {
-            return false;
-        }
-        // commented out the following re: https://events.codebasehq.com/projects/event-espresso/tickets/8197
-        //$clone = clone( self::$_instance );
-        //self::$_instance = NULL;
-        do_action('AHEE__EE_Config__update_espresso_config__begin', $this);
-        $this->_reset_espresso_addon_config();
-        // hook into update_option because that happens AFTER the ( $value === $old_value ) conditional
-        // but BEFORE the actual update occurs
-        add_action('update_option', array($this, 'double_check_config_comparison'), 1, 3);
-        // don't want to persist legacy_shortcodes_manager, but don't want to lose it either
-        $legacy_shortcodes_manager = $this->legacy_shortcodes_manager;
-        $this->legacy_shortcodes_manager = null;
-        // now update "ee_config"
-        $saved = update_option(EE_Config::OPTION_NAME, $this);
-        $this->legacy_shortcodes_manager = $legacy_shortcodes_manager;
-        EE_Config::log(EE_Config::OPTION_NAME);
-        // if not saved... check if the hook we just added still exists;
-        // if it does, it means one of two things:
-        // 		that update_option bailed at the ( $value === $old_value ) conditional,
-        //		 or...
-        // 		the db update query returned 0 rows affected
-        // 		(probably because the data  value was the same from it's perspective)
-        // so the existence of the hook means that a negative result from update_option is NOT an error,
-        // but just means no update occurred, so don't display an error to the user.
-        // BUT... if update_option returns FALSE, AND the hook is missing,
-        // then it means that something truly went wrong
-        $saved = ! $saved ? has_action('update_option', array($this, 'double_check_config_comparison')) : $saved;
-        // remove our action since we don't want it in the system anymore
-        remove_action('update_option', array($this, 'double_check_config_comparison'), 1);
-        do_action('AHEE__EE_Config__update_espresso_config__end', $this, $saved);
-        //self::$_instance = $clone;
-        //unset( $clone );
-        // if config remains the same or was updated successfully
-        if ($saved) {
-            if ($add_success) {
-                EE_Error::add_success(
-                    __('The Event Espresso Configuration Settings have been successfully updated.', 'event_espresso'),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-            return true;
-        } else {
-            if ($add_error) {
-                EE_Error::add_error(
-                    __('The Event Espresso Configuration Settings were not updated.', 'event_espresso'),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-            return false;
-        }
-    }
-
-
-
-    /**
-     *    _verify_config_params
-     *
-     * @access    private
-     * @param    string         $section
-     * @param    string         $name
-     * @param    string         $config_class
-     * @param    EE_Config_Base $config_obj
-     * @param    array          $tests_to_run
-     * @param    bool           $display_errors
-     * @return    bool    TRUE on success, FALSE on fail
-     */
-    private function _verify_config_params(
-        $section = '',
-        $name = '',
-        $config_class = '',
-        $config_obj = null,
-        $tests_to_run = array(1, 2, 3, 4, 5, 6, 7, 8),
-        $display_errors = true
-    ) {
-        try {
-            foreach ($tests_to_run as $test) {
-                switch ($test) {
-                    // TEST #1 : check that section was set
-                    case 1 :
-                        if (empty($section)) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    sprintf(
-                                        __(
-                                            'No configuration section has been provided while attempting to save "%s".',
-                                            'event_espresso'
-                                        ),
-                                        $config_class
-                                    )
-                                );
-                            }
-                            return false;
-                        }
-                        break;
-                    // TEST #2 : check that settings section exists
-                    case 2 :
-                        if (! isset($this->{$section})) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    sprintf(
-                                        __('The "%s" configuration section does not exist.', 'event_espresso'),
-                                        $section
-                                    )
-                                );
-                            }
-                            return false;
-                        }
-                        break;
-                    // TEST #3 : check that section is the proper format
-                    case 3 :
-                        if (
-                        ! ($this->{$section} instanceof EE_Config_Base || $this->{$section} instanceof stdClass)
-                        ) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    sprintf(
-                                        __(
-                                            'The "%s" configuration settings have not been formatted correctly.',
-                                            'event_espresso'
-                                        ),
-                                        $section
-                                    )
-                                );
-                            }
-                            return false;
-                        }
-                        break;
-                    // TEST #4 : check that config section name has been set
-                    case 4 :
-                        if (empty($name)) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    __(
-                                        'No name has been provided for the specific configuration section.',
-                                        'event_espresso'
-                                    )
-                                );
-                            }
-                            return false;
-                        }
-                        break;
-                    // TEST #5 : check that a config class name has been set
-                    case 5 :
-                        if (empty($config_class)) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    __(
-                                        'No class name has been provided for the specific configuration section.',
-                                        'event_espresso'
-                                    )
-                                );
-                            }
-                            return false;
-                        }
-                        break;
-                    // TEST #6 : verify config class is accessible
-                    case 6 :
-                        if (! class_exists($config_class)) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    sprintf(
-                                        __(
-                                            'The "%s" class does not exist. Please ensure that an autoloader has been set for it.',
-                                            'event_espresso'
-                                        ),
-                                        $config_class
-                                    )
-                                );
-                            }
-                            return false;
-                        }
-                        break;
-                    // TEST #7 : check that config has even been set
-                    case 7 :
-                        if (! isset($this->{$section}->{$name})) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    sprintf(
-                                        __('No configuration has been set for "%1$s->%2$s".', 'event_espresso'),
-                                        $section,
-                                        $name
-                                    )
-                                );
-                            }
-                            return false;
-                        } else {
-                            // and make sure it's not serialized
-                            $this->{$section}->{$name} = maybe_unserialize($this->{$section}->{$name});
-                        }
-                        break;
-                    // TEST #8 : check that config is the requested type
-                    case 8 :
-                        if (! $this->{$section}->{$name} instanceof $config_class) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    sprintf(
-                                        __(
-                                            'The configuration for "%1$s->%2$s" is not of the "%3$s" class.',
-                                            'event_espresso'
-                                        ),
-                                        $section,
-                                        $name,
-                                        $config_class
-                                    )
-                                );
-                            }
-                            return false;
-                        }
-                        break;
-                    // TEST #9 : verify config object
-                    case 9 :
-                        if (! $config_obj instanceof EE_Config_Base) {
-                            if ($display_errors) {
-                                throw new EE_Error(
-                                    sprintf(
-                                        __('The "%s" class is not an instance of EE_Config_Base.', 'event_espresso'),
-                                        print_r($config_obj, true)
-                                    )
-                                );
-                            }
-                            return false;
-                        }
-                        break;
-                }
-            }
-        } catch (EE_Error $e) {
-            $e->get_error();
-        }
-        // you have successfully run the gauntlet
-        return true;
-    }
-
-
-
-    /**
-     *    _generate_config_option_name
-     *
-     * @access        protected
-     * @param        string $section
-     * @param        string $name
-     * @return        string
-     */
-    private function _generate_config_option_name($section = '', $name = '')
-    {
-        return 'ee_config-' . strtolower($section . '-' . str_replace(array('EE_', 'EED_'), '', $name));
-    }
-
-
-
-    /**
-     *    _set_config_class
-     * ensures that a config class is set, either from a passed config class or one generated from the config name
-     *
-     * @access    private
-     * @param    string $config_class
-     * @param    string $name
-     * @return    string
-     */
-    private function _set_config_class($config_class = '', $name = '')
-    {
-        return ! empty($config_class)
-            ? $config_class
-            : str_replace(' ', '_', ucwords(str_replace('_', ' ', $name))) . '_Config';
-    }
-
-
-
-    /**
-     *    set_config
-     *
-     * @access    protected
-     * @param    string         $section
-     * @param    string         $name
-     * @param    string         $config_class
-     * @param    EE_Config_Base $config_obj
-     * @return    EE_Config_Base
-     */
-    public function set_config($section = '', $name = '', $config_class = '', EE_Config_Base $config_obj = null)
-    {
-        // ensure config class is set to something
-        $config_class = $this->_set_config_class($config_class, $name);
-        // run tests 1-4, 6, and 7 to verify all config params are set and valid
-        if (! $this->_verify_config_params($section, $name, $config_class, null, array(1, 2, 3, 4, 5, 6))) {
-            return null;
-        }
-        $config_option_name = $this->_generate_config_option_name($section, $name);
-        // if the config option name hasn't been added yet to the list of option names we're tracking, then do so now
-        if (! isset($this->_addon_option_names[$config_option_name])) {
-            $this->_addon_option_names[$config_option_name] = $config_class;
-            $this->update_addon_option_names();
-        }
-        // verify the incoming config object but suppress errors
-        if (! $this->_verify_config_params($section, $name, $config_class, $config_obj, array(9), false)) {
-            $config_obj = new $config_class();
-        }
-        if (get_option($config_option_name)) {
-            EE_Config::log($config_option_name);
-            update_option($config_option_name, $config_obj);
-            $this->{$section}->{$name} = $config_obj;
-            return $this->{$section}->{$name};
-        } else {
-            // create a wp-option for this config
-            if (add_option($config_option_name, $config_obj, '', 'no')) {
-                $this->{$section}->{$name} = maybe_unserialize($config_obj);
-                return $this->{$section}->{$name};
-            } else {
-                EE_Error::add_error(
-                    sprintf(__('The "%s" could not be saved to the database.', 'event_espresso'), $config_class),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return null;
-            }
-        }
-    }
-
-
-
-    /**
-     *    update_config
-     * Important: the config object must ALREADY be set, otherwise this will produce an error.
-     *
-     * @access    public
-     * @param    string                $section
-     * @param    string                $name
-     * @param    EE_Config_Base|string $config_obj
-     * @param    bool                  $throw_errors
-     * @return    bool
-     */
-    public function update_config($section = '', $name = '', $config_obj = '', $throw_errors = true)
-    {
-        // don't allow config updates during WP heartbeats
-        if (\EE_Registry::instance()->REQ->get('action', '') === 'heartbeat') {
-            return false;
-        }
-        $config_obj = maybe_unserialize($config_obj);
-        // get class name of the incoming object
-        $config_class = get_class($config_obj);
-        // run tests 1-5 and 9 to verify config
-        if (! $this->_verify_config_params(
-            $section,
-            $name,
-            $config_class,
-            $config_obj,
-            array(1, 2, 3, 4, 7, 9)
-        )
-        ) {
-            return false;
-        }
-        $config_option_name = $this->_generate_config_option_name($section, $name);
-        // check if config object has been added to db by seeing if config option name is in $this->_addon_option_names array
-        if (! isset($this->_addon_option_names[$config_option_name])) {
-            // save new config to db
-            if ($this->set_config($section, $name, $config_class, $config_obj)) {
-                return true;
-            }
-        } else {
-            // first check if the record already exists
-            $existing_config = get_option($config_option_name);
-            $config_obj = serialize($config_obj);
-            // just return if db record is already up to date (NOT type safe comparison)
-            if ($existing_config == $config_obj) {
-                $this->{$section}->{$name} = $config_obj;
-                return true;
-            } else if (update_option($config_option_name, $config_obj)) {
-                EE_Config::log($config_option_name);
-                // update wp-option for this config class
-                $this->{$section}->{$name} = $config_obj;
-                return true;
-            } elseif ($throw_errors) {
-                EE_Error::add_error(
-                    sprintf(
-                        __(
-                            'The "%1$s" object stored at"%2$s" was not successfully updated in the database.',
-                            'event_espresso'
-                        ),
-                        $config_class,
-                        'EE_Config->' . $section . '->' . $name
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-        }
-        return false;
-    }
-
-
-
-    /**
-     *    get_config
-     *
-     * @access    public
-     * @param    string $section
-     * @param    string $name
-     * @param    string $config_class
-     * @return    mixed EE_Config_Base | NULL
-     */
-    public function get_config($section = '', $name = '', $config_class = '')
-    {
-        // ensure config class is set to something
-        $config_class = $this->_set_config_class($config_class, $name);
-        // run tests 1-4, 6 and 7 to verify that all params have been set
-        if (! $this->_verify_config_params($section, $name, $config_class, null, array(1, 2, 3, 4, 5, 6))) {
-            return null;
-        }
-        // now test if the requested config object exists, but suppress errors
-        if ($this->_verify_config_params($section, $name, $config_class, null, array(7, 8), false)) {
-            // config already exists, so pass it back
-            return $this->{$section}->{$name};
-        }
-        // load config option from db if it exists
-        $config_obj = $this->get_config_option($this->_generate_config_option_name($section, $name));
-        // verify the newly retrieved config object, but suppress errors
-        if ($this->_verify_config_params($section, $name, $config_class, $config_obj, array(9), false)) {
-            // config is good, so set it and pass it back
-            $this->{$section}->{$name} = $config_obj;
-            return $this->{$section}->{$name};
-        }
-        // oops! $config_obj is not already set and does not exist in the db, so create a new one
-        $config_obj = $this->set_config($section, $name, $config_class);
-        // verify the newly created config object
-        if ($this->_verify_config_params($section, $name, $config_class, $config_obj, array(9))) {
-            return $this->{$section}->{$name};
-        } else {
-            EE_Error::add_error(
-                sprintf(__('The "%s" could not be retrieved from the database.', 'event_espresso'), $config_class),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-        return null;
-    }
-
-
-
-    /**
-     *    get_config_option
-     *
-     * @access    public
-     * @param    string $config_option_name
-     * @return    mixed EE_Config_Base | FALSE
-     */
-    public function get_config_option($config_option_name = '')
-    {
-        // retrieve the wp-option for this config class.
-        $config_option = maybe_unserialize(get_option($config_option_name, array()));
-        if (empty($config_option)) {
-            EE_Config::log($config_option_name . '-NOT-FOUND');
-        }
-        return $config_option;
-    }
-
-
-
-    /**
-     * log
-     *
-     * @param string $config_option_name
-     */
-    public static function log($config_option_name = '')
-    {
-        if (EE_Config::logging_enabled() && ! empty($config_option_name)) {
-            $config_log = get_option(EE_Config::LOG_NAME, array());
-            //copy incoming $_REQUEST and sanitize it so we can save it
-            $_request = $_REQUEST;
-            array_walk_recursive($_request, 'sanitize_text_field');
-            $config_log[(string)microtime(true)] = array(
-                'config_name' => $config_option_name,
-                'request'     => $_request,
-            );
-            update_option(EE_Config::LOG_NAME, $config_log);
-        }
-    }
-
-
-
-    /**
-     * trim_log
-     * reduces the size of the config log to the length specified by EE_Config::LOG_LENGTH
-     */
-    public static function trim_log()
-    {
-        if (! EE_Config::logging_enabled()) {
-            return;
-        }
-        $config_log = maybe_unserialize(get_option(EE_Config::LOG_NAME, array()));
-        $log_length = count($config_log);
-        if ($log_length > EE_Config::LOG_LENGTH) {
-            ksort($config_log);
-            $config_log = array_slice($config_log, $log_length - EE_Config::LOG_LENGTH, null, true);
-            update_option(EE_Config::LOG_NAME, $config_log);
-        }
-    }
-
-
-
-    /**
-     *    get_page_for_posts
-     *    if the wp-option "show_on_front" is set to "page", then this is the post_name for the post set in the
-     *    wp-option "page_for_posts", or "posts" if no page is selected
-     *
-     * @access    public
-     * @return    string
-     */
-    public static function get_page_for_posts()
-    {
-        $page_for_posts = get_option('page_for_posts');
-        if (! $page_for_posts) {
-            return 'posts';
-        }
-        /** @type WPDB $wpdb */
-        global $wpdb;
-        $SQL = "SELECT post_name from $wpdb->posts WHERE post_type='posts' OR post_type='page' AND post_status='publish' AND ID=%d";
-        return $wpdb->get_var($wpdb->prepare($SQL, $page_for_posts));
-    }
-
-
-
-    /**
-     *    register_shortcodes_and_modules.
-     *    At this point, it's too early to tell if we're maintenance mode or not.
-     *    In fact, this is where we give modules a chance to let core know they exist
-     *    so they can help trigger maintenance mode if it's needed
-     *
-     * @access    public
-     * @return    void
-     */
-    public function register_shortcodes_and_modules()
-    {
-        // allow modules to set hooks for the rest of the system
-        EE_Registry::instance()->modules = $this->_register_modules();
-    }
-
-
-
-    /**
-     *    initialize_shortcodes_and_modules
-     *    meaning they can start adding their hooks to get stuff done
-     *
-     * @access    public
-     * @return    void
-     */
-    public function initialize_shortcodes_and_modules()
-    {
-        // allow modules to set hooks for the rest of the system
-        $this->_initialize_modules();
-    }
-
-
-
-    /**
-     *    widgets_init
-     *
-     * @access private
-     * @return void
-     */
-    public function widgets_init()
-    {
-        //only init widgets on admin pages when not in complete maintenance, and
-        //on frontend when not in any maintenance mode
-        if (
-            ! EE_Maintenance_Mode::instance()->level()
-            || (
-                is_admin()
-                && EE_Maintenance_Mode::instance()->level() !== EE_Maintenance_Mode::level_2_complete_maintenance
-            )
-        ) {
-            // grab list of installed widgets
-            $widgets_to_register = glob(EE_WIDGETS . '*', GLOB_ONLYDIR);
-            // filter list of modules to register
-            $widgets_to_register = apply_filters(
-                'FHEE__EE_Config__register_widgets__widgets_to_register',
-                $widgets_to_register
-            );
-            if (! empty($widgets_to_register)) {
-                // cycle thru widget folders
-                foreach ($widgets_to_register as $widget_path) {
-                    // add to list of installed widget modules
-                    EE_Config::register_ee_widget($widget_path);
-                }
-            }
-            // filter list of installed modules
-            EE_Registry::instance()->widgets = apply_filters(
-                'FHEE__EE_Config__register_widgets__installed_widgets',
-                EE_Registry::instance()->widgets
-            );
-        }
-    }
-
-
-
-    /**
-     *    register_ee_widget - makes core aware of this widget
-     *
-     * @access    public
-     * @param    string $widget_path - full path up to and including widget folder
-     * @return    void
-     */
-    public static function register_ee_widget($widget_path = null)
-    {
-        do_action('AHEE__EE_Config__register_widget__begin', $widget_path);
-        $widget_ext = '.widget.php';
-        // make all separators match
-        $widget_path = rtrim(str_replace('/\\', DS, $widget_path), DS);
-        // does the file path INCLUDE the actual file name as part of the path ?
-        if (strpos($widget_path, $widget_ext) !== false) {
-            // grab and shortcode file name from directory name and break apart at dots
-            $file_name = explode('.', basename($widget_path));
-            // take first segment from file name pieces and remove class prefix if it exists
-            $widget = strpos($file_name[0], 'EEW_') === 0 ? substr($file_name[0], 4) : $file_name[0];
-            // sanitize shortcode directory name
-            $widget = sanitize_key($widget);
-            // now we need to rebuild the shortcode path
-            $widget_path = explode(DS, $widget_path);
-            // remove last segment
-            array_pop($widget_path);
-            // glue it back together
-            $widget_path = implode(DS, $widget_path);
-        } else {
-            // grab and sanitize widget directory name
-            $widget = sanitize_key(basename($widget_path));
-        }
-        // create classname from widget directory name
-        $widget = str_replace(' ', '_', ucwords(str_replace('_', ' ', $widget)));
-        // add class prefix
-        $widget_class = 'EEW_' . $widget;
-        // does the widget exist ?
-        if (! is_readable($widget_path . DS . $widget_class . $widget_ext)) {
-            $msg = sprintf(
-                __(
-                    'The requested %s widget file could not be found or is not readable due to file permissions. Please ensure the following path is correct: %s',
-                    'event_espresso'
-                ),
-                $widget_class,
-                $widget_path . DS . $widget_class . $widget_ext
-            );
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return;
-        }
-        // load the widget class file
-        require_once($widget_path . DS . $widget_class . $widget_ext);
-        // verify that class exists
-        if (! class_exists($widget_class)) {
-            $msg = sprintf(__('The requested %s widget class does not exist.', 'event_espresso'), $widget_class);
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return;
-        }
-        register_widget($widget_class);
-        // add to array of registered widgets
-        EE_Registry::instance()->widgets->{$widget_class} = $widget_path . DS . $widget_class . $widget_ext;
-    }
-
-
-
-    /**
-     *        _register_modules
-     *
-     * @access private
-     * @return array
-     */
-    private function _register_modules()
-    {
-        // grab list of installed modules
-        $modules_to_register = glob(EE_MODULES . '*', GLOB_ONLYDIR);
-        // filter list of modules to register
-        $modules_to_register = apply_filters(
-            'FHEE__EE_Config__register_modules__modules_to_register',
-            $modules_to_register
-        );
-        if (! empty($modules_to_register)) {
-            // loop through folders
-            foreach ($modules_to_register as $module_path) {
-                /**TEMPORARILY EXCLUDE gateways from modules for time being**/
-                if (
-                    $module_path !== EE_MODULES . 'zzz-copy-this-module-template'
-                    && $module_path !== EE_MODULES . 'gateways'
-                ) {
-                    // add to list of installed modules
-                    EE_Config::register_module($module_path);
-                }
-            }
-        }
-        // filter list of installed modules
-        return apply_filters(
-            'FHEE__EE_Config___register_modules__installed_modules',
-            EE_Registry::instance()->modules
-        );
-    }
-
-
-
-    /**
-     *    register_module - makes core aware of this module
-     *
-     * @access    public
-     * @param    string $module_path - full path up to and including module folder
-     * @return    bool
-     */
-    public static function register_module($module_path = null)
-    {
-        do_action('AHEE__EE_Config__register_module__begin', $module_path);
-        $module_ext = '.module.php';
-        // make all separators match
-        $module_path = str_replace(array('\\', '/'), DS, $module_path);
-        // does the file path INCLUDE the actual file name as part of the path ?
-        if (strpos($module_path, $module_ext) !== false) {
-            // grab and shortcode file name from directory name and break apart at dots
-            $module_file = explode('.', basename($module_path));
-            // now we need to rebuild the shortcode path
-            $module_path = explode(DS, $module_path);
-            // remove last segment
-            array_pop($module_path);
-            // glue it back together
-            $module_path = implode(DS, $module_path) . DS;
-            // take first segment from file name pieces and sanitize it
-            $module = preg_replace('/[^a-zA-Z0-9_\-]/', '', $module_file[0]);
-            // ensure class prefix is added
-            $module_class = strpos($module, 'EED_') !== 0 ? 'EED_' . $module : $module;
-        } else {
-            // we need to generate the filename based off of the folder name
-            // grab and sanitize module name
-            $module = strtolower(basename($module_path));
-            $module = preg_replace('/[^a-z0-9_\-]/', '', $module);
-            // like trailingslashit()
-            $module_path = rtrim($module_path, DS) . DS;
-            // create classname from module directory name
-            $module = str_replace(' ', '_', ucwords(str_replace('_', ' ', $module)));
-            // add class prefix
-            $module_class = 'EED_' . $module;
-        }
-        // does the module exist ?
-        if (! is_readable($module_path . DS . $module_class . $module_ext)) {
-            $msg = sprintf(
-                __(
-                    'The requested %s module file could not be found or is not readable due to file permissions.',
-                    'event_espresso'
-                ),
-                $module
-            );
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        // load the module class file
-        require_once($module_path . $module_class . $module_ext);
-        // verify that class exists
-        if (! class_exists($module_class)) {
-            $msg = sprintf(__('The requested %s module class does not exist.', 'event_espresso'), $module_class);
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        // add to array of registered modules
-        EE_Registry::instance()->modules->{$module_class} = $module_path . $module_class . $module_ext;
-        do_action(
-            'AHEE__EE_Config__register_module__complete',
-            $module_class,
-            EE_Registry::instance()->modules->{$module_class}
-        );
-        return true;
-    }
-
-
-
-    /**
-     *    _initialize_modules
-     *    allow modules to set hooks for the rest of the system
-     *
-     * @access private
-     * @return void
-     */
-    private function _initialize_modules()
-    {
-        // cycle thru shortcode folders
-        foreach (EE_Registry::instance()->modules as $module_class => $module_path) {
-            // fire the shortcode class's set_hooks methods in case it needs to hook into other parts of the system
-            // which set hooks ?
-            if (is_admin()) {
-                // fire immediately
-                call_user_func(array($module_class, 'set_hooks_admin'));
-            } else {
-                // delay until other systems are online
-                add_action(
-                    'AHEE__EE_System__set_hooks_for_shortcodes_modules_and_addons',
-                    array($module_class, 'set_hooks')
-                );
-            }
-        }
-    }
-
-
-
-    /**
-     *    register_route - adds module method routes to route_map
-     *
-     * @access    public
-     * @param    string $route       - "pretty" public alias for module method
-     * @param    string $module      - module name (classname without EED_ prefix)
-     * @param    string $method_name - the actual module method to be routed to
-     * @param    string $key         - url param key indicating a route is being called
-     * @return    bool
-     */
-    public static function register_route($route = null, $module = null, $method_name = null, $key = 'ee')
-    {
-        do_action('AHEE__EE_Config__register_route__begin', $route, $module, $method_name);
-        $module = str_replace('EED_', '', $module);
-        $module_class = 'EED_' . $module;
-        if (! isset(EE_Registry::instance()->modules->{$module_class})) {
-            $msg = sprintf(__('The module %s has not been registered.', 'event_espresso'), $module);
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        if (empty($route)) {
-            $msg = sprintf(__('No route has been supplied.', 'event_espresso'), $route);
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        if (! method_exists('EED_' . $module, $method_name)) {
-            $msg = sprintf(
-                __('A valid class method for the %s route has not been supplied.', 'event_espresso'),
-                $route
-            );
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        EE_Config::$_module_route_map[$key][$route] = array('EED_' . $module, $method_name);
-        return true;
-    }
-
-
-
-    /**
-     *    get_route - get module method route
-     *
-     * @access    public
-     * @param    string $route - "pretty" public alias for module method
-     * @param    string $key   - url param key indicating a route is being called
-     * @return    string
-     */
-    public static function get_route($route = null, $key = 'ee')
-    {
-        do_action('AHEE__EE_Config__get_route__begin', $route);
-        $route = (string)apply_filters('FHEE__EE_Config__get_route', $route);
-        if (isset(EE_Config::$_module_route_map[$key][$route])) {
-            return EE_Config::$_module_route_map[$key][$route];
-        }
-        return null;
-    }
-
-
-
-    /**
-     *    get_routes - get ALL module method routes
-     *
-     * @access    public
-     * @return    array
-     */
-    public static function get_routes()
-    {
-        return EE_Config::$_module_route_map;
-    }
-
-
-
-    /**
-     *    register_forward - allows modules to forward request to another module for further processing
-     *
-     * @access    public
-     * @param    string       $route   - "pretty" public alias for module method
-     * @param    integer      $status  - integer value corresponding  to status constant strings set in module parent
-     *                                 class, allows different forwards to be served based on status
-     * @param    array|string $forward - function name or array( class, method )
-     * @param    string       $key     - url param key indicating a route is being called
-     * @return    bool
-     */
-    public static function register_forward($route = null, $status = 0, $forward = null, $key = 'ee')
-    {
-        do_action('AHEE__EE_Config__register_forward', $route, $status, $forward);
-        if (! isset(EE_Config::$_module_route_map[$key][$route]) || empty($route)) {
-            $msg = sprintf(
-                __('The module route %s for this forward has not been registered.', 'event_espresso'),
-                $route
-            );
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        if (empty($forward)) {
-            $msg = sprintf(__('No forwarding route has been supplied.', 'event_espresso'), $route);
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        if (is_array($forward)) {
-            if (! isset($forward[1])) {
-                $msg = sprintf(
-                    __('A class method for the %s forwarding route has not been supplied.', 'event_espresso'),
-                    $route
-                );
-                EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-                return false;
-            }
-            if (! method_exists($forward[0], $forward[1])) {
-                $msg = sprintf(
-                    __('The class method %s for the %s forwarding route is in invalid.', 'event_espresso'),
-                    $forward[1],
-                    $route
-                );
-                EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-                return false;
-            }
-        } else if (! function_exists($forward)) {
-            $msg = sprintf(
-                __('The function %s for the %s forwarding route is in invalid.', 'event_espresso'),
-                $forward,
-                $route
-            );
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        EE_Config::$_module_forward_map[$key][$route][absint($status)] = $forward;
-        return true;
-    }
-
-
-
-    /**
-     *    get_forward - get forwarding route
-     *
-     * @access    public
-     * @param    string  $route  - "pretty" public alias for module method
-     * @param    integer $status - integer value corresponding  to status constant strings set in module parent class,
-     *                           allows different forwards to be served based on status
-     * @param    string  $key    - url param key indicating a route is being called
-     * @return    string
-     */
-    public static function get_forward($route = null, $status = 0, $key = 'ee')
-    {
-        do_action('AHEE__EE_Config__get_forward__begin', $route, $status);
-        if (isset(EE_Config::$_module_forward_map[$key][$route][$status])) {
-            return apply_filters(
-                'FHEE__EE_Config__get_forward',
-                EE_Config::$_module_forward_map[$key][$route][$status],
-                $route,
-                $status
-            );
-        }
-        return null;
-    }
-
-
-
-    /**
-     *    register_forward - allows modules to specify different view templates for different method routes and status
-     *    results
-     *
-     * @access    public
-     * @param    string  $route  - "pretty" public alias for module method
-     * @param    integer $status - integer value corresponding  to status constant strings set in module parent class,
-     *                           allows different views to be served based on status
-     * @param    string  $view
-     * @param    string  $key    - url param key indicating a route is being called
-     * @return    bool
-     */
-    public static function register_view($route = null, $status = 0, $view = null, $key = 'ee')
-    {
-        do_action('AHEE__EE_Config__register_view__begin', $route, $status, $view);
-        if (! isset(EE_Config::$_module_route_map[$key][$route]) || empty($route)) {
-            $msg = sprintf(
-                __('The module route %s for this view has not been registered.', 'event_espresso'),
-                $route
-            );
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        if (! is_readable($view)) {
-            $msg = sprintf(
-                __(
-                    'The %s view file could not be found or is not readable due to file permissions.',
-                    'event_espresso'
-                ),
-                $view
-            );
-            EE_Error::add_error($msg . '||' . $msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        EE_Config::$_module_view_map[$key][$route][absint($status)] = $view;
-        return true;
-    }
-
-
-
-    /**
-     *    get_view - get view for route and status
-     *
-     * @access    public
-     * @param    string  $route  - "pretty" public alias for module method
-     * @param    integer $status - integer value corresponding  to status constant strings set in module parent class,
-     *                           allows different views to be served based on status
-     * @param    string  $key    - url param key indicating a route is being called
-     * @return    string
-     */
-    public static function get_view($route = null, $status = 0, $key = 'ee')
-    {
-        do_action('AHEE__EE_Config__get_view__begin', $route, $status);
-        if (isset(EE_Config::$_module_view_map[$key][$route][$status])) {
-            return apply_filters(
-                'FHEE__EE_Config__get_view',
-                EE_Config::$_module_view_map[$key][$route][$status],
-                $route,
-                $status
-            );
-        }
-        return null;
-    }
-
-
-
-    public function update_addon_option_names()
-    {
-        update_option(EE_Config::ADDON_OPTION_NAMES, $this->_addon_option_names);
-    }
-
-
-
-    public function shutdown()
-    {
-        $this->update_addon_option_names();
-    }
-
-
-
-    /**
-     * @return LegacyShortcodesManager
-     */
-    public static function getLegacyShortcodesManager()
-    {
-
-        if ( ! EE_Config::instance()->legacy_shortcodes_manager instanceof LegacyShortcodesManager) {
-            EE_Config::instance()->legacy_shortcodes_manager = new LegacyShortcodesManager(
-                EE_Registry::instance()
-            );
-        }
-        return EE_Config::instance()->legacy_shortcodes_manager;
-    }
-
-
-
-    /**
-     * register_shortcode - makes core aware of this shortcode
-     *
-     * @deprecated 4.9.26
-     * @param    string $shortcode_path - full path up to and including shortcode folder
-     * @return    bool
-     */
-    public static function register_shortcode($shortcode_path = null)
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            __(
-                'Usage is deprecated. Use \EventEspresso\core\services\shortcodes\LegacyShortcodesManager::registerShortcode() as direct replacement, or better yet, please see the new \EventEspresso\core\services\shortcodes\ShortcodesManager class.',
-                'event_espresso'
-            ),
-            '4.9.26'
-        );
-        return EE_Config::instance()->getLegacyShortcodesManager()->registerShortcode($shortcode_path);
-    }
-
-
-
-}
-
-
-
-/**
- * Base class used for config classes. These classes should generally not have
- * magic functions in use, except we'll allow them to magically set and get stuff...
- * basically, they should just be well-defined stdClasses
- */
-class EE_Config_Base
-{
-
-    /**
-     * Utility function for escaping the value of a property and returning.
-     *
-     * @param string $property property name (checks to see if exists).
-     * @return mixed if a detected type found return the escaped value, otherwise just the raw value is returned.
-     * @throws \EE_Error
-     */
-    public function get_pretty($property)
-    {
-        if (! property_exists($this, $property)) {
-            throw new EE_Error(
-                sprintf(
-                    __(
-                        '%1$s::get_pretty() has been called with the property %2$s which does not exist on the %1$s config class.',
-                        'event_espresso'
-                    ),
-                    get_class($this),
-                    $property
-                )
-            );
-        }
-        //just handling escaping of strings for now.
-        if (is_string($this->{$property})) {
-            return stripslashes($this->{$property});
-        }
-        return $this->{$property};
-    }
-
-
-
-    public function populate()
-    {
-        //grab defaults via a new instance of this class.
-        $class_name = get_class($this);
-        $defaults = new $class_name;
-        //loop through the properties for this class and see if they are set.  If they are NOT, then grab the
-        //default from our $defaults object.
-        foreach (get_object_vars($defaults) as $property => $value) {
-            if ($this->{$property} === null) {
-                $this->{$property} = $value;
-            }
-        }
-        //cleanup
-        unset($defaults);
-    }
-
-
-
-    /**
-     *        __isset
-     *
-     * @param $a
-     * @return bool
-     */
-    public function __isset($a)
-    {
-        return false;
-    }
-
-
-
-    /**
-     *        __unset
-     *
-     * @param $a
-     * @return bool
-     */
-    public function __unset($a)
-    {
-        return false;
-    }
-
-
-
-    /**
-     *        __clone
-     */
-    public function __clone()
-    {
-    }
-
-
-
-    /**
-     *        __wakeup
-     */
-    public function __wakeup()
-    {
-    }
-
-
-
-    /**
-     *        __destruct
-     */
-    public function __destruct()
-    {
-    }
-}
-
-
-
-/**
- * Class for defining what's in the EE_Config relating to registration settings
- */
-class EE_Core_Config extends EE_Config_Base
-{
-
-    public $current_blog_id;
-
-    public $ee_ueip_optin;
-
-    public $ee_ueip_has_notified;
-
-    /**
-     * Not to be confused with the 4 critical page variables (See
-     * get_critical_pages_array()), this is just an array of wp posts that have EE
-     * shortcodes in them. Keys are slugs, values are arrays with only 1 element: where the key is the shortcode
-     * in the page, and the value is the page's ID. The key 'posts' is basically a duplicate of this same array.
-     *
-     * @var array
-     */
-    public $post_shortcodes;
-
-    public $module_route_map;
-
-    public $module_forward_map;
-
-    public $module_view_map;
-
-    /**
-     * The next 4 vars are the IDs of critical EE pages.
-     *
-     * @var int
-     */
-    public $reg_page_id;
-
-    public $txn_page_id;
-
-    public $thank_you_page_id;
-
-    public $cancel_page_id;
-
-    /**
-     * The next 4 vars are the URLs of critical EE pages.
-     *
-     * @var int
-     */
-    public $reg_page_url;
-
-    public $txn_page_url;
-
-    public $thank_you_page_url;
-
-    public $cancel_page_url;
-
-    /**
-     * The next vars relate to the custom slugs for EE CPT routes
-     */
-    public $event_cpt_slug;
-
-
-    /**
-     * This caches the _ee_ueip_option in case this config is reset in the same
-     * request across blog switches in a multisite context.
-     * Avoids extra queries to the db for this option.
-     *
-     * @var bool
-     */
-    public static $ee_ueip_option;
-
-
-
-    /**
-     *    class constructor
-     *
-     * @access    public
-     */
-    public function __construct()
-    {
-        // set default organization settings
-        $this->current_blog_id = get_current_blog_id();
-        $this->current_blog_id = $this->current_blog_id === null ? 1 : $this->current_blog_id;
-        $this->ee_ueip_optin = $this->_get_main_ee_ueip_optin();
-        $this->ee_ueip_has_notified = is_main_site() ? get_option('ee_ueip_has_notified', false) : true;
-        $this->post_shortcodes = array();
-        $this->module_route_map = array();
-        $this->module_forward_map = array();
-        $this->module_view_map = array();
-        // critical EE page IDs
-        $this->reg_page_id = 0;
-        $this->txn_page_id = 0;
-        $this->thank_you_page_id = 0;
-        $this->cancel_page_id = 0;
-        // critical EE page URLs
-        $this->reg_page_url = '';
-        $this->txn_page_url = '';
-        $this->thank_you_page_url = '';
-        $this->cancel_page_url = '';
-        //cpt slugs
-        $this->event_cpt_slug = __('events', 'event_espresso');
-        //ueip constant check
-        if (defined('EE_DISABLE_UXIP') && EE_DISABLE_UXIP) {
-            $this->ee_ueip_optin = false;
-            $this->ee_ueip_has_notified = true;
-        }
-    }
-
-
-
-    /**
-     * @return array
-     */
-    public function get_critical_pages_array()
-    {
-        return array(
-            $this->reg_page_id,
-            $this->txn_page_id,
-            $this->thank_you_page_id,
-            $this->cancel_page_id,
-        );
-    }
-
-
-
-    /**
-     * @return array
-     */
-    public function get_critical_pages_shortcodes_array()
-    {
-        return array(
-            $this->reg_page_id       => 'ESPRESSO_CHECKOUT',
-            $this->txn_page_id       => 'ESPRESSO_TXN_PAGE',
-            $this->thank_you_page_id => 'ESPRESSO_THANK_YOU',
-            $this->cancel_page_id    => 'ESPRESSO_CANCELLED',
-        );
-    }
-
-
-
-    /**
-     *  gets/returns URL for EE reg_page
-     *
-     * @access    public
-     * @return    string
-     */
-    public function reg_page_url()
-    {
-        if (! $this->reg_page_url) {
-            $this->reg_page_url = add_query_arg(
-                                      array('uts' => time()),
-                                      get_permalink($this->reg_page_id)
-                                  ) . '#checkout';
-        }
-        return $this->reg_page_url;
-    }
-
-
-
-    /**
-     *  gets/returns URL for EE txn_page
-     *
-     * @param array $query_args like what gets passed to
-     *                          add_query_arg() as the first argument
-     * @access    public
-     * @return    string
-     */
-    public function txn_page_url($query_args = array())
-    {
-        if (! $this->txn_page_url) {
-            $this->txn_page_url = get_permalink($this->txn_page_id);
-        }
-        if ($query_args) {
-            return add_query_arg($query_args, $this->txn_page_url);
-        } else {
-            return $this->txn_page_url;
-        }
-    }
-
-
-
-    /**
-     *  gets/returns URL for EE thank_you_page
-     *
-     * @param array $query_args like what gets passed to
-     *                          add_query_arg() as the first argument
-     * @access    public
-     * @return    string
-     */
-    public function thank_you_page_url($query_args = array())
-    {
-        if (! $this->thank_you_page_url) {
-            $this->thank_you_page_url = get_permalink($this->thank_you_page_id);
-        }
-        if ($query_args) {
-            return add_query_arg($query_args, $this->thank_you_page_url);
-        } else {
-            return $this->thank_you_page_url;
-        }
-    }
-
-
-
-    /**
-     *  gets/returns URL for EE cancel_page
-     *
-     * @access    public
-     * @return    string
-     */
-    public function cancel_page_url()
-    {
-        if (! $this->cancel_page_url) {
-            $this->cancel_page_url = get_permalink($this->cancel_page_id);
-        }
-        return $this->cancel_page_url;
-    }
-
-
-
-    /**
-     * Resets all critical page urls to their original state.  Used primarily by the __sleep() magic method currently.
-     *
-     * @since 4.7.5
-     */
-    protected function _reset_urls()
-    {
-        $this->reg_page_url = '';
-        $this->txn_page_url = '';
-        $this->cancel_page_url = '';
-        $this->thank_you_page_url = '';
-    }
-
-
-
-    /**
-     * Used to return what the optin value is set for the EE User Experience Program.
-     * This accounts for multisite and this value being requested for a subsite.  In multisite, the value is set
-     * on the main site only.
-     *
-     * @return mixed|void
-     */
-    protected function _get_main_ee_ueip_optin()
-    {
-        //if this is the main site then we can just bypass our direct query.
-        if (is_main_site()) {
-            return get_option('ee_ueip_optin', false);
-        }
-        //is this already cached for this request?  If so use it.
-        if ( ! empty(EE_Core_Config::$ee_ueip_option)) {
-            return EE_Core_Config::$ee_ueip_option;
-        }
-        global $wpdb;
-        $current_network_main_site = is_multisite() ? get_current_site() : null;
-        $current_main_site_id = ! empty($current_network_main_site) ? $current_network_main_site->blog_id : 1;
-        $option = 'ee_ueip_optin';
-        //set correct table for query
-        $table_name = $wpdb->get_blog_prefix($current_main_site_id) . 'options';
-        //rather than getting blog option for the $current_main_site_id, we do a direct $wpdb query because
-        //get_blog_option() does a switch_to_blog an that could cause infinite recursion because EE_Core_Config might be
-        //re-constructed on the blog switch.  Note, we are still executing any core wp filters on this option retrieval.
-        //this bit of code is basically a direct copy of get_option without any caching because we are NOT switched to the blog
-        //for the purpose of caching.
-        $pre = apply_filters('pre_option_' . $option, false, $option);
-        if (false !== $pre) {
-            EE_Core_Config::$ee_ueip_option = $pre;
-            return EE_Core_Config::$ee_ueip_option;
-        }
-        $row = $wpdb->get_row($wpdb->prepare("SELECT option_value FROM $table_name WHERE option_name = %s LIMIT 1",
-            $option));
-        if (is_object($row)) {
-            $value = $row->option_value;
-        } else { //option does not exist so use default.
-            return apply_filters('default_option_' . $option, false, $option);
-        }
-        EE_Core_Config::$ee_ueip_option = apply_filters('option_' . $option, maybe_unserialize($value), $option);
-        return EE_Core_Config::$ee_ueip_option;
-    }
-
-    /**
-     * Utility function for escaping the value of a property and returning.
-     *
-     * @param string $property property name (checks to see if exists).
-     * @return mixed if a detected type found return the escaped value, otherwise just the raw value is returned.
-     * @throws \EE_Error
-     */
-    public function get_pretty($property)
-    {
-        if ($property === 'ee_ueip_optin') {
-            return $this->ee_ueip_optin ? 'yes' : 'no';
-        }
-        return parent::get_pretty($property);
-    }
-
-
-    /**
-     * Currently used to ensure critical page urls have initial values saved to the db instead of any current set values
-     * on the object.
-     *
-     * @return array
-     */
-    public function __sleep()
-    {
-        //reset all url properties
-        $this->_reset_urls();
-        //return what to save to db
-        return array_keys(get_object_vars($this));
-    }
-
-}
-
-
-
-/**
- * Config class for storing info on the Organization
- */
-class EE_Organization_Config extends EE_Config_Base
-{
-
-    /**
-     * @var string $name
-     * eg EE4.1
-     */
-    public $name;
-
-    /**
-     * @var string $address_1
-     * eg 123 Onna Road
-     */
-    public $address_1;
-
-    /**
-     * @var string $address_2
-     * eg PO Box 123
-     */
-    public $address_2;
-
-    /**
-     * @var string $city
-     * eg Inna City
-     */
-    public $city;
-
-    /**
-     * @var int $STA_ID
-     * eg 4
-     */
-    public $STA_ID;
-
-    /**
-     * @var string $CNT_ISO
-     * eg US
-     */
-    public $CNT_ISO;
-
-    /**
-     * @var string $zip
-     * eg 12345  or V1A 2B3
-     */
-    public $zip;
-
-    /**
-     * @var string $email
-     * eg support@eventespresso.com
-     */
-    public $email;
-
-
-    /**
-     * @var string $phone
-     * eg. 111-111-1111
-     */
-    public $phone;
-
-
-    /**
-     * @var string $vat
-     * VAT/Tax Number
-     */
-    public $vat;
-
-    /**
-     * @var string $logo_url
-     * eg http://www.somedomain.com/wp-content/uploads/kittehs.jpg
-     */
-    public $logo_url;
-
-
-    /**
-     * The below are all various properties for holding links to organization social network profiles
-     *
-     * @var string
-     */
-    /**
-     * facebook (facebook.com/profile.name)
-     *
-     * @var string
-     */
-    public $facebook;
-
-
-    /**
-     * twitter (twitter.com/twitter_handle)
-     *
-     * @var string
-     */
-    public $twitter;
-
-
-    /**
-     * linkedin (linkedin.com/in/profile_name)
-     *
-     * @var string
-     */
-    public $linkedin;
-
-
-    /**
-     * pinterest (www.pinterest.com/profile_name)
-     *
-     * @var string
-     */
-    public $pinterest;
-
-
-    /**
-     * google+ (google.com/+profileName)
-     *
-     * @var string
-     */
-    public $google;
-
-
-    /**
-     * instagram (instagram.com/handle)
-     *
-     * @var string
-     */
-    public $instagram;
-
-
-
-    /**
-     *    class constructor
-     *
-     * @access    public
-     */
-    public function __construct()
-    {
-        // set default organization settings
-        //decode HTML entities from the WP blogname, because it's stored in the DB with HTML entities encoded
-        $this->name = wp_specialchars_decode(get_bloginfo('name'), ENT_QUOTES);
-        $this->address_1 = '123 Onna Road';
-        $this->address_2 = 'PO Box 123';
-        $this->city = 'Inna City';
-        $this->STA_ID = 4;
-        $this->CNT_ISO = 'US';
-        $this->zip = '12345';
-        $this->email = get_bloginfo('admin_email');
-        $this->phone = '';
-        $this->vat = '123456789';
-        $this->logo_url = '';
-        $this->facebook = '';
-        $this->twitter = '';
-        $this->linkedin = '';
-        $this->pinterest = '';
-        $this->google = '';
-        $this->instagram = '';
-    }
-
-}
-
-
-
-/**
- * Class for defining what's in the EE_Config relating to currency
- */
-class EE_Currency_Config extends EE_Config_Base
-{
-
-    /**
-     * @var string $code
-     * eg 'US'
-     */
-    public $code;
-
-    /**
-     * @var string $name
-     * eg 'Dollar'
-     */
-    public $name;
-
-    /**
-     * plural name
-     *
-     * @var string $plural
-     * eg 'Dollars'
-     */
-    public $plural;
-
-    /**
-     * currency sign
-     *
-     * @var string $sign
-     * eg '$'
-     */
-    public $sign;
-
-    /**
-     * Whether the currency sign should come before the number or not
-     *
-     * @var boolean $sign_b4
-     */
-    public $sign_b4;
-
-    /**
-     * How many digits should come after the decimal place
-     *
-     * @var int $dec_plc
-     */
-    public $dec_plc;
-
-    /**
-     * Symbol to use for decimal mark
-     *
-     * @var string $dec_mrk
-     * eg '.'
-     */
-    public $dec_mrk;
-
-    /**
-     * Symbol to use for thousands
-     *
-     * @var string $thsnds
-     * eg ','
-     */
-    public $thsnds;
-
-
-
-    /**
-     *    class constructor
-     *
-     * @access    public
-     * @param string $CNT_ISO
-     * @throws \EE_Error
-     */
-    public function __construct($CNT_ISO = '')
-    {
-        /** @var \EventEspresso\core\services\database\TableAnalysis $table_analysis */
-        $table_analysis = EE_Registry::instance()->create('TableAnalysis', array(), true);
-        // get country code from organization settings or use default
-        $ORG_CNT = isset(EE_Registry::instance()->CFG->organization)
-                   && EE_Registry::instance()->CFG->organization instanceof EE_Organization_Config
-            ? EE_Registry::instance()->CFG->organization->CNT_ISO
-            : '';
-        // but override if requested
-        $CNT_ISO = ! empty($CNT_ISO) ? $CNT_ISO : $ORG_CNT;
-        // so if that all went well, and we are not in M-Mode (cuz you can't query the db in M-Mode) and double-check the countries table exists
-        if (
-            ! empty($CNT_ISO)
-            && EE_Maintenance_Mode::instance()->models_can_query()
-            && $table_analysis->tableExists(EE_Registry::instance()->load_model('Country')->table())
-        ) {
-            // retrieve the country settings from the db, just in case they have been customized
-            $country = EE_Registry::instance()->load_model('Country')->get_one_by_ID($CNT_ISO);
-            if ($country instanceof EE_Country) {
-                $this->code = $country->currency_code();    // currency code: USD, CAD, EUR
-                $this->name = $country->currency_name_single();    // Dollar
-                $this->plural = $country->currency_name_plural();    // Dollars
-                $this->sign = $country->currency_sign();            // currency sign: $
-                $this->sign_b4 = $country->currency_sign_before();        // currency sign before or after: $TRUE  or  FALSE$
-                $this->dec_plc = $country->currency_decimal_places();    // decimal places: 2 = 0.00  3 = 0.000
-                $this->dec_mrk = $country->currency_decimal_mark();    // decimal mark: (comma) ',' = 0,01   or (decimal) '.' = 0.01
-                $this->thsnds = $country->currency_thousands_separator();    // thousands separator: (comma) ',' = 1,000   or (decimal) '.' = 1.000
-            }
-        }
-        // fallback to hardcoded defaults, in case the above failed
-        if (empty($this->code)) {
-            // set default currency settings
-            $this->code = 'USD';    // currency code: USD, CAD, EUR
-            $this->name = __('Dollar', 'event_espresso');    // Dollar
-            $this->plural = __('Dollars', 'event_espresso');    // Dollars
-            $this->sign = '$';    // currency sign: $
-            $this->sign_b4 = true;    // currency sign before or after: $TRUE  or  FALSE$
-            $this->dec_plc = 2;    // decimal places: 2 = 0.00  3 = 0.000
-            $this->dec_mrk = '.';    // decimal mark: (comma) ',' = 0,01   or (decimal) '.' = 0.01
-            $this->thsnds = ',';    // thousands separator: (comma) ',' = 1,000   or (decimal) '.' = 1.000
-        }
-    }
-}
-
-
-
-/**
- * Class for defining what's in the EE_Config relating to registration settings
- */
-class EE_Registration_Config extends EE_Config_Base
-{
-
-    /**
-     * Default registration status
-     *
-     * @var string $default_STS_ID
-     * eg 'RPP'
-     */
-    public $default_STS_ID;
-
-
-    /**
-     * For new events, this will be the default value for the maximum number of tickets (equivalent to maximum number of
-     * registrations)
-     * @var int
-     */
-    public $default_maximum_number_of_tickets;
-
-
-    /**
-     * level of validation to apply to email addresses
-     *
-     * @var string $email_validation_level
-     * options: 'basic', 'wp_default', 'i18n', 'i18n_dns'
-     */
-    public $email_validation_level;
-
-    /**
-     *    whether or not to show alternate payment options during the reg process if payment status is pending
-     *
-     * @var boolean $show_pending_payment_options
-     */
-    public $show_pending_payment_options;
-
-    /**
-     * Whether to skip the registration confirmation page
-     *
-     * @var boolean $skip_reg_confirmation
-     */
-    public $skip_reg_confirmation;
-
-    /**
-     * an array of SPCO reg steps where:
-     *        the keys denotes the reg step order
-     *        each element consists of an array with the following elements:
-     *            "file_path" => the file path to the EE_SPCO_Reg_Step class
-     *            "class_name" => the specific EE_SPCO_Reg_Step child class name
-     *            "slug" => the URL param used to trigger the reg step
-     *
-     * @var array $reg_steps
-     */
-    public $reg_steps;
-
-    /**
-     * Whether registration confirmation should be the last page of SPCO
-     *
-     * @var boolean $reg_confirmation_last
-     */
-    public $reg_confirmation_last;
-
-    /**
-     * Whether or not to enable the EE Bot Trap
-     *
-     * @var boolean $use_bot_trap
-     */
-    public $use_bot_trap;
-
-    /**
-     * Whether or not to encrypt some data sent by the EE Bot Trap
-     *
-     * @var boolean $use_encryption
-     */
-    public $use_encryption;
-
-    /**
-     * Whether or not to use ReCaptcha
-     *
-     * @var boolean $use_captcha
-     */
-    public $use_captcha;
-
-    /**
-     * ReCaptcha Theme
-     *
-     * @var string $recaptcha_theme
-     *    options: 'dark', 'light', 'invisible'
-     */
-    public $recaptcha_theme;
+}
 
