eventespresso / event-espresso-core

core/domain/services/capabilities/PublicCapabilities.php

Indentation +7 added lines, -7 removed lines

@@ -20,13 +20,13 @@
 {
 
 
-    /**
-     * @return string
-     */
-    public function capability()
-    {
-        return '';
-    }
+	/**
+	 * @return string
+	 */
+	public function capability()
+	{
+		return '';
+	}
 
 
 }

modules/gateways/Invoice/lib/invoice_functions.php

Spacing +4 added lines, -4 removed lines

@@ -8,9 +8,9 @@ 
  * @param $class_file
  * @return array
  */
-function espresso_invoice_template_files( $class_file) {
+function espresso_invoice_template_files($class_file) {
 	// read our template dir and build an array of files
-	$dhandle = opendir(dirname($class_file) . '/lib/templates/css/'); //If the template files have been moved to the uploads folder
+	$dhandle = opendir(dirname($class_file).'/lib/templates/css/'); //If the template files have been moved to the uploads folder
 	//} else return FALSE;
 
 	$files = array();
@@ -50,8 +50,8 @@ 
  * @param string $selected
  * @return string
  */
-function espresso_invoice_is_selected( $input_item, $selected='') {
-	if ( $input_item === $selected ) {
+function espresso_invoice_is_selected($input_item, $selected = '') {
+	if ($input_item === $selected) {
 		return 'selected="selected"';
 	} else {
 		return '';

core/libraries/batch/JobHandlers/RegistrationsReport.php

Doc Comments +1 added lines, -1 removed lines

@@ -418,7 +418,7 @@
      * In this case, we delete the temporary file
      *
      * @param JobParameters $job_parameters
-     * @return boolean
+     * @return JobStepResponse
      */
     public function cleanup_job(JobParameters $job_parameters)
     {

Spacing +26 added lines, -26 removed lines

@@ -45,7 +45,7 @@ 
     public function create_job(JobParameters $job_parameters)
     {
         $event_id = intval($job_parameters->request_datum('EVT_ID', '0'));
-        if (! \EE_Capabilities::instance()->current_user_can('ee_read_registrations', 'generating_report')) {
+        if ( ! \EE_Capabilities::instance()->current_user_can('ee_read_registrations', 'generating_report')) {
             throw new BatchRequestException(__('You do not have permission to view registrations', 'event_espresso'));
         }
         $filepath = $this->create_file_from_job_with_name(
@@ -82,7 +82,7 @@ 
                 $query_params['force_join'][] = 'Event';
             }
         }
-        if (! isset($query_params['force_join'])) {
+        if ( ! isset($query_params['force_join'])) {
             $query_params['force_join'] = array('Event', 'Transaction', 'Ticket', 'Attendee');
         }
         $job_parameters->add_extra_data('query_params', $query_params);
@@ -172,10 +172,10 @@ 
         $question_where_params = array();
         foreach ($reg_where_params as $key => $val) {
             if (\EEM_Registration::instance()->is_logic_query_param_key($key)) {
-                $question_where_params[ $key ] = $this->_change_registration_where_params_to_question_where_params($val);
+                $question_where_params[$key] = $this->_change_registration_where_params_to_question_where_params($val);
             } else {
                 // it's a normal where condition
-                $question_where_params[ 'Question_Group.Event.Registration.' . $key ] = $val;
+                $question_where_params['Question_Group.Event.Registration.'.$key] = $val;
             }
         }
         return $question_where_params;
@@ -268,9 +268,9 @@ 
         foreach ($registration_rows as $reg_row) {
             if (is_array($reg_row)) {
                 $reg_csv_array = array();
-                if (! $event_id) {
+                if ( ! $event_id) {
                     // get the event's name and Id
-                    $reg_csv_array[ (string) __('Event', 'event_espresso') ] = sprintf(
+                    $reg_csv_array[(string) __('Event', 'event_espresso')] = sprintf(
                         /* translators: 1: event name, 2: event ID */
                         __('%1$s (%2$s)', 'event_espresso'),
                         EEH_Export::prepare_value_from_db_for_display(
@@ -318,13 +318,13 @@ 
                         $value = EEH_Export::prepare_value_from_db_for_display(
                             $reg_model,
                             $field_name,
-                            $reg_row[ $field->get_qualified_column() ]
+                            $reg_row[$field->get_qualified_column()]
                         );
                     }
-                    $reg_csv_array[ EEH_Export::get_column_name_for_field($field) ] = $value;
+                    $reg_csv_array[EEH_Export::get_column_name_for_field($field)] = $value;
                     if ($field_name == 'REG_final_price') {
                         // add a column named Currency after the final price
-                        $reg_csv_array[ (string) __("Currency", "event_espresso") ] = \EE_Config::instance()->currency->code;
+                        $reg_csv_array[(string) __("Currency", "event_espresso")] = \EE_Config::instance()->currency->code;
                     }
                 }
                 // get pretty status
@@ -336,17 +336,17 @@ 
                     false,
                     'sentence'
                 );
-                $reg_csv_array[ (string) __("Registration Status", 'event_espresso') ] = $stati[ $reg_row['Registration.STS_ID'] ];
+                $reg_csv_array[(string) __("Registration Status", 'event_espresso')] = $stati[$reg_row['Registration.STS_ID']];
                 // get pretty transaction status
-                $reg_csv_array[ (string) __("Transaction Status", 'event_espresso') ] = $stati[ $reg_row['TransactionTable.STS_ID'] ];
-                $reg_csv_array[ (string) __('Transaction Amount Due', 'event_espresso') ] = $is_primary_reg
+                $reg_csv_array[(string) __("Transaction Status", 'event_espresso')] = $stati[$reg_row['TransactionTable.STS_ID']];
+                $reg_csv_array[(string) __('Transaction Amount Due', 'event_espresso')] = $is_primary_reg
                     ? EEH_Export::prepare_value_from_db_for_display(
                         EEM_Transaction::instance(),
                         'TXN_total',
                         $reg_row['TransactionTable.TXN_total'],
                         'localized_float'
                     ) : '0.00';
-                $reg_csv_array[ (string) __('Amount Paid', 'event_espresso') ] = $is_primary_reg
+                $reg_csv_array[(string) __('Amount Paid', 'event_espresso')] = $is_primary_reg
                     ? EEH_Export::prepare_value_from_db_for_display(
                         EEM_Transaction::instance(),
                         'TXN_paid',
@@ -377,14 +377,14 @@ 
                             ? $payment_method_and_gateway_txn_id['payment_time'] : '';
                     }
                 }
-                $reg_csv_array[ (string) __('Payment Date(s)', 'event_espresso') ] = implode(',', $payment_times);
-                $reg_csv_array[ (string) __('Payment Method(s)', 'event_espresso') ] = implode(",", $payment_methods);
-                $reg_csv_array[ (string) __('Gateway Transaction ID(s)', 'event_espresso') ] = implode(
+                $reg_csv_array[(string) __('Payment Date(s)', 'event_espresso')] = implode(',', $payment_times);
+                $reg_csv_array[(string) __('Payment Method(s)', 'event_espresso')] = implode(",", $payment_methods);
+                $reg_csv_array[(string) __('Gateway Transaction ID(s)', 'event_espresso')] = implode(
                     ',',
                     $gateway_txn_ids_etc
                 );
                 // get whether or not the user has checked in
-                $reg_csv_array[ (string) __("Check-Ins", "event_espresso") ] = $reg_model->count_related(
+                $reg_csv_array[(string) __("Check-Ins", "event_espresso")] = $reg_model->count_related(
                     $reg_row['Registration.REG_ID'],
                     'Checkin'
                 );
@@ -414,8 +414,8 @@ 
                     $ticket_name = __('Unknown', 'event_espresso');
                     $datetimes_strings = array(__('Unknown', 'event_espresso'));
                 }
-                $reg_csv_array[ (string) $ticket_model->field_settings_for('TKT_name')->get_nicename() ] = $ticket_name;
-                $reg_csv_array[ (string) __("Datetimes of Ticket", "event_espresso") ] = implode(", ", $datetimes_strings);
+                $reg_csv_array[(string) $ticket_model->field_settings_for('TKT_name')->get_nicename()] = $ticket_name;
+                $reg_csv_array[(string) __("Datetimes of Ticket", "event_espresso")] = implode(", ", $datetimes_strings);
                 // get datetime(s) of registration
                 // add attendee columns
                 foreach ($att_fields_to_include as $att_field_name) {
@@ -435,18 +435,18 @@ 
                             $value = EEH_Export::prepare_value_from_db_for_display(
                                 EEM_Attendee::instance(),
                                 $att_field_name,
-                                $reg_row[ $field_obj->get_qualified_column() ]
+                                $reg_row[$field_obj->get_qualified_column()]
                             );
                         }
                     } else {
                         $value = '';
                     }
-                    $reg_csv_array[ EEH_Export::get_column_name_for_field($field_obj) ] = $value;
+                    $reg_csv_array[EEH_Export::get_column_name_for_field($field_obj)] = $value;
                 }
                 // make sure each registration has the same questions in the same order
                 foreach ($question_labels as $question_label) {
-                    if (! isset($reg_csv_array[ $question_label ])) {
-                        $reg_csv_array[ $question_label ] = null;
+                    if ( ! isset($reg_csv_array[$question_label])) {
+                        $reg_csv_array[$question_label] = null;
                     }
                 }
                 $answers = EEM_Answer::instance()->get_all_wpdb_results(array(
@@ -467,12 +467,12 @@ 
                     if (isset($answer_row['Question.QST_type'])
                         && $answer_row['Question.QST_type'] == EEM_Question::QST_type_state
                     ) {
-                        $reg_csv_array[ $question_label ] = EEM_State::instance()->get_state_name_by_ID(
+                        $reg_csv_array[$question_label] = EEM_State::instance()->get_state_name_by_ID(
                             $answer_row['Answer.ANS_value']
                         );
                     } else {
                         // this isn't for html, so don't show html entities
-                        $reg_csv_array[ $question_label ] = html_entity_decode(
+                        $reg_csv_array[$question_label] = html_entity_decode(
                             EEH_Export::prepare_value_from_db_for_display(
                                 EEM_Answer::instance(),
                                 'ANS_value',
@@ -507,7 +507,7 @@ 
                 $model = EE_Registry::instance()->load_model($model_name);
                 foreach ($field_list as $field_name) {
                     $field = $model->field_settings_for($field_name);
-                    $reg_csv_array[ EEH_Export::get_column_name_for_field($field) ] = null;
+                    $reg_csv_array[EEH_Export::get_column_name_for_field($field)] = null;
                 }
             }
             $registrations_csv_ready_array[] = $reg_csv_array;