-    /**
-     * ReCaptcha Badge - determines the position of the reCAPTCHA badge if using Invisible ReCaptcha.
-     *
-     * @var string $recaptcha_badge
-     *    options: 'bottomright', 'bottomleft', 'inline'
-     */
-    public $recaptcha_badge;
 
-    /**
-     * ReCaptcha Type
-     *
-     * @var string $recaptcha_type
-     *    options: 'audio', 'image'
-     */
-    public $recaptcha_type;
 
-    /**
-     * ReCaptcha language
-     *
-     * @var string $recaptcha_language
-     * eg 'en'
-     */
-    public $recaptcha_language;
+/**
+ * Base class used for config classes. These classes should generally not have
+ * magic functions in use, except we'll allow them to magically set and get stuff...
+ * basically, they should just be well-defined stdClasses
+ */
+class EE_Config_Base
+{
 
-    /**
-     * ReCaptcha public key
-     *
-     * @var string $recaptcha_publickey
-     */
-    public $recaptcha_publickey;
+	/**
+	 * Utility function for escaping the value of a property and returning.
+	 *
+	 * @param string $property property name (checks to see if exists).
+	 * @return mixed if a detected type found return the escaped value, otherwise just the raw value is returned.
+	 * @throws \EE_Error
+	 */
+	public function get_pretty($property)
+	{
+		if (! property_exists($this, $property)) {
+			throw new EE_Error(
+				sprintf(
+					__(
+						'%1$s::get_pretty() has been called with the property %2$s which does not exist on the %1$s config class.',
+						'event_espresso'
+					),
+					get_class($this),
+					$property
+				)
+			);
+		}
+		//just handling escaping of strings for now.
+		if (is_string($this->{$property})) {
+			return stripslashes($this->{$property});
+		}
+		return $this->{$property};
+	}
+
+
+
+	public function populate()
+	{
+		//grab defaults via a new instance of this class.
+		$class_name = get_class($this);
+		$defaults = new $class_name;
+		//loop through the properties for this class and see if they are set.  If they are NOT, then grab the
+		//default from our $defaults object.
+		foreach (get_object_vars($defaults) as $property => $value) {
+			if ($this->{$property} === null) {
+				$this->{$property} = $value;
+			}
+		}
+		//cleanup
+		unset($defaults);
+	}
+
+
+
+	/**
+	 *        __isset
+	 *
+	 * @param $a
+	 * @return bool
+	 */
+	public function __isset($a)
+	{
+		return false;
+	}
+
+
+
+	/**
+	 *        __unset
+	 *
+	 * @param $a
+	 * @return bool
+	 */
+	public function __unset($a)
+	{
+		return false;
+	}
+
+
+
+	/**
+	 *        __clone
+	 */
+	public function __clone()
+	{
+	}
+
+
+
+	/**
+	 *        __wakeup
+	 */
+	public function __wakeup()
+	{
+	}
+
+
+
+	/**
+	 *        __destruct
+	 */
+	public function __destruct()
+	{
+	}
+}
 
-    /**
-     * ReCaptcha private key
-     *
-     * @var string $recaptcha_privatekey
-     */
-    public $recaptcha_privatekey;
 
-    /**
-     * array of form names protected by ReCaptcha
-     *
-     * @var array $recaptcha_protected_forms
-     */
-    public $recaptcha_protected_forms;
 
-    /**
-     * ReCaptcha width
-     *
-     * @var int $recaptcha_width
-     * @deprecated
-     */
-    public $recaptcha_width;
+/**
+ * Class for defining what's in the EE_Config relating to registration settings
+ */
+class EE_Core_Config extends EE_Config_Base
+{
 
-    /**
-     * Whether or not invalid attempts to directly access the registration checkout page should be tracked.
-     *
-     * @var boolean $track_invalid_checkout_access
-     */
-    protected $track_invalid_checkout_access = true;
+	public $current_blog_id;
+
+	public $ee_ueip_optin;
+
+	public $ee_ueip_has_notified;
+
+	/**
+	 * Not to be confused with the 4 critical page variables (See
+	 * get_critical_pages_array()), this is just an array of wp posts that have EE
+	 * shortcodes in them. Keys are slugs, values are arrays with only 1 element: where the key is the shortcode
+	 * in the page, and the value is the page's ID. The key 'posts' is basically a duplicate of this same array.
+	 *
+	 * @var array
+	 */
+	public $post_shortcodes;
+
+	public $module_route_map;
+
+	public $module_forward_map;
+
+	public $module_view_map;
+
+	/**
+	 * The next 4 vars are the IDs of critical EE pages.
+	 *
+	 * @var int
+	 */
+	public $reg_page_id;
+
+	public $txn_page_id;
+
+	public $thank_you_page_id;
+
+	public $cancel_page_id;
+
+	/**
+	 * The next 4 vars are the URLs of critical EE pages.
+	 *
+	 * @var int
+	 */
+	public $reg_page_url;
+
+	public $txn_page_url;
+
+	public $thank_you_page_url;
+
+	public $cancel_page_url;
+
+	/**
+	 * The next vars relate to the custom slugs for EE CPT routes
+	 */
+	public $event_cpt_slug;
+
+
+	/**
+	 * This caches the _ee_ueip_option in case this config is reset in the same
+	 * request across blog switches in a multisite context.
+	 * Avoids extra queries to the db for this option.
+	 *
+	 * @var bool
+	 */
+	public static $ee_ueip_option;
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    public
+	 */
+	public function __construct()
+	{
+		// set default organization settings
+		$this->current_blog_id = get_current_blog_id();
+		$this->current_blog_id = $this->current_blog_id === null ? 1 : $this->current_blog_id;
+		$this->ee_ueip_optin = $this->_get_main_ee_ueip_optin();
+		$this->ee_ueip_has_notified = is_main_site() ? get_option('ee_ueip_has_notified', false) : true;
+		$this->post_shortcodes = array();
+		$this->module_route_map = array();
+		$this->module_forward_map = array();
+		$this->module_view_map = array();
+		// critical EE page IDs
+		$this->reg_page_id = 0;
+		$this->txn_page_id = 0;
+		$this->thank_you_page_id = 0;
+		$this->cancel_page_id = 0;
+		// critical EE page URLs
+		$this->reg_page_url = '';
+		$this->txn_page_url = '';
+		$this->thank_you_page_url = '';
+		$this->cancel_page_url = '';
+		//cpt slugs
+		$this->event_cpt_slug = __('events', 'event_espresso');
+		//ueip constant check
+		if (defined('EE_DISABLE_UXIP') && EE_DISABLE_UXIP) {
+			$this->ee_ueip_optin = false;
+			$this->ee_ueip_has_notified = true;
+		}
+	}
+
+
+
+	/**
+	 * @return array
+	 */
+	public function get_critical_pages_array()
+	{
+		return array(
+			$this->reg_page_id,
+			$this->txn_page_id,
+			$this->thank_you_page_id,
+			$this->cancel_page_id,
+		);
+	}
+
+
+
+	/**
+	 * @return array
+	 */
+	public function get_critical_pages_shortcodes_array()
+	{
+		return array(
+			$this->reg_page_id       => 'ESPRESSO_CHECKOUT',
+			$this->txn_page_id       => 'ESPRESSO_TXN_PAGE',
+			$this->thank_you_page_id => 'ESPRESSO_THANK_YOU',
+			$this->cancel_page_id    => 'ESPRESSO_CANCELLED',
+		);
+	}
+
+
+
+	/**
+	 *  gets/returns URL for EE reg_page
+	 *
+	 * @access    public
+	 * @return    string
+	 */
+	public function reg_page_url()
+	{
+		if (! $this->reg_page_url) {
+			$this->reg_page_url = add_query_arg(
+									  array('uts' => time()),
+									  get_permalink($this->reg_page_id)
+								  ) . '#checkout';
+		}
+		return $this->reg_page_url;
+	}
+
+
+
+	/**
+	 *  gets/returns URL for EE txn_page
+	 *
+	 * @param array $query_args like what gets passed to
+	 *                          add_query_arg() as the first argument
+	 * @access    public
+	 * @return    string
+	 */
+	public function txn_page_url($query_args = array())
+	{
+		if (! $this->txn_page_url) {
+			$this->txn_page_url = get_permalink($this->txn_page_id);
+		}
+		if ($query_args) {
+			return add_query_arg($query_args, $this->txn_page_url);
+		} else {
+			return $this->txn_page_url;
+		}
+	}
+
+
+
+	/**
+	 *  gets/returns URL for EE thank_you_page
+	 *
+	 * @param array $query_args like what gets passed to
+	 *                          add_query_arg() as the first argument
+	 * @access    public
+	 * @return    string
+	 */
+	public function thank_you_page_url($query_args = array())
+	{
+		if (! $this->thank_you_page_url) {
+			$this->thank_you_page_url = get_permalink($this->thank_you_page_id);
+		}
+		if ($query_args) {
+			return add_query_arg($query_args, $this->thank_you_page_url);
+		} else {
+			return $this->thank_you_page_url;
+		}
+	}
+
+
+
+	/**
+	 *  gets/returns URL for EE cancel_page
+	 *
+	 * @access    public
+	 * @return    string
+	 */
+	public function cancel_page_url()
+	{
+		if (! $this->cancel_page_url) {
+			$this->cancel_page_url = get_permalink($this->cancel_page_id);
+		}
+		return $this->cancel_page_url;
+	}
+
+
+
+	/**
+	 * Resets all critical page urls to their original state.  Used primarily by the __sleep() magic method currently.
+	 *
+	 * @since 4.7.5
+	 */
+	protected function _reset_urls()
+	{
+		$this->reg_page_url = '';
+		$this->txn_page_url = '';
+		$this->cancel_page_url = '';
+		$this->thank_you_page_url = '';
+	}
+
+
+
+	/**
+	 * Used to return what the optin value is set for the EE User Experience Program.
+	 * This accounts for multisite and this value being requested for a subsite.  In multisite, the value is set
+	 * on the main site only.
+	 *
+	 * @return mixed|void
+	 */
+	protected function _get_main_ee_ueip_optin()
+	{
+		//if this is the main site then we can just bypass our direct query.
+		if (is_main_site()) {
+			return get_option('ee_ueip_optin', false);
+		}
+		//is this already cached for this request?  If so use it.
+		if ( ! empty(EE_Core_Config::$ee_ueip_option)) {
+			return EE_Core_Config::$ee_ueip_option;
+		}
+		global $wpdb;
+		$current_network_main_site = is_multisite() ? get_current_site() : null;
+		$current_main_site_id = ! empty($current_network_main_site) ? $current_network_main_site->blog_id : 1;
+		$option = 'ee_ueip_optin';
+		//set correct table for query
+		$table_name = $wpdb->get_blog_prefix($current_main_site_id) . 'options';
+		//rather than getting blog option for the $current_main_site_id, we do a direct $wpdb query because
+		//get_blog_option() does a switch_to_blog an that could cause infinite recursion because EE_Core_Config might be
+		//re-constructed on the blog switch.  Note, we are still executing any core wp filters on this option retrieval.
+		//this bit of code is basically a direct copy of get_option without any caching because we are NOT switched to the blog
+		//for the purpose of caching.
+		$pre = apply_filters('pre_option_' . $option, false, $option);
+		if (false !== $pre) {
+			EE_Core_Config::$ee_ueip_option = $pre;
+			return EE_Core_Config::$ee_ueip_option;
+		}
+		$row = $wpdb->get_row($wpdb->prepare("SELECT option_value FROM $table_name WHERE option_name = %s LIMIT 1",
+			$option));
+		if (is_object($row)) {
+			$value = $row->option_value;
+		} else { //option does not exist so use default.
+			return apply_filters('default_option_' . $option, false, $option);
+		}
+		EE_Core_Config::$ee_ueip_option = apply_filters('option_' . $option, maybe_unserialize($value), $option);
+		return EE_Core_Config::$ee_ueip_option;
+	}
+
+	/**
+	 * Utility function for escaping the value of a property and returning.
+	 *
+	 * @param string $property property name (checks to see if exists).
+	 * @return mixed if a detected type found return the escaped value, otherwise just the raw value is returned.
+	 * @throws \EE_Error
+	 */
+	public function get_pretty($property)
+	{
+		if ($property === 'ee_ueip_optin') {
+			return $this->ee_ueip_optin ? 'yes' : 'no';
+		}
+		return parent::get_pretty($property);
+	}
+
+
+	/**
+	 * Currently used to ensure critical page urls have initial values saved to the db instead of any current set values
+	 * on the object.
+	 *
+	 * @return array
+	 */
+	public function __sleep()
+	{
+		//reset all url properties
+		$this->_reset_urls();
+		//return what to save to db
+		return array_keys(get_object_vars($this));
+	}
 
+}
 
 
-    /**
-     *    class constructor
-     *
-     * @access    public
-     */
-    public function __construct()
-    {
-        // set default registration settings
-        $this->default_STS_ID = EEM_Registration::status_id_pending_payment;
-        $this->email_validation_level = 'wp_default';
-        $this->show_pending_payment_options = true;
-        $this->skip_reg_confirmation = false;
-        $this->reg_steps = array();
-        $this->reg_confirmation_last = false;
-        $this->use_bot_trap = true;
-        $this->use_encryption = true;
-        $this->use_captcha = false;
-        $this->recaptcha_theme = 'light';
-        $this->recaptcha_badge = 'bottomleft';
-        $this->recaptcha_type = 'image';
-        $this->recaptcha_language = 'en';
-        $this->recaptcha_publickey = null;
-        $this->recaptcha_privatekey = null;
-        $this->recaptcha_protected_forms = array();
-        $this->recaptcha_width = 500;
-        $this->default_maximum_number_of_tickets = 10;
-    }
-
-
-
-    /**
-     * This is called by the config loader and hooks are initialized AFTER the config has been populated.
-     *
-     * @since 4.8.8.rc.019
-     */
-    public function do_hooks()
-    {
-        add_action('AHEE__EE_Config___load_core_config__end', array($this, 'set_default_reg_status_on_EEM_Event'));
-        add_action('AHEE__EE_Config___load_core_config__end', array($this, 'set_default_max_ticket_on_EEM_Event'));
-    }
 
+/**
+ * Config class for storing info on the Organization
+ */
+class EE_Organization_Config extends EE_Config_Base
+{
 
+	/**
+	 * @var string $name
+	 * eg EE4.1
+	 */
+	public $name;
+
+	/**
+	 * @var string $address_1
+	 * eg 123 Onna Road
+	 */
+	public $address_1;
+
+	/**
+	 * @var string $address_2
+	 * eg PO Box 123
+	 */
+	public $address_2;
+
+	/**
+	 * @var string $city
+	 * eg Inna City
+	 */
+	public $city;
+
+	/**
+	 * @var int $STA_ID
+	 * eg 4
+	 */
+	public $STA_ID;
+
+	/**
+	 * @var string $CNT_ISO
+	 * eg US
+	 */
+	public $CNT_ISO;
+
+	/**
+	 * @var string $zip
+	 * eg 12345  or V1A 2B3
+	 */
+	public $zip;
+
+	/**
+	 * @var string $email
+	 * eg support@eventespresso.com
+	 */
+	public $email;
+
+
+	/**
+	 * @var string $phone
+	 * eg. 111-111-1111
+	 */
+	public $phone;
+
+
+	/**
+	 * @var string $vat
+	 * VAT/Tax Number
+	 */
+	public $vat;
+
+	/**
+	 * @var string $logo_url
+	 * eg http://www.somedomain.com/wp-content/uploads/kittehs.jpg
+	 */
+	public $logo_url;
+
+
+	/**
+	 * The below are all various properties for holding links to organization social network profiles
+	 *
+	 * @var string
+	 */
+	/**
+	 * facebook (facebook.com/profile.name)
+	 *
+	 * @var string
+	 */
+	public $facebook;
+
+
+	/**
+	 * twitter (twitter.com/twitter_handle)
+	 *
+	 * @var string
+	 */
+	public $twitter;
+
+
+	/**
+	 * linkedin (linkedin.com/in/profile_name)
+	 *
+	 * @var string
+	 */
+	public $linkedin;
+
+
+	/**
+	 * pinterest (www.pinterest.com/profile_name)
+	 *
+	 * @var string
+	 */
+	public $pinterest;
+
+
+	/**
+	 * google+ (google.com/+profileName)
+	 *
+	 * @var string
+	 */
+	public $google;
+
+
+	/**
+	 * instagram (instagram.com/handle)
+	 *
+	 * @var string
+	 */
+	public $instagram;
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    public
+	 */
+	public function __construct()
+	{
+		// set default organization settings
+		//decode HTML entities from the WP blogname, because it's stored in the DB with HTML entities encoded
+		$this->name = wp_specialchars_decode(get_bloginfo('name'), ENT_QUOTES);
+		$this->address_1 = '123 Onna Road';
+		$this->address_2 = 'PO Box 123';
+		$this->city = 'Inna City';
+		$this->STA_ID = 4;
+		$this->CNT_ISO = 'US';
+		$this->zip = '12345';
+		$this->email = get_bloginfo('admin_email');
+		$this->phone = '';
+		$this->vat = '123456789';
+		$this->logo_url = '';
+		$this->facebook = '';
+		$this->twitter = '';
+		$this->linkedin = '';
+		$this->pinterest = '';
+		$this->google = '';
+		$this->instagram = '';
+	}
 
-    /**
-     * Hooked into `AHEE__EE_Config___load_core_config__end` to ensure the default for the EVT_default_registration_status
-     * field matches the config setting for default_STS_ID.
-     */
-    public function set_default_reg_status_on_EEM_Event()
-    {
-        EEM_Event::set_default_reg_status($this->default_STS_ID);
-    }
+}
 
 
-    /**
-     * Hooked into `AHEE__EE_Config___load_core_config__end` to ensure the default for the EVT_additional_limit field
-     * for Events matches the config setting for default_maximum_number_of_tickets
-     */
-    public function set_default_max_ticket_on_EEM_Event()
-    {
-        EEM_Event::set_default_additional_limit($this->default_maximum_number_of_tickets);
-    }
 
+/**
+ * Class for defining what's in the EE_Config relating to currency
+ */
+class EE_Currency_Config extends EE_Config_Base
+{
 
+	/**
+	 * @var string $code
+	 * eg 'US'
+	 */
+	public $code;
+
+	/**
+	 * @var string $name
+	 * eg 'Dollar'
+	 */
+	public $name;
+
+	/**
+	 * plural name
+	 *
+	 * @var string $plural
+	 * eg 'Dollars'
+	 */
+	public $plural;
+
+	/**
+	 * currency sign
+	 *
+	 * @var string $sign
+	 * eg '$'
+	 */
+	public $sign;
+
+	/**
+	 * Whether the currency sign should come before the number or not
+	 *
+	 * @var boolean $sign_b4
+	 */
+	public $sign_b4;
+
+	/**
+	 * How many digits should come after the decimal place
+	 *
+	 * @var int $dec_plc
+	 */
+	public $dec_plc;
+
+	/**
+	 * Symbol to use for decimal mark
+	 *
+	 * @var string $dec_mrk
+	 * eg '.'
+	 */
+	public $dec_mrk;
+
+	/**
+	 * Symbol to use for thousands
+	 *
+	 * @var string $thsnds
+	 * eg ','
+	 */
+	public $thsnds;
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    public
+	 * @param string $CNT_ISO
+	 * @throws \EE_Error
+	 */
+	public function __construct($CNT_ISO = '')
+	{
+		/** @var \EventEspresso\core\services\database\TableAnalysis $table_analysis */
+		$table_analysis = EE_Registry::instance()->create('TableAnalysis', array(), true);
+		// get country code from organization settings or use default
+		$ORG_CNT = isset(EE_Registry::instance()->CFG->organization)
+				   && EE_Registry::instance()->CFG->organization instanceof EE_Organization_Config
+			? EE_Registry::instance()->CFG->organization->CNT_ISO
+			: '';
+		// but override if requested
+		$CNT_ISO = ! empty($CNT_ISO) ? $CNT_ISO : $ORG_CNT;
+		// so if that all went well, and we are not in M-Mode (cuz you can't query the db in M-Mode) and double-check the countries table exists
+		if (
+			! empty($CNT_ISO)
+			&& EE_Maintenance_Mode::instance()->models_can_query()
+			&& $table_analysis->tableExists(EE_Registry::instance()->load_model('Country')->table())
+		) {
+			// retrieve the country settings from the db, just in case they have been customized
+			$country = EE_Registry::instance()->load_model('Country')->get_one_by_ID($CNT_ISO);
+			if ($country instanceof EE_Country) {
+				$this->code = $country->currency_code();    // currency code: USD, CAD, EUR
+				$this->name = $country->currency_name_single();    // Dollar
+				$this->plural = $country->currency_name_plural();    // Dollars
+				$this->sign = $country->currency_sign();            // currency sign: $
+				$this->sign_b4 = $country->currency_sign_before();        // currency sign before or after: $TRUE  or  FALSE$
+				$this->dec_plc = $country->currency_decimal_places();    // decimal places: 2 = 0.00  3 = 0.000
+				$this->dec_mrk = $country->currency_decimal_mark();    // decimal mark: (comma) ',' = 0,01   or (decimal) '.' = 0.01
+				$this->thsnds = $country->currency_thousands_separator();    // thousands separator: (comma) ',' = 1,000   or (decimal) '.' = 1.000
+			}
+		}
+		// fallback to hardcoded defaults, in case the above failed
+		if (empty($this->code)) {
+			// set default currency settings
+			$this->code = 'USD';    // currency code: USD, CAD, EUR
+			$this->name = __('Dollar', 'event_espresso');    // Dollar
+			$this->plural = __('Dollars', 'event_espresso');    // Dollars
+			$this->sign = '$';    // currency sign: $
+			$this->sign_b4 = true;    // currency sign before or after: $TRUE  or  FALSE$
+			$this->dec_plc = 2;    // decimal places: 2 = 0.00  3 = 0.000
+			$this->dec_mrk = '.';    // decimal mark: (comma) ',' = 0,01   or (decimal) '.' = 0.01
+			$this->thsnds = ',';    // thousands separator: (comma) ',' = 1,000   or (decimal) '.' = 1.000
+		}
+	}
+}
 
-    /**
-     * @return boolean
-     */
-    public function track_invalid_checkout_access()
-    {
-        return $this->track_invalid_checkout_access;
-    }
 
 
+/**
+ * Class for defining what's in the EE_Config relating to registration settings
+ */
+class EE_Registration_Config extends EE_Config_Base
+{
 
-    /**
-     * @param boolean $track_invalid_checkout_access
-     */
-    public function set_track_invalid_checkout_access($track_invalid_checkout_access)
-    {
-        $this->track_invalid_checkout_access = filter_var(
-            $track_invalid_checkout_access,
-            FILTER_VALIDATE_BOOLEAN
-        );
-    }
+	/**
+	 * Default registration status
+	 *
+	 * @var string $default_STS_ID
+	 * eg 'RPP'
+	 */
+	public $default_STS_ID;
+
+
+	/**
+	 * For new events, this will be the default value for the maximum number of tickets (equivalent to maximum number of
+	 * registrations)
+	 * @var int
+	 */
+	public $default_maximum_number_of_tickets;
+
+
+	/**
+	 * level of validation to apply to email addresses
+	 *
+	 * @var string $email_validation_level
+	 * options: 'basic', 'wp_default', 'i18n', 'i18n_dns'
+	 */
+	public $email_validation_level;
+
+	/**
+	 *    whether or not to show alternate payment options during the reg process if payment status is pending
+	 *
+	 * @var boolean $show_pending_payment_options
+	 */
+	public $show_pending_payment_options;
+
+	/**
+	 * Whether to skip the registration confirmation page
+	 *
+	 * @var boolean $skip_reg_confirmation
+	 */
+	public $skip_reg_confirmation;
+
+	/**
+	 * an array of SPCO reg steps where:
+	 *        the keys denotes the reg step order
+	 *        each element consists of an array with the following elements:
+	 *            "file_path" => the file path to the EE_SPCO_Reg_Step class
+	 *            "class_name" => the specific EE_SPCO_Reg_Step child class name
+	 *            "slug" => the URL param used to trigger the reg step
+	 *
+	 * @var array $reg_steps
+	 */
+	public $reg_steps;
+
+	/**
+	 * Whether registration confirmation should be the last page of SPCO
+	 *
+	 * @var boolean $reg_confirmation_last
+	 */
+	public $reg_confirmation_last;
+
+	/**
+	 * Whether or not to enable the EE Bot Trap
+	 *
+	 * @var boolean $use_bot_trap
+	 */
+	public $use_bot_trap;
+
+	/**
+	 * Whether or not to encrypt some data sent by the EE Bot Trap
+	 *
+	 * @var boolean $use_encryption
+	 */
+	public $use_encryption;
+
+	/**
+	 * Whether or not to use ReCaptcha
+	 *
+	 * @var boolean $use_captcha
+	 */
+	public $use_captcha;
+
+	/**
+	 * ReCaptcha Theme
+	 *
+	 * @var string $recaptcha_theme
+	 *    options: 'dark', 'light', 'invisible'
+	 */
+	public $recaptcha_theme;
+
+	/**
+	 * ReCaptcha Badge - determines the position of the reCAPTCHA badge if using Invisible ReCaptcha.
+	 *
+	 * @var string $recaptcha_badge
+	 *    options: 'bottomright', 'bottomleft', 'inline'
+	 */
+	public $recaptcha_badge;
+
+	/**
+	 * ReCaptcha Type
+	 *
+	 * @var string $recaptcha_type
+	 *    options: 'audio', 'image'
+	 */
+	public $recaptcha_type;
+
+	/**
+	 * ReCaptcha language
+	 *
+	 * @var string $recaptcha_language
+	 * eg 'en'
+	 */
+	public $recaptcha_language;
+
+	/**
+	 * ReCaptcha public key
+	 *
+	 * @var string $recaptcha_publickey
+	 */
+	public $recaptcha_publickey;
+
+	/**
+	 * ReCaptcha private key
+	 *
+	 * @var string $recaptcha_privatekey
+	 */
+	public $recaptcha_privatekey;
+
+	/**
+	 * array of form names protected by ReCaptcha
+	 *
+	 * @var array $recaptcha_protected_forms
+	 */
+	public $recaptcha_protected_forms;
+
+	/**
+	 * ReCaptcha width
+	 *
+	 * @var int $recaptcha_width
+	 * @deprecated
+	 */
+	public $recaptcha_width;
+
+	/**
+	 * Whether or not invalid attempts to directly access the registration checkout page should be tracked.
+	 *
+	 * @var boolean $track_invalid_checkout_access
+	 */
+	protected $track_invalid_checkout_access = true;
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    public
+	 */
+	public function __construct()
+	{
+		// set default registration settings
+		$this->default_STS_ID = EEM_Registration::status_id_pending_payment;
+		$this->email_validation_level = 'wp_default';
+		$this->show_pending_payment_options = true;
+		$this->skip_reg_confirmation = false;
+		$this->reg_steps = array();
+		$this->reg_confirmation_last = false;
+		$this->use_bot_trap = true;
+		$this->use_encryption = true;
+		$this->use_captcha = false;
+		$this->recaptcha_theme = 'light';
+		$this->recaptcha_badge = 'bottomleft';
+		$this->recaptcha_type = 'image';
+		$this->recaptcha_language = 'en';
+		$this->recaptcha_publickey = null;
+		$this->recaptcha_privatekey = null;
+		$this->recaptcha_protected_forms = array();
+		$this->recaptcha_width = 500;
+		$this->default_maximum_number_of_tickets = 10;
+	}
+
+
+
+	/**
+	 * This is called by the config loader and hooks are initialized AFTER the config has been populated.
+	 *
+	 * @since 4.8.8.rc.019
+	 */
+	public function do_hooks()
+	{
+		add_action('AHEE__EE_Config___load_core_config__end', array($this, 'set_default_reg_status_on_EEM_Event'));
+		add_action('AHEE__EE_Config___load_core_config__end', array($this, 'set_default_max_ticket_on_EEM_Event'));
+	}
+
+
+
+	/**
+	 * Hooked into `AHEE__EE_Config___load_core_config__end` to ensure the default for the EVT_default_registration_status
+	 * field matches the config setting for default_STS_ID.
+	 */
+	public function set_default_reg_status_on_EEM_Event()
+	{
+		EEM_Event::set_default_reg_status($this->default_STS_ID);
+	}
+
+
+	/**
+	 * Hooked into `AHEE__EE_Config___load_core_config__end` to ensure the default for the EVT_additional_limit field
+	 * for Events matches the config setting for default_maximum_number_of_tickets
+	 */
+	public function set_default_max_ticket_on_EEM_Event()
+	{
+		EEM_Event::set_default_additional_limit($this->default_maximum_number_of_tickets);
+	}
+
+
+
+	/**
+	 * @return boolean
+	 */
+	public function track_invalid_checkout_access()
+	{
+		return $this->track_invalid_checkout_access;
+	}
+
+
+
+	/**
+	 * @param boolean $track_invalid_checkout_access
+	 */
+	public function set_track_invalid_checkout_access($track_invalid_checkout_access)
+	{
+		$this->track_invalid_checkout_access = filter_var(
+			$track_invalid_checkout_access,
+			FILTER_VALIDATE_BOOLEAN
+		);
+	}
 
 
 
@@ -2498,160 +2498,160 @@ 
 class EE_Admin_Config extends EE_Config_Base
 {
 
-    /**
-     * @var boolean $use_personnel_manager
-     */
-    public $use_personnel_manager;
-
-    /**
-     * @var boolean $use_dashboard_widget
-     */
-    public $use_dashboard_widget;
-
-    /**
-     * @var int $events_in_dashboard
-     */
-    public $events_in_dashboard;
-
-    /**
-     * @var boolean $use_event_timezones
-     */
-    public $use_event_timezones;
-
-    /**
-     * @var boolean $use_full_logging
-     */
-    public $use_full_logging;
-
-    /**
-     * @var string $log_file_name
-     */
-    public $log_file_name;
-
-    /**
-     * @var string $debug_file_name
-     */
-    public $debug_file_name;
-
-    /**
-     * @var boolean $use_remote_logging
-     */
-    public $use_remote_logging;
-
-    /**
-     * @var string $remote_logging_url
-     */
-    public $remote_logging_url;
-
-    /**
-     * @var boolean $show_reg_footer
-     */
-    public $show_reg_footer;
-
-    /**
-     * @var string $affiliate_id
-     */
-    public $affiliate_id;
-
-    /**
-     * help tours on or off (global setting)
-     *
-     * @var boolean
-     */
-    public $help_tour_activation;
-
-    /**
-     * adds extra layer of encoding to session data to prevent serialization errors
-     * but is incompatible with some server configuration errors
-     * if you get "500 internal server errors" during registration, try turning this on
-     * if you get PHP fatal errors regarding base 64 methods not defined, then turn this off
-     *
-     * @var boolean $encode_session_data
-     */
-    private $encode_session_data = false;
-
-
-
-    /**
-     *    class constructor
-     *
-     * @access    public
-     */
-    public function __construct()
-    {
-        // set default general admin settings
-        $this->use_personnel_manager = true;
-        $this->use_dashboard_widget = true;
-        $this->events_in_dashboard = 30;
-        $this->use_event_timezones = false;
-        $this->use_full_logging = false;
-        $this->use_remote_logging = false;
-        $this->remote_logging_url = null;
-        $this->show_reg_footer = true;
-        $this->affiliate_id = 'default';
-        $this->help_tour_activation = true;
-        $this->encode_session_data = false;
-    }
-
-
-
-    /**
-     * @param bool $reset
-     * @return string
-     */
-    public function log_file_name($reset = false)
-    {
-        if (empty($this->log_file_name) || $reset) {
-            $this->log_file_name = sanitize_key('espresso_log_' . md5(uniqid('', true))) . '.txt';
-            EE_Config::instance()->update_espresso_config(false, false);
-        }
-        return $this->log_file_name;
-    }
-
-
-
-    /**
-     * @param bool $reset
-     * @return string
-     */
-    public function debug_file_name($reset = false)
-    {
-        if (empty($this->debug_file_name) || $reset) {
-            $this->debug_file_name = sanitize_key('espresso_debug_' . md5(uniqid('', true))) . '.txt';
-            EE_Config::instance()->update_espresso_config(false, false);
-        }
-        return $this->debug_file_name;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function affiliate_id()
-    {
-        return ! empty($this->affiliate_id) ? $this->affiliate_id : 'default';
-    }
-
-
-
-    /**
-     * @return boolean
-     */
-    public function encode_session_data()
-    {
-        return filter_var($this->encode_session_data, FILTER_VALIDATE_BOOLEAN);
-    }
-
-
-
-    /**
-     * @param boolean $encode_session_data
-     */
-    public function set_encode_session_data($encode_session_data)
-    {
-        $this->encode_session_data = filter_var($encode_session_data, FILTER_VALIDATE_BOOLEAN);
-    }
+	/**
+	 * @var boolean $use_personnel_manager
+	 */
+	public $use_personnel_manager;
+
+	/**
+	 * @var boolean $use_dashboard_widget
+	 */
+	public $use_dashboard_widget;
+
+	/**
+	 * @var int $events_in_dashboard
+	 */
+	public $events_in_dashboard;
+
+	/**
+	 * @var boolean $use_event_timezones
+	 */
+	public $use_event_timezones;
+
+	/**
+	 * @var boolean $use_full_logging
+	 */
+	public $use_full_logging;
+
+	/**
+	 * @var string $log_file_name
+	 */
+	public $log_file_name;
+
+	/**
+	 * @var string $debug_file_name
+	 */
+	public $debug_file_name;
+
+	/**
+	 * @var boolean $use_remote_logging
+	 */
+	public $use_remote_logging;
+
+	/**
+	 * @var string $remote_logging_url
+	 */
+	public $remote_logging_url;
+
+	/**
+	 * @var boolean $show_reg_footer
+	 */
+	public $show_reg_footer;
+
+	/**
+	 * @var string $affiliate_id
+	 */
+	public $affiliate_id;
+
+	/**
+	 * help tours on or off (global setting)
+	 *
+	 * @var boolean
+	 */
+	public $help_tour_activation;
+
+	/**
+	 * adds extra layer of encoding to session data to prevent serialization errors
+	 * but is incompatible with some server configuration errors
+	 * if you get "500 internal server errors" during registration, try turning this on
+	 * if you get PHP fatal errors regarding base 64 methods not defined, then turn this off
+	 *
+	 * @var boolean $encode_session_data
+	 */
+	private $encode_session_data = false;
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    public
+	 */
+	public function __construct()
+	{
+		// set default general admin settings
+		$this->use_personnel_manager = true;
+		$this->use_dashboard_widget = true;
+		$this->events_in_dashboard = 30;
+		$this->use_event_timezones = false;
+		$this->use_full_logging = false;
+		$this->use_remote_logging = false;
+		$this->remote_logging_url = null;
+		$this->show_reg_footer = true;
+		$this->affiliate_id = 'default';
+		$this->help_tour_activation = true;
+		$this->encode_session_data = false;
+	}
+
+
+
+	/**
+	 * @param bool $reset
+	 * @return string
+	 */
+	public function log_file_name($reset = false)
+	{
+		if (empty($this->log_file_name) || $reset) {
+			$this->log_file_name = sanitize_key('espresso_log_' . md5(uniqid('', true))) . '.txt';
+			EE_Config::instance()->update_espresso_config(false, false);
+		}
+		return $this->log_file_name;
+	}
+
+
+
+	/**
+	 * @param bool $reset
+	 * @return string
+	 */
+	public function debug_file_name($reset = false)
+	{
+		if (empty($this->debug_file_name) || $reset) {
+			$this->debug_file_name = sanitize_key('espresso_debug_' . md5(uniqid('', true))) . '.txt';
+			EE_Config::instance()->update_espresso_config(false, false);
+		}
+		return $this->debug_file_name;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function affiliate_id()
+	{
+		return ! empty($this->affiliate_id) ? $this->affiliate_id : 'default';
+	}
+
+
+
+	/**
+	 * @return boolean
+	 */
+	public function encode_session_data()
+	{
+		return filter_var($this->encode_session_data, FILTER_VALIDATE_BOOLEAN);
+	}
+
+
+
+	/**
+	 * @param boolean $encode_session_data
+	 */
+	public function set_encode_session_data($encode_session_data)
+	{
+		$this->encode_session_data = filter_var($encode_session_data, FILTER_VALIDATE_BOOLEAN);
+	}
 
 
 
@@ -2665,71 +2665,71 @@ 
 class EE_Template_Config extends EE_Config_Base
 {
 
-    /**
-     * @var boolean $enable_default_style
-     */
-    public $enable_default_style;
-
-    /**
-     * @var string $custom_style_sheet
-     */
-    public $custom_style_sheet;
-
-    /**
-     * @var boolean $display_address_in_regform
-     */
-    public $display_address_in_regform;
-
-    /**
-     * @var int $display_description_on_multi_reg_page
-     */
-    public $display_description_on_multi_reg_page;
-
-    /**
-     * @var boolean $use_custom_templates
-     */
-    public $use_custom_templates;
-
-    /**
-     * @var string $current_espresso_theme
-     */
-    public $current_espresso_theme;
-
-    /**
-     * @var EE_Ticket_Selector_Config $EED_Ticket_Selector
-     */
-    public $EED_Ticket_Selector;
-
-    /**
-     * @var EE_Event_Single_Config $EED_Event_Single
-     */
-    public $EED_Event_Single;
-
-    /**
-     * @var EE_Events_Archive_Config $EED_Events_Archive
-     */
-    public $EED_Events_Archive;
-
-
-
-    /**
-     *    class constructor
-     *
-     * @access    public
-     */
-    public function __construct()
-    {
-        // set default template settings
-        $this->enable_default_style = true;
-        $this->custom_style_sheet = null;
-        $this->display_address_in_regform = true;
-        $this->display_description_on_multi_reg_page = false;
-        $this->use_custom_templates = false;
-        $this->current_espresso_theme = 'Espresso_Arabica_2014';
-        $this->EED_Event_Single = null;
-        $this->EED_Events_Archive = null;
-        $this->EED_Ticket_Selector = null;
-    }
+	/**
+	 * @var boolean $enable_default_style
+	 */
+	public $enable_default_style;
+
+	/**
+	 * @var string $custom_style_sheet
+	 */
+	public $custom_style_sheet;
+
+	/**
+	 * @var boolean $display_address_in_regform
+	 */
+	public $display_address_in_regform;
+
+	/**
+	 * @var int $display_description_on_multi_reg_page
+	 */
+	public $display_description_on_multi_reg_page;
+
+	/**
+	 * @var boolean $use_custom_templates
+	 */
+	public $use_custom_templates;
+
+	/**
+	 * @var string $current_espresso_theme
+	 */
+	public $current_espresso_theme;
+
+	/**
+	 * @var EE_Ticket_Selector_Config $EED_Ticket_Selector
+	 */
+	public $EED_Ticket_Selector;
+
+	/**
+	 * @var EE_Event_Single_Config $EED_Event_Single
+	 */
+	public $EED_Event_Single;
+
+	/**
+	 * @var EE_Events_Archive_Config $EED_Events_Archive
+	 */
+	public $EED_Events_Archive;
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    public
+	 */
+	public function __construct()
+	{
+		// set default template settings
+		$this->enable_default_style = true;
+		$this->custom_style_sheet = null;
+		$this->display_address_in_regform = true;
+		$this->display_description_on_multi_reg_page = false;
+		$this->use_custom_templates = false;
+		$this->current_espresso_theme = 'Espresso_Arabica_2014';
+		$this->EED_Event_Single = null;
+		$this->EED_Events_Archive = null;
+		$this->EED_Ticket_Selector = null;
+	}
 