Indentation +510 added lines, -510 removed lines

@@ -31,530 +31,530 @@
  */
 class RegistrationsReport extends JobHandlerFile
 {
-    // phpcs:disable PSR1.Methods.CamelCapsMethodName.NotCamelCaps
-    // phpcs:disable PSR2.Methods.MethodDeclaration.Underscore
-    /**
-     * Performs any necessary setup for starting the job. This is also a good
-     * place to setup the $job_arguments which will be used for subsequent HTTP requests
-     * when continue_job will be called
-     *
-     * @param JobParameters $job_parameters
-     * @throws BatchRequestException
-     * @return JobStepResponse
-     */
-    public function create_job(JobParameters $job_parameters)
-    {
-        $event_id = intval($job_parameters->request_datum('EVT_ID', '0'));
-        if (! \EE_Capabilities::instance()->current_user_can('ee_read_registrations', 'generating_report')) {
-            throw new BatchRequestException(__('You do not have permission to view registrations', 'event_espresso'));
-        }
-        $filepath = $this->create_file_from_job_with_name(
-            $job_parameters->job_id(),
-            $this->get_filename($event_id)
-        );
-        $job_parameters->add_extra_data('filepath', $filepath);
-        if ($job_parameters->request_datum('use_filters', false)) {
-            $query_params = maybe_unserialize(stripslashes($job_parameters->request_datum('filters', array())));
-        } else {
-            $query_params = apply_filters('FHEE__EE_Export__report_registration_for_event', array(
-                array(
-                    'OR'                 => array(
-                        // don't include registrations from failed or abandoned transactions...
-                        'Transaction.STS_ID' => array(
-                            'NOT IN',
-                            array(
-                                EEM_Transaction::failed_status_code,
-                                EEM_Transaction::abandoned_status_code,
-                            ),
-                        ),
-                        // unless the registration is approved, in which case include it regardless of transaction status
-                        'STS_ID'             => \EEM_Registration::status_id_approved,
-                    ),
-                    'Ticket.TKT_deleted' => array('IN', array(true, false)),
-                ),
-                'order_by'   => array('Transaction.TXN_ID' => 'asc', 'REG_count' => 'asc'),
-                'force_join' => array('Transaction', 'Ticket', 'Attendee'),
-                'caps'       => \EEM_Base::caps_read_admin,
-            ), $event_id);
-            if ($event_id) {
-                $query_params[0]['EVT_ID'] = $event_id;
-            } else {
-                $query_params['force_join'][] = 'Event';
-            }
-        }
-        if (! isset($query_params['force_join'])) {
-            $query_params['force_join'] = array('Event', 'Transaction', 'Ticket', 'Attendee');
-        }
-        $job_parameters->add_extra_data('query_params', $query_params);
-        $question_labels = $this->_get_question_labels($query_params);
-        $job_parameters->add_extra_data('question_labels', $question_labels);
-        $job_parameters->set_job_size(
-            \EEM_Registration::instance()->count(
-                array_diff_key(
-                    $query_params,
-                    array_flip(
-                        array('limit')
-                    )
-                )
-            )
-        );
-        // we should also set the header columns
-        $csv_data_for_row = $this->get_csv_data_for(
-            $event_id,
-            0,
-            1,
-            $job_parameters->extra_datum('question_labels'),
-            $job_parameters->extra_datum('query_params')
-        );
-        EEH_Export::write_data_array_to_csv($filepath, $csv_data_for_row, true);
-        // if we actually processed a row there, record it
-        if ($job_parameters->job_size()) {
-            $job_parameters->mark_processed(1);
-        }
-        return new JobStepResponse(
-            $job_parameters,
-            __('Registrations report started successfully...', 'event_espresso')
-        );
-    }
+	// phpcs:disable PSR1.Methods.CamelCapsMethodName.NotCamelCaps
+	// phpcs:disable PSR2.Methods.MethodDeclaration.Underscore
+	/**
+	 * Performs any necessary setup for starting the job. This is also a good
+	 * place to setup the $job_arguments which will be used for subsequent HTTP requests
+	 * when continue_job will be called
+	 *
+	 * @param JobParameters $job_parameters
+	 * @throws BatchRequestException
+	 * @return JobStepResponse
+	 */
+	public function create_job(JobParameters $job_parameters)
+	{
+		$event_id = intval($job_parameters->request_datum('EVT_ID', '0'));
+		if (! \EE_Capabilities::instance()->current_user_can('ee_read_registrations', 'generating_report')) {
+			throw new BatchRequestException(__('You do not have permission to view registrations', 'event_espresso'));
+		}
+		$filepath = $this->create_file_from_job_with_name(
+			$job_parameters->job_id(),
+			$this->get_filename($event_id)
+		);
+		$job_parameters->add_extra_data('filepath', $filepath);
+		if ($job_parameters->request_datum('use_filters', false)) {
+			$query_params = maybe_unserialize(stripslashes($job_parameters->request_datum('filters', array())));
+		} else {
+			$query_params = apply_filters('FHEE__EE_Export__report_registration_for_event', array(
+				array(
+					'OR'                 => array(
+						// don't include registrations from failed or abandoned transactions...
+						'Transaction.STS_ID' => array(
+							'NOT IN',
+							array(
+								EEM_Transaction::failed_status_code,
+								EEM_Transaction::abandoned_status_code,
+							),
+						),
+						// unless the registration is approved, in which case include it regardless of transaction status
+						'STS_ID'             => \EEM_Registration::status_id_approved,
+					),
+					'Ticket.TKT_deleted' => array('IN', array(true, false)),
+				),
+				'order_by'   => array('Transaction.TXN_ID' => 'asc', 'REG_count' => 'asc'),
+				'force_join' => array('Transaction', 'Ticket', 'Attendee'),
+				'caps'       => \EEM_Base::caps_read_admin,
+			), $event_id);
+			if ($event_id) {
+				$query_params[0]['EVT_ID'] = $event_id;
+			} else {
+				$query_params['force_join'][] = 'Event';
+			}
+		}
+		if (! isset($query_params['force_join'])) {
+			$query_params['force_join'] = array('Event', 'Transaction', 'Ticket', 'Attendee');
+		}
+		$job_parameters->add_extra_data('query_params', $query_params);
+		$question_labels = $this->_get_question_labels($query_params);
+		$job_parameters->add_extra_data('question_labels', $question_labels);
+		$job_parameters->set_job_size(
+			\EEM_Registration::instance()->count(
+				array_diff_key(
+					$query_params,
+					array_flip(
+						array('limit')
+					)
+				)
+			)
+		);
+		// we should also set the header columns
+		$csv_data_for_row = $this->get_csv_data_for(
+			$event_id,
+			0,
+			1,
+			$job_parameters->extra_datum('question_labels'),
+			$job_parameters->extra_datum('query_params')
+		);
+		EEH_Export::write_data_array_to_csv($filepath, $csv_data_for_row, true);
+		// if we actually processed a row there, record it
+		if ($job_parameters->job_size()) {
+			$job_parameters->mark_processed(1);
+		}
+		return new JobStepResponse(
+			$job_parameters,
+			__('Registrations report started successfully...', 'event_espresso')
+		);
+	}
 
 
-    /**
-     * Gets the filename
-     *
-     * @return string
-     */
-    protected function get_filename()
-    {
-        return sprintf("event-espresso-registrations-%s.csv", str_replace(':', '-', current_time('mysql')));
-    }
+	/**
+	 * Gets the filename
+	 *
+	 * @return string
+	 */
+	protected function get_filename()
+	{
+		return sprintf("event-espresso-registrations-%s.csv", str_replace(':', '-', current_time('mysql')));
+	}
 