 }
 
@@ -2741,115 +2741,115 @@ 
 class EE_Map_Config extends EE_Config_Base
 {
 
-    /**
-     * @var boolean $use_google_maps
-     */
-    public $use_google_maps;
-
-    /**
-     * @var string $api_key
-     */
-    public $google_map_api_key;
-
-    /**
-     * @var int $event_details_map_width
-     */
-    public $event_details_map_width;
-
-    /**
-     * @var int $event_details_map_height
-     */
-    public $event_details_map_height;
-
-    /**
-     * @var int $event_details_map_zoom
-     */
-    public $event_details_map_zoom;
-
-    /**
-     * @var boolean $event_details_display_nav
-     */
-    public $event_details_display_nav;
-
-    /**
-     * @var boolean $event_details_nav_size
-     */
-    public $event_details_nav_size;
-
-    /**
-     * @var string $event_details_control_type
-     */
-    public $event_details_control_type;
-
-    /**
-     * @var string $event_details_map_align
-     */
-    public $event_details_map_align;
-
-    /**
-     * @var int $event_list_map_width
-     */
-    public $event_list_map_width;
-
-    /**
-     * @var int $event_list_map_height
-     */
-    public $event_list_map_height;
-
-    /**
-     * @var int $event_list_map_zoom
-     */
-    public $event_list_map_zoom;
-
-    /**
-     * @var boolean $event_list_display_nav
-     */
-    public $event_list_display_nav;
-
-    /**
-     * @var boolean $event_list_nav_size
-     */
-    public $event_list_nav_size;
-
-    /**
-     * @var string $event_list_control_type
-     */
-    public $event_list_control_type;
-
-    /**
-     * @var string $event_list_map_align
-     */
-    public $event_list_map_align;
-
-
-
-    /**
-     *    class constructor
-     *
-     * @access    public
-     */
-    public function __construct()
-    {
-        // set default map settings
-        $this->use_google_maps = true;
-        $this->google_map_api_key = '';
-        // for event details pages (reg page)
-        $this->event_details_map_width = 585;            // ee_map_width_single
-        $this->event_details_map_height = 362;            // ee_map_height_single
-        $this->event_details_map_zoom = 14;            // ee_map_zoom_single
-        $this->event_details_display_nav = true;            // ee_map_nav_display_single
-        $this->event_details_nav_size = false;            // ee_map_nav_size_single
-        $this->event_details_control_type = 'default';        // ee_map_type_control_single
-        $this->event_details_map_align = 'center';            // ee_map_align_single
-        // for event list pages
-        $this->event_list_map_width = 300;            // ee_map_width
-        $this->event_list_map_height = 185;        // ee_map_height
-        $this->event_list_map_zoom = 12;            // ee_map_zoom
-        $this->event_list_display_nav = false;        // ee_map_nav_display
-        $this->event_list_nav_size = true;            // ee_map_nav_size
-        $this->event_list_control_type = 'dropdown';        // ee_map_type_control
-        $this->event_list_map_align = 'center';            // ee_map_align
-    }
+	/**
+	 * @var boolean $use_google_maps
+	 */
+	public $use_google_maps;
+
+	/**
+	 * @var string $api_key
+	 */
+	public $google_map_api_key;
+
+	/**
+	 * @var int $event_details_map_width
+	 */
+	public $event_details_map_width;
+
+	/**
+	 * @var int $event_details_map_height
+	 */
+	public $event_details_map_height;
+
+	/**
+	 * @var int $event_details_map_zoom
+	 */
+	public $event_details_map_zoom;
+
+	/**
+	 * @var boolean $event_details_display_nav
+	 */
+	public $event_details_display_nav;
+
+	/**
+	 * @var boolean $event_details_nav_size
+	 */
+	public $event_details_nav_size;
+
+	/**
+	 * @var string $event_details_control_type
+	 */
+	public $event_details_control_type;
+
+	/**
+	 * @var string $event_details_map_align
+	 */
+	public $event_details_map_align;
+
+	/**
+	 * @var int $event_list_map_width
+	 */
+	public $event_list_map_width;
+
+	/**
+	 * @var int $event_list_map_height
+	 */
+	public $event_list_map_height;
+
+	/**
+	 * @var int $event_list_map_zoom
+	 */
+	public $event_list_map_zoom;
+
+	/**
+	 * @var boolean $event_list_display_nav
+	 */
+	public $event_list_display_nav;
+
+	/**
+	 * @var boolean $event_list_nav_size
+	 */
+	public $event_list_nav_size;
+
+	/**
+	 * @var string $event_list_control_type
+	 */
+	public $event_list_control_type;
+
+	/**
+	 * @var string $event_list_map_align
+	 */
+	public $event_list_map_align;
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    public
+	 */
+	public function __construct()
+	{
+		// set default map settings
+		$this->use_google_maps = true;
+		$this->google_map_api_key = '';
+		// for event details pages (reg page)
+		$this->event_details_map_width = 585;            // ee_map_width_single
+		$this->event_details_map_height = 362;            // ee_map_height_single
+		$this->event_details_map_zoom = 14;            // ee_map_zoom_single
+		$this->event_details_display_nav = true;            // ee_map_nav_display_single
+		$this->event_details_nav_size = false;            // ee_map_nav_size_single
+		$this->event_details_control_type = 'default';        // ee_map_type_control_single
+		$this->event_details_map_align = 'center';            // ee_map_align_single
+		// for event list pages
+		$this->event_list_map_width = 300;            // ee_map_width
+		$this->event_list_map_height = 185;        // ee_map_height
+		$this->event_list_map_zoom = 12;            // ee_map_zoom
+		$this->event_list_display_nav = false;        // ee_map_nav_display
+		$this->event_list_nav_size = true;            // ee_map_nav_size
+		$this->event_list_control_type = 'dropdown';        // ee_map_type_control
+		$this->event_list_map_align = 'center';            // ee_map_align
+	}
 
 }
 
@@ -2861,47 +2861,47 @@ 
 class EE_Events_Archive_Config extends EE_Config_Base
 {
 
-    public $display_status_banner;
+	public $display_status_banner;
 
-    public $display_description;
+	public $display_description;
 
-    public $display_ticket_selector;
+	public $display_ticket_selector;
 
-    public $display_datetimes;
+	public $display_datetimes;
 
-    public $display_venue;
+	public $display_venue;
 
-    public $display_expired_events;
+	public $display_expired_events;
 
-    public $use_sortable_display_order;
+	public $use_sortable_display_order;
 
-    public $display_order_tickets;
+	public $display_order_tickets;
 
-    public $display_order_datetimes;
+	public $display_order_datetimes;
 
-    public $display_order_event;
+	public $display_order_event;
 
-    public $display_order_venue;
+	public $display_order_venue;
 
 
 
-    /**
-     *    class constructor
-     */
-    public function __construct()
-    {
-        $this->display_status_banner = 0;
-        $this->display_description = 1;
-        $this->display_ticket_selector = 0;
-        $this->display_datetimes = 1;
-        $this->display_venue = 0;
-        $this->display_expired_events = 0;
-        $this->use_sortable_display_order = false;
-        $this->display_order_tickets = 100;
-        $this->display_order_datetimes = 110;
-        $this->display_order_event = 120;
-        $this->display_order_venue = 130;
-    }
+	/**
+	 *    class constructor
+	 */
+	public function __construct()
+	{
+		$this->display_status_banner = 0;
+		$this->display_description = 1;
+		$this->display_ticket_selector = 0;
+		$this->display_datetimes = 1;
+		$this->display_venue = 0;
+		$this->display_expired_events = 0;
+		$this->use_sortable_display_order = false;
+		$this->display_order_tickets = 100;
+		$this->display_order_datetimes = 110;
+		$this->display_order_event = 120;
+		$this->display_order_venue = 130;
+	}
 }
 
 
@@ -2912,35 +2912,35 @@ 
 class EE_Event_Single_Config extends EE_Config_Base
 {
 
-    public $display_status_banner_single;
+	public $display_status_banner_single;
 
-    public $display_venue;
+	public $display_venue;
 
-    public $use_sortable_display_order;
+	public $use_sortable_display_order;
 
-    public $display_order_tickets;
+	public $display_order_tickets;
 
-    public $display_order_datetimes;
+	public $display_order_datetimes;
 
-    public $display_order_event;
+	public $display_order_event;
 
-    public $display_order_venue;
+	public $display_order_venue;
 
 
 
-    /**
-     *    class constructor
-     */
-    public function __construct()
-    {
-        $this->display_status_banner_single = 0;
-        $this->display_venue = 1;
-        $this->use_sortable_display_order = false;
-        $this->display_order_tickets = 100;
-        $this->display_order_datetimes = 110;
-        $this->display_order_event = 120;
-        $this->display_order_venue = 130;
-    }
+	/**
+	 *    class constructor
+	 */
+	public function __construct()
+	{
+		$this->display_status_banner_single = 0;
+		$this->display_venue = 1;
+		$this->use_sortable_display_order = false;
+		$this->display_order_tickets = 100;
+		$this->display_order_datetimes = 110;
+		$this->display_order_event = 120;
+		$this->display_order_venue = 130;
+	}
 }
 
 
@@ -2951,152 +2951,152 @@ 
 class EE_Ticket_Selector_Config extends EE_Config_Base
 {
 
-    /**
-     * constant to indicate that a datetime selector should NEVER be shown for ticket selectors
-     */
-    const DO_NOT_SHOW_DATETIME_SELECTOR = 'no_datetime_selector';
-
-    /**
-     * constant to indicate that a datetime selector should only be shown for ticket selectors
-     * when the number of datetimes for the event matches the value set for $datetime_selector_threshold
-     */
-    const MAYBE_SHOW_DATETIME_SELECTOR = 'maybe_datetime_selector';
-
-    /**
-     * @var boolean $show_ticket_sale_columns
-     */
-    public $show_ticket_sale_columns;
-
-    /**
-     * @var boolean $show_ticket_details
-     */
-    public $show_ticket_details;
-
-    /**
-     * @var boolean $show_expired_tickets
-     */
-    public $show_expired_tickets;
-
-    /**
-     * whether or not to display a dropdown box populated with event datetimes
-     * that toggles which tickets are displayed for a ticket selector.
-     * uses one of the *_DATETIME_SELECTOR constants defined above
-     *
-     * @var string $show_datetime_selector
-     */
-    private $show_datetime_selector = 'no_datetime_selector';
-
-    /**
-     * the number of datetimes an event has to have before conditionally displaying a datetime selector
-     *
-     * @var int $datetime_selector_threshold
-     */
-    private $datetime_selector_threshold = 3;
-
-
-
-    /**
-     *    class constructor
-     */
-    public function __construct()
-    {
-        $this->show_ticket_sale_columns = true;
-        $this->show_ticket_details = true;
-        $this->show_expired_tickets = true;
-        $this->show_datetime_selector = \EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR;
-        $this->datetime_selector_threshold = 3;
-    }
-
-
-
-    /**
-     * returns true if a datetime selector should be displayed
-     *
-     * @param array $datetimes
-     * @return bool
-     */
-    public function showDatetimeSelector(array $datetimes)
-    {
-        // if the settings are NOT: don't show OR below threshold, THEN active = true
-        return ! (
-            $this->getShowDatetimeSelector() === \EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR
-            || (
-                $this->getShowDatetimeSelector() === \EE_Ticket_Selector_Config::MAYBE_SHOW_DATETIME_SELECTOR
-                && count($datetimes) < $this->getDatetimeSelectorThreshold()
-            )
-        );
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function getShowDatetimeSelector()
-    {
-        return $this->show_datetime_selector;
-    }
-
-
-
-    /**
-     * @param bool $keys_only
-     * @return array
-     */
-    public function getShowDatetimeSelectorOptions($keys_only = true)
-    {
-        return $keys_only
-            ? array(
-                \EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR,
-                \EE_Ticket_Selector_Config::MAYBE_SHOW_DATETIME_SELECTOR,
-            )
-            : array(
-                \EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR => esc_html__(
-                    'Do not show date & time filter', 'event_espresso'
-                ),
-                \EE_Ticket_Selector_Config::MAYBE_SHOW_DATETIME_SELECTOR  => esc_html__(
-                    'Maybe show date & time filter', 'event_espresso'
-                ),
-            );
-    }
-
-
-
-    /**
-     * @param string $show_datetime_selector
-     */
-    public function setShowDatetimeSelector($show_datetime_selector)
-    {
-        $this->show_datetime_selector = in_array(
-            $show_datetime_selector,
-            $this->getShowDatetimeSelectorOptions(),
-            true
-        )
-            ? $show_datetime_selector
-            : \EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR;
-    }
-
-
-
-    /**
-     * @return int
-     */
-    public function getDatetimeSelectorThreshold()
-    {
-        return $this->datetime_selector_threshold;
-    }
-
-
-
-
-    /**
-     * @param int $datetime_selector_threshold
-     */
-    public function setDatetimeSelectorThreshold($datetime_selector_threshold)
-    {
-        $datetime_selector_threshold = absint($datetime_selector_threshold);
-        $this->datetime_selector_threshold = $datetime_selector_threshold ? $datetime_selector_threshold : 3;
-    }
+	/**
+	 * constant to indicate that a datetime selector should NEVER be shown for ticket selectors
+	 */
+	const DO_NOT_SHOW_DATETIME_SELECTOR = 'no_datetime_selector';
+
+	/**
+	 * constant to indicate that a datetime selector should only be shown for ticket selectors
+	 * when the number of datetimes for the event matches the value set for $datetime_selector_threshold
+	 */
+	const MAYBE_SHOW_DATETIME_SELECTOR = 'maybe_datetime_selector';
+
+	/**
+	 * @var boolean $show_ticket_sale_columns
+	 */
+	public $show_ticket_sale_columns;
+
+	/**
+	 * @var boolean $show_ticket_details
+	 */
+	public $show_ticket_details;
+
+	/**
+	 * @var boolean $show_expired_tickets
+	 */
+	public $show_expired_tickets;
+
+	/**
+	 * whether or not to display a dropdown box populated with event datetimes
+	 * that toggles which tickets are displayed for a ticket selector.
+	 * uses one of the *_DATETIME_SELECTOR constants defined above
+	 *
+	 * @var string $show_datetime_selector
+	 */
+	private $show_datetime_selector = 'no_datetime_selector';
+
+	/**
+	 * the number of datetimes an event has to have before conditionally displaying a datetime selector
+	 *
+	 * @var int $datetime_selector_threshold
+	 */
+	private $datetime_selector_threshold = 3;
+
+
+
+	/**
+	 *    class constructor
+	 */
+	public function __construct()
+	{
+		$this->show_ticket_sale_columns = true;
+		$this->show_ticket_details = true;
+		$this->show_expired_tickets = true;
+		$this->show_datetime_selector = \EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR;
+		$this->datetime_selector_threshold = 3;
+	}
+
+
+
+	/**
+	 * returns true if a datetime selector should be displayed
+	 *
+	 * @param array $datetimes
+	 * @return bool
+	 */
+	public function showDatetimeSelector(array $datetimes)
+	{
+		// if the settings are NOT: don't show OR below threshold, THEN active = true
+		return ! (
+			$this->getShowDatetimeSelector() === \EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR
+			|| (
+				$this->getShowDatetimeSelector() === \EE_Ticket_Selector_Config::MAYBE_SHOW_DATETIME_SELECTOR
+				&& count($datetimes) < $this->getDatetimeSelectorThreshold()
+			)
+		);
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function getShowDatetimeSelector()
+	{
+		return $this->show_datetime_selector;
+	}
+
+
+
+	/**
+	 * @param bool $keys_only
+	 * @return array
+	 */
+	public function getShowDatetimeSelectorOptions($keys_only = true)
+	{
+		return $keys_only
+			? array(
+				\EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR,
+				\EE_Ticket_Selector_Config::MAYBE_SHOW_DATETIME_SELECTOR,
+			)
+			: array(
+				\EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR => esc_html__(
+					'Do not show date & time filter', 'event_espresso'
+				),
+				\EE_Ticket_Selector_Config::MAYBE_SHOW_DATETIME_SELECTOR  => esc_html__(
+					'Maybe show date & time filter', 'event_espresso'
+				),
+			);
+	}
+
+
+
+	/**
+	 * @param string $show_datetime_selector
+	 */
+	public function setShowDatetimeSelector($show_datetime_selector)
+	{
+		$this->show_datetime_selector = in_array(
+			$show_datetime_selector,
+			$this->getShowDatetimeSelectorOptions(),
+			true
+		)
+			? $show_datetime_selector
+			: \EE_Ticket_Selector_Config::DO_NOT_SHOW_DATETIME_SELECTOR;
+	}
+
+
+
+	/**
+	 * @return int
+	 */
+	public function getDatetimeSelectorThreshold()
+	{
+		return $this->datetime_selector_threshold;
+	}
+
+
+
+
+	/**
+	 * @param int $datetime_selector_threshold
+	 */
+	public function setDatetimeSelectorThreshold($datetime_selector_threshold)
+	{
+		$datetime_selector_threshold = absint($datetime_selector_threshold);
+		$this->datetime_selector_threshold = $datetime_selector_threshold ? $datetime_selector_threshold : 3;
+	}
 
 
 
@@ -3114,85 +3114,85 @@ 
 class EE_Environment_Config extends EE_Config_Base
 {
 
-    /**
-     * Hold any php environment variables that we want to track.
-     *
-     * @var stdClass;
-     */
-    public $php;
-
-
-
-    /**
-     *    constructor
-     */
-    public function __construct()
-    {
-        $this->php = new stdClass();
-        $this->_set_php_values();
-    }
-
-
-
-    /**
-     * This sets the php environment variables.
-     *
-     * @since 4.4.0
-     * @return void
-     */
-    protected function _set_php_values()
-    {
-        $this->php->max_input_vars = ini_get('max_input_vars');
-        $this->php->version = phpversion();
-    }
-
-
-
-    /**
-     * helper method for determining whether input_count is
-     * reaching the potential maximum the server can handle
-     * according to max_input_vars
-     *
-     * @param int   $input_count the count of input vars.
-     * @return array {
-     *                           An array that represents whether available space and if no available space the error
-     *                           message.
-     * @type bool   $has_space   whether more inputs can be added.
-     * @type string $msg         Any message to be displayed.
-     *                           }
-     */
-    public function max_input_vars_limit_check($input_count = 0)
-    {
-        if (! empty($this->php->max_input_vars)
-            && ($input_count >= $this->php->max_input_vars)
-            && (PHP_MAJOR_VERSION >= 5 && PHP_MINOR_VERSION >= 3 && PHP_RELEASE_VERSION >= 9)
-        ) {
-            return sprintf(
-                __(
-                    'The maximum number of inputs on this page has been exceeded.  You cannot add anymore items (i.e. tickets, datetimes, custom fields) on this page because of your servers PHP "max_input_vars" setting.%1$sThere are %2$d inputs and the maximum amount currently allowed by your server is %3$d.',
-                    'event_espresso'
-                ),
-                '<br>',
-                $input_count,
-                $this->php->max_input_vars
-            );
-        } else {
-            return '';
-        }
-    }
-
-
-
-    /**
-     * The purpose of this method is just to force rechecking php values so if they've changed, they get updated.
-     *
-     * @since 4.4.1
-     * @return void
-     */
-    public function recheck_values()
-    {
-        $this->_set_php_values();
-    }
+	/**
+	 * Hold any php environment variables that we want to track.
+	 *
+	 * @var stdClass;
+	 */
+	public $php;
+
+
+
+	/**
+	 *    constructor
+	 */
+	public function __construct()
+	{
+		$this->php = new stdClass();
+		$this->_set_php_values();
+	}
+
+
+
+	/**
+	 * This sets the php environment variables.
+	 *
+	 * @since 4.4.0
+	 * @return void
+	 */
+	protected function _set_php_values()
+	{
+		$this->php->max_input_vars = ini_get('max_input_vars');
+		$this->php->version = phpversion();
+	}
+
+
+
+	/**
+	 * helper method for determining whether input_count is
+	 * reaching the potential maximum the server can handle
+	 * according to max_input_vars
+	 *
+	 * @param int   $input_count the count of input vars.
+	 * @return array {
+	 *                           An array that represents whether available space and if no available space the error
+	 *                           message.
+	 * @type bool   $has_space   whether more inputs can be added.
+	 * @type string $msg         Any message to be displayed.
+	 *                           }
+	 */
+	public function max_input_vars_limit_check($input_count = 0)
+	{
+		if (! empty($this->php->max_input_vars)
+			&& ($input_count >= $this->php->max_input_vars)
+			&& (PHP_MAJOR_VERSION >= 5 && PHP_MINOR_VERSION >= 3 && PHP_RELEASE_VERSION >= 9)
+		) {
+			return sprintf(
+				__(
+					'The maximum number of inputs on this page has been exceeded.  You cannot add anymore items (i.e. tickets, datetimes, custom fields) on this page because of your servers PHP "max_input_vars" setting.%1$sThere are %2$d inputs and the maximum amount currently allowed by your server is %3$d.',
+					'event_espresso'
+				),
+				'<br>',
+				$input_count,
+				$this->php->max_input_vars
+			);
+		} else {
+			return '';
+		}
+	}
+
+
+
+	/**
+	 * The purpose of this method is just to force rechecking php values so if they've changed, they get updated.
+	 *
+	 * @since 4.4.1
+	 * @return void
+	 */
+	public function recheck_values()
+	{
+		$this->_set_php_values();
+	}
 
 
 
@@ -3210,22 +3210,22 @@ 
 class EE_Tax_Config extends EE_Config_Base
 {
 
-    /*
+	/*
      * flag to indicate whether or not to display ticket prices with the taxes included
      *
      * @var boolean $prices_displayed_including_taxes
      */
-    public $prices_displayed_including_taxes;
+	public $prices_displayed_including_taxes;
 
 
 
-    /**
-     *    class constructor
-     */
-    public function __construct()
-    {
-        $this->prices_displayed_including_taxes = true;
-    }
+	/**
+	 *    class constructor
+	 */
+	public function __construct()
+	{
+		$this->prices_displayed_including_taxes = true;
+	}
 }
 
 
@@ -3240,17 +3240,17 @@ 
 class EE_Messages_Config extends EE_Config_Base
 {
 
-    /**
-     * This is an integer representing the deletion threshold in months for when old messages will get deleted.
-     * A value of 0 represents never deleting.  Default is 0.
-     *
-     * @var integer
-     */
-    public $delete_threshold;
-
-    public function __construct() {
-        $this->delete_threshold = 0;
-    }
+	/**
+	 * This is an integer representing the deletion threshold in months for when old messages will get deleted.
+	 * A value of 0 represents never deleting.  Default is 0.
+	 *
+	 * @var integer
+	 */
+	public $delete_threshold;
+
+	public function __construct() {
+		$this->delete_threshold = 0;
+	}
 }
 
 
@@ -3262,34 +3262,34 @@ 
 class EE_Gateway_Config extends EE_Config_Base
 {
 
-    /**
-     * Array with keys that are payment gateways slugs, and values are arrays
-     * with any config info the gateway wants to store
-     *
-     * @var array
-     */
-    public $payment_settings;
-
-    /**
-     * Where keys are gateway slugs, and values are booleans indicating whether or not
-     * the gateway is stored in the uploads directory
-     *
-     * @var array
-     */
-    public $active_gateways;
-
-
-
-    /**
-     *    class constructor
-     *
-     * @deprecated
-     */
-    public function __construct()
-    {
-        $this->payment_settings = array();
-        $this->active_gateways = array('Invoice' => false);
-    }
+	/**
+	 * Array with keys that are payment gateways slugs, and values are arrays
+	 * with any config info the gateway wants to store
+	 *
+	 * @var array
+	 */
+	public $payment_settings;
+
+	/**
+	 * Where keys are gateway slugs, and values are booleans indicating whether or not
+	 * the gateway is stored in the uploads directory
+	 *
+	 * @var array
+	 */
+	public $active_gateways;
+
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @deprecated
+	 */
+	public function __construct()
+	{
+		$this->payment_settings = array();
+		$this->active_gateways = array('Invoice' => false);
+	}
 }
 
 // End of file EE_Config.core.php

core/EE_Dependency_Map.core.php

Indentation +885 added lines, -885 removed lines

@@ -8,7 +8,7 @@ 
 use EventEspresso\core\services\request\ResponseInterface;
 
 if (! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -25,891 +25,891 @@ 
 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;
-
-    /**
-     * @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();
-
-    /**
-     * @type array $_aliases
-     */
-    protected $_aliases = array();
-
-
-
-    /**
-     * EE_Dependency_Map constructor.
-     */
-    protected function __construct()
-    {
-        // add_action('EE_Load_Espresso_Core__handle_request__initialize_core_loading', array($this, 'initialize'));
-        do_action('EE_Dependency_Map____construct');
-    }
-
-
-
-    /**
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    public function initialize()
-    {
-        $this->_register_core_dependencies();
-        $this->_register_core_class_loaders();
-        $this->_register_core_aliases();
-    }
-
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @return EE_Dependency_Map
-     */
-    public static function instance() {
-        // check if class object is instantiated, and instantiated properly
-        if (! self::$_instance instanceof EE_Dependency_Map) {
-            self::$_instance = new EE_Dependency_Map(/*$request, $response, $legacy_request*/);
-        }
-        return self::$_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->get_alias($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->get_alias($class_name);
-        if (! isset(self::$_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 = $this->get_alias($dependency);
-        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 = $this->get_alias($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';
-        }
-        $class_name = $this->get_alias($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 $class_name 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 $for_class  the class that has the dependency (is type hinting for the interface)
-     */
-    public function add_alias($class_name, $alias, $for_class = '')
-    {
-        if ($for_class !== '') {
-            if (! isset($this->_aliases[$for_class])) {
-                $this->_aliases[$for_class] = array();
-            }
-            $this->_aliases[$for_class][$class_name] = $alias;
-        }
-        $this->_aliases[$class_name] = $alias;
-    }
-
-
-
-    /**
-     * returns TRUE if the provided class name has an alias
-     *
-     * @param string $class_name
-     * @param string $for_class
-     * @return bool
-     */
-    public function has_alias($class_name = '', $for_class = '')
-    {
-        return isset($this->_aliases[$for_class][$class_name])
-               || (
-                   isset($this->_aliases[$class_name])
-                   && ! is_array($this->_aliases[$class_name])
-               );
-    }
-
-
-
-    /**
-     * returns alias for class name if one exists, otherwise returns the original classname
-     * functions recursively, so that multiple aliases can be used to drill down to a classname
-     *  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 $class_name
-     * @param string $for_class
-     * @return string
-     */
-    public function get_alias($class_name = '', $for_class = '')
-    {
-        if (! $this->has_alias($class_name, $for_class)) {
-            return $class_name;
-        }
-        if ($for_class !== '' && isset($this->_aliases[ $for_class ][ $class_name ])) {
-            return $this->get_alias($this->_aliases[$for_class][$class_name], $for_class);
-        }
-        return $this->get_alias($this->_aliases[$class_name]);
-    }
-
-
-
-    /**
-     * 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\Registry'                                                                 => array(
-                'EE_Template_Config' => EE_Dependency_Map::load_from_cache,
-                'EE_Currency_Config' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\Domain' => 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
-            ),
+	/**
+	 * 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;
+
+	/**
+	 * @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();
+
+	/**
+	 * @type array $_aliases
+	 */
+	protected $_aliases = array();
+
+
+
+	/**
+	 * EE_Dependency_Map constructor.
+	 */
+	protected function __construct()
+	{
+		// add_action('EE_Load_Espresso_Core__handle_request__initialize_core_loading', array($this, 'initialize'));
+		do_action('EE_Dependency_Map____construct');
+	}
+
+
+
+	/**
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	public function initialize()
+	{
+		$this->_register_core_dependencies();
+		$this->_register_core_class_loaders();
+		$this->_register_core_aliases();
+	}
+
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @return EE_Dependency_Map
+	 */
+	public static function instance() {
+		// check if class object is instantiated, and instantiated properly
+		if (! self::$_instance instanceof EE_Dependency_Map) {
+			self::$_instance = new EE_Dependency_Map(/*$request, $response, $legacy_request*/);
+		}
+		return self::$_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->get_alias($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->get_alias($class_name);
+		if (! isset(self::$_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 = $this->get_alias($dependency);
+		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 = $this->get_alias($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';
+		}
+		$class_name = $this->get_alias($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 $class_name 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 $for_class  the class that has the dependency (is type hinting for the interface)
+	 */
+	public function add_alias($class_name, $alias, $for_class = '')
+	{
+		if ($for_class !== '') {
+			if (! isset($this->_aliases[$for_class])) {
+				$this->_aliases[$for_class] = array();
+			}
+			$this->_aliases[$for_class][$class_name] = $alias;
+		}
+		$this->_aliases[$class_name] = $alias;
+	}
+
+
+
+	/**
+	 * returns TRUE if the provided class name has an alias
+	 *
+	 * @param string $class_name
+	 * @param string $for_class
+	 * @return bool
+	 */
+	public function has_alias($class_name = '', $for_class = '')
+	{
+		return isset($this->_aliases[$for_class][$class_name])
+			   || (
+				   isset($this->_aliases[$class_name])
+				   && ! is_array($this->_aliases[$class_name])
+			   );
+	}
+
+
+
+	/**
+	 * returns alias for class name if one exists, otherwise returns the original classname
+	 * functions recursively, so that multiple aliases can be used to drill down to a classname
+	 *  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 $class_name
+	 * @param string $for_class
+	 * @return string
+	 */
+	public function get_alias($class_name = '', $for_class = '')
+	{
+		if (! $this->has_alias($class_name, $for_class)) {
+			return $class_name;
+		}
+		if ($for_class !== '' && isset($this->_aliases[ $for_class ][ $class_name ])) {
+			return $this->get_alias($this->_aliases[$for_class][$class_name], $for_class);
+		}
+		return $this->get_alias($this->_aliases[$class_name]);
+	}
+
+
+
+	/**
+	 * 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\Registry'                                                                 => array(
+				'EE_Template_Config' => EE_Dependency_Map::load_from_cache,
+				'EE_Currency_Config' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\Domain' => 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,
-            ),
-        );
-    }
-
-
-
-    /**
-     * 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();
-     *        },
-     *
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws InvalidArgumentException
-     */
-    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 $response;
-            },
-            'EE_Request_Handler'       => 'load_core',
-            'EE_Session'               => 'load_core',
-            'EE_Cron_Tasks'            => 'load_core',
-            'EE_System'                => 'load_core',
-            'EE_Maintenance_Mode'      => 'load_core',
-            'EE_Register_CPTs'         => 'load_core',
-            'EE_Admin'                 => 'load_core',
-            //load_lib
-            'EE_Message_Resource_Manager'          => 'load_lib',
-            'EE_Message_Type_Collection'           => 'load_lib',
-            'EE_Message_Type_Collection_Loader'    => 'load_lib',
-            'EE_Messenger_Collection'              => 'load_lib',
-            'EE_Messenger_Collection_Loader'       => 'load_lib',
-            'EE_Messages_Processor'                => 'load_lib',
-            'EE_Message_Repository'                => 'load_lib',
-            'EE_Messages_Queue'                    => 'load_lib',
-            'EE_Messages_Data_Handler_Collection'  => 'load_lib',
-            'EE_Message_Template_Group_Collection' => 'load_lib',
-            'EE_Payment_Method_Manager'            => 'load_lib',
-            'EE_Messages_Generator'                => function () {
-                return EE_Registry::instance()->load_lib(
-                    'Messages_Generator',
-                    array(),
-                    false,
-                    false
-                );
-            },
-            'EE_Messages_Template_Defaults'        => function ($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();
-            }
-        );
-    }
-
-
-
-    /**
-     * can be used for supplying alternate names for classes,
-     * or for connecting interface names to instantiable classes
-     */
-    protected function _register_core_aliases()
-    {
-        $this->_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',
-            'CreateRegCodeCommandHandler'                                                  => 'EventEspresso\core\services\commands\registration\CreateRegCodeCommand',
-            'CreateRegUrlLinkCommandHandler'                                               => 'EventEspresso\core\services\commands\registration\CreateRegUrlLinkCommand',
-            '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',
-        );
-        if (! (defined('DOING_AJAX') && DOING_AJAX) && is_admin()) {
-            $this->_aliases['EventEspresso\core\services\notices\NoticeConverterInterface'] = 'EventEspresso\core\services\notices\ConvertNoticesToAdminNotices';
-        }
-    }
-
-
-
-    /**
-     * 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.
-     *
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    public function reset()
-    {
-        $this->_register_core_class_loaders();
-        $this->_register_core_dependencies();
-    }
+				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,
+			),
+		);
+	}
+
+
+
+	/**
+	 * 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();
+	 *        },
+	 *
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidArgumentException
+	 */
+	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 $response;
+			},
+			'EE_Request_Handler'       => 'load_core',
+			'EE_Session'               => 'load_core',
+			'EE_Cron_Tasks'            => 'load_core',
+			'EE_System'                => 'load_core',
+			'EE_Maintenance_Mode'      => 'load_core',
+			'EE_Register_CPTs'         => 'load_core',
+			'EE_Admin'                 => 'load_core',
+			//load_lib
+			'EE_Message_Resource_Manager'          => 'load_lib',
+			'EE_Message_Type_Collection'           => 'load_lib',
+			'EE_Message_Type_Collection_Loader'    => 'load_lib',
+			'EE_Messenger_Collection'              => 'load_lib',
+			'EE_Messenger_Collection_Loader'       => 'load_lib',
+			'EE_Messages_Processor'                => 'load_lib',
+			'EE_Message_Repository'                => 'load_lib',
+			'EE_Messages_Queue'                    => 'load_lib',
+			'EE_Messages_Data_Handler_Collection'  => 'load_lib',
+			'EE_Message_Template_Group_Collection' => 'load_lib',
+			'EE_Payment_Method_Manager'            => 'load_lib',
+			'EE_Messages_Generator'                => function () {
+				return EE_Registry::instance()->load_lib(
+					'Messages_Generator',
+					array(),
+					false,
+					false
+				);
+			},
+			'EE_Messages_Template_Defaults'        => function ($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();
+			}
+		);
+	}
+
+
+
+	/**
+	 * can be used for supplying alternate names for classes,
+	 * or for connecting interface names to instantiable classes
+	 */
+	protected function _register_core_aliases()
+	{
+		$this->_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',
+			'CreateRegCodeCommandHandler'                                                  => 'EventEspresso\core\services\commands\registration\CreateRegCodeCommand',
+			'CreateRegUrlLinkCommandHandler'                                               => 'EventEspresso\core\services\commands\registration\CreateRegUrlLinkCommand',
+			'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',
+		);
+		if (! (defined('DOING_AJAX') && DOING_AJAX) && is_admin()) {
+			$this->_aliases['EventEspresso\core\services\notices\NoticeConverterInterface'] = 'EventEspresso\core\services\notices\ConvertNoticesToAdminNotices';
+		}
+	}
+
+
+
+	/**
+	 * 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.
+	 *
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	public function reset()
+	{
+		$this->_register_core_class_loaders();
+		$this->_register_core_dependencies();
+	}
 
 
 }

Spacing +27 added lines, -27 removed lines

@@ -7,7 +7,7 @@ 
 use EventEspresso\core\services\request\RequestInterface;
 use EventEspresso\core\services\request\ResponseInterface;
 
-if (! defined('EVENT_ESPRESSO_VERSION')) {
+if ( ! defined('EVENT_ESPRESSO_VERSION')) {
     exit('No direct script access allowed');
 }
 
@@ -129,7 +129,7 @@ 
      */
     public static function instance() {
         // check if class object is instantiated, and instantiated properly
-        if (! self::$_instance instanceof EE_Dependency_Map) {
+        if ( ! self::$_instance instanceof EE_Dependency_Map) {
             self::$_instance = new EE_Dependency_Map(/*$request, $response, $legacy_request*/);
         }
         return self::$_instance;
@@ -211,8 +211,8 @@ 
     ) {
         $class = trim($class, '\\');
         $registered = false;
-        if (empty(self::$_instance->_dependency_map[ $class ])) {
-            self::$_instance->_dependency_map[ $class ] = array();
+        if (empty(self::$_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
@@ -220,7 +220,7 @@ 
             $alias = self::$_instance->get_alias($dependency);
             if (
                 $overwrite === EE_Dependency_Map::OVERWRITE_DEPENDENCIES
-                || ! isset(self::$_instance->_dependency_map[ $class ][ $alias ])
+                || ! isset(self::$_instance->_dependency_map[$class][$alias])
             ) {
                 unset($dependencies[$dependency]);
                 $dependencies[$alias] = $load_source;
@@ -233,13 +233,13 @@ 
         // 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 ];
+        $dependencies += self::$_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 ]);
+        $dependency_count = count(self::$_instance->_dependency_map[$class]);
         // if that count is non-zero (meaning dependencies were already registered)
-        self::$_instance->_dependency_map[ $class ] = $dependency_count
+        self::$_instance->_dependency_map[$class] = $dependency_count
             // then truncate the  final array to match that count
             ? array_slice($dependencies, 0, $dependency_count)
             // otherwise just take the incoming array because nothing previously existed
@@ -257,7 +257,7 @@ 
      */
     public static function register_class_loader($class_name, $loader = 'load_core')
     {
-        if (! $loader instanceof Closure && strpos($class_name, '\\') !== false) {
+        if ( ! $loader instanceof Closure && strpos($class_name, '\\') !== false) {
             throw new DomainException(
                 esc_html__('Don\'t use class loaders for FQCNs.', 'event_espresso')
             );
@@ -281,7 +281,7 @@ 
             );
         }
         $class_name = self::$_instance->get_alias($class_name);
-        if (! isset(self::$_instance->_class_loaders[$class_name])) {
+        if ( ! isset(self::$_instance->_class_loaders[$class_name])) {
             self::$_instance->_class_loaders[$class_name] = $loader;
             return true;
         }
@@ -366,7 +366,7 @@ 
     public function class_loader($class_name)
     {
         // all legacy models use load_model()
-        if(strpos($class_name, 'EEM_') === 0){
+        if (strpos($class_name, 'EEM_') === 0) {
             return 'load_model';
         }
         $class_name = $this->get_alias($class_name);
@@ -395,7 +395,7 @@ 
     public function add_alias($class_name, $alias, $for_class = '')
     {
         if ($for_class !== '') {
-            if (! isset($this->_aliases[$for_class])) {
+            if ( ! isset($this->_aliases[$for_class])) {
                 $this->_aliases[$for_class] = array();
             }
             $this->_aliases[$for_class][$class_name] = $alias;
@@ -441,10 +441,10 @@ 
      */
     public function get_alias($class_name = '', $for_class = '')
     {
-        if (! $this->has_alias($class_name, $for_class)) {
+        if ( ! $this->has_alias($class_name, $for_class)) {
             return $class_name;
         }
-        if ($for_class !== '' && isset($this->_aliases[ $for_class ][ $class_name ])) {
+        if ($for_class !== '' && isset($this->_aliases[$for_class][$class_name])) {
             return $this->get_alias($this->_aliases[$for_class][$class_name], $for_class);
         }
         return $this->get_alias($this->_aliases[$class_name]);
@@ -765,13 +765,13 @@ 
             'EE_Front_Controller'      => 'load_core',
             'EE_Module_Request_Router' => 'load_core',
             'EE_Registry'              => 'load_core',
-            'EE_Request'               => function () use (&$legacy_request) {
+            'EE_Request'               => function() use (&$legacy_request) {
                 return $legacy_request;
             },
-            'EventEspresso\core\services\request\Request' => function () use (&$request) {
+            'EventEspresso\core\services\request\Request' => function() use (&$request) {
                 return $request;
             },
-            'EventEspresso\core\services\request\Response' => function () use (&$response) {
+            'EventEspresso\core\services\request\Response' => function() use (&$response) {
                 return $response;
             },
             'EE_Request_Handler'       => 'load_core',
@@ -793,7 +793,7 @@ 
             'EE_Messages_Data_Handler_Collection'  => 'load_lib',
             'EE_Message_Template_Group_Collection' => 'load_lib',
             'EE_Payment_Method_Manager'            => 'load_lib',
-            'EE_Messages_Generator'                => function () {
+            'EE_Messages_Generator'                => function() {
                 return EE_Registry::instance()->load_lib(
                     'Messages_Generator',
                     array(),
@@ -801,7 +801,7 @@ 
                     false
                 );
             },
-            'EE_Messages_Template_Defaults'        => function ($arguments = array()) {
+            'EE_Messages_Template_Defaults'        => function($arguments = array()) {
                 return EE_Registry::instance()->load_lib(
                     'Messages_Template_Defaults',
                     $arguments,
@@ -810,31 +810,31 @@ 
                 );
             },
             //load_helper
-            'EEH_Parse_Shortcodes'                 => function () {
+            'EEH_Parse_Shortcodes'                 => function() {
                 if (EE_Registry::instance()->load_helper('Parse_Shortcodes')) {
                     return new EEH_Parse_Shortcodes();
                 }
                 return null;
             },
-            'EE_Template_Config'                   => function () {
+            'EE_Template_Config'                   => function() {
                 return EE_Config::instance()->template_settings;
             },
-            'EE_Currency_Config'                   => function () {
+            'EE_Currency_Config'                   => function() {
                 return EE_Config::instance()->currency;
             },
-            'EE_Registration_Config'                   => function () {
+            'EE_Registration_Config'                   => function() {
                 return EE_Config::instance()->registration;
             },
-            'EE_Core_Config'                   => function () {
+            'EE_Core_Config'                   => function() {
                 return EE_Config::instance()->core;
             },
-            'EventEspresso\core\services\loaders\Loader' => function () {
+            'EventEspresso\core\services\loaders\Loader' => function() {
                 return LoaderFactory::getLoader();
             },
             'EE_Network_Config' => function() {
                 return EE_Network_Config::instance();
             },
-            'EE_Config' => function () {
+            'EE_Config' => function() {
                 return EE_Config::instance();
             }
         );
@@ -890,7 +890,7 @@ 
             'EventEspresso\core\services\request\ResponseInterface'               => 'EventEspresso\core\services\request\Response',
             'EventEspresso\core\domain\DomainInterface'                           => 'EventEspresso\core\domain\Domain',
         );
-        if (! (defined('DOING_AJAX') && DOING_AJAX) && is_admin()) {
+        if ( ! (defined('DOING_AJAX') && DOING_AJAX) && is_admin()) {
             $this->_aliases['EventEspresso\core\services\notices\NoticeConverterInterface'] = 'EventEspresso\core\services\notices\ConvertNoticesToAdminNotices';
         }
     }

modules/single_page_checkout/EED_Single_Page_Checkout.module.php

Indentation +1844 added lines, -1844 removed lines

@@ -5,7 +5,7 @@ 
 use EventEspresso\core\exceptions\InvalidEntityException;
 
 if ( ! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -20,1849 +20,1849 @@ 
 class EED_Single_Page_Checkout extends EED_Module
 {
 