 
-    /**
-     * Gets the questions which are to be used for this report, so they
-     * can be remembered for later
-     *
-     * @param array $registration_query_params
-     * @return array question admin labels to be used for this report
-     */
-    protected function _get_question_labels($registration_query_params)
-    {
-        $where = isset($registration_query_params[0]) ? $registration_query_params[0] : null;
-        $question_query_params = array();
-        if ($where !== null) {
-            $question_query_params = array(
-                $this->_change_registration_where_params_to_question_where_params($registration_query_params[0]),
-            );
-        }
-        // Make sure it's not a system question
-        $question_query_params[0]['OR*not-system-questions'] = [
-            'QST_system' => '',
-            'QST_system*null' => ['IS_NULL']
-        ];
-        if (apply_filters(
-            'FHEE__EventEspressoBatchRequest__JobHandlers__RegistrationsReport___get_question_labels__only_include_answered_questions',
-            false,
-            $registration_query_params
-        )) {
-            $question_query_params[0]['Answer.ANS_ID'] = array('IS_NOT_NULL');
-        }
-        $question_query_params['group_by'] = array('QST_ID');
-        return array_unique(EEM_Question::instance()->get_col($question_query_params, 'QST_admin_label'));
-    }
+	/**
+	 * Gets the questions which are to be used for this report, so they
+	 * can be remembered for later
+	 *
+	 * @param array $registration_query_params
+	 * @return array question admin labels to be used for this report
+	 */
+	protected function _get_question_labels($registration_query_params)
+	{
+		$where = isset($registration_query_params[0]) ? $registration_query_params[0] : null;
+		$question_query_params = array();
+		if ($where !== null) {
+			$question_query_params = array(
+				$this->_change_registration_where_params_to_question_where_params($registration_query_params[0]),
+			);
+		}
+		// Make sure it's not a system question
+		$question_query_params[0]['OR*not-system-questions'] = [
+			'QST_system' => '',
+			'QST_system*null' => ['IS_NULL']
+		];
+		if (apply_filters(
+			'FHEE__EventEspressoBatchRequest__JobHandlers__RegistrationsReport___get_question_labels__only_include_answered_questions',
+			false,
+			$registration_query_params
+		)) {
+			$question_query_params[0]['Answer.ANS_ID'] = array('IS_NOT_NULL');
+		}
+		$question_query_params['group_by'] = array('QST_ID');
+		return array_unique(EEM_Question::instance()->get_col($question_query_params, 'QST_admin_label'));
+	}
 
 
-    /**
-     * Takes where params meant for registrations and changes them to work for questions
-     *
-     * @param array $reg_where_params
-     * @return array
-     */
-    protected function _change_registration_where_params_to_question_where_params($reg_where_params)
-    {
-        $question_where_params = array();
-        foreach ($reg_where_params as $key => $val) {
-            if (\EEM_Registration::instance()->is_logic_query_param_key($key)) {
-                $question_where_params[ $key ] = $this->_change_registration_where_params_to_question_where_params($val);
-            } else {
-                // it's a normal where condition
-                $question_where_params[ 'Question_Group.Event.Registration.' . $key ] = $val;
-            }
-        }
-        return $question_where_params;
-    }
+	/**
+	 * Takes where params meant for registrations and changes them to work for questions
+	 *
+	 * @param array $reg_where_params
+	 * @return array
+	 */
+	protected function _change_registration_where_params_to_question_where_params($reg_where_params)
+	{
+		$question_where_params = array();
+		foreach ($reg_where_params as $key => $val) {
+			if (\EEM_Registration::instance()->is_logic_query_param_key($key)) {
+				$question_where_params[ $key ] = $this->_change_registration_where_params_to_question_where_params($val);
+			} else {
+				// it's a normal where condition
+				$question_where_params[ 'Question_Group.Event.Registration.' . $key ] = $val;
+			}
+		}
+		return $question_where_params;
+	}
 
 
-    /**
-     * Performs another step of the job
-     *
-     * @param JobParameters $job_parameters
-     * @param int           $batch_size
-     * @return JobStepResponse
-     * @throws \EE_Error
-     */
-    public function continue_job(JobParameters $job_parameters, $batch_size = 50)
-    {
-        if ($job_parameters->units_processed() < $job_parameters->job_size()) {
-            $csv_data = $this->get_csv_data_for(
-                $job_parameters->request_datum('EVT_ID', '0'),
-                $job_parameters->units_processed(),
-                $batch_size,
-                $job_parameters->extra_datum('question_labels'),
-                $job_parameters->extra_datum('query_params')
-            );
-            EEH_Export::write_data_array_to_csv($job_parameters->extra_datum('filepath'), $csv_data, false);
-            $units_processed = count($csv_data);
-        } else {
-            $csv_data = array();
-            $units_processed = 0;
-        }
-        $job_parameters->mark_processed($units_processed);
-        $extra_response_data = array(
-            'file_url' => '',
-        );
-        if ($units_processed < $batch_size) {
-            $job_parameters->set_status(JobParameters::status_complete);
-            $extra_response_data['file_url'] = $this->get_url_to_file($job_parameters->extra_datum('filepath'));
-        }
+	/**
+	 * Performs another step of the job
+	 *
+	 * @param JobParameters $job_parameters
+	 * @param int           $batch_size
+	 * @return JobStepResponse
+	 * @throws \EE_Error
+	 */
+	public function continue_job(JobParameters $job_parameters, $batch_size = 50)
+	{
+		if ($job_parameters->units_processed() < $job_parameters->job_size()) {
+			$csv_data = $this->get_csv_data_for(
+				$job_parameters->request_datum('EVT_ID', '0'),
+				$job_parameters->units_processed(),
+				$batch_size,
+				$job_parameters->extra_datum('question_labels'),
+				$job_parameters->extra_datum('query_params')
+			);
+			EEH_Export::write_data_array_to_csv($job_parameters->extra_datum('filepath'), $csv_data, false);
+			$units_processed = count($csv_data);
+		} else {
+			$csv_data = array();
+			$units_processed = 0;
+		}
+		$job_parameters->mark_processed($units_processed);
+		$extra_response_data = array(
+			'file_url' => '',
+		);
+		if ($units_processed < $batch_size) {
+			$job_parameters->set_status(JobParameters::status_complete);
+			$extra_response_data['file_url'] = $this->get_url_to_file($job_parameters->extra_datum('filepath'));
+		}
 
-        return new JobStepResponse(
-            $job_parameters,
-            sprintf(__('Wrote %1$s rows to report CSV file...', 'event_espresso'), count((array) $csv_data)),
-            $extra_response_data
-        );
-    }
+		return new JobStepResponse(
+			$job_parameters,
+			sprintf(__('Wrote %1$s rows to report CSV file...', 'event_espresso'), count((array) $csv_data)),
+			$extra_response_data
+		);
+	}
 