-    /**
-     * $_initialized - has the SPCO controller already been initialized ?
-     *
-     * @access private
-     * @var bool $_initialized
-     */
-    private static $_initialized = false;
-
-
-    /**
-     * $_checkout_verified - is the EE_Checkout verified as correct for this request ?
-     *
-     * @access private
-     * @var bool $_valid_checkout
-     */
-    private static $_checkout_verified = true;
-
-    /**
-     *    $_reg_steps_array - holds initial array of reg steps
-     *
-     * @access private
-     * @var array $_reg_steps_array
-     */
-    private static $_reg_steps_array = array();
-
-    /**
-     *    $checkout - EE_Checkout object for handling the properties of the current checkout process
-     *
-     * @access public
-     * @var EE_Checkout $checkout
-     */
-    public $checkout;
-
-
-
-    /**
-     * @return EED_Module|EED_Single_Page_Checkout
-     */
-    public static function instance()
-    {
-        add_filter('EED_Single_Page_Checkout__SPCO_active', '__return_true');
-        return parent::get_instance(__CLASS__);
-    }
-
-
-
-    /**
-     * @return EE_CART
-     */
-    public function cart()
-    {
-        return $this->checkout->cart;
-    }
-
-
-
-    /**
-     * @return EE_Transaction
-     */
-    public function transaction()
-    {
-        return $this->checkout->transaction;
-    }
-
-
-
-    /**
-     *    set_hooks - for hooking into EE Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     * @throws EE_Error
-     */
-    public static function set_hooks()
-    {
-        EED_Single_Page_Checkout::set_definitions();
-    }
-
-
-
-    /**
-     *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     * @throws EE_Error
-     */
-    public static function set_hooks_admin()
-    {
-        EED_Single_Page_Checkout::set_definitions();
-        if ( ! (defined('DOING_AJAX') && DOING_AJAX)) {
-            return;
-        }
-        // going to start an output buffer in case anything gets accidentally output
-        // that might disrupt our JSON response
-        ob_start();
-        EED_Single_Page_Checkout::load_request_handler();
-        EED_Single_Page_Checkout::load_reg_steps();
-        // set ajax hooks
-        add_action('wp_ajax_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
-        add_action('wp_ajax_nopriv_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
-        add_action('wp_ajax_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
-        add_action('wp_ajax_nopriv_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
-        add_action('wp_ajax_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
-        add_action('wp_ajax_nopriv_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
-    }
-
-
-
-    /**
-     *    process ajax request
-     *
-     * @param string $ajax_action
-     * @throws EE_Error
-     */
-    public static function process_ajax_request($ajax_action)
-    {
-        EE_Registry::instance()->REQ->set('action', $ajax_action);
-        EED_Single_Page_Checkout::instance()->_initialize();
-    }
-
-
-
-    /**
-     *    ajax display registration step
-     *
-     * @throws EE_Error
-     */
-    public static function display_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('display_spco_reg_step');
-    }
-
-
-
-    /**
-     *    ajax process registration step
-     *
-     * @throws EE_Error
-     */
-    public static function process_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('process_reg_step');
-    }
-
-
-
-    /**
-     *    ajax process registration step
-     *
-     * @throws EE_Error
-     */
-    public static function update_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('update_reg_step');
-    }
-
-
-
-    /**
-     *   update_checkout
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     */
-    public static function update_checkout()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('update_checkout');
-    }
-
-
-
-    /**
-     *    load_request_handler
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function load_request_handler()
-    {
-        // load core Request_Handler class
-        if (EE_Registry::instance()->REQ !== null) {
-            EE_Registry::instance()->load_core('Request_Handler');
-        }
-    }
-
-
-
-    /**
-     *    set_definitions
-     *
-     * @access    public
-     * @return    void
-     * @throws EE_Error
-     */
-    public static function set_definitions()
-    {
-        if(defined('SPCO_BASE_PATH')) {
-            return;
-        }
-        define(
-            'SPCO_BASE_PATH',
-            rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS
-        );
-        define('SPCO_CSS_URL', plugin_dir_url(__FILE__) . 'css' . DS);
-        define('SPCO_IMG_URL', plugin_dir_url(__FILE__) . 'img' . DS);
-        define('SPCO_JS_URL', plugin_dir_url(__FILE__) . 'js' . DS);
-        define('SPCO_INC_PATH', SPCO_BASE_PATH . 'inc' . DS);
-        define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH . 'reg_steps' . DS);
-        define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH . 'templates' . DS);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(SPCO_BASE_PATH, true);
-        EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice();
-    }
-
-
-
-    /**
-     * load_reg_steps
-     * loads and instantiates each reg step based on the EE_Registry::instance()->CFG->registration->reg_steps array
-     *
-     * @access    private
-     * @throws EE_Error
-     */
-    public static function load_reg_steps()
-    {
-        static $reg_steps_loaded = false;
-        if ($reg_steps_loaded) {
-            return;
-        }
-        // filter list of reg_steps
-        $reg_steps_to_load = (array)apply_filters(
-            'AHEE__SPCO__load_reg_steps__reg_steps_to_load',
-            EED_Single_Page_Checkout::get_reg_steps()
-        );
-        // sort by key (order)
-        ksort($reg_steps_to_load);
-        // loop through folders
-        foreach ($reg_steps_to_load as $order => $reg_step) {
-            // we need a
-            if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
-                // copy over to the reg_steps_array
-                EED_Single_Page_Checkout::$_reg_steps_array[$order] = $reg_step;
-                // register custom key route for each reg step
-                // ie: step=>"slug" - this is the entire reason we load the reg steps array now
-                EE_Config::register_route(
-                    $reg_step['slug'],
-                    'EED_Single_Page_Checkout',
-                    'run',
-                    'step'
-                );
-                // add AJAX or other hooks
-                if (isset($reg_step['has_hooks']) && $reg_step['has_hooks']) {
-                    // setup autoloaders if necessary
-                    if ( ! class_exists($reg_step['class_name'])) {
-                        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(
-                            $reg_step['file_path'],
-                            true
-                        );
-                    }
-                    if (is_callable($reg_step['class_name'], 'set_hooks')) {
-                        call_user_func(array($reg_step['class_name'], 'set_hooks'));
-                    }
-                }
-            }
-        }
-        $reg_steps_loaded = true;
-    }
-
-
-
-    /**
-     *    get_reg_steps
-     *
-     * @access    public
-     * @return    array
-     */
-    public static function get_reg_steps()
-    {
-        $reg_steps = EE_Registry::instance()->CFG->registration->reg_steps;
-        if (empty($reg_steps)) {
-            $reg_steps = array(
-                10  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
-                    'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
-                    'slug'       => 'attendee_information',
-                    'has_hooks'  => false,
-                ),
-                20  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'registration_confirmation',
-                    'class_name' => 'EE_SPCO_Reg_Step_Registration_Confirmation',
-                    'slug'       => 'registration_confirmation',
-                    'has_hooks'  => false,
-                ),
-                30  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
-                    'class_name' => 'EE_SPCO_Reg_Step_Payment_Options',
-                    'slug'       => 'payment_options',
-                    'has_hooks'  => true,
-                ),
-                999 => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'finalize_registration',
-                    'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
-                    'slug'       => 'finalize_registration',
-                    'has_hooks'  => false,
-                ),
-            );
-        }
-        return $reg_steps;
-    }
-
-
-
-    /**
-     *    registration_checkout_for_admin
-     *
-     * @access    public
-     * @return    string
-     * @throws EE_Error
-     */
-    public static function registration_checkout_for_admin()
-    {
-        EED_Single_Page_Checkout::load_request_handler();
-        EE_Registry::instance()->REQ->set('step', 'attendee_information');
-        EE_Registry::instance()->REQ->set('action', 'display_spco_reg_step');
-        EE_Registry::instance()->REQ->set('process_form_submission', false);
-        EED_Single_Page_Checkout::instance()->_initialize();
-        EED_Single_Page_Checkout::instance()->_display_spco_reg_form();
-        return EE_Registry::instance()->REQ->get_output();
-    }
-
-
-
-    /**
-     * process_registration_from_admin
-     *
-     * @access public
-     * @return \EE_Transaction
-     * @throws EE_Error
-     */
-    public static function process_registration_from_admin()
-    {
-        EED_Single_Page_Checkout::load_request_handler();
-        EE_Registry::instance()->REQ->set('step', 'attendee_information');
-        EE_Registry::instance()->REQ->set('action', 'process_reg_step');
-        EE_Registry::instance()->REQ->set('process_form_submission', true);
-        EED_Single_Page_Checkout::instance()->_initialize();
-        if (EED_Single_Page_Checkout::instance()->checkout->current_step->completed()) {
-            $final_reg_step = end(EED_Single_Page_Checkout::instance()->checkout->reg_steps);
-            if ($final_reg_step instanceof EE_SPCO_Reg_Step_Finalize_Registration) {
-                EED_Single_Page_Checkout::instance()->checkout->set_reg_step_initiated($final_reg_step);
-                if ($final_reg_step->process_reg_step()) {
-                    $final_reg_step->set_completed();
-                    EED_Single_Page_Checkout::instance()->checkout->update_txn_reg_steps_array();
-                    return EED_Single_Page_Checkout::instance()->checkout->transaction;
-                }
-            }
-        }
-        return null;
-    }
-
-
-
-    /**
-     *    run
-     *
-     * @access    public
-     * @param WP_Query $WP_Query
-     * @return    void
-     * @throws EE_Error
-     */
-    public function run($WP_Query)
-    {
-        if (
-            $WP_Query instanceof WP_Query
-            && $WP_Query->is_main_query()
-            && apply_filters('FHEE__EED_Single_Page_Checkout__run', true)
-            && $this->_is_reg_checkout()
-        ) {
-            $this->_initialize();
-        }
-    }
-
-
-
-    /**
-     * determines whether current url matches reg page url
-     *
-     * @return bool
-     */
-    protected function _is_reg_checkout()
-    {
-        // get current permalink for reg page without any extra query args
-        $reg_page_url = \get_permalink(EE_Config::instance()->core->reg_page_id);
-        // get request URI for current request, but without the scheme or host
-        $current_request_uri = \EEH_URL::filter_input_server_url('REQUEST_URI');
-        $current_request_uri = html_entity_decode($current_request_uri);
-        // get array of query args from the current request URI
-        $query_args = \EEH_URL::get_query_string($current_request_uri);
-        // grab page id if it is set
-        $page_id = isset($query_args['page_id']) ? absint($query_args['page_id']) : 0;
-        // and remove the page id from the query args (we will re-add it later)
-        unset($query_args['page_id']);
-        // now strip all query args from current request URI
-        $current_request_uri = remove_query_arg(array_keys($query_args), $current_request_uri);
-        // and re-add the page id if it was set
-        if ($page_id) {
-            $current_request_uri = add_query_arg('page_id', $page_id, $current_request_uri);
-        }
-        // remove slashes and ?
-        $current_request_uri = trim($current_request_uri, '?/');
-        // is current request URI part of the known full reg page URL ?
-        return ! empty($current_request_uri) && strpos($reg_page_url, $current_request_uri) !== false;
-    }
-
-
-
-    /**
-     * @param WP_Query $wp_query
-     * @return    void
-     * @throws EE_Error
-     */
-    public static function init($wp_query)
-    {
-        EED_Single_Page_Checkout::instance()->run($wp_query);
-    }
-
-
-
-    /**
-     *    _initialize - initial module setup
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return    void
-     */
-    private function _initialize()
-    {
-        // ensure SPCO doesn't run twice
-        if (EED_Single_Page_Checkout::$_initialized) {
-            return;
-        }
-        try {
-            EED_Single_Page_Checkout::load_reg_steps();
-            $this->_verify_session();
-            // setup the EE_Checkout object
-            $this->checkout = $this->_initialize_checkout();
-            // filter checkout
-            $this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize__checkout', $this->checkout);
-            // get the $_GET
-            $this->_get_request_vars();
-            if ($this->_block_bots()) {
-                return;
-            }
-            // filter continue_reg
-            $this->checkout->continue_reg = apply_filters(
-                'FHEE__EED_Single_Page_Checkout__init___continue_reg',
-                true,
-                $this->checkout
-            );
-            // load the reg steps array
-            if ( ! $this->_load_and_instantiate_reg_steps()) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // set the current step
-            $this->checkout->set_current_step($this->checkout->step);
-            // and the next step
-            $this->checkout->set_next_step();
-            // verify that everything has been setup correctly
-            if ( ! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // lock the transaction
-            $this->checkout->transaction->lock();
-            // make sure all of our cached objects are added to their respective model entity mappers
-            $this->checkout->refresh_all_entities();
-            // set amount owing
-            $this->checkout->amount_owing = $this->checkout->transaction->remaining();
-            // initialize each reg step, which gives them the chance to potentially alter the process
-            $this->_initialize_reg_steps();
-            // DEBUG LOG
-            //$this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
-            // get reg form
-            if( ! $this->_check_form_submission()) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // checkout the action!!!
-            $this->_process_form_action();
-            // add some style and make it dance
-            $this->add_styles_and_scripts();
-            // kk... SPCO has successfully run
-            EED_Single_Page_Checkout::$_initialized = true;
-            // set no cache headers and constants
-            EE_System::do_not_cache();
-            // add anchor
-            add_action('loop_start', array($this, 'set_checkout_anchor'), 1);
-            // remove transaction lock
-            add_action('shutdown', array($this, 'unlock_transaction'), 1);
-        } catch (Exception $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-
-    /**
-     *    _verify_session
-     * checks that the session is valid and not expired
-     *
-     * @access    private
-     * @throws EE_Error
-     */
-    private function _verify_session()
-    {
-        if ( ! EE_Registry::instance()->SSN instanceof EE_Session) {
-            throw new EE_Error(__('The EE_Session class could not be loaded.', 'event_espresso'));
-        }
-        $clear_session_requested = filter_var(
-            EE_Registry::instance()->REQ->get('clear_session', false),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // is session still valid ?
-        if ($clear_session_requested
-            || ( EE_Registry::instance()->SSN->expired()
-              && EE_Registry::instance()->REQ->get('e_reg_url_link', '') === ''
-            )
-        ) {
-            $this->checkout = new EE_Checkout();
-            EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
-            // EE_Registry::instance()->SSN->reset_cart();
-            // EE_Registry::instance()->SSN->reset_checkout();
-            // EE_Registry::instance()->SSN->reset_transaction();
-            if (! $clear_session_requested) {
-                EE_Error::add_attention(
-                    EE_Registry::$i18n_js_strings['registration_expiration_notice'],
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-            }
-            // EE_Registry::instance()->SSN->reset_expired();
-        }
-    }
-
-
-
-    /**
-     *    _initialize_checkout
-     * loads and instantiates EE_Checkout
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return EE_Checkout
-     */
-    private function _initialize_checkout()
-    {
-        // look in session for existing checkout
-        /** @type EE_Checkout $checkout */
-        $checkout = EE_Registry::instance()->SSN->checkout();
-        // verify
-        if ( ! $checkout instanceof EE_Checkout) {
-            // instantiate EE_Checkout object for handling the properties of the current checkout process
-            $checkout = EE_Registry::instance()->load_file(
-                SPCO_INC_PATH,
-                'EE_Checkout',
-                'class', array(),
-                false
-            );
-        } else {
-            if ($checkout->current_step->is_final_step() && $checkout->exit_spco() === true) {
-                $this->unlock_transaction();
-                wp_safe_redirect($checkout->redirect_url);
-                exit();
-            }
-        }
-        $checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize_checkout__checkout', $checkout);
-        // verify again
-        if ( ! $checkout instanceof EE_Checkout) {
-            throw new EE_Error(__('The EE_Checkout class could not be loaded.', 'event_espresso'));
-        }
-        // reset anything that needs a clean slate for each request
-        $checkout->reset_for_current_request();
-        return $checkout;
-    }
-
-
-
-    /**
-     *    _get_request_vars
-     *
-     * @access    private
-     * @return    void
-     * @throws EE_Error
-     */
-    private function _get_request_vars()
-    {
-        // load classes
-        EED_Single_Page_Checkout::load_request_handler();
-        //make sure this request is marked as belonging to EE
-        EE_Registry::instance()->REQ->set_espresso_page(true);
-        // which step is being requested ?
-        $this->checkout->step = EE_Registry::instance()->REQ->get('step', $this->_get_first_step());
-        // which step is being edited ?
-        $this->checkout->edit_step = EE_Registry::instance()->REQ->get('edit_step', '');
-        // and what we're doing on the current step
-        $this->checkout->action = EE_Registry::instance()->REQ->get('action', 'display_spco_reg_step');
-        // timestamp
-        $this->checkout->uts = EE_Registry::instance()->REQ->get('uts', 0);
-        // returning to edit ?
-        $this->checkout->reg_url_link = EE_Registry::instance()->REQ->get('e_reg_url_link', '');
-        // add reg url link to registration query params
-        if ($this->checkout->reg_url_link && strpos($this->checkout->reg_url_link, '1-') !== 0) {
-            $this->checkout->reg_cache_where_params[0]['REG_url_link'] = $this->checkout->reg_url_link;
-        }
-        // or some other kind of revisit ?
-        $this->checkout->revisit = filter_var(
-            EE_Registry::instance()->REQ->get('revisit', false),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // and whether or not to generate a reg form for this request
-        $this->checkout->generate_reg_form = filter_var(
-            EE_Registry::instance()->REQ->get('generate_reg_form', true),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // and whether or not to process a reg form submission for this request
-        $this->checkout->process_form_submission = filter_var(
-            EE_Registry::instance()->REQ->get(
-                'process_form_submission',
-                $this->checkout->action === 'process_reg_step'
-            ),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        $this->checkout->process_form_submission = filter_var(
-            $this->checkout->action !== 'display_spco_reg_step'
-                ? $this->checkout->process_form_submission
-                : false,
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // $this->_display_request_vars();
-    }
-
-
-
-    /**
-     *  _display_request_vars
-     *
-     * @access    protected
-     * @return    void
-     */
-    protected function _display_request_vars()
-    {
-        if ( ! WP_DEBUG) {
-            return;
-        }
-        EEH_Debug_Tools::printr($_REQUEST, '$_REQUEST', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->step, '$this->checkout->step', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->edit_step, '$this->checkout->edit_step', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->action, '$this->checkout->action', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->reg_url_link, '$this->checkout->reg_url_link', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->revisit, '$this->checkout->revisit', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->generate_reg_form, '$this->checkout->generate_reg_form', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->process_form_submission, '$this->checkout->process_form_submission', __FILE__, __LINE__);
-    }
-
-
-
-    /**
-     * _block_bots
-     * checks that the incoming request has either of the following set:
-     *  a uts (unix timestamp) which indicates that the request was redirected from the Ticket Selector
-     *  a REG URL Link, which indicates that the request is a return visit to SPCO for a valid TXN
-     * so if you're not coming from the Ticket Selector nor returning for a valid IP...
-     * then where you coming from man?
-     *
-     * @return boolean
-     */
-    private function _block_bots()
-    {
-        $invalid_checkout_access = EED_Invalid_Checkout_Access::getInvalidCheckoutAccess();
-        if ($invalid_checkout_access->checkoutAccessIsInvalid($this->checkout)) {
-            return true;
-        }
-        return false;
-    }
-
-
-
-    /**
-     *    _get_first_step
-     *  gets slug for first step in $_reg_steps_array
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return    string
-     */
-    private function _get_first_step()
-    {
-        $first_step = reset(EED_Single_Page_Checkout::$_reg_steps_array);
-        return isset($first_step['slug']) ? $first_step['slug'] : 'attendee_information';
-    }
-
-
-
-    /**
-     *    _load_and_instantiate_reg_steps
-     *  instantiates each reg step based on the loaded reg_steps array
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return    bool
-     */
-    private function _load_and_instantiate_reg_steps()
-    {
-        do_action('AHEE__Single_Page_Checkout___load_and_instantiate_reg_steps__start', $this->checkout);
-        // have reg_steps already been instantiated ?
-        if (
-            empty($this->checkout->reg_steps)
-            || apply_filters('FHEE__Single_Page_Checkout__load_reg_steps__reload_reg_steps', false, $this->checkout)
-        ) {
-            // if not, then loop through raw reg steps array
-            foreach (EED_Single_Page_Checkout::$_reg_steps_array as $order => $reg_step) {
-                if ( ! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
-                    return false;
-                }
-            }
-            EE_Registry::instance()->CFG->registration->skip_reg_confirmation = true;
-            EE_Registry::instance()->CFG->registration->reg_confirmation_last = true;
-            // skip the registration_confirmation page ?
-            if (EE_Registry::instance()->CFG->registration->skip_reg_confirmation) {
-                // just remove it from the reg steps array
-                $this->checkout->remove_reg_step('registration_confirmation', false);
-            } else if (
-                isset($this->checkout->reg_steps['registration_confirmation'])
-                && EE_Registry::instance()->CFG->registration->reg_confirmation_last
-            ) {
-                // set the order to something big like 100
-                $this->checkout->set_reg_step_order('registration_confirmation', 100);
-            }
-            // filter the array for good luck
-            $this->checkout->reg_steps = apply_filters(
-                'FHEE__Single_Page_Checkout__load_reg_steps__reg_steps',
-                $this->checkout->reg_steps
-            );
-            // finally re-sort based on the reg step class order properties
-            $this->checkout->sort_reg_steps();
-        } else {
-            foreach ($this->checkout->reg_steps as $reg_step) {
-                // set all current step stati to FALSE
-                $reg_step->set_is_current_step(false);
-            }
-        }
-        if (empty($this->checkout->reg_steps)) {
-            EE_Error::add_error(
-                __('No Reg Steps were loaded..', 'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-            return false;
-        }
-        // make reg step details available to JS
-        $this->checkout->set_reg_step_JSON_info();
-        return true;
-    }
-
-
-
-    /**
-     *     _load_and_instantiate_reg_step
-     *
-     * @access    private
-     * @param array $reg_step
-     * @param int   $order
-     * @return bool
-     */
-    private function _load_and_instantiate_reg_step($reg_step = array(), $order = 0)
-    {
-        // we need a file_path, class_name, and slug to add a reg step
-        if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
-            // if editing a specific step, but this is NOT that step... (and it's not the 'finalize_registration' step)
-            if (
-                $this->checkout->reg_url_link
-                && $this->checkout->step !== $reg_step['slug']
-                && $reg_step['slug'] !== 'finalize_registration'
-                // normally at this point we would NOT load the reg step, but this filter can change that
-                && apply_filters(
-                    'FHEE__Single_Page_Checkout___load_and_instantiate_reg_step__bypass_reg_step',
-                    true,
-                    $reg_step,
-                    $this->checkout
-                )
-            ) {
-                return true;
-            }
-            // instantiate step class using file path and class name
-            $reg_step_obj = EE_Registry::instance()->load_file(
-                $reg_step['file_path'],
-                $reg_step['class_name'],
-                'class',
-                $this->checkout,
-                false
-            );
-            // did we gets the goods ?
-            if ($reg_step_obj instanceof EE_SPCO_Reg_Step) {
-                // set reg step order based on config
-                $reg_step_obj->set_order($order);
-                // add instantiated reg step object to the master reg steps array
-                $this->checkout->add_reg_step($reg_step_obj);
-            } else {
-                EE_Error::add_error(
-                    __('The current step could not be set.', 'event_espresso'),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-                return false;
-            }
-        } else {
-            if (WP_DEBUG) {
-                EE_Error::add_error(
-                    sprintf(
-                        __(
-                            'A registration step could not be loaded. One or more of the following data points is invalid:%4$s%5$sFile Path: %1$s%6$s%5$sClass Name: %2$s%6$s%5$sSlug: %3$s%6$s%7$s',
-                            'event_espresso'
-                        ),
-                        isset($reg_step['file_path']) ? $reg_step['file_path'] : '',
-                        isset($reg_step['class_name']) ? $reg_step['class_name'] : '',
-                        isset($reg_step['slug']) ? $reg_step['slug'] : '',
-                        '<ul>',
-                        '<li>',
-                        '</li>',
-                        '</ul>'
-                    ),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-            }
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * _verify_transaction_and_get_registrations
-     *
-     * @access private
-     * @return bool
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws EE_Error
-     */
-    private function _verify_transaction_and_get_registrations()
-    {
-        // was there already a valid transaction in the checkout from the session ?
-        if ( ! $this->checkout->transaction instanceof EE_Transaction) {
-            // get transaction from db or session
-            $this->checkout->transaction = $this->checkout->reg_url_link && ! is_admin()
-                ? $this->_get_transaction_and_cart_for_previous_visit()
-                : $this->_get_cart_for_current_session_and_setup_new_transaction();
-            if ( ! $this->checkout->transaction instanceof EE_Transaction) {
-                EE_Error::add_error(
-                    __('Your Registration and Transaction information could not be retrieved from the db.',
-                        'event_espresso'),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-                $this->checkout->transaction = EE_Transaction::new_instance();
-                // add some style and make it dance
-                $this->add_styles_and_scripts();
-                EED_Single_Page_Checkout::$_initialized = true;
-                return false;
-            }
-            // and the registrations for the transaction
-            $this->_get_registrations($this->checkout->transaction);
-        }
-        return true;
-    }
-
-
-
-    /**
-     * _get_transaction_and_cart_for_previous_visit
-     *
-     * @access private
-     * @return mixed EE_Transaction|NULL
-     */
-    private function _get_transaction_and_cart_for_previous_visit()
-    {
-        /** @var $TXN_model EEM_Transaction */
-        $TXN_model = EE_Registry::instance()->load_model('Transaction');
-        // because the reg_url_link is present in the request,
-        // this is a return visit to SPCO, so we'll get the transaction data from the db
-        $transaction = $TXN_model->get_transaction_from_reg_url_link($this->checkout->reg_url_link);
-        // verify transaction
-        if ($transaction instanceof EE_Transaction) {
-            // and get the cart that was used for that transaction
-            $this->checkout->cart = $this->_get_cart_for_transaction($transaction);
-            return $transaction;
-        }
-        EE_Error::add_error(
-            __('Your Registration and Transaction information could not be retrieved from the db.', 'event_espresso'),
-            __FILE__, __FUNCTION__, __LINE__
-        );
-        return null;
-
-    }
-
-
-
-    /**
-     * _get_cart_for_transaction
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return EE_Cart
-     */
-    private function _get_cart_for_transaction($transaction)
-    {
-        return $this->checkout->get_cart_for_transaction($transaction);
-    }
-
-
-
-    /**
-     * get_cart_for_transaction
-     *
-     * @access public
-     * @param EE_Transaction $transaction
-     * @return EE_Cart
-     */
-    public function get_cart_for_transaction(EE_Transaction $transaction)
-    {
-        return $this->checkout->get_cart_for_transaction($transaction);
-    }
-
-
-
-    /**
-     * _get_transaction_and_cart_for_current_session
-     *    generates a new EE_Transaction object and adds it to the $_transaction property.
-     *
-     * @access private
-     * @return EE_Transaction
-     * @throws EE_Error
-     */
-    private function _get_cart_for_current_session_and_setup_new_transaction()
-    {
-        //  if there's no transaction, then this is the FIRST visit to SPCO
-        // so load up the cart ( passing nothing for the TXN because it doesn't exist yet )
-        $this->checkout->cart = $this->_get_cart_for_transaction(null);
-        // and then create a new transaction
-        $transaction = $this->_initialize_transaction();
-        // verify transaction
-        if ($transaction instanceof EE_Transaction) {
-            // save it so that we have an ID for other objects to use
-            $transaction->save();
-            // and save TXN data to the cart
-            $this->checkout->cart->get_grand_total()->save_this_and_descendants_to_txn($transaction->ID());
-        } else {
-            EE_Error::add_error(
-                __('A Valid Transaction could not be initialized.', 'event_espresso'),
-                __FILE__, __FUNCTION__, __LINE__
-            );
-        }
-        return $transaction;
-    }
-
-
-
-    /**
-     *    generates a new EE_Transaction object and adds it to the $_transaction property.
-     *
-     * @access private
-     * @return mixed EE_Transaction|NULL
-     */
-    private function _initialize_transaction()
-    {
-        try {
-            // ensure cart totals have been calculated
-            $this->checkout->cart->get_grand_total()->recalculate_total_including_taxes();
-            // grab the cart grand total
-            $cart_total = $this->checkout->cart->get_cart_grand_total();
-            // create new TXN
-            $transaction = EE_Transaction::new_instance(
-                array(
-                    'TXN_reg_steps' => $this->checkout->initialize_txn_reg_steps_array(),
-                    'TXN_total'     => $cart_total > 0 ? $cart_total : 0,
-                    'TXN_paid'      => 0,
-                    'STS_ID'        => EEM_Transaction::failed_status_code,
-                )
-            );
-            // save it so that we have an ID for other objects to use
-            $transaction->save();
-            // set cron job for following up on TXNs after their session has expired
-            EE_Cron_Tasks::schedule_expired_transaction_check(
-                EE_Registry::instance()->SSN->expiration() + 1,
-                $transaction->ID()
-            );
-            return $transaction;
-        } catch (Exception $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-        }
-        return null;
-    }
-
-
-    /**
-     * _get_registrations
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws EE_Error
-     */
-    private function _get_registrations(EE_Transaction $transaction)
-    {
-        // first step: grab the registrants  { : o
-        $registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
-        $this->checkout->total_ticket_count = count($registrations);
-        // verify registrations have been set
-        if (empty($registrations)) {
-            // if no cached registrations, then check the db
-            $registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
-            // still nothing ? well as long as this isn't a revisit
-            if (empty($registrations) && ! $this->checkout->revisit) {
-                // generate new registrations from scratch
-                $registrations = $this->_initialize_registrations($transaction);
-            }
-        }
-        // sort by their original registration order
-        usort($registrations, array('EED_Single_Page_Checkout', 'sort_registrations_by_REG_count'));
-        // then loop thru the array
-        foreach ($registrations as $registration) {
-            // verify each registration
-            if ($registration instanceof EE_Registration) {
-                // we display all attendee info for the primary registrant
-                if ($this->checkout->reg_url_link === $registration->reg_url_link()
-                    && $registration->is_primary_registrant()
-                ) {
-                    $this->checkout->primary_revisit = true;
-                    break;
-                }
-                if ($this->checkout->revisit && $this->checkout->reg_url_link !== $registration->reg_url_link()) {
-                    // but hide info if it doesn't belong to you
-                    $transaction->clear_cache('Registration', $registration->ID());
-                    $this->checkout->total_ticket_count--;
-                }
-                $this->checkout->set_reg_status_updated($registration->ID(), false);
-            }
-        }
-    }
-
-
-    /**
-     *    adds related EE_Registration objects for each ticket in the cart to the current EE_Transaction object
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return    array
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws EE_Error
-     */
-    private function _initialize_registrations(EE_Transaction $transaction)
-    {
-        $att_nmbr = 0;
-        $registrations = array();
-        if ($transaction instanceof EE_Transaction) {
-            /** @type EE_Registration_Processor $registration_processor */
-            $registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
-            $this->checkout->total_ticket_count = $this->checkout->cart->all_ticket_quantity_count();
-            // now let's add the cart items to the $transaction
-            foreach ($this->checkout->cart->get_tickets() as $line_item) {
-                //do the following for each ticket of this type they selected
-                for ($x = 1; $x <= $line_item->quantity(); $x++) {
-                    $att_nmbr++;
-                    /** @var EventEspresso\core\services\commands\registration\CreateRegistrationCommand $CreateRegistrationCommand */
-                    $CreateRegistrationCommand = EE_Registry::instance()->create(
-                        'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
-                        array(
-                            $transaction,
-                            $line_item,
-                            $att_nmbr,
-                            $this->checkout->total_ticket_count,
-                        )
-                    );
-                    // override capabilities for frontend registrations
-                    if ( ! is_admin()) {
-                        $CreateRegistrationCommand->setCapCheck(
-                            new PublicCapabilities('', 'create_new_registration')
-                        );
-                    }
-                    $registration = EE_Registry::instance()->BUS->execute($CreateRegistrationCommand);
-                    if ( ! $registration instanceof EE_Registration) {
-                        throw new InvalidEntityException($registration, 'EE_Registration');
-                    }
-                    $registrations[ $registration->ID() ] = $registration;
-                }
-            }
-            $registration_processor->fix_reg_final_price_rounding_issue($transaction);
-        }
-        return $registrations;
-    }
-
-
-
-    /**
-     * sorts registrations by REG_count
-     *
-     * @access public
-     * @param EE_Registration $reg_A
-     * @param EE_Registration $reg_B
-     * @return int
-     */
-    public static function sort_registrations_by_REG_count(EE_Registration $reg_A, EE_Registration $reg_B)
-    {
-        // this shouldn't ever happen within the same TXN, but oh well
-        if ($reg_A->count() === $reg_B->count()) {
-            return 0;
-        }
-        return ($reg_A->count() > $reg_B->count()) ? 1 : -1;
-    }
-
-
-
-    /**
-     *    _final_verifications
-     * just makes sure that everything is set up correctly before proceeding
-     *
-     * @access    private
-     * @return    bool
-     * @throws EE_Error
-     */
-    private function _final_verifications()
-    {
-        // filter checkout
-        $this->checkout = apply_filters(
-            'FHEE__EED_Single_Page_Checkout___final_verifications__checkout',
-            $this->checkout
-        );
-        //verify that current step is still set correctly
-        if ( ! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
-            EE_Error::add_error(
-                __('We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        // if returning to SPCO, then verify that primary registrant is set
-        if ( ! empty($this->checkout->reg_url_link)) {
-            $valid_registrant = $this->checkout->transaction->primary_registration();
-            if ( ! $valid_registrant instanceof EE_Registration) {
-                EE_Error::add_error(
-                    __('We\'re sorry but there appears to be an error with the "reg_url_link" or the primary registrant for this transaction. Please refresh the page and try again or contact support.', 'event_espresso'),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-            $valid_registrant = null;
-            foreach (
-                $this->checkout->transaction->registrations($this->checkout->reg_cache_where_params) as $registration
-            ) {
-                if (
-                    $registration instanceof EE_Registration
-                    && $registration->reg_url_link() === $this->checkout->reg_url_link
-                ) {
-                    $valid_registrant = $registration;
-                }
-            }
-            if ( ! $valid_registrant instanceof EE_Registration) {
-                // hmmm... maybe we have the wrong session because the user is opening multiple tabs ?
-                if (EED_Single_Page_Checkout::$_checkout_verified) {
-                    // clear the session, mark the checkout as unverified, and try again
-                    EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
-                    EED_Single_Page_Checkout::$_initialized = false;
-                    EED_Single_Page_Checkout::$_checkout_verified = false;
-                    $this->_initialize();
-                    EE_Error::reset_notices();
-                    return false;
-                }
-                EE_Error::add_error(
-                    __(
-                        'We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-        }
-        // now that things have been kinda sufficiently verified,
-        // let's add the checkout to the session so that it's available to other systems
-        EE_Registry::instance()->SSN->set_checkout($this->checkout);
-        return true;
-    }
-
-
-
-    /**
-     *    _initialize_reg_steps
-     * first makes sure that EE_Transaction_Processor::set_reg_step_initiated() is called as required
-     * then loops thru all of the active reg steps and calls the initialize_reg_step() method
-     *
-     * @access    private
-     * @param bool $reinitializing
-     * @throws EE_Error
-     */
-    private function _initialize_reg_steps($reinitializing = false)
-    {
-        $this->checkout->set_reg_step_initiated($this->checkout->current_step);
-        // loop thru all steps to call their individual "initialize" methods and set i18n strings for JS
-        foreach ($this->checkout->reg_steps as $reg_step) {
-            if ( ! $reg_step->initialize_reg_step()) {
-                // if not initialized then maybe this step is being removed...
-                if ( ! $reinitializing && $reg_step->is_current_step()) {
-                    // if it was the current step, then we need to start over here
-                    $this->_initialize_reg_steps(true);
-                    return;
-                }
-                continue;
-            }
-            // add css and JS for current step
-            $reg_step->enqueue_styles_and_scripts();
-            // i18n
-            $reg_step->translate_js_strings();
-            if ($reg_step->is_current_step()) {
-                // the text that appears on the reg step form submit button
-                $reg_step->set_submit_button_text();
-            }
-        }
-        // dynamically creates hook point like: AHEE__Single_Page_Checkout___initialize_reg_step__attendee_information
-        do_action(
-            "AHEE__Single_Page_Checkout___initialize_reg_step__{$this->checkout->current_step->slug()}",
-            $this->checkout->current_step
-        );
-    }
-
-
-
-    /**
-     * _check_form_submission
-     *
-     * @access private
-     * @return boolean
-     */
-    private function _check_form_submission()
-    {
-        //does this request require the reg form to be generated ?
-        if ($this->checkout->generate_reg_form) {
-            // ever heard that song by Blue Rodeo ?
-            try {
-                $this->checkout->current_step->reg_form = $this->checkout->current_step->generate_reg_form();
-                // if not displaying a form, then check for form submission
-                if (
-                    $this->checkout->process_form_submission
-                    && $this->checkout->current_step->reg_form->was_submitted()
-                ) {
-                    // clear out any old data in case this step is being run again
-                    $this->checkout->current_step->set_valid_data(array());
-                    // capture submitted form data
-                    $this->checkout->current_step->reg_form->receive_form_submission(
-                        apply_filters(
-                            'FHEE__Single_Page_Checkout___check_form_submission__request_params',
-                            EE_Registry::instance()->REQ->params(),
-                            $this->checkout
-                        )
-                    );
-                    // validate submitted form data
-                    if ( ! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
-                        // thou shall not pass !!!
-                        $this->checkout->continue_reg = false;
-                        // any form validation errors?
-                        if ($this->checkout->current_step->reg_form->submission_error_message() !== '') {
-                            EE_Error::add_error(
-                                $this->checkout->current_step->reg_form->submission_error_message(),
-                                __FILE__, __FUNCTION__, __LINE__
-                            );
-                        }
-                        // well not really... what will happen is
-                        // we'll just get redirected back to redo the current step
-                        $this->go_to_next_step();
-                        return false;
-                    }
-                }
-            } catch (EE_Error $e) {
-                $e->get_error();
-            }
-        }
-        return true;
-    }
-
-
-
-    /**
-     * _process_action
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     */
-    private function _process_form_action()
-    {
-        // what cha wanna do?
-        switch ($this->checkout->action) {
-            // AJAX next step reg form
-            case 'display_spco_reg_step' :
-                $this->checkout->redirect = false;
-                if (EE_Registry::instance()->REQ->ajax) {
-                    $this->checkout->json_response->set_reg_step_html(
-                        $this->checkout->current_step->display_reg_form()
-                    );
-                }
-                break;
-            default :
-                // meh... do one of those other steps first
-                if (
-                    ! empty($this->checkout->action)
-                    && is_callable(array($this->checkout->current_step, $this->checkout->action))
-                ) {
-                    // dynamically creates hook point like:
-                    //   AHEE__Single_Page_Checkout__before_attendee_information__process_reg_step
-                    do_action(
-                        "AHEE__Single_Page_Checkout__before_{$this->checkout->current_step->slug()}__{$this->checkout->action}",
-                        $this->checkout->current_step
-                    );
-                    // call action on current step
-                    if (call_user_func(array($this->checkout->current_step, $this->checkout->action))) {
-                        // good registrant, you get to proceed
-                        if (
-                            $this->checkout->current_step->success_message() !== ''
-                            && apply_filters(
-                                'FHEE__Single_Page_Checkout___process_form_action__display_success',
-                                false
-                            )
-                        ) {
-                            EE_Error::add_success(
-                                $this->checkout->current_step->success_message()
-                                . '<br />' . $this->checkout->next_step->_instructions()
-                            );
-                        }
-                        // pack it up, pack it in...
-                        $this->_setup_redirect();
-                    }
-                    // dynamically creates hook point like:
-                    //  AHEE__Single_Page_Checkout__after_payment_options__process_reg_step
-                    do_action(
-                        "AHEE__Single_Page_Checkout__after_{$this->checkout->current_step->slug()}__{$this->checkout->action}",
-                        $this->checkout->current_step
-                    );
-                } else {
-                    EE_Error::add_error(
-                        sprintf(
-                            __(
-                                'The requested form action "%s" does not exist for the current "%s" registration step.',
-                                'event_espresso'
-                            ),
-                            $this->checkout->action,
-                            $this->checkout->current_step->name()
-                        ),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                }
-            // end default
-        }
-        // store our progress so far
-        $this->checkout->stash_transaction_and_checkout();
-        // advance to the next step! If you pass GO, collect $200
-        $this->go_to_next_step();
-    }
-
-
-
-    /**
-     *        add_styles_and_scripts
-     *
-     * @access        public
-     * @return        void
-     */
-    public function add_styles_and_scripts()
-    {
-        // i18n
-        $this->translate_js_strings();
-        if ($this->checkout->admin_request) {
-            add_action('admin_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
-        } else {
-            add_action('wp_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
-        }
-    }
-
-
-
-    /**
-     *        translate_js_strings
-     *
-     * @access        public
-     * @return        void
-     */
-    public function translate_js_strings()
-    {
-        EE_Registry::$i18n_js_strings['revisit'] = $this->checkout->revisit;
-        EE_Registry::$i18n_js_strings['e_reg_url_link'] = $this->checkout->reg_url_link;
-        EE_Registry::$i18n_js_strings['server_error'] = __(
-            'An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['invalid_json_response'] = __(
-            'An invalid response was returned from the server while attempting to process your request. Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['validation_error'] = __(
-            'There appears to be a problem with the form validation configuration! Please check the admin settings or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['invalid_payment_method'] = __(
-            'There appears to be a problem with the payment method configuration! Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['reg_step_error'] = __(
-            'This registration step could not be completed. Please refresh the page and try again.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['invalid_coupon'] = __(
-            'We\'re sorry but that coupon code does not appear to be valid. If this is incorrect, please contact the site administrator.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['process_registration'] = sprintf(
-            __(
-                'Please wait while we process your registration.%sDo not refresh the page or navigate away while this is happening.%sThank you for your patience.',
-                'event_espresso'
-            ),
-            '<br/>',
-            '<br/>'
-        );
-        EE_Registry::$i18n_js_strings['language'] = get_bloginfo('language');
-        EE_Registry::$i18n_js_strings['EESID'] = EE_Registry::instance()->SSN->id();
-        EE_Registry::$i18n_js_strings['currency'] = EE_Registry::instance()->CFG->currency;
-        EE_Registry::$i18n_js_strings['datepicker_yearRange'] = '-150:+20';
-        EE_Registry::$i18n_js_strings['timer_years'] = __('years', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_months'] = __('months', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_weeks'] = __('weeks', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_days'] = __('days', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_hours'] = __('hours', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_minutes'] = __('minutes', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_seconds'] = __('seconds', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_year'] = __('year', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_month'] = __('month', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_week'] = __('week', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_day'] = __('day', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_hour'] = __('hour', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_minute'] = __('minute', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_second'] = __('second', 'event_espresso');
-        EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice();
-        EE_Registry::$i18n_js_strings['ajax_submit'] = apply_filters(
-            'FHEE__Single_Page_Checkout__translate_js_strings__ajax_submit',
-            true
-        );
-        EE_Registry::$i18n_js_strings['session_extension'] = absint(
-            apply_filters('FHEE__EE_Session__extend_expiration__seconds_added', 10 * MINUTE_IN_SECONDS)
-        );
-        EE_Registry::$i18n_js_strings['session_expiration'] = gmdate(
-            'M d, Y H:i:s',
-            EE_Registry::instance()->SSN->expiration() + (get_option('gmt_offset') * HOUR_IN_SECONDS)
-        );
-    }
-
-
-
-    /**
-     *    enqueue_styles_and_scripts
-     *
-     * @access        public
-     * @return        void
-     * @throws EE_Error
-     */
-    public function enqueue_styles_and_scripts()
-    {
-        // load css
-        wp_register_style(
-            'single_page_checkout',
-            SPCO_CSS_URL . 'single_page_checkout.css',
-            array('espresso_default'),
-            EVENT_ESPRESSO_VERSION
-        );
-        wp_enqueue_style('single_page_checkout');
-        // load JS
-        wp_register_script(
-            'jquery_plugin',
-            EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js',
-            array('jquery'),
-            '1.0.1',
-            true
-        );
-        wp_register_script(
-            'jquery_countdown',
-            EE_THIRD_PARTY_URL . 'jquery	.countdown.min.js',
-            array('jquery_plugin'),
-            '2.0.2',
-            true
-        );
-        wp_register_script(
-            'single_page_checkout',
-            SPCO_JS_URL . 'single_page_checkout.js',
-            array('espresso_core', 'underscore', 'ee_form_section_validation', 'jquery_countdown'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        if ($this->checkout->registration_form instanceof EE_Form_Section_Proper) {
-            $this->checkout->registration_form->enqueue_js();
-        }
-        if ($this->checkout->current_step->reg_form instanceof EE_Form_Section_Proper) {
-            $this->checkout->current_step->reg_form->enqueue_js();
-        }
-        wp_enqueue_script('single_page_checkout');
-        /**
-         * global action hook for enqueueing styles and scripts with
-         * spco calls.
-         */
-        do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts', $this);
-        /**
-         * dynamic action hook for enqueueing styles and scripts with spco calls.
-         * The hook will end up being something like:
-         *      AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
-         */
-        do_action(
-            'AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(),
-            $this
-        );
-    }
-
-
-
-    /**
-     *    display the Registration Single Page Checkout Form
-     *
-     * @access    private
-     * @return    void
-     * @throws EE_Error
-     */
-    private function _display_spco_reg_form()
-    {
-        // if registering via the admin, just display the reg form for the current step
-        if ($this->checkout->admin_request) {
-            EE_Registry::instance()->REQ->add_output($this->checkout->current_step->display_reg_form());
-        } else {
-            // add powered by EE msg
-            add_action('AHEE__SPCO__reg_form_footer', array('EED_Single_Page_Checkout', 'display_registration_footer'));
-            $empty_cart = count(
-                $this->checkout->transaction->registrations($this->checkout->reg_cache_where_params)
-            ) < 1;
-            EE_Registry::$i18n_js_strings['empty_cart'] = $empty_cart;
-            $cookies_not_set_msg = '';
-            if ($empty_cart) {
-                $cookies_not_set_msg = apply_filters(
-                    'FHEE__Single_Page_Checkout__display_spco_reg_form__cookies_not_set_msg',
-                    sprintf(
-                        __(
-                            '%1$s%3$sIt appears your browser is not currently set to accept Cookies%4$s%5$sIn order to register for events, you need to enable cookies.%7$sIf you require assistance, then click the following link to learn how to %8$senable cookies%9$s%6$s%2$s',
-                            'event_espresso'
-                        ),
-                        '<div class="ee-attention hidden" id="ee-cookies-not-set-msg">',
-                        '</div>',
-                        '<h6 class="important-notice">',
-                        '</h6>',
-                        '<p>',
-                        '</p>',
-                        '<br />',
-                        '<a href="http://www.whatarecookies.com/enable.asp" target="_blank">',
-                        '</a>'
-                    )
-                );
-            }
-            $this->checkout->registration_form = new EE_Form_Section_Proper(
-                array(
-                    'name'            => 'single-page-checkout',
-                    'html_id'         => 'ee-single-page-checkout-dv',
-                    'layout_strategy' =>
-                        new EE_Template_Layout(
-                            array(
-                                'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
-                                'template_args'        => array(
-                                    'empty_cart'              => $empty_cart,
-                                    'revisit'                 => $this->checkout->revisit,
-                                    'reg_steps'               => $this->checkout->reg_steps,
-                                    'next_step'               => $this->checkout->next_step instanceof EE_SPCO_Reg_Step
-                                        ? $this->checkout->next_step->slug()
-                                        : '',
-                                    'empty_msg'               => apply_filters(
-                                        'FHEE__Single_Page_Checkout__display_spco_reg_form__empty_msg',
-                                        sprintf(
-                                            __(
-                                                'You need to %1$sReturn to Events list%2$sselect at least one event%3$s before you can proceed with the registration process.',
-                                                'event_espresso'
-                                            ),
-                                            '<a href="'
-                                            . get_post_type_archive_link('espresso_events')
-                                            . '" title="',
-                                            '">',
-                                            '</a>'
-                                        )
-                                    ),
-                                    'cookies_not_set_msg'     => $cookies_not_set_msg,
-                                    'registration_time_limit' => $this->checkout->get_registration_time_limit(),
-                                    'session_expiration'      => gmdate(
-                                        'M d, Y H:i:s',
-                                        EE_Registry::instance()->SSN->expiration()
-                                        + (get_option('gmt_offset') * HOUR_IN_SECONDS)
-                                    ),
-                                ),
-                            )
-                        ),
-                )
-            );
-            // load template and add to output sent that gets filtered into the_content()
-            EE_Registry::instance()->REQ->add_output($this->checkout->registration_form->get_html());
-        }
-    }
-
-
-
-    /**
-     *    add_extra_finalize_registration_inputs
-     *
-     * @access    public
-     * @param $next_step
-     * @internal  param string $label
-     * @return void
-     */
-    public function add_extra_finalize_registration_inputs($next_step)
-    {
-        if ($next_step === 'finalize_registration') {
-            echo '<div id="spco-extra-finalize_registration-inputs-dv"></div>';
-        }
-    }
-
-
-
-    /**
-     *    display_registration_footer
-     *
-     * @access    public
-     * @return    string
-     */
-    public static function display_registration_footer()
-    {
-        if (
-        apply_filters(
-            'FHEE__EE_Front__Controller__show_reg_footer',
-            EE_Registry::instance()->CFG->admin->show_reg_footer
-        )
-        ) {
-            add_filter(
-                'FHEE__EEH_Template__powered_by_event_espresso__url',
-                function ($url) {
-                    return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
-                }
-            );
-            echo apply_filters(
-                'FHEE__EE_Front_Controller__display_registration_footer',
-                \EEH_Template::powered_by_event_espresso(
-                    '',
-                    'espresso-registration-footer-dv',
-                    array('utm_content' => 'registration_checkout')
-                )
-            );
-        }
-        return '';
-    }
-
-
-
-    /**
-     *    unlock_transaction
-     *
-     * @access    public
-     * @return    void
-     * @throws EE_Error
-     */
-    public function unlock_transaction()
-    {
-        if ($this->checkout->transaction instanceof EE_Transaction) {
-            $this->checkout->transaction->unlock();
-        }
-    }
-
-
-
-    /**
-     *        _setup_redirect
-     *
-     * @access    private
-     * @return void
-     */
-    private function _setup_redirect()
-    {
-        if ($this->checkout->continue_reg && $this->checkout->next_step instanceof EE_SPCO_Reg_Step) {
-            $this->checkout->redirect = true;
-            if (empty($this->checkout->redirect_url)) {
-                $this->checkout->redirect_url = $this->checkout->next_step->reg_step_url();
-            }
-            $this->checkout->redirect_url = apply_filters(
-                'FHEE__EED_Single_Page_Checkout___setup_redirect__checkout_redirect_url',
-                $this->checkout->redirect_url,
-                $this->checkout
-            );
-        }
-    }
-
-
-
-    /**
-     *   handle ajax message responses and redirects
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     */
-    public function go_to_next_step()
-    {
-        if (EE_Registry::instance()->REQ->ajax) {
-            // capture contents of output buffer we started earlier in the request, and insert into JSON response
-            $this->checkout->json_response->set_unexpected_errors(ob_get_clean());
-        }
-        $this->unlock_transaction();
-        // just return for these conditions
-        if (
-            $this->checkout->admin_request
-            || $this->checkout->action === 'redirect_form'
-            || $this->checkout->action === 'update_checkout'
-        ) {
-            return;
-        }
-        // AJAX response
-        $this->_handle_json_response();
-        // redirect to next step or the Thank You page
-        $this->_handle_html_redirects();
-        // hmmm... must be something wrong, so let's just display the form again !
-        $this->_display_spco_reg_form();
-    }
-
-
-
-    /**
-     *   _handle_json_response
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _handle_json_response()
-    {
-        // if this is an ajax request
-        if (EE_Registry::instance()->REQ->ajax) {
-            // DEBUG LOG
-            //$this->checkout->log(
-            //	__CLASS__, __FUNCTION__, __LINE__,
-            //	array(
-            //		'json_response_redirect_url' => $this->checkout->json_response->redirect_url(),
-            //		'redirect'                   => $this->checkout->redirect,
-            //		'continue_reg'               => $this->checkout->continue_reg,
-            //	)
-            //);
-            $this->checkout->json_response->set_registration_time_limit(
-                $this->checkout->get_registration_time_limit()
-            );
-            $this->checkout->json_response->set_payment_amount($this->checkout->amount_owing);
-            // just send the ajax (
-            $json_response = apply_filters(
-                'FHEE__EE_Single_Page_Checkout__JSON_response',
-                $this->checkout->json_response
-            );
-            echo $json_response;
-            exit();
-        }
-    }
-
-
-
-    /**
-     *   _handle_redirects
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _handle_html_redirects()
-    {
-        // going somewhere ?
-        if ($this->checkout->redirect && ! empty($this->checkout->redirect_url)) {
-            // store notices in a transient
-            EE_Error::get_notices(false, true, true);
-            // DEBUG LOG
-            //$this->checkout->log(
-            //	__CLASS__, __FUNCTION__, __LINE__,
-            //	array(
-            //		'headers_sent' => headers_sent(),
-            //		'redirect_url'     => $this->checkout->redirect_url,
-            //		'headers_list'    => headers_list(),
-            //	)
-            //);
-            wp_safe_redirect($this->checkout->redirect_url);
-            exit();
-        }
-    }
-
-
-
-    /**
-     *   set_checkout_anchor
-     *
-     * @access public
-     * @return void
-     */
-    public function set_checkout_anchor()
-    {
-        echo '<a id="checkout" style="float: left; margin-left: -999em;"></a>';
-    }
-
-    /**
-     *    getRegistrationExpirationNotice
-     *
-     * @since 4.9.59.p
-     * @access    public
-     * @return    string
-     */
-    public static function getRegistrationExpirationNotice()
-    {
-        return sprintf(
-            __('%1$sWe\'re sorry, but your registration time has expired.%2$s%3$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please accept our apologies for any inconvenience this may have caused.%8$s',
-                'event_espresso'),
-            '<h4 class="important-notice">',
-            '</h4>',
-            '<br />',
-            '<p>',
-            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
-            '">',
-            '</a>',
-            '</p>'
-        );
-    }
+	/**
+	 * $_initialized - has the SPCO controller already been initialized ?
+	 *
+	 * @access private
+	 * @var bool $_initialized
+	 */
+	private static $_initialized = false;
+
+
+	/**
+	 * $_checkout_verified - is the EE_Checkout verified as correct for this request ?
+	 *
+	 * @access private
+	 * @var bool $_valid_checkout
+	 */
+	private static $_checkout_verified = true;
+
+	/**
+	 *    $_reg_steps_array - holds initial array of reg steps
+	 *
+	 * @access private
+	 * @var array $_reg_steps_array
+	 */
+	private static $_reg_steps_array = array();
+
+	/**
+	 *    $checkout - EE_Checkout object for handling the properties of the current checkout process
+	 *
+	 * @access public
+	 * @var EE_Checkout $checkout
+	 */
+	public $checkout;
+
+
+
+	/**
+	 * @return EED_Module|EED_Single_Page_Checkout
+	 */
+	public static function instance()
+	{
+		add_filter('EED_Single_Page_Checkout__SPCO_active', '__return_true');
+		return parent::get_instance(__CLASS__);
+	}
+
+
+
+	/**
+	 * @return EE_CART
+	 */
+	public function cart()
+	{
+		return $this->checkout->cart;
+	}
+
+
+
+	/**
+	 * @return EE_Transaction
+	 */
+	public function transaction()
+	{
+		return $this->checkout->transaction;
+	}
+
+
+
+	/**
+	 *    set_hooks - for hooking into EE Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public static function set_hooks()
+	{
+		EED_Single_Page_Checkout::set_definitions();
+	}
+
+
+
+	/**
+	 *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public static function set_hooks_admin()
+	{
+		EED_Single_Page_Checkout::set_definitions();
+		if ( ! (defined('DOING_AJAX') && DOING_AJAX)) {
+			return;
+		}
+		// going to start an output buffer in case anything gets accidentally output
+		// that might disrupt our JSON response
+		ob_start();
+		EED_Single_Page_Checkout::load_request_handler();
+		EED_Single_Page_Checkout::load_reg_steps();
+		// set ajax hooks
+		add_action('wp_ajax_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
+		add_action('wp_ajax_nopriv_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
+		add_action('wp_ajax_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
+		add_action('wp_ajax_nopriv_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
+		add_action('wp_ajax_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
+		add_action('wp_ajax_nopriv_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
+	}
+
+
+
+	/**
+	 *    process ajax request
+	 *
+	 * @param string $ajax_action
+	 * @throws EE_Error
+	 */
+	public static function process_ajax_request($ajax_action)
+	{
+		EE_Registry::instance()->REQ->set('action', $ajax_action);
+		EED_Single_Page_Checkout::instance()->_initialize();
+	}
+
+
+
+	/**
+	 *    ajax display registration step
+	 *
+	 * @throws EE_Error
+	 */
+	public static function display_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('display_spco_reg_step');
+	}
+
+
+
+	/**
+	 *    ajax process registration step
+	 *
+	 * @throws EE_Error
+	 */
+	public static function process_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('process_reg_step');
+	}
+
+
+
+	/**
+	 *    ajax process registration step
+	 *
+	 * @throws EE_Error
+	 */
+	public static function update_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('update_reg_step');
+	}
+
+
+
+	/**
+	 *   update_checkout
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function update_checkout()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('update_checkout');
+	}
+
+
+
+	/**
+	 *    load_request_handler
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function load_request_handler()
+	{
+		// load core Request_Handler class
+		if (EE_Registry::instance()->REQ !== null) {
+			EE_Registry::instance()->load_core('Request_Handler');
+		}
+	}
+
+
+
+	/**
+	 *    set_definitions
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public static function set_definitions()
+	{
+		if(defined('SPCO_BASE_PATH')) {
+			return;
+		}
+		define(
+			'SPCO_BASE_PATH',
+			rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS
+		);
+		define('SPCO_CSS_URL', plugin_dir_url(__FILE__) . 'css' . DS);
+		define('SPCO_IMG_URL', plugin_dir_url(__FILE__) . 'img' . DS);
+		define('SPCO_JS_URL', plugin_dir_url(__FILE__) . 'js' . DS);
+		define('SPCO_INC_PATH', SPCO_BASE_PATH . 'inc' . DS);
+		define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH . 'reg_steps' . DS);
+		define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH . 'templates' . DS);
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(SPCO_BASE_PATH, true);
+		EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice();
+	}
+
+
+
+	/**
+	 * load_reg_steps
+	 * loads and instantiates each reg step based on the EE_Registry::instance()->CFG->registration->reg_steps array
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 */
+	public static function load_reg_steps()
+	{
+		static $reg_steps_loaded = false;
+		if ($reg_steps_loaded) {
+			return;
+		}
+		// filter list of reg_steps
+		$reg_steps_to_load = (array)apply_filters(
+			'AHEE__SPCO__load_reg_steps__reg_steps_to_load',
+			EED_Single_Page_Checkout::get_reg_steps()
+		);
+		// sort by key (order)
+		ksort($reg_steps_to_load);
+		// loop through folders
+		foreach ($reg_steps_to_load as $order => $reg_step) {
+			// we need a
+			if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
+				// copy over to the reg_steps_array
+				EED_Single_Page_Checkout::$_reg_steps_array[$order] = $reg_step;
+				// register custom key route for each reg step
+				// ie: step=>"slug" - this is the entire reason we load the reg steps array now
+				EE_Config::register_route(
+					$reg_step['slug'],
+					'EED_Single_Page_Checkout',
+					'run',
+					'step'
+				);
+				// add AJAX or other hooks
+				if (isset($reg_step['has_hooks']) && $reg_step['has_hooks']) {
+					// setup autoloaders if necessary
+					if ( ! class_exists($reg_step['class_name'])) {
+						EEH_Autoloader::register_autoloaders_for_each_file_in_folder(
+							$reg_step['file_path'],
+							true
+						);
+					}
+					if (is_callable($reg_step['class_name'], 'set_hooks')) {
+						call_user_func(array($reg_step['class_name'], 'set_hooks'));
+					}
+				}
+			}
+		}
+		$reg_steps_loaded = true;
+	}
+
+
+
+	/**
+	 *    get_reg_steps
+	 *
+	 * @access    public
+	 * @return    array
+	 */
+	public static function get_reg_steps()
+	{
+		$reg_steps = EE_Registry::instance()->CFG->registration->reg_steps;
+		if (empty($reg_steps)) {
+			$reg_steps = array(
+				10  => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
+					'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
+					'slug'       => 'attendee_information',
+					'has_hooks'  => false,
+				),
+				20  => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'registration_confirmation',
+					'class_name' => 'EE_SPCO_Reg_Step_Registration_Confirmation',
+					'slug'       => 'registration_confirmation',
+					'has_hooks'  => false,
+				),
+				30  => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
+					'class_name' => 'EE_SPCO_Reg_Step_Payment_Options',
+					'slug'       => 'payment_options',
+					'has_hooks'  => true,
+				),
+				999 => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'finalize_registration',
+					'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
+					'slug'       => 'finalize_registration',
+					'has_hooks'  => false,
+				),
+			);
+		}
+		return $reg_steps;
+	}
+
+
+
+	/**
+	 *    registration_checkout_for_admin
+	 *
+	 * @access    public
+	 * @return    string
+	 * @throws EE_Error
+	 */
+	public static function registration_checkout_for_admin()
+	{
+		EED_Single_Page_Checkout::load_request_handler();
+		EE_Registry::instance()->REQ->set('step', 'attendee_information');
+		EE_Registry::instance()->REQ->set('action', 'display_spco_reg_step');
+		EE_Registry::instance()->REQ->set('process_form_submission', false);
+		EED_Single_Page_Checkout::instance()->_initialize();
+		EED_Single_Page_Checkout::instance()->_display_spco_reg_form();
+		return EE_Registry::instance()->REQ->get_output();
+	}
+
+
+
+	/**
+	 * process_registration_from_admin
+	 *
+	 * @access public
+	 * @return \EE_Transaction
+	 * @throws EE_Error
+	 */
+	public static function process_registration_from_admin()
+	{
+		EED_Single_Page_Checkout::load_request_handler();
+		EE_Registry::instance()->REQ->set('step', 'attendee_information');
+		EE_Registry::instance()->REQ->set('action', 'process_reg_step');
+		EE_Registry::instance()->REQ->set('process_form_submission', true);
+		EED_Single_Page_Checkout::instance()->_initialize();
+		if (EED_Single_Page_Checkout::instance()->checkout->current_step->completed()) {
+			$final_reg_step = end(EED_Single_Page_Checkout::instance()->checkout->reg_steps);
+			if ($final_reg_step instanceof EE_SPCO_Reg_Step_Finalize_Registration) {
+				EED_Single_Page_Checkout::instance()->checkout->set_reg_step_initiated($final_reg_step);
+				if ($final_reg_step->process_reg_step()) {
+					$final_reg_step->set_completed();
+					EED_Single_Page_Checkout::instance()->checkout->update_txn_reg_steps_array();
+					return EED_Single_Page_Checkout::instance()->checkout->transaction;
+				}
+			}
+		}
+		return null;
+	}
+
+
+
+	/**
+	 *    run
+	 *
+	 * @access    public
+	 * @param WP_Query $WP_Query
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public function run($WP_Query)
+	{
+		if (
+			$WP_Query instanceof WP_Query
+			&& $WP_Query->is_main_query()
+			&& apply_filters('FHEE__EED_Single_Page_Checkout__run', true)
+			&& $this->_is_reg_checkout()
+		) {
+			$this->_initialize();
+		}
+	}
+
+
+
+	/**
+	 * determines whether current url matches reg page url
+	 *
+	 * @return bool
+	 */
+	protected function _is_reg_checkout()
+	{
+		// get current permalink for reg page without any extra query args
+		$reg_page_url = \get_permalink(EE_Config::instance()->core->reg_page_id);
+		// get request URI for current request, but without the scheme or host
+		$current_request_uri = \EEH_URL::filter_input_server_url('REQUEST_URI');
+		$current_request_uri = html_entity_decode($current_request_uri);
+		// get array of query args from the current request URI
+		$query_args = \EEH_URL::get_query_string($current_request_uri);
+		// grab page id if it is set
+		$page_id = isset($query_args['page_id']) ? absint($query_args['page_id']) : 0;
+		// and remove the page id from the query args (we will re-add it later)
+		unset($query_args['page_id']);
+		// now strip all query args from current request URI
+		$current_request_uri = remove_query_arg(array_keys($query_args), $current_request_uri);
+		// and re-add the page id if it was set
+		if ($page_id) {
+			$current_request_uri = add_query_arg('page_id', $page_id, $current_request_uri);
+		}
+		// remove slashes and ?
+		$current_request_uri = trim($current_request_uri, '?/');
+		// is current request URI part of the known full reg page URL ?
+		return ! empty($current_request_uri) && strpos($reg_page_url, $current_request_uri) !== false;
+	}
+
+
+
+	/**
+	 * @param WP_Query $wp_query
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public static function init($wp_query)
+	{
+		EED_Single_Page_Checkout::instance()->run($wp_query);
+	}
+
+
+
+	/**
+	 *    _initialize - initial module setup
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return    void
+	 */
+	private function _initialize()
+	{
+		// ensure SPCO doesn't run twice
+		if (EED_Single_Page_Checkout::$_initialized) {
+			return;
+		}
+		try {
+			EED_Single_Page_Checkout::load_reg_steps();
+			$this->_verify_session();
+			// setup the EE_Checkout object
+			$this->checkout = $this->_initialize_checkout();
+			// filter checkout
+			$this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize__checkout', $this->checkout);
+			// get the $_GET
+			$this->_get_request_vars();
+			if ($this->_block_bots()) {
+				return;
+			}
+			// filter continue_reg
+			$this->checkout->continue_reg = apply_filters(
+				'FHEE__EED_Single_Page_Checkout__init___continue_reg',
+				true,
+				$this->checkout
+			);
+			// load the reg steps array
+			if ( ! $this->_load_and_instantiate_reg_steps()) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// set the current step
+			$this->checkout->set_current_step($this->checkout->step);
+			// and the next step
+			$this->checkout->set_next_step();
+			// verify that everything has been setup correctly
+			if ( ! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// lock the transaction
+			$this->checkout->transaction->lock();
+			// make sure all of our cached objects are added to their respective model entity mappers
+			$this->checkout->refresh_all_entities();
+			// set amount owing
+			$this->checkout->amount_owing = $this->checkout->transaction->remaining();
+			// initialize each reg step, which gives them the chance to potentially alter the process
+			$this->_initialize_reg_steps();
+			// DEBUG LOG
+			//$this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
+			// get reg form
+			if( ! $this->_check_form_submission()) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// checkout the action!!!
+			$this->_process_form_action();
+			// add some style and make it dance
+			$this->add_styles_and_scripts();
+			// kk... SPCO has successfully run
+			EED_Single_Page_Checkout::$_initialized = true;
+			// set no cache headers and constants
+			EE_System::do_not_cache();
+			// add anchor
+			add_action('loop_start', array($this, 'set_checkout_anchor'), 1);
+			// remove transaction lock
+			add_action('shutdown', array($this, 'unlock_transaction'), 1);
+		} catch (Exception $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+
+	/**
+	 *    _verify_session
+	 * checks that the session is valid and not expired
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 */
+	private function _verify_session()
+	{
+		if ( ! EE_Registry::instance()->SSN instanceof EE_Session) {
+			throw new EE_Error(__('The EE_Session class could not be loaded.', 'event_espresso'));
+		}
+		$clear_session_requested = filter_var(
+			EE_Registry::instance()->REQ->get('clear_session', false),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// is session still valid ?
+		if ($clear_session_requested
+			|| ( EE_Registry::instance()->SSN->expired()
+			  && EE_Registry::instance()->REQ->get('e_reg_url_link', '') === ''
+			)
+		) {
+			$this->checkout = new EE_Checkout();
+			EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
+			// EE_Registry::instance()->SSN->reset_cart();
+			// EE_Registry::instance()->SSN->reset_checkout();
+			// EE_Registry::instance()->SSN->reset_transaction();
+			if (! $clear_session_requested) {
+				EE_Error::add_attention(
+					EE_Registry::$i18n_js_strings['registration_expiration_notice'],
+					__FILE__, __FUNCTION__, __LINE__
+				);
+			}