 
-    /**
-     * Gets the csv data for a batch of registrations
-     *
-     * @param int|null $event_id
-     * @param int $offset
-     * @param int $limit
-     * @param array $question_labels the IDs for all the questions which were answered by someone in this selection
-     * @param array $query_params for using where querying the model
-     * @return array top-level keys are numeric, next-level keys are column headers
-     * @throws \EE_Error
-     */
-    public function get_csv_data_for($event_id, $offset, $limit, $question_labels, $query_params)
-    {
-        $reg_fields_to_include = array(
-            'TXN_ID',
-            'ATT_ID',
-            'REG_ID',
-            'REG_date',
-            'REG_code',
-            'REG_count',
-            'REG_final_price',
-        );
-        $att_fields_to_include = array(
-            'ATT_fname',
-            'ATT_lname',
-            'ATT_email',
-            'ATT_address',
-            'ATT_address2',
-            'ATT_city',
-            'STA_ID',
-            'CNT_ISO',
-            'ATT_zip',
-            'ATT_phone',
-        );
-        $registrations_csv_ready_array = array();
-        $reg_model = EE_Registry::instance()->load_model('Registration');
-        $query_params['limit'] = array($offset, $limit);
-        $registration_rows = $reg_model->get_all_wpdb_results($query_params);
-        $registration_ids = array();
-        foreach ($registration_rows as $reg_row) {
-            $registration_ids[] = intval($reg_row['Registration.REG_ID']);
-        }
-        foreach ($registration_rows as $reg_row) {
-            if (is_array($reg_row)) {
-                $reg_csv_array = array();
-                if (! $event_id) {
-                    // get the event's name and Id
-                    $reg_csv_array[ (string) __('Event', 'event_espresso') ] = sprintf(
-                        /* translators: 1: event name, 2: event ID */
-                        __('%1$s (%2$s)', 'event_espresso'),
-                        EEH_Export::prepare_value_from_db_for_display(
-                            EEM_Event::instance(),
-                            'EVT_name',
-                            $reg_row['Event_CPT.post_title']
-                        ),
-                        $reg_row['Event_CPT.ID']
-                    );
-                }
-                $is_primary_reg = $reg_row['Registration.REG_count'] == '1' ? true : false;
-                /*@var $reg_row EE_Registration */
-                foreach ($reg_fields_to_include as $field_name) {
-                    $field = $reg_model->field_settings_for($field_name);
-                    if ($field_name == 'REG_final_price') {
-                        $value = EEH_Export::prepare_value_from_db_for_display(
-                            $reg_model,
-                            $field_name,
-                            $reg_row['Registration.REG_final_price'],
-                            'localized_float'
-                        );
-                    } elseif ($field_name == 'REG_count') {
-                        $value = sprintf(
-                            /* translators: 1: number of registration in group (REG_count), 2: registration group size (REG_group_size) */
-                            __('%1$s of %2$s', 'event_espresso'),
-                            EEH_Export::prepare_value_from_db_for_display(
-                                $reg_model,
-                                'REG_count',
-                                $reg_row['Registration.REG_count']
-                            ),
-                            EEH_Export::prepare_value_from_db_for_display(
-                                $reg_model,
-                                'REG_group_size',
-                                $reg_row['Registration.REG_group_size']
-                            )
-                        );
-                    } elseif ($field_name == 'REG_date') {
-                        $value = EEH_Export::prepare_value_from_db_for_display(
-                            $reg_model,
-                            $field_name,
-                            $reg_row['Registration.REG_date'],
-                            'no_html'
-                        );
-                    } else {
-                        $value = EEH_Export::prepare_value_from_db_for_display(
-                            $reg_model,
-                            $field_name,
-                            $reg_row[ $field->get_qualified_column() ]
-                        );
-                    }
-                    $reg_csv_array[ EEH_Export::get_column_name_for_field($field) ] = $value;
-                    if ($field_name == 'REG_final_price') {
-                        // add a column named Currency after the final price
-                        $reg_csv_array[ (string) __("Currency", "event_espresso") ] = \EE_Config::instance()->currency->code;
-                    }
-                }
-                // get pretty status
-                $stati = EEM_Status::instance()->localized_status(
-                    array(
-                        $reg_row['Registration.STS_ID']     => __('unknown', 'event_espresso'),
-                        $reg_row['TransactionTable.STS_ID'] => __('unknown', 'event_espresso'),
-                    ),
-                    false,
-                    'sentence'
-                );
-                $reg_csv_array[ (string) __("Registration Status", 'event_espresso') ] = $stati[ $reg_row['Registration.STS_ID'] ];
-                // get pretty transaction status
-                $reg_csv_array[ (string) __("Transaction Status", 'event_espresso') ] = $stati[ $reg_row['TransactionTable.STS_ID'] ];
-                $reg_csv_array[ (string) __('Transaction Amount Due', 'event_espresso') ] = $is_primary_reg
-                    ? EEH_Export::prepare_value_from_db_for_display(
-                        EEM_Transaction::instance(),
-                        'TXN_total',
-                        $reg_row['TransactionTable.TXN_total'],
-                        'localized_float'
-                    ) : '0.00';
-                $reg_csv_array[ (string) __('Amount Paid', 'event_espresso') ] = $is_primary_reg
-                    ? EEH_Export::prepare_value_from_db_for_display(
-                        EEM_Transaction::instance(),
-                        'TXN_paid',
-                        $reg_row['TransactionTable.TXN_paid'],
-                        'localized_float'
-                    ) : '0.00';
-                $payment_methods = array();
-                $gateway_txn_ids_etc = array();
-                $payment_times = array();
-                if ($is_primary_reg && $reg_row['TransactionTable.TXN_ID']) {
-                    $payments_info = EEM_Payment::instance()->get_all_wpdb_results(
-                        array(
-                            array(
-                                'TXN_ID' => $reg_row['TransactionTable.TXN_ID'],
-                                'STS_ID' => EEM_Payment::status_id_approved,
-                            ),
-                            'force_join' => array('Payment_Method'),
-                        ),
-                        ARRAY_A,
-                        'Payment_Method.PMD_admin_name as name, Payment.PAY_txn_id_chq_nmbr as gateway_txn_id, Payment.PAY_timestamp as payment_time'
-                    );
-                    foreach ($payments_info as $payment_method_and_gateway_txn_id) {
-                        $payment_methods[] = isset($payment_method_and_gateway_txn_id['name'])
-                            ? $payment_method_and_gateway_txn_id['name'] : __('Unknown', 'event_espresso');
-                        $gateway_txn_ids_etc[] = isset($payment_method_and_gateway_txn_id['gateway_txn_id'])
-                            ? $payment_method_and_gateway_txn_id['gateway_txn_id'] : '';
-                        $payment_times[] = isset($payment_method_and_gateway_txn_id['payment_time'])
-                            ? $payment_method_and_gateway_txn_id['payment_time'] : '';
-                    }
-                }
-                $reg_csv_array[ (string) __('Payment Date(s)', 'event_espresso') ] = implode(',', $payment_times);
-                $reg_csv_array[ (string) __('Payment Method(s)', 'event_espresso') ] = implode(",", $payment_methods);
-                $reg_csv_array[ (string) __('Gateway Transaction ID(s)', 'event_espresso') ] = implode(
-                    ',',
-                    $gateway_txn_ids_etc
-                );
-                // get whether or not the user has checked in
-                $reg_csv_array[ (string) __("Check-Ins", "event_espresso") ] = $reg_model->count_related(
-                    $reg_row['Registration.REG_ID'],
-                    'Checkin'
-                );
-                // get ticket of registration and its price
-                $ticket_model = EE_Registry::instance()->load_model('Ticket');
-                if ($reg_row['Ticket.TKT_ID']) {
-                    $ticket_name = EEH_Export::prepare_value_from_db_for_display(
-                        $ticket_model,
-                        'TKT_name',
-                        $reg_row['Ticket.TKT_name']
-                    );
-                    $datetimes_strings = array();
-                    foreach (EEM_Datetime::instance()->get_all_wpdb_results(
-                        array(
-                            array('Ticket.TKT_ID' => $reg_row['Ticket.TKT_ID']),
-                            'order_by'                 => array('DTT_EVT_start' => 'ASC'),
-                            'default_where_conditions' => 'none',
-                        )
-                    ) as $datetime) {
-                        $datetimes_strings[] = EEH_Export::prepare_value_from_db_for_display(
-                            EEM_Datetime::instance(),
-                            'DTT_EVT_start',
-                            $datetime['Datetime.DTT_EVT_start']
-                        );
-                    }
-                } else {
-                    $ticket_name = __('Unknown', 'event_espresso');
-                    $datetimes_strings = array(__('Unknown', 'event_espresso'));
-                }
-                $reg_csv_array[ (string) $ticket_model->field_settings_for('TKT_name')->get_nicename() ] = $ticket_name;
-                $reg_csv_array[ (string) __("Datetimes of Ticket", "event_espresso") ] = implode(", ", $datetimes_strings);
-                // get datetime(s) of registration
-                // add attendee columns
-                foreach ($att_fields_to_include as $att_field_name) {
-                    $field_obj = EEM_Attendee::instance()->field_settings_for($att_field_name);
-                    if ($reg_row['Attendee_CPT.ID']) {
-                        if ($att_field_name == 'STA_ID') {
-                            $value = EEM_State::instance()->get_var(
-                                array(array('STA_ID' => $reg_row['Attendee_Meta.STA_ID'])),
-                                'STA_name'
-                            );
-                        } elseif ($att_field_name == 'CNT_ISO') {
-                            $value = EEM_Country::instance()->get_var(
-                                array(array('CNT_ISO' => $reg_row['Attendee_Meta.CNT_ISO'])),
-                                'CNT_name'
-                            );
-                        } else {
-                            $value = EEH_Export::prepare_value_from_db_for_display(
-                                EEM_Attendee::instance(),
-                                $att_field_name,
-                                $reg_row[ $field_obj->get_qualified_column() ]
-                            );
-                        }
-                    } else {
-                        $value = '';
-                    }
-                    $reg_csv_array[ EEH_Export::get_column_name_for_field($field_obj) ] = $value;
-                }
-                // make sure each registration has the same questions in the same order
-                foreach ($question_labels as $question_label) {
-                    if (! isset($reg_csv_array[ $question_label ])) {
-                        $reg_csv_array[ $question_label ] = null;
-                    }
-                }
-                $answers = EEM_Answer::instance()->get_all_wpdb_results(array(
-                    array('REG_ID' => $reg_row['Registration.REG_ID']),
-                    'force_join' => array('Question'),
-                ));
-                // now fill out the questions THEY answered
-                foreach ($answers as $answer_row) {
-                    if ($answer_row['Question.QST_system']) {
-                        // it's an answer to a system question. That was already displayed as part of the attendee
-                        // fields, so don't write it out again thanks.
-                        continue;
-                    }
-                    if ($answer_row['Question.QST_ID']) {
-                        $question_label = EEH_Export::prepare_value_from_db_for_display(
-                            EEM_Question::instance(),
-                            'QST_admin_label',
-                            $answer_row['Question.QST_admin_label']
-                        );
-                    } else {
-                        $question_label = sprintf(__('Question $s', 'event_espresso'), $answer_row['Answer.QST_ID']);
-                    }
-                    if (isset($answer_row['Question.QST_type'])
-                        && $answer_row['Question.QST_type'] == EEM_Question::QST_type_state
-                    ) {
-                        $reg_csv_array[ $question_label ] = EEM_State::instance()->get_state_name_by_ID(
-                            $answer_row['Answer.ANS_value']
-                        );
-                    } else {
-                        // this isn't for html, so don't show html entities
-                        $reg_csv_array[ $question_label ] = html_entity_decode(
-                            EEH_Export::prepare_value_from_db_for_display(
-                                EEM_Answer::instance(),
-                                'ANS_value',
-                                $answer_row['Answer.ANS_value']
-                            )
-                        );
-                    }
-                }
+	/**
+	 * Gets the csv data for a batch of registrations
+	 *
+	 * @param int|null $event_id
+	 * @param int $offset
+	 * @param int $limit
+	 * @param array $question_labels the IDs for all the questions which were answered by someone in this selection
+	 * @param array $query_params for using where querying the model
+	 * @return array top-level keys are numeric, next-level keys are column headers
+	 * @throws \EE_Error
+	 */
+	public function get_csv_data_for($event_id, $offset, $limit, $question_labels, $query_params)
+	{
+		$reg_fields_to_include = array(
+			'TXN_ID',
+			'ATT_ID',
+			'REG_ID',
+			'REG_date',
+			'REG_code',
+			'REG_count',
+			'REG_final_price',
+		);
+		$att_fields_to_include = array(
+			'ATT_fname',
+			'ATT_lname',
+			'ATT_email',
+			'ATT_address',
+			'ATT_address2',
+			'ATT_city',
+			'STA_ID',
+			'CNT_ISO',
+			'ATT_zip',
+			'ATT_phone',
+		);
+		$registrations_csv_ready_array = array();
+		$reg_model = EE_Registry::instance()->load_model('Registration');
+		$query_params['limit'] = array($offset, $limit);
+		$registration_rows = $reg_model->get_all_wpdb_results($query_params);
+		$registration_ids = array();
+		foreach ($registration_rows as $reg_row) {
+			$registration_ids[] = intval($reg_row['Registration.REG_ID']);
+		}
+		foreach ($registration_rows as $reg_row) {
+			if (is_array($reg_row)) {
+				$reg_csv_array = array();
+				if (! $event_id) {
+					// get the event's name and Id
+					$reg_csv_array[ (string) __('Event', 'event_espresso') ] = sprintf(
+						/* translators: 1: event name, 2: event ID */
+						__('%1$s (%2$s)', 'event_espresso'),
+						EEH_Export::prepare_value_from_db_for_display(
+							EEM_Event::instance(),
+							'EVT_name',
+							$reg_row['Event_CPT.post_title']
+						),
+						$reg_row['Event_CPT.ID']
+					);
+				}
+				$is_primary_reg = $reg_row['Registration.REG_count'] == '1' ? true : false;
+				/*@var $reg_row EE_Registration */
+				foreach ($reg_fields_to_include as $field_name) {
+					$field = $reg_model->field_settings_for($field_name);
+					if ($field_name == 'REG_final_price') {
+						$value = EEH_Export::prepare_value_from_db_for_display(
+							$reg_model,
+							$field_name,
+							$reg_row['Registration.REG_final_price'],
+							'localized_float'
+						);
+					} elseif ($field_name == 'REG_count') {
+						$value = sprintf(
+							/* translators: 1: number of registration in group (REG_count), 2: registration group size (REG_group_size) */
+							__('%1$s of %2$s', 'event_espresso'),
+							EEH_Export::prepare_value_from_db_for_display(
+								$reg_model,
+								'REG_count',
+								$reg_row['Registration.REG_count']
+							),
+							EEH_Export::prepare_value_from_db_for_display(
+								$reg_model,
+								'REG_group_size',
+								$reg_row['Registration.REG_group_size']
+							)
+						);
+					} elseif ($field_name == 'REG_date') {
+						$value = EEH_Export::prepare_value_from_db_for_display(
+							$reg_model,
+							$field_name,
+							$reg_row['Registration.REG_date'],
+							'no_html'
+						);
+					} else {
+						$value = EEH_Export::prepare_value_from_db_for_display(
+							$reg_model,
+							$field_name,
+							$reg_row[ $field->get_qualified_column() ]
+						);
+					}
+					$reg_csv_array[ EEH_Export::get_column_name_for_field($field) ] = $value;
+					if ($field_name == 'REG_final_price') {
+						// add a column named Currency after the final price
+						$reg_csv_array[ (string) __("Currency", "event_espresso") ] = \EE_Config::instance()->currency->code;
+					}
+				}
+				// get pretty status
+				$stati = EEM_Status::instance()->localized_status(
+					array(
+						$reg_row['Registration.STS_ID']     => __('unknown', 'event_espresso'),
+						$reg_row['TransactionTable.STS_ID'] => __('unknown', 'event_espresso'),
+					),
+					false,
+					'sentence'
+				);
+				$reg_csv_array[ (string) __("Registration Status", 'event_espresso') ] = $stati[ $reg_row['Registration.STS_ID'] ];
+				// get pretty transaction status
+				$reg_csv_array[ (string) __("Transaction Status", 'event_espresso') ] = $stati[ $reg_row['TransactionTable.STS_ID'] ];
+				$reg_csv_array[ (string) __('Transaction Amount Due', 'event_espresso') ] = $is_primary_reg
+					? EEH_Export::prepare_value_from_db_for_display(
+						EEM_Transaction::instance(),
+						'TXN_total',
+						$reg_row['TransactionTable.TXN_total'],
+						'localized_float'
+					) : '0.00';
+				$reg_csv_array[ (string) __('Amount Paid', 'event_espresso') ] = $is_primary_reg
+					? EEH_Export::prepare_value_from_db_for_display(
+						EEM_Transaction::instance(),
+						'TXN_paid',
+						$reg_row['TransactionTable.TXN_paid'],
+						'localized_float'
+					) : '0.00';
+				$payment_methods = array();
+				$gateway_txn_ids_etc = array();
+				$payment_times = array();
+				if ($is_primary_reg && $reg_row['TransactionTable.TXN_ID']) {
+					$payments_info = EEM_Payment::instance()->get_all_wpdb_results(
+						array(
+							array(
+								'TXN_ID' => $reg_row['TransactionTable.TXN_ID'],
+								'STS_ID' => EEM_Payment::status_id_approved,
+							),
+							'force_join' => array('Payment_Method'),
+						),
+						ARRAY_A,
+						'Payment_Method.PMD_admin_name as name, Payment.PAY_txn_id_chq_nmbr as gateway_txn_id, Payment.PAY_timestamp as payment_time'
+					);
+					foreach ($payments_info as $payment_method_and_gateway_txn_id) {
+						$payment_methods[] = isset($payment_method_and_gateway_txn_id['name'])
+							? $payment_method_and_gateway_txn_id['name'] : __('Unknown', 'event_espresso');
+						$gateway_txn_ids_etc[] = isset($payment_method_and_gateway_txn_id['gateway_txn_id'])
+							? $payment_method_and_gateway_txn_id['gateway_txn_id'] : '';
+						$payment_times[] = isset($payment_method_and_gateway_txn_id['payment_time'])
+							? $payment_method_and_gateway_txn_id['payment_time'] : '';
+					}
+				}
+				$reg_csv_array[ (string) __('Payment Date(s)', 'event_espresso') ] = implode(',', $payment_times);
+				$reg_csv_array[ (string) __('Payment Method(s)', 'event_espresso') ] = implode(",", $payment_methods);
+				$reg_csv_array[ (string) __('Gateway Transaction ID(s)', 'event_espresso') ] = implode(
+					',',
+					$gateway_txn_ids_etc
+				);
+				// get whether or not the user has checked in
+				$reg_csv_array[ (string) __("Check-Ins", "event_espresso") ] = $reg_model->count_related(
+					$reg_row['Registration.REG_ID'],
+					'Checkin'
+				);
+				// get ticket of registration and its price
+				$ticket_model = EE_Registry::instance()->load_model('Ticket');
+				if ($reg_row['Ticket.TKT_ID']) {
+					$ticket_name = EEH_Export::prepare_value_from_db_for_display(
+						$ticket_model,
+						'TKT_name',
+						$reg_row['Ticket.TKT_name']
+					);
+					$datetimes_strings = array();
+					foreach (EEM_Datetime::instance()->get_all_wpdb_results(
+						array(
+							array('Ticket.TKT_ID' => $reg_row['Ticket.TKT_ID']),
+							'order_by'                 => array('DTT_EVT_start' => 'ASC'),
+							'default_where_conditions' => 'none',
+						)
+					) as $datetime) {
+						$datetimes_strings[] = EEH_Export::prepare_value_from_db_for_display(
+							EEM_Datetime::instance(),
+							'DTT_EVT_start',
+							$datetime['Datetime.DTT_EVT_start']
+						);
+					}
+				} else {
+					$ticket_name = __('Unknown', 'event_espresso');
+					$datetimes_strings = array(__('Unknown', 'event_espresso'));
+				}
+				$reg_csv_array[ (string) $ticket_model->field_settings_for('TKT_name')->get_nicename() ] = $ticket_name;
+				$reg_csv_array[ (string) __("Datetimes of Ticket", "event_espresso") ] = implode(", ", $datetimes_strings);
+				// get datetime(s) of registration
+				// add attendee columns
+				foreach ($att_fields_to_include as $att_field_name) {
+					$field_obj = EEM_Attendee::instance()->field_settings_for($att_field_name);
+					if ($reg_row['Attendee_CPT.ID']) {
+						if ($att_field_name == 'STA_ID') {
+							$value = EEM_State::instance()->get_var(
+								array(array('STA_ID' => $reg_row['Attendee_Meta.STA_ID'])),
+								'STA_name'
+							);
+						} elseif ($att_field_name == 'CNT_ISO') {
+							$value = EEM_Country::instance()->get_var(
+								array(array('CNT_ISO' => $reg_row['Attendee_Meta.CNT_ISO'])),
+								'CNT_name'
+							);
+						} else {
+							$value = EEH_Export::prepare_value_from_db_for_display(
+								EEM_Attendee::instance(),
+								$att_field_name,
+								$reg_row[ $field_obj->get_qualified_column() ]
+							);
+						}
+					} else {
+						$value = '';
+					}
+					$reg_csv_array[ EEH_Export::get_column_name_for_field($field_obj) ] = $value;
+				}
+				// make sure each registration has the same questions in the same order
+				foreach ($question_labels as $question_label) {
+					if (! isset($reg_csv_array[ $question_label ])) {
+						$reg_csv_array[ $question_label ] = null;
+					}
+				}
+				$answers = EEM_Answer::instance()->get_all_wpdb_results(array(
+					array('REG_ID' => $reg_row['Registration.REG_ID']),
+					'force_join' => array('Question'),
+				));
+				// now fill out the questions THEY answered
+				foreach ($answers as $answer_row) {
+					if ($answer_row['Question.QST_system']) {
+						// it's an answer to a system question. That was already displayed as part of the attendee
+						// fields, so don't write it out again thanks.
+						continue;
+					}
+					if ($answer_row['Question.QST_ID']) {
+						$question_label = EEH_Export::prepare_value_from_db_for_display(
+							EEM_Question::instance(),
+							'QST_admin_label',
+							$answer_row['Question.QST_admin_label']
+						);
+					} else {
+						$question_label = sprintf(__('Question $s', 'event_espresso'), $answer_row['Answer.QST_ID']);
+					}
+					if (isset($answer_row['Question.QST_type'])
+						&& $answer_row['Question.QST_type'] == EEM_Question::QST_type_state
+					) {
+						$reg_csv_array[ $question_label ] = EEM_State::instance()->get_state_name_by_ID(
+							$answer_row['Answer.ANS_value']
+						);
+					} else {
+						// this isn't for html, so don't show html entities
+						$reg_csv_array[ $question_label ] = html_entity_decode(
+							EEH_Export::prepare_value_from_db_for_display(
+								EEM_Answer::instance(),
+								'ANS_value',
+								$answer_row['Answer.ANS_value']
+							)
+						);
+					}
+				}
 