+			// EE_Registry::instance()->SSN->reset_expired();
+		}
+	}
+
+
+
+	/**
+	 *    _initialize_checkout
+	 * loads and instantiates EE_Checkout
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return EE_Checkout
+	 */
+	private function _initialize_checkout()
+	{
+		// look in session for existing checkout
+		/** @type EE_Checkout $checkout */
+		$checkout = EE_Registry::instance()->SSN->checkout();
+		// verify
+		if ( ! $checkout instanceof EE_Checkout) {
+			// instantiate EE_Checkout object for handling the properties of the current checkout process
+			$checkout = EE_Registry::instance()->load_file(
+				SPCO_INC_PATH,
+				'EE_Checkout',
+				'class', array(),
+				false
+			);
+		} else {
+			if ($checkout->current_step->is_final_step() && $checkout->exit_spco() === true) {
+				$this->unlock_transaction();
+				wp_safe_redirect($checkout->redirect_url);
+				exit();
+			}
+		}
+		$checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize_checkout__checkout', $checkout);
+		// verify again
+		if ( ! $checkout instanceof EE_Checkout) {
+			throw new EE_Error(__('The EE_Checkout class could not be loaded.', 'event_espresso'));
+		}
+		// reset anything that needs a clean slate for each request
+		$checkout->reset_for_current_request();
+		return $checkout;
+	}
+
+
+
+	/**
+	 *    _get_request_vars
+	 *
+	 * @access    private
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	private function _get_request_vars()
+	{
+		// load classes
+		EED_Single_Page_Checkout::load_request_handler();
+		//make sure this request is marked as belonging to EE
+		EE_Registry::instance()->REQ->set_espresso_page(true);
+		// which step is being requested ?
+		$this->checkout->step = EE_Registry::instance()->REQ->get('step', $this->_get_first_step());
+		// which step is being edited ?
+		$this->checkout->edit_step = EE_Registry::instance()->REQ->get('edit_step', '');
+		// and what we're doing on the current step
+		$this->checkout->action = EE_Registry::instance()->REQ->get('action', 'display_spco_reg_step');
+		// timestamp
+		$this->checkout->uts = EE_Registry::instance()->REQ->get('uts', 0);
+		// returning to edit ?
+		$this->checkout->reg_url_link = EE_Registry::instance()->REQ->get('e_reg_url_link', '');
+		// add reg url link to registration query params
+		if ($this->checkout->reg_url_link && strpos($this->checkout->reg_url_link, '1-') !== 0) {
+			$this->checkout->reg_cache_where_params[0]['REG_url_link'] = $this->checkout->reg_url_link;
+		}
+		// or some other kind of revisit ?
+		$this->checkout->revisit = filter_var(
+			EE_Registry::instance()->REQ->get('revisit', false),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// and whether or not to generate a reg form for this request
+		$this->checkout->generate_reg_form = filter_var(
+			EE_Registry::instance()->REQ->get('generate_reg_form', true),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// and whether or not to process a reg form submission for this request
+		$this->checkout->process_form_submission = filter_var(
+			EE_Registry::instance()->REQ->get(
+				'process_form_submission',
+				$this->checkout->action === 'process_reg_step'
+			),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		$this->checkout->process_form_submission = filter_var(
+			$this->checkout->action !== 'display_spco_reg_step'
+				? $this->checkout->process_form_submission
+				: false,
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// $this->_display_request_vars();
+	}
+
+
+
+	/**
+	 *  _display_request_vars
+	 *
+	 * @access    protected
+	 * @return    void
+	 */
+	protected function _display_request_vars()
+	{
+		if ( ! WP_DEBUG) {
+			return;
+		}
+		EEH_Debug_Tools::printr($_REQUEST, '$_REQUEST', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->step, '$this->checkout->step', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->edit_step, '$this->checkout->edit_step', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->action, '$this->checkout->action', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->reg_url_link, '$this->checkout->reg_url_link', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->revisit, '$this->checkout->revisit', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->generate_reg_form, '$this->checkout->generate_reg_form', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->process_form_submission, '$this->checkout->process_form_submission', __FILE__, __LINE__);
+	}
+
+
+
+	/**
+	 * _block_bots
+	 * checks that the incoming request has either of the following set:
+	 *  a uts (unix timestamp) which indicates that the request was redirected from the Ticket Selector
+	 *  a REG URL Link, which indicates that the request is a return visit to SPCO for a valid TXN
+	 * so if you're not coming from the Ticket Selector nor returning for a valid IP...
+	 * then where you coming from man?
+	 *
+	 * @return boolean
+	 */
+	private function _block_bots()
+	{
+		$invalid_checkout_access = EED_Invalid_Checkout_Access::getInvalidCheckoutAccess();
+		if ($invalid_checkout_access->checkoutAccessIsInvalid($this->checkout)) {
+			return true;
+		}
+		return false;
+	}
+
+
+
+	/**
+	 *    _get_first_step
+	 *  gets slug for first step in $_reg_steps_array
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return    string
+	 */
+	private function _get_first_step()
+	{
+		$first_step = reset(EED_Single_Page_Checkout::$_reg_steps_array);
+		return isset($first_step['slug']) ? $first_step['slug'] : 'attendee_information';
+	}
+
+
+
+	/**
+	 *    _load_and_instantiate_reg_steps
+	 *  instantiates each reg step based on the loaded reg_steps array
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return    bool
+	 */
+	private function _load_and_instantiate_reg_steps()
+	{
+		do_action('AHEE__Single_Page_Checkout___load_and_instantiate_reg_steps__start', $this->checkout);
+		// have reg_steps already been instantiated ?
+		if (
+			empty($this->checkout->reg_steps)
+			|| apply_filters('FHEE__Single_Page_Checkout__load_reg_steps__reload_reg_steps', false, $this->checkout)
+		) {
+			// if not, then loop through raw reg steps array
+			foreach (EED_Single_Page_Checkout::$_reg_steps_array as $order => $reg_step) {
+				if ( ! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
+					return false;
+				}
+			}
+			EE_Registry::instance()->CFG->registration->skip_reg_confirmation = true;
+			EE_Registry::instance()->CFG->registration->reg_confirmation_last = true;
+			// skip the registration_confirmation page ?
+			if (EE_Registry::instance()->CFG->registration->skip_reg_confirmation) {
+				// just remove it from the reg steps array
+				$this->checkout->remove_reg_step('registration_confirmation', false);
+			} else if (
+				isset($this->checkout->reg_steps['registration_confirmation'])
+				&& EE_Registry::instance()->CFG->registration->reg_confirmation_last
+			) {
+				// set the order to something big like 100
+				$this->checkout->set_reg_step_order('registration_confirmation', 100);
+			}
+			// filter the array for good luck
+			$this->checkout->reg_steps = apply_filters(
+				'FHEE__Single_Page_Checkout__load_reg_steps__reg_steps',
+				$this->checkout->reg_steps
+			);
+			// finally re-sort based on the reg step class order properties
+			$this->checkout->sort_reg_steps();
+		} else {
+			foreach ($this->checkout->reg_steps as $reg_step) {
+				// set all current step stati to FALSE
+				$reg_step->set_is_current_step(false);
+			}
+		}
+		if (empty($this->checkout->reg_steps)) {
+			EE_Error::add_error(
+				__('No Reg Steps were loaded..', 'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+			return false;
+		}
+		// make reg step details available to JS
+		$this->checkout->set_reg_step_JSON_info();
+		return true;
+	}
+
+
+
+	/**
+	 *     _load_and_instantiate_reg_step
+	 *
+	 * @access    private
+	 * @param array $reg_step
+	 * @param int   $order
+	 * @return bool
+	 */
+	private function _load_and_instantiate_reg_step($reg_step = array(), $order = 0)
+	{
+		// we need a file_path, class_name, and slug to add a reg step
+		if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
+			// if editing a specific step, but this is NOT that step... (and it's not the 'finalize_registration' step)
+			if (
+				$this->checkout->reg_url_link
+				&& $this->checkout->step !== $reg_step['slug']
+				&& $reg_step['slug'] !== 'finalize_registration'
+				// normally at this point we would NOT load the reg step, but this filter can change that
+				&& apply_filters(
+					'FHEE__Single_Page_Checkout___load_and_instantiate_reg_step__bypass_reg_step',
+					true,
+					$reg_step,
+					$this->checkout
+				)
+			) {
+				return true;
+			}
+			// instantiate step class using file path and class name
+			$reg_step_obj = EE_Registry::instance()->load_file(
+				$reg_step['file_path'],
+				$reg_step['class_name'],
+				'class',
+				$this->checkout,
+				false
+			);
+			// did we gets the goods ?
+			if ($reg_step_obj instanceof EE_SPCO_Reg_Step) {
+				// set reg step order based on config
+				$reg_step_obj->set_order($order);
+				// add instantiated reg step object to the master reg steps array
+				$this->checkout->add_reg_step($reg_step_obj);
+			} else {
+				EE_Error::add_error(
+					__('The current step could not be set.', 'event_espresso'),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+				return false;
+			}
+		} else {
+			if (WP_DEBUG) {
+				EE_Error::add_error(
+					sprintf(
+						__(
+							'A registration step could not be loaded. One or more of the following data points is invalid:%4$s%5$sFile Path: %1$s%6$s%5$sClass Name: %2$s%6$s%5$sSlug: %3$s%6$s%7$s',
+							'event_espresso'
+						),
+						isset($reg_step['file_path']) ? $reg_step['file_path'] : '',
+						isset($reg_step['class_name']) ? $reg_step['class_name'] : '',
+						isset($reg_step['slug']) ? $reg_step['slug'] : '',
+						'<ul>',
+						'<li>',
+						'</li>',
+						'</ul>'
+					),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+			}
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * _verify_transaction_and_get_registrations
+	 *
+	 * @access private
+	 * @return bool
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws EE_Error
+	 */
+	private function _verify_transaction_and_get_registrations()
+	{
+		// was there already a valid transaction in the checkout from the session ?
+		if ( ! $this->checkout->transaction instanceof EE_Transaction) {
+			// get transaction from db or session
+			$this->checkout->transaction = $this->checkout->reg_url_link && ! is_admin()
+				? $this->_get_transaction_and_cart_for_previous_visit()
+				: $this->_get_cart_for_current_session_and_setup_new_transaction();
+			if ( ! $this->checkout->transaction instanceof EE_Transaction) {
+				EE_Error::add_error(
+					__('Your Registration and Transaction information could not be retrieved from the db.',
+						'event_espresso'),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+				$this->checkout->transaction = EE_Transaction::new_instance();
+				// add some style and make it dance
+				$this->add_styles_and_scripts();
+				EED_Single_Page_Checkout::$_initialized = true;
+				return false;
+			}
+			// and the registrations for the transaction
+			$this->_get_registrations($this->checkout->transaction);
+		}
+		return true;
+	}
+
+
+
+	/**
+	 * _get_transaction_and_cart_for_previous_visit
+	 *
+	 * @access private
+	 * @return mixed EE_Transaction|NULL
+	 */
+	private function _get_transaction_and_cart_for_previous_visit()
+	{
+		/** @var $TXN_model EEM_Transaction */
+		$TXN_model = EE_Registry::instance()->load_model('Transaction');
+		// because the reg_url_link is present in the request,
+		// this is a return visit to SPCO, so we'll get the transaction data from the db
+		$transaction = $TXN_model->get_transaction_from_reg_url_link($this->checkout->reg_url_link);
+		// verify transaction
+		if ($transaction instanceof EE_Transaction) {
+			// and get the cart that was used for that transaction
+			$this->checkout->cart = $this->_get_cart_for_transaction($transaction);
+			return $transaction;
+		}
+		EE_Error::add_error(
+			__('Your Registration and Transaction information could not be retrieved from the db.', 'event_espresso'),
+			__FILE__, __FUNCTION__, __LINE__
+		);
+		return null;
+
+	}
+
+
+
+	/**
+	 * _get_cart_for_transaction
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return EE_Cart
+	 */
+	private function _get_cart_for_transaction($transaction)
+	{
+		return $this->checkout->get_cart_for_transaction($transaction);
+	}
+
+
+
+	/**
+	 * get_cart_for_transaction
+	 *
+	 * @access public
+	 * @param EE_Transaction $transaction
+	 * @return EE_Cart
+	 */
+	public function get_cart_for_transaction(EE_Transaction $transaction)
+	{
+		return $this->checkout->get_cart_for_transaction($transaction);
+	}
+
+
+
+	/**
+	 * _get_transaction_and_cart_for_current_session
+	 *    generates a new EE_Transaction object and adds it to the $_transaction property.
+	 *
+	 * @access private
+	 * @return EE_Transaction
+	 * @throws EE_Error
+	 */
+	private function _get_cart_for_current_session_and_setup_new_transaction()
+	{
+		//  if there's no transaction, then this is the FIRST visit to SPCO
+		// so load up the cart ( passing nothing for the TXN because it doesn't exist yet )
+		$this->checkout->cart = $this->_get_cart_for_transaction(null);
+		// and then create a new transaction
+		$transaction = $this->_initialize_transaction();
+		// verify transaction
+		if ($transaction instanceof EE_Transaction) {
+			// save it so that we have an ID for other objects to use
+			$transaction->save();
+			// and save TXN data to the cart
+			$this->checkout->cart->get_grand_total()->save_this_and_descendants_to_txn($transaction->ID());
+		} else {
+			EE_Error::add_error(
+				__('A Valid Transaction could not be initialized.', 'event_espresso'),
+				__FILE__, __FUNCTION__, __LINE__
+			);
+		}
+		return $transaction;
+	}
+
+
+
+	/**
+	 *    generates a new EE_Transaction object and adds it to the $_transaction property.
+	 *
+	 * @access private
+	 * @return mixed EE_Transaction|NULL
+	 */
+	private function _initialize_transaction()
+	{
+		try {
+			// ensure cart totals have been calculated
+			$this->checkout->cart->get_grand_total()->recalculate_total_including_taxes();
+			// grab the cart grand total
+			$cart_total = $this->checkout->cart->get_cart_grand_total();
+			// create new TXN
+			$transaction = EE_Transaction::new_instance(
+				array(
+					'TXN_reg_steps' => $this->checkout->initialize_txn_reg_steps_array(),
+					'TXN_total'     => $cart_total > 0 ? $cart_total : 0,
+					'TXN_paid'      => 0,
+					'STS_ID'        => EEM_Transaction::failed_status_code,
+				)
+			);
+			// save it so that we have an ID for other objects to use
+			$transaction->save();
+			// set cron job for following up on TXNs after their session has expired
+			EE_Cron_Tasks::schedule_expired_transaction_check(
+				EE_Registry::instance()->SSN->expiration() + 1,
+				$transaction->ID()
+			);
+			return $transaction;
+		} catch (Exception $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+		}
+		return null;
+	}
+
+
+	/**
+	 * _get_registrations
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws EE_Error
+	 */
+	private function _get_registrations(EE_Transaction $transaction)
+	{
+		// first step: grab the registrants  { : o
+		$registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
+		$this->checkout->total_ticket_count = count($registrations);
+		// verify registrations have been set
+		if (empty($registrations)) {
+			// if no cached registrations, then check the db
+			$registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
+			// still nothing ? well as long as this isn't a revisit
+			if (empty($registrations) && ! $this->checkout->revisit) {
+				// generate new registrations from scratch
+				$registrations = $this->_initialize_registrations($transaction);
+			}
+		}
+		// sort by their original registration order
+		usort($registrations, array('EED_Single_Page_Checkout', 'sort_registrations_by_REG_count'));
+		// then loop thru the array
+		foreach ($registrations as $registration) {
+			// verify each registration
+			if ($registration instanceof EE_Registration) {
+				// we display all attendee info for the primary registrant
+				if ($this->checkout->reg_url_link === $registration->reg_url_link()
+					&& $registration->is_primary_registrant()
+				) {
+					$this->checkout->primary_revisit = true;
+					break;
+				}
+				if ($this->checkout->revisit && $this->checkout->reg_url_link !== $registration->reg_url_link()) {
+					// but hide info if it doesn't belong to you
+					$transaction->clear_cache('Registration', $registration->ID());
+					$this->checkout->total_ticket_count--;
+				}
+				$this->checkout->set_reg_status_updated($registration->ID(), false);
+			}
+		}
+	}
+
+
+	/**
+	 *    adds related EE_Registration objects for each ticket in the cart to the current EE_Transaction object
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return    array
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws EE_Error
+	 */
+	private function _initialize_registrations(EE_Transaction $transaction)
+	{
+		$att_nmbr = 0;
+		$registrations = array();
+		if ($transaction instanceof EE_Transaction) {
+			/** @type EE_Registration_Processor $registration_processor */
+			$registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
+			$this->checkout->total_ticket_count = $this->checkout->cart->all_ticket_quantity_count();
+			// now let's add the cart items to the $transaction
+			foreach ($this->checkout->cart->get_tickets() as $line_item) {
+				//do the following for each ticket of this type they selected
+				for ($x = 1; $x <= $line_item->quantity(); $x++) {
+					$att_nmbr++;
+					/** @var EventEspresso\core\services\commands\registration\CreateRegistrationCommand $CreateRegistrationCommand */
+					$CreateRegistrationCommand = EE_Registry::instance()->create(
+						'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
+						array(
+							$transaction,
+							$line_item,
+							$att_nmbr,
+							$this->checkout->total_ticket_count,
+						)
+					);
+					// override capabilities for frontend registrations
+					if ( ! is_admin()) {
+						$CreateRegistrationCommand->setCapCheck(
+							new PublicCapabilities('', 'create_new_registration')
+						);
+					}
+					$registration = EE_Registry::instance()->BUS->execute($CreateRegistrationCommand);
+					if ( ! $registration instanceof EE_Registration) {
+						throw new InvalidEntityException($registration, 'EE_Registration');
+					}
+					$registrations[ $registration->ID() ] = $registration;
+				}
+			}
+			$registration_processor->fix_reg_final_price_rounding_issue($transaction);
+		}
+		return $registrations;
+	}
+
+
+
+	/**
+	 * sorts registrations by REG_count
+	 *
+	 * @access public
+	 * @param EE_Registration $reg_A
+	 * @param EE_Registration $reg_B
+	 * @return int
+	 */
+	public static function sort_registrations_by_REG_count(EE_Registration $reg_A, EE_Registration $reg_B)
+	{
+		// this shouldn't ever happen within the same TXN, but oh well
+		if ($reg_A->count() === $reg_B->count()) {
+			return 0;
+		}
+		return ($reg_A->count() > $reg_B->count()) ? 1 : -1;
+	}
+
+
+
+	/**
+	 *    _final_verifications
+	 * just makes sure that everything is set up correctly before proceeding
+	 *
+	 * @access    private
+	 * @return    bool
+	 * @throws EE_Error
+	 */
+	private function _final_verifications()
+	{
+		// filter checkout
+		$this->checkout = apply_filters(
+			'FHEE__EED_Single_Page_Checkout___final_verifications__checkout',
+			$this->checkout
+		);
+		//verify that current step is still set correctly
+		if ( ! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
+			EE_Error::add_error(
+				__('We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		// if returning to SPCO, then verify that primary registrant is set
+		if ( ! empty($this->checkout->reg_url_link)) {
+			$valid_registrant = $this->checkout->transaction->primary_registration();
+			if ( ! $valid_registrant instanceof EE_Registration) {
+				EE_Error::add_error(
+					__('We\'re sorry but there appears to be an error with the "reg_url_link" or the primary registrant for this transaction. Please refresh the page and try again or contact support.', 'event_espresso'),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+			$valid_registrant = null;
+			foreach (
+				$this->checkout->transaction->registrations($this->checkout->reg_cache_where_params) as $registration
+			) {
+				if (
+					$registration instanceof EE_Registration
+					&& $registration->reg_url_link() === $this->checkout->reg_url_link
+				) {
+					$valid_registrant = $registration;
+				}
+			}
+			if ( ! $valid_registrant instanceof EE_Registration) {
+				// hmmm... maybe we have the wrong session because the user is opening multiple tabs ?
+				if (EED_Single_Page_Checkout::$_checkout_verified) {
+					// clear the session, mark the checkout as unverified, and try again
+					EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
+					EED_Single_Page_Checkout::$_initialized = false;
+					EED_Single_Page_Checkout::$_checkout_verified = false;
+					$this->_initialize();
+					EE_Error::reset_notices();
+					return false;
+				}
+				EE_Error::add_error(
+					__(
+						'We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+		}
+		// now that things have been kinda sufficiently verified,
+		// let's add the checkout to the session so that it's available to other systems
+		EE_Registry::instance()->SSN->set_checkout($this->checkout);
+		return true;
+	}
+
+
+
+	/**
+	 *    _initialize_reg_steps
+	 * first makes sure that EE_Transaction_Processor::set_reg_step_initiated() is called as required
+	 * then loops thru all of the active reg steps and calls the initialize_reg_step() method
+	 *
+	 * @access    private
+	 * @param bool $reinitializing
+	 * @throws EE_Error
+	 */
+	private function _initialize_reg_steps($reinitializing = false)
+	{
+		$this->checkout->set_reg_step_initiated($this->checkout->current_step);
+		// loop thru all steps to call their individual "initialize" methods and set i18n strings for JS
+		foreach ($this->checkout->reg_steps as $reg_step) {
+			if ( ! $reg_step->initialize_reg_step()) {
+				// if not initialized then maybe this step is being removed...
+				if ( ! $reinitializing && $reg_step->is_current_step()) {
+					// if it was the current step, then we need to start over here
+					$this->_initialize_reg_steps(true);
+					return;
+				}
+				continue;
+			}
+			// add css and JS for current step
+			$reg_step->enqueue_styles_and_scripts();
+			// i18n
+			$reg_step->translate_js_strings();
+			if ($reg_step->is_current_step()) {
+				// the text that appears on the reg step form submit button
+				$reg_step->set_submit_button_text();
+			}
+		}
+		// dynamically creates hook point like: AHEE__Single_Page_Checkout___initialize_reg_step__attendee_information
+		do_action(
+			"AHEE__Single_Page_Checkout___initialize_reg_step__{$this->checkout->current_step->slug()}",
+			$this->checkout->current_step
+		);
+	}
+
+
+
+	/**
+	 * _check_form_submission
+	 *
+	 * @access private
+	 * @return boolean
+	 */
+	private function _check_form_submission()
+	{
+		//does this request require the reg form to be generated ?
+		if ($this->checkout->generate_reg_form) {
+			// ever heard that song by Blue Rodeo ?
+			try {
+				$this->checkout->current_step->reg_form = $this->checkout->current_step->generate_reg_form();
+				// if not displaying a form, then check for form submission
+				if (
+					$this->checkout->process_form_submission
+					&& $this->checkout->current_step->reg_form->was_submitted()
+				) {
+					// clear out any old data in case this step is being run again
+					$this->checkout->current_step->set_valid_data(array());
+					// capture submitted form data
+					$this->checkout->current_step->reg_form->receive_form_submission(
+						apply_filters(
+							'FHEE__Single_Page_Checkout___check_form_submission__request_params',
+							EE_Registry::instance()->REQ->params(),
+							$this->checkout
+						)
+					);
+					// validate submitted form data
+					if ( ! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
+						// thou shall not pass !!!
+						$this->checkout->continue_reg = false;
+						// any form validation errors?
+						if ($this->checkout->current_step->reg_form->submission_error_message() !== '') {
+							EE_Error::add_error(
+								$this->checkout->current_step->reg_form->submission_error_message(),
+								__FILE__, __FUNCTION__, __LINE__
+							);
+						}
+						// well not really... what will happen is
+						// we'll just get redirected back to redo the current step
+						$this->go_to_next_step();
+						return false;
+					}
+				}
+			} catch (EE_Error $e) {
+				$e->get_error();
+			}
+		}
+		return true;
+	}
+
+
+
+	/**
+	 * _process_action
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _process_form_action()
+	{
+		// what cha wanna do?
+		switch ($this->checkout->action) {
+			// AJAX next step reg form
+			case 'display_spco_reg_step' :
+				$this->checkout->redirect = false;
+				if (EE_Registry::instance()->REQ->ajax) {
+					$this->checkout->json_response->set_reg_step_html(
+						$this->checkout->current_step->display_reg_form()
+					);
+				}
+				break;
+			default :
+				// meh... do one of those other steps first
+				if (
+					! empty($this->checkout->action)
+					&& is_callable(array($this->checkout->current_step, $this->checkout->action))
+				) {
+					// dynamically creates hook point like:
+					//   AHEE__Single_Page_Checkout__before_attendee_information__process_reg_step
+					do_action(
+						"AHEE__Single_Page_Checkout__before_{$this->checkout->current_step->slug()}__{$this->checkout->action}",
+						$this->checkout->current_step
+					);
+					// call action on current step
+					if (call_user_func(array($this->checkout->current_step, $this->checkout->action))) {
+						// good registrant, you get to proceed
+						if (
+							$this->checkout->current_step->success_message() !== ''
+							&& apply_filters(
+								'FHEE__Single_Page_Checkout___process_form_action__display_success',
+								false
+							)
+						) {
+							EE_Error::add_success(
+								$this->checkout->current_step->success_message()
+								. '<br />' . $this->checkout->next_step->_instructions()
+							);
+						}
+						// pack it up, pack it in...
+						$this->_setup_redirect();
+					}
+					// dynamically creates hook point like:
+					//  AHEE__Single_Page_Checkout__after_payment_options__process_reg_step
+					do_action(
+						"AHEE__Single_Page_Checkout__after_{$this->checkout->current_step->slug()}__{$this->checkout->action}",
+						$this->checkout->current_step
+					);
+				} else {
+					EE_Error::add_error(
+						sprintf(
+							__(
+								'The requested form action "%s" does not exist for the current "%s" registration step.',
+								'event_espresso'
+							),
+							$this->checkout->action,
+							$this->checkout->current_step->name()
+						),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+				}
+			// end default
+		}
+		// store our progress so far
+		$this->checkout->stash_transaction_and_checkout();
+		// advance to the next step! If you pass GO, collect $200
+		$this->go_to_next_step();
+	}
+
+
+
+	/**
+	 *        add_styles_and_scripts
+	 *
+	 * @access        public
+	 * @return        void
+	 */
+	public function add_styles_and_scripts()
+	{
+		// i18n
+		$this->translate_js_strings();
+		if ($this->checkout->admin_request) {
+			add_action('admin_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
+		} else {
+			add_action('wp_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
+		}
+	}
+
+
+
+	/**
+	 *        translate_js_strings
+	 *
+	 * @access        public
+	 * @return        void
+	 */
+	public function translate_js_strings()
+	{
+		EE_Registry::$i18n_js_strings['revisit'] = $this->checkout->revisit;
+		EE_Registry::$i18n_js_strings['e_reg_url_link'] = $this->checkout->reg_url_link;
+		EE_Registry::$i18n_js_strings['server_error'] = __(
+			'An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['invalid_json_response'] = __(
+			'An invalid response was returned from the server while attempting to process your request. Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['validation_error'] = __(
+			'There appears to be a problem with the form validation configuration! Please check the admin settings or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['invalid_payment_method'] = __(
+			'There appears to be a problem with the payment method configuration! Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['reg_step_error'] = __(
+			'This registration step could not be completed. Please refresh the page and try again.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['invalid_coupon'] = __(
+			'We\'re sorry but that coupon code does not appear to be valid. If this is incorrect, please contact the site administrator.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['process_registration'] = sprintf(
+			__(
+				'Please wait while we process your registration.%sDo not refresh the page or navigate away while this is happening.%sThank you for your patience.',
+				'event_espresso'
+			),
+			'<br/>',
+			'<br/>'
+		);
+		EE_Registry::$i18n_js_strings['language'] = get_bloginfo('language');
+		EE_Registry::$i18n_js_strings['EESID'] = EE_Registry::instance()->SSN->id();
+		EE_Registry::$i18n_js_strings['currency'] = EE_Registry::instance()->CFG->currency;
+		EE_Registry::$i18n_js_strings['datepicker_yearRange'] = '-150:+20';
+		EE_Registry::$i18n_js_strings['timer_years'] = __('years', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_months'] = __('months', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_weeks'] = __('weeks', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_days'] = __('days', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_hours'] = __('hours', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_minutes'] = __('minutes', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_seconds'] = __('seconds', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_year'] = __('year', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_month'] = __('month', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_week'] = __('week', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_day'] = __('day', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_hour'] = __('hour', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_minute'] = __('minute', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_second'] = __('second', 'event_espresso');
+		EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice();
+		EE_Registry::$i18n_js_strings['ajax_submit'] = apply_filters(
+			'FHEE__Single_Page_Checkout__translate_js_strings__ajax_submit',
+			true
+		);
+		EE_Registry::$i18n_js_strings['session_extension'] = absint(
+			apply_filters('FHEE__EE_Session__extend_expiration__seconds_added', 10 * MINUTE_IN_SECONDS)
+		);
+		EE_Registry::$i18n_js_strings['session_expiration'] = gmdate(
+			'M d, Y H:i:s',
+			EE_Registry::instance()->SSN->expiration() + (get_option('gmt_offset') * HOUR_IN_SECONDS)
+		);
+	}
+
+
+
+	/**
+	 *    enqueue_styles_and_scripts
+	 *
+	 * @access        public
+	 * @return        void
+	 * @throws EE_Error
+	 */
+	public function enqueue_styles_and_scripts()
+	{
+		// load css
+		wp_register_style(
+			'single_page_checkout',
+			SPCO_CSS_URL . 'single_page_checkout.css',
+			array('espresso_default'),
+			EVENT_ESPRESSO_VERSION
+		);
+		wp_enqueue_style('single_page_checkout');
+		// load JS
+		wp_register_script(
+			'jquery_plugin',
+			EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js',
+			array('jquery'),
+			'1.0.1',
+			true
+		);
+		wp_register_script(
+			'jquery_countdown',
+			EE_THIRD_PARTY_URL . 'jquery	.countdown.min.js',
+			array('jquery_plugin'),
+			'2.0.2',
+			true
+		);
+		wp_register_script(
+			'single_page_checkout',
+			SPCO_JS_URL . 'single_page_checkout.js',
+			array('espresso_core', 'underscore', 'ee_form_section_validation', 'jquery_countdown'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		if ($this->checkout->registration_form instanceof EE_Form_Section_Proper) {
+			$this->checkout->registration_form->enqueue_js();
+		}
+		if ($this->checkout->current_step->reg_form instanceof EE_Form_Section_Proper) {
+			$this->checkout->current_step->reg_form->enqueue_js();
+		}
+		wp_enqueue_script('single_page_checkout');
+		/**
+		 * global action hook for enqueueing styles and scripts with
+		 * spco calls.
+		 */
+		do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts', $this);
+		/**
+		 * dynamic action hook for enqueueing styles and scripts with spco calls.
+		 * The hook will end up being something like:
+		 *      AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
+		 */
+		do_action(
+			'AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(),
+			$this
+		);
+	}
+
+
+
+	/**
+	 *    display the Registration Single Page Checkout Form
+	 *
+	 * @access    private
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	private function _display_spco_reg_form()
+	{
+		// if registering via the admin, just display the reg form for the current step
+		if ($this->checkout->admin_request) {
+			EE_Registry::instance()->REQ->add_output($this->checkout->current_step->display_reg_form());
+		} else {
+			// add powered by EE msg
+			add_action('AHEE__SPCO__reg_form_footer', array('EED_Single_Page_Checkout', 'display_registration_footer'));
+			$empty_cart = count(
+				$this->checkout->transaction->registrations($this->checkout->reg_cache_where_params)
+			) < 1;
+			EE_Registry::$i18n_js_strings['empty_cart'] = $empty_cart;
+			$cookies_not_set_msg = '';
+			if ($empty_cart) {
+				$cookies_not_set_msg = apply_filters(
+					'FHEE__Single_Page_Checkout__display_spco_reg_form__cookies_not_set_msg',
+					sprintf(
+						__(
+							'%1$s%3$sIt appears your browser is not currently set to accept Cookies%4$s%5$sIn order to register for events, you need to enable cookies.%7$sIf you require assistance, then click the following link to learn how to %8$senable cookies%9$s%6$s%2$s',
+							'event_espresso'
+						),
+						'<div class="ee-attention hidden" id="ee-cookies-not-set-msg">',
+						'</div>',
+						'<h6 class="important-notice">',
+						'</h6>',
+						'<p>',
+						'</p>',
+						'<br />',
+						'<a href="http://www.whatarecookies.com/enable.asp" target="_blank">',
+						'</a>'
+					)
+				);
+			}
+			$this->checkout->registration_form = new EE_Form_Section_Proper(
+				array(
+					'name'            => 'single-page-checkout',
+					'html_id'         => 'ee-single-page-checkout-dv',
+					'layout_strategy' =>
+						new EE_Template_Layout(
+							array(
+								'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
+								'template_args'        => array(
+									'empty_cart'              => $empty_cart,
+									'revisit'                 => $this->checkout->revisit,
+									'reg_steps'               => $this->checkout->reg_steps,
+									'next_step'               => $this->checkout->next_step instanceof EE_SPCO_Reg_Step
+										? $this->checkout->next_step->slug()
+										: '',
+									'empty_msg'               => apply_filters(
+										'FHEE__Single_Page_Checkout__display_spco_reg_form__empty_msg',
+										sprintf(
+											__(
+												'You need to %1$sReturn to Events list%2$sselect at least one event%3$s before you can proceed with the registration process.',
+												'event_espresso'
+											),
+											'<a href="'
+											. get_post_type_archive_link('espresso_events')
+											. '" title="',
+											'">',
+											'</a>'
+										)
+									),
+									'cookies_not_set_msg'     => $cookies_not_set_msg,
+									'registration_time_limit' => $this->checkout->get_registration_time_limit(),
+									'session_expiration'      => gmdate(
+										'M d, Y H:i:s',
+										EE_Registry::instance()->SSN->expiration()
+										+ (get_option('gmt_offset') * HOUR_IN_SECONDS)
+									),
+								),
+							)
+						),
+				)
+			);
+			// load template and add to output sent that gets filtered into the_content()
+			EE_Registry::instance()->REQ->add_output($this->checkout->registration_form->get_html());
+		}
+	}
+
+
+
+	/**
+	 *    add_extra_finalize_registration_inputs
+	 *
+	 * @access    public
+	 * @param $next_step
+	 * @internal  param string $label
+	 * @return void
+	 */
+	public function add_extra_finalize_registration_inputs($next_step)
+	{
+		if ($next_step === 'finalize_registration') {
+			echo '<div id="spco-extra-finalize_registration-inputs-dv"></div>';
+		}
+	}
+
+
+
+	/**
+	 *    display_registration_footer
+	 *
+	 * @access    public
+	 * @return    string
+	 */
+	public static function display_registration_footer()
+	{
+		if (
+		apply_filters(
+			'FHEE__EE_Front__Controller__show_reg_footer',
+			EE_Registry::instance()->CFG->admin->show_reg_footer
+		)
+		) {
+			add_filter(
+				'FHEE__EEH_Template__powered_by_event_espresso__url',
+				function ($url) {
+					return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
+				}
+			);
+			echo apply_filters(
+				'FHEE__EE_Front_Controller__display_registration_footer',
+				\EEH_Template::powered_by_event_espresso(
+					'',
+					'espresso-registration-footer-dv',
+					array('utm_content' => 'registration_checkout')
+				)
+			);
+		}
+		return '';
+	}
+
+
+
+	/**
+	 *    unlock_transaction
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public function unlock_transaction()
+	{
+		if ($this->checkout->transaction instanceof EE_Transaction) {
+			$this->checkout->transaction->unlock();
+		}
+	}
+
+
+
+	/**
+	 *        _setup_redirect
+	 *
+	 * @access    private
+	 * @return void
+	 */
+	private function _setup_redirect()
+	{
+		if ($this->checkout->continue_reg && $this->checkout->next_step instanceof EE_SPCO_Reg_Step) {
+			$this->checkout->redirect = true;
+			if (empty($this->checkout->redirect_url)) {
+				$this->checkout->redirect_url = $this->checkout->next_step->reg_step_url();
+			}
+			$this->checkout->redirect_url = apply_filters(
+				'FHEE__EED_Single_Page_Checkout___setup_redirect__checkout_redirect_url',
+				$this->checkout->redirect_url,
+				$this->checkout
+			);
+		}
+	}
+
+
+
+	/**
+	 *   handle ajax message responses and redirects
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function go_to_next_step()
+	{
+		if (EE_Registry::instance()->REQ->ajax) {
+			// capture contents of output buffer we started earlier in the request, and insert into JSON response
+			$this->checkout->json_response->set_unexpected_errors(ob_get_clean());
+		}
+		$this->unlock_transaction();
+		// just return for these conditions
+		if (
+			$this->checkout->admin_request
+			|| $this->checkout->action === 'redirect_form'
+			|| $this->checkout->action === 'update_checkout'
+		) {
+			return;
+		}
+		// AJAX response
+		$this->_handle_json_response();
+		// redirect to next step or the Thank You page
+		$this->_handle_html_redirects();
+		// hmmm... must be something wrong, so let's just display the form again !
+		$this->_display_spco_reg_form();
+	}
+
+
+
+	/**
+	 *   _handle_json_response
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _handle_json_response()
+	{
+		// if this is an ajax request
+		if (EE_Registry::instance()->REQ->ajax) {
+			// DEBUG LOG
+			//$this->checkout->log(
+			//	__CLASS__, __FUNCTION__, __LINE__,
+			//	array(
+			//		'json_response_redirect_url' => $this->checkout->json_response->redirect_url(),
+			//		'redirect'                   => $this->checkout->redirect,
+			//		'continue_reg'               => $this->checkout->continue_reg,
+			//	)
+			//);
+			$this->checkout->json_response->set_registration_time_limit(
+				$this->checkout->get_registration_time_limit()
+			);
+			$this->checkout->json_response->set_payment_amount($this->checkout->amount_owing);
+			// just send the ajax (
+			$json_response = apply_filters(
+				'FHEE__EE_Single_Page_Checkout__JSON_response',
+				$this->checkout->json_response
+			);
+			echo $json_response;
+			exit();
+		}
+	}
+
+
+
+	/**
+	 *   _handle_redirects
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _handle_html_redirects()
+	{
+		// going somewhere ?
+		if ($this->checkout->redirect && ! empty($this->checkout->redirect_url)) {
+			// store notices in a transient
+			EE_Error::get_notices(false, true, true);
+			// DEBUG LOG
+			//$this->checkout->log(
+			//	__CLASS__, __FUNCTION__, __LINE__,
+			//	array(
+			//		'headers_sent' => headers_sent(),
+			//		'redirect_url'     => $this->checkout->redirect_url,
+			//		'headers_list'    => headers_list(),
+			//	)
+			//);
+			wp_safe_redirect($this->checkout->redirect_url);
+			exit();
+		}
+	}
+
+
+
+	/**
+	 *   set_checkout_anchor
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function set_checkout_anchor()
+	{
+		echo '<a id="checkout" style="float: left; margin-left: -999em;"></a>';
+	}
+
+	/**
+	 *    getRegistrationExpirationNotice
+	 *
+	 * @since 4.9.59.p
+	 * @access    public
+	 * @return    string
+	 */
+	public static function getRegistrationExpirationNotice()
+	{
+		return sprintf(
+			__('%1$sWe\'re sorry, but your registration time has expired.%2$s%3$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please accept our apologies for any inconvenience this may have caused.%8$s',
+				'event_espresso'),
+			'<h4 class="important-notice">',
+			'</h4>',
+			'<br />',
+			'<p>',
+			'<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+			'">',
+			'</a>',
+			'</p>'
+		);
+	}
 
 }
 // End of file EED_Single_Page_Checkout.module.php