-                /**
-                 * Filter to change the contents of each row of the registrations report CSV file.
-                 * This can be used to add or remote columns from the CSV file, or change their values.
-                 * Note when using: all rows in the CSV should have the same columns.
-                 * @param array $reg_csv_array keys are the column names, values are their cell values
-                 * @param array $reg_row one entry from EEM_Registration::get_all_wpdb_results()
-                 */
-                $registrations_csv_ready_array[] = apply_filters(
-                    'FHEE__EventEspressoBatchRequest__JobHandlers__RegistrationsReport__reg_csv_array',
-                    $reg_csv_array,
-                    $reg_row
-                );
-            }
-        }
-        // if we couldn't export anything, we want to at least show the column headers
-        if (empty($registrations_csv_ready_array)) {
-            $reg_csv_array = array();
-            $model_and_fields_to_include = array(
-                'Registration' => $reg_fields_to_include,
-                'Attendee'     => $att_fields_to_include,
-            );
-            foreach ($model_and_fields_to_include as $model_name => $field_list) {
-                $model = EE_Registry::instance()->load_model($model_name);
-                foreach ($field_list as $field_name) {
-                    $field = $model->field_settings_for($field_name);
-                    $reg_csv_array[ EEH_Export::get_column_name_for_field($field) ] = null;
-                }
-            }
-            $registrations_csv_ready_array[] = $reg_csv_array;
-        }
-        return $registrations_csv_ready_array;
-    }
+				/**
+				 * Filter to change the contents of each row of the registrations report CSV file.
+				 * This can be used to add or remote columns from the CSV file, or change their values.
+				 * Note when using: all rows in the CSV should have the same columns.
+				 * @param array $reg_csv_array keys are the column names, values are their cell values
+				 * @param array $reg_row one entry from EEM_Registration::get_all_wpdb_results()
+				 */
+				$registrations_csv_ready_array[] = apply_filters(
+					'FHEE__EventEspressoBatchRequest__JobHandlers__RegistrationsReport__reg_csv_array',
+					$reg_csv_array,
+					$reg_row
+				);
+			}
+		}
+		// if we couldn't export anything, we want to at least show the column headers
+		if (empty($registrations_csv_ready_array)) {
+			$reg_csv_array = array();
+			$model_and_fields_to_include = array(
+				'Registration' => $reg_fields_to_include,
+				'Attendee'     => $att_fields_to_include,
+			);
+			foreach ($model_and_fields_to_include as $model_name => $field_list) {
+				$model = EE_Registry::instance()->load_model($model_name);
+				foreach ($field_list as $field_name) {
+					$field = $model->field_settings_for($field_name);
+					$reg_csv_array[ EEH_Export::get_column_name_for_field($field) ] = null;
+				}
+			}
+			$registrations_csv_ready_array[] = $reg_csv_array;
+		}
+		return $registrations_csv_ready_array;
+	}
 
 
-    /**
-     * Counts total unit to process
-     *
-     * @deprecated since 4.9.19
-     * @param int|array $event_id
-     * @return int
-     */
-    public function count_units_to_process($event_id)
-    {
-        // use the legacy filter
-        if ($event_id) {
-            $query_params[0]['EVT_ID'] = $event_id;
-        } else {
-            $query_params['force_join'][] = 'Event';
-        }
-        return \EEM_Registration::instance()->count($query_params);
-    }
+	/**
+	 * Counts total unit to process
+	 *
+	 * @deprecated since 4.9.19
+	 * @param int|array $event_id
+	 * @return int
+	 */
+	public function count_units_to_process($event_id)
+	{
+		// use the legacy filter
+		if ($event_id) {
+			$query_params[0]['EVT_ID'] = $event_id;
+		} else {
+			$query_params['force_join'][] = 'Event';
+		}
+		return \EEM_Registration::instance()->count($query_params);
+	}
 
 
-    /**
-     * Performs any clean-up logic when we know the job is completed.
-     * In this case, we delete the temporary file
-     *
-     * @param JobParameters $job_parameters
-     * @return boolean
-     */
-    public function cleanup_job(JobParameters $job_parameters)
-    {
-        $this->_file_helper->delete(
-            \EEH_File::remove_filename_from_filepath($job_parameters->extra_datum('filepath')),
-            true,
-            'd'
-        );
-        return new JobStepResponse($job_parameters, __('Cleaned up temporary file', 'event_espresso'));
-    }
+	/**
+	 * Performs any clean-up logic when we know the job is completed.
+	 * In this case, we delete the temporary file
+	 *
+	 * @param JobParameters $job_parameters
+	 * @return boolean
+	 */
+	public function cleanup_job(JobParameters $job_parameters)
+	{
+		$this->_file_helper->delete(
+			\EEH_File::remove_filename_from_filepath($job_parameters->extra_datum('filepath')),
+			true,
+			'd'
+		);
+		return new JobStepResponse($job_parameters, __('Cleaned up temporary file', 'event_espresso'));
+	}
 }

admin_pages/registrations/EE_Registrations_List_Table.class.php

Doc Comments +1 added lines, -1 removed lines

@@ -227,7 +227,7 @@
      *    _get_table_filters
      *
      * @access protected
-     * @return array
+     * @return string[]
      */
     protected function _get_table_filters()
     {

Unused Use Statements -1 removed lines

@@ -1,5 +1,4 @@
 <?php use EventEspresso\core\exceptions\EntityNotFoundException;
-
 use EventEspresso\core\exceptions\InvalidDataTypeException;
 use EventEspresso\core\exceptions\InvalidInterfaceException;
 

Indentation +965 added lines, -965 removed lines

@@ -24,1046 +24,1046 @@
 {
 
 
-    /**
-     * @var array
-     */
-    private $_status;
+	/**
+	 * @var array
+	 */
+	private $_status;
 
 
-    /**
-     * An array of transaction details for the related transaction to the registration being processed.
-     * This is set via the _set_related_details method.
-     *
-     * @var array
-     */
-    protected $_transaction_details = array();
+	/**
+	 * An array of transaction details for the related transaction to the registration being processed.
+	 * This is set via the _set_related_details method.
+	 *
+	 * @var array
+	 */
+	protected $_transaction_details = array();
 
 
-    /**
-     * An array of event details for the related event to the registration being processed.
-     * This is set via the _set_related_details method.
-     *
-     * @var array
-     */
-    protected $_event_details = array();
+	/**
+	 * An array of event details for the related event to the registration being processed.
+	 * This is set via the _set_related_details method.
+	 *
+	 * @var array
+	 */
+	protected $_event_details = array();
 
 
-    /**
-     * @param \Registrations_Admin_Page $admin_page
-     */
-    public function __construct(Registrations_Admin_Page $admin_page)
-    {
-        if (! empty($_GET['event_id'])) {
-            $extra_query_args = array();
-            foreach ($admin_page->get_views() as $key => $view_details) {
-                $extra_query_args[ $view_details['slug'] ] = array('event_id' => $_GET['event_id']);
-            }
-            $this->_views = $admin_page->get_list_table_view_RLs($extra_query_args);
-        }
-        parent::__construct($admin_page);
-        $this->_status = $this->_admin_page->get_registration_status_array();
-    }
+	/**
+	 * @param \Registrations_Admin_Page $admin_page
+	 */
+	public function __construct(Registrations_Admin_Page $admin_page)
+	{
+		if (! empty($_GET['event_id'])) {
+			$extra_query_args = array();
+			foreach ($admin_page->get_views() as $key => $view_details) {
+				$extra_query_args[ $view_details['slug'] ] = array('event_id' => $_GET['event_id']);
+			}
+			$this->_views = $admin_page->get_list_table_view_RLs($extra_query_args);
+		}
+		parent::__construct($admin_page);
+		$this->_status = $this->_admin_page->get_registration_status_array();
+	}
 
 
-    /**
-     *    _setup_data
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _setup_data()
-    {
-        $this->_data = $this->_admin_page->get_registrations($this->_per_page);
-        $this->_all_data_count = $this->_admin_page->get_registrations($this->_per_page, true, false, false);
-    }
+	/**
+	 *    _setup_data
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _setup_data()
+	{
+		$this->_data = $this->_admin_page->get_registrations($this->_per_page);
+		$this->_all_data_count = $this->_admin_page->get_registrations($this->_per_page, true, false, false);
+	}
 
 
-    /**
-     *    _set_properties
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _set_properties()
-    {
-        $this->_wp_list_args = array(
-            'singular' => __('registration', 'event_espresso'),
-            'plural'   => __('registrations', 'event_espresso'),
-            'ajax'     => true,
-            'screen'   => $this->_admin_page->get_current_screen()->id,
-        );
-        $ID_column_name = __('ID', 'event_espresso');
-        $ID_column_name .= ' : <span class="show-on-mobile-view-only" style="float:none">';
-        $ID_column_name .= __('Registrant Name', 'event_espresso');
-        $ID_column_name .= '</span> ';
-        if (isset($_GET['event_id'])) {
-            $this->_columns = array(
-                'cb'               => '<input type="checkbox" />', // Render a checkbox instead of text
-                '_REG_ID'          => $ID_column_name,
-                'ATT_fname'        => __('Name', 'event_espresso'),
-                'ATT_email'        => __('Email', 'event_espresso'),
-                '_REG_date'        => __('Reg Date', 'event_espresso'),
-                'PRC_amount'       => __('TKT Price', 'event_espresso'),
-                '_REG_final_price' => __('Final Price', 'event_espresso'),
-                'TXN_total'        => __('Total Txn', 'event_espresso'),
-                'TXN_paid'         => __('Paid', 'event_espresso'),
-                'actions'          => __('Actions', 'event_espresso'),
-            );
-            $this->_bottom_buttons = array(
-                'report' => array(
-                    'route'         => 'registrations_report',
-                    'extra_request' => array(
-                        'EVT_ID'     => isset($this->_req_data['event_id']) ? $this->_req_data['event_id'] : null,
-                        'return_url' => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
-                    ),
-                ),
-            );
-        } else {
-            $this->_columns = array(
-                'cb'               => '<input type="checkbox" />', // Render a checkbox instead of text
-                '_REG_ID'          => $ID_column_name,
-                'ATT_fname'        => __('Name', 'event_espresso'),
-                '_REG_date'        => __('TXN Date', 'event_espresso'),
-                'event_name'       => __('Event', 'event_espresso'),
-                'DTT_EVT_start'    => __('Event Date', 'event_espresso'),
-                '_REG_final_price' => __('Price', 'event_espresso'),
-                '_REG_paid'        => __('Paid', 'event_espresso'),
-                'actions'          => __('Actions', 'event_espresso'),
-            );
-            $this->_bottom_buttons = array(
-                'report_all' => array(
-                    'route'         => 'registrations_report',
-                    'extra_request' => array(
-                        'return_url' => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
-                    ),
-                ),
-            );
-        }
-        $this->_bottom_buttons['report_filtered'] = array(
-            'route'         => 'registrations_report',
-            'extra_request' => array(
-                'use_filters' => true,
-                'return_url'  => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
-            ),
-        );
-        $filters = array_diff_key(
-            $this->_req_data,
-            array_flip(
-                array(
-                    'page',
-                    'action',
-                    'default_nonce',
-                )
-            )
-        );
-        if (!empty($filters)) {
-            $this->_bottom_buttons['report_filtered']['extra_request']['filters'] = $filters;
-        }
-        $this->_primary_column = '_REG_ID';
-        $this->_sortable_columns = array(
-            '_REG_date'     => array('_REG_date' => true),   // true means its already sorted
-            /**
-             * Allows users to change the default sort if they wish.
-             * Returning a falsey on this filter will result in the default sort to be by firstname rather than last
-             * name.
-             */
-            'ATT_fname'     => array(
-                'FHEE__EE_Registrations_List_Table___set_properties__default_sort_by_registration_last_name',
-                true,
-                $this,
-            )
-                ? array('ATT_lname' => false)
-                : array('ATT_fname' => false),
-            'event_name'    => array('event_name' => false),
-            'DTT_EVT_start' => array('DTT_EVT_start' => false),
-            '_REG_ID'       => array('_REG_ID' => false),
-        );
-        $this->_hidden_columns = array();
-    }
+	/**
+	 *    _set_properties
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _set_properties()
+	{
+		$this->_wp_list_args = array(
+			'singular' => __('registration', 'event_espresso'),
+			'plural'   => __('registrations', 'event_espresso'),
+			'ajax'     => true,
+			'screen'   => $this->_admin_page->get_current_screen()->id,
+		);
+		$ID_column_name = __('ID', 'event_espresso');
+		$ID_column_name .= ' : <span class="show-on-mobile-view-only" style="float:none">';
+		$ID_column_name .= __('Registrant Name', 'event_espresso');
+		$ID_column_name .= '</span> ';
+		if (isset($_GET['event_id'])) {
+			$this->_columns = array(
+				'cb'               => '<input type="checkbox" />', // Render a checkbox instead of text
+				'_REG_ID'          => $ID_column_name,
+				'ATT_fname'        => __('Name', 'event_espresso'),
+				'ATT_email'        => __('Email', 'event_espresso'),
+				'_REG_date'        => __('Reg Date', 'event_espresso'),
+				'PRC_amount'       => __('TKT Price', 'event_espresso'),
+				'_REG_final_price' => __('Final Price', 'event_espresso'),
+				'TXN_total'        => __('Total Txn', 'event_espresso'),
+				'TXN_paid'         => __('Paid', 'event_espresso'),
+				'actions'          => __('Actions', 'event_espresso'),
+			);
+			$this->_bottom_buttons = array(
+				'report' => array(
+					'route'         => 'registrations_report',
+					'extra_request' => array(
+						'EVT_ID'     => isset($this->_req_data['event_id']) ? $this->_req_data['event_id'] : null,
+						'return_url' => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
+					),
+				),
+			);
+		} else {
+			$this->_columns = array(
+				'cb'               => '<input type="checkbox" />', // Render a checkbox instead of text
+				'_REG_ID'          => $ID_column_name,
+				'ATT_fname'        => __('Name', 'event_espresso'),
+				'_REG_date'        => __('TXN Date', 'event_espresso'),
+				'event_name'       => __('Event', 'event_espresso'),
+				'DTT_EVT_start'    => __('Event Date', 'event_espresso'),
+				'_REG_final_price' => __('Price', 'event_espresso'),
+				'_REG_paid'        => __('Paid', 'event_espresso'),
+				'actions'          => __('Actions', 'event_espresso'),
+			);
+			$this->_bottom_buttons = array(
+				'report_all' => array(
+					'route'         => 'registrations_report',
+					'extra_request' => array(
+						'return_url' => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
+					),
+				),
+			);
+		}
+		$this->_bottom_buttons['report_filtered'] = array(
+			'route'         => 'registrations_report',
+			'extra_request' => array(
+				'use_filters' => true,
+				'return_url'  => urlencode("//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"),
+			),
+		);
+		$filters = array_diff_key(
+			$this->_req_data,
+			array_flip(
+				array(
+					'page',
+					'action',
+					'default_nonce',
+				)
+			)
+		);
+		if (!empty($filters)) {
+			$this->_bottom_buttons['report_filtered']['extra_request']['filters'] = $filters;
+		}
+		$this->_primary_column = '_REG_ID';
+		$this->_sortable_columns = array(
+			'_REG_date'     => array('_REG_date' => true),   // true means its already sorted
+			/**
+			 * Allows users to change the default sort if they wish.
+			 * Returning a falsey on this filter will result in the default sort to be by firstname rather than last
+			 * name.
+			 */
+			'ATT_fname'     => array(
+				'FHEE__EE_Registrations_List_Table___set_properties__default_sort_by_registration_last_name',
+				true,
+				$this,
+			)
+				? array('ATT_lname' => false)
+				: array('ATT_fname' => false),
+			'event_name'    => array('event_name' => false),
+			'DTT_EVT_start' => array('DTT_EVT_start' => false),
+			'_REG_ID'       => array('_REG_ID' => false),
+		);
+		$this->_hidden_columns = array();
+	}
 
 
-    /**
-     * This simply sets up the row class for the table rows.
-     * Allows for easier overriding of child methods for setting up sorting.
-     *
-     * @param  EE_Registration $item the current item
-     * @return string
-     */
-    protected function _get_row_class($item)
-    {
-        $class = parent::_get_row_class($item);
-        // add status class
-        $class .= ' ee-status-strip reg-status-' . $item->status_ID();
-        if ($this->_has_checkbox_column) {
-            $class .= ' has-checkbox-column';
-        }
-        return $class;
-    }
+	/**
+	 * This simply sets up the row class for the table rows.
+	 * Allows for easier overriding of child methods for setting up sorting.
+	 *
+	 * @param  EE_Registration $item the current item
+	 * @return string
+	 */
+	protected function _get_row_class($item)
+	{
+		$class = parent::_get_row_class($item);
+		// add status class
+		$class .= ' ee-status-strip reg-status-' . $item->status_ID();
+		if ($this->_has_checkbox_column) {
+			$class .= ' has-checkbox-column';
+		}
+		return $class;
+	}
 
 
-    /**
-     * Set the $_transaction_details property if not set yet.
-     *
-     * @param EE_Registration $registration
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _set_related_details(EE_Registration $registration)
-    {
-        $transaction = $registration->get_first_related('Transaction');
-        $status = $transaction instanceof EE_Transaction ? $transaction->status_ID()
-            : EEM_Transaction::failed_status_code;
-        $this->_transaction_details = array(
-            'transaction' => $transaction,
-            'status'      => $status,
-            'id'          => $transaction instanceof EE_Transaction ? $transaction->ID() : 0,
-            'title_attr'  => sprintf(
-                __('View Transaction Details (%s)', 'event_espresso'),
-                EEH_Template::pretty_status($status, false, 'sentence')
-            ),
-        );
-        try {
-            $event = $registration->event();
-        } catch (EntityNotFoundException $e) {
-            $event = null;
-        }
-        $status = $event instanceof EE_Event ? $event->get_active_status() : EE_Datetime::inactive;
-        $this->_event_details = array(
-            'event'      => $event,
-            'status'     => $status,
-            'id'         => $event instanceof EE_Event ? $event->ID() : 0,
-            'title_attr' => sprintf(
-                __('Edit Event (%s)', 'event_espresso'),
-                EEH_Template::pretty_status($status, false, 'sentence')
-            ),
-        );
-    }
+	/**
+	 * Set the $_transaction_details property if not set yet.
+	 *
+	 * @param EE_Registration $registration
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _set_related_details(EE_Registration $registration)
+	{
+		$transaction = $registration->get_first_related('Transaction');
+		$status = $transaction instanceof EE_Transaction ? $transaction->status_ID()
+			: EEM_Transaction::failed_status_code;
+		$this->_transaction_details = array(
+			'transaction' => $transaction,
+			'status'      => $status,
+			'id'          => $transaction instanceof EE_Transaction ? $transaction->ID() : 0,
+			'title_attr'  => sprintf(
+				__('View Transaction Details (%s)', 'event_espresso'),
+				EEH_Template::pretty_status($status, false, 'sentence')
+			),
+		);
+		try {
+			$event = $registration->event();
+		} catch (EntityNotFoundException $e) {
+			$event = null;
+		}
+		$status = $event instanceof EE_Event ? $event->get_active_status() : EE_Datetime::inactive;
+		$this->_event_details = array(
+			'event'      => $event,
+			'status'     => $status,
+			'id'         => $event instanceof EE_Event ? $event->ID() : 0,
+			'title_attr' => sprintf(
+				__('Edit Event (%s)', 'event_espresso'),
+				EEH_Template::pretty_status($status, false, 'sentence')
+			),
+		);
+	}
 
 
-    /**
-     *    _get_table_filters
-     *
-     * @access protected
-     * @return array
-     */
-    protected function _get_table_filters()
-    {
-        $filters = array();
-        // todo we're currently using old functions here. We need to move things into the Events_Admin_Page() class as
-        // methods.
-        $cur_date = isset($this->_req_data['month_range']) ? $this->_req_data['month_range'] : '';
-        $cur_category = isset($this->_req_data['EVT_CAT']) ? $this->_req_data['EVT_CAT'] : -1;
-        $reg_status = isset($this->_req_data['_reg_status']) ? $this->_req_data['_reg_status'] : '';
-        $filters[] = EEH_Form_Fields::generate_registration_months_dropdown($cur_date, $reg_status, $cur_category);
-        $filters[] = EEH_Form_Fields::generate_event_category_dropdown($cur_category);
-        $status = array();
-        $status[] = array('id' => 0, 'text' => __('Select Status', 'event_espresso'));
-        foreach ($this->_status as $key => $value) {
-            $status[] = array('id' => $key, 'text' => $value);
-        }
-        if ($this->_view !== 'incomplete') {
-            $filters[] = EEH_Form_Fields::select_input(
-                '_reg_status',
-                $status,
-                isset($this->_req_data['_reg_status']) ? strtoupper(sanitize_key($this->_req_data['_reg_status']))
-                    : ''
-            );
-        }
-        if (isset($this->_req_data['event_id'])) {
-            $filters[] = EEH_Form_Fields::hidden_input('event_id', $this->_req_data['event_id'], 'reg_event_id');
-        }
-        return $filters;
-    }
+	/**
+	 *    _get_table_filters
+	 *
+	 * @access protected
+	 * @return array
+	 */
+	protected function _get_table_filters()
+	{
+		$filters = array();
+		// todo we're currently using old functions here. We need to move things into the Events_Admin_Page() class as
+		// methods.
+		$cur_date = isset($this->_req_data['month_range']) ? $this->_req_data['month_range'] : '';
+		$cur_category = isset($this->_req_data['EVT_CAT']) ? $this->_req_data['EVT_CAT'] : -1;
+		$reg_status = isset($this->_req_data['_reg_status']) ? $this->_req_data['_reg_status'] : '';
+		$filters[] = EEH_Form_Fields::generate_registration_months_dropdown($cur_date, $reg_status, $cur_category);
+		$filters[] = EEH_Form_Fields::generate_event_category_dropdown($cur_category);
+		$status = array();
+		$status[] = array('id' => 0, 'text' => __('Select Status', 'event_espresso'));
+		foreach ($this->_status as $key => $value) {
+			$status[] = array('id' => $key, 'text' => $value);
+		}
+		if ($this->_view !== 'incomplete') {
+			$filters[] = EEH_Form_Fields::select_input(
+				'_reg_status',
+				$status,
+				isset($this->_req_data['_reg_status']) ? strtoupper(sanitize_key($this->_req_data['_reg_status']))
+					: ''
+			);
+		}
+		if (isset($this->_req_data['event_id'])) {
+			$filters[] = EEH_Form_Fields::hidden_input('event_id', $this->_req_data['event_id'], 'reg_event_id');
+		}
+		return $filters;
+	}
 
 
-    /**
-     *    _add_view_counts
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _add_view_counts()
-    {
-        $this->_views['all']['count'] = $this->_total_registrations();
-        $this->_views['month']['count'] = $this->_total_registrations_this_month();
-        $this->_views['today']['count'] = $this->_total_registrations_today();
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_delete_registrations',
-            'espresso_registrations_trash_registrations'
-        )) {
-            $this->_views['incomplete']['count'] = $this->_total_registrations('incomplete');
-            $this->_views['trash']['count'] = $this->_total_registrations('trash');
-        }
-    }
+	/**
+	 *    _add_view_counts
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _add_view_counts()
+	{
+		$this->_views['all']['count'] = $this->_total_registrations();
+		$this->_views['month']['count'] = $this->_total_registrations_this_month();
+		$this->_views['today']['count'] = $this->_total_registrations_today();
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_delete_registrations',
+			'espresso_registrations_trash_registrations'
+		)) {
+			$this->_views['incomplete']['count'] = $this->_total_registrations('incomplete');
+			$this->_views['trash']['count'] = $this->_total_registrations('trash');
+		}
+	}
 
 
-    /**
-     * _total_registrations
-     *
-     * @access protected
-     * @param string $view
-     * @return int
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _total_registrations($view = '')
-    {
-        $_where = array();
-        $EVT_ID = isset($this->_req_data['event_id']) ? absint($this->_req_data['event_id']) : false;
-        if ($EVT_ID) {
-            $_where['EVT_ID'] = $EVT_ID;
-        }
-        switch ($view) {
-            case 'trash':
-                return EEM_Registration::instance()->count_deleted(array($_where));
-                break;
-            case 'incomplete':
-                $_where['STS_ID'] = EEM_Registration::status_id_incomplete;
-                break;
-            default:
-                $_where['STS_ID'] = array('!=', EEM_Registration::status_id_incomplete);
-        }
-        return EEM_Registration::instance()->count(array($_where));
-    }
+	/**
+	 * _total_registrations
+	 *
+	 * @access protected
+	 * @param string $view
+	 * @return int
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _total_registrations($view = '')
+	{
+		$_where = array();
+		$EVT_ID = isset($this->_req_data['event_id']) ? absint($this->_req_data['event_id']) : false;
+		if ($EVT_ID) {
+			$_where['EVT_ID'] = $EVT_ID;
+		}
+		switch ($view) {
+			case 'trash':
+				return EEM_Registration::instance()->count_deleted(array($_where));
+				break;
+			case 'incomplete':
+				$_where['STS_ID'] = EEM_Registration::status_id_incomplete;
+				break;
+			default:
+				$_where['STS_ID'] = array('!=', EEM_Registration::status_id_incomplete);
+		}
+		return EEM_Registration::instance()->count(array($_where));
+	}
 
 
-    /**
-     * _total_registrations_this_month
-     *
-     * @access protected
-     * @return int
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _total_registrations_this_month()
-    {
-        $EVT_ID = isset($this->_req_data['event_id']) ? absint($this->_req_data['event_id']) : false;
-        $_where = $EVT_ID ? array('EVT_ID' => $EVT_ID) : array();
-        $this_year_r = date('Y', current_time('timestamp'));
-        $time_start = ' 00:00:00';
-        $time_end = ' 23:59:59';
-        $this_month_r = date('m', current_time('timestamp'));
-        $days_this_month = date('t', current_time('timestamp'));
-        // setup date query.
-        $beginning_string = EEM_Registration::instance()->convert_datetime_for_query(
-            'REG_date',
-            $this_year_r . '-' . $this_month_r . '-01' . ' ' . $time_start,
-            'Y-m-d H:i:s'
-        );
-        $end_string = EEM_Registration::instance()->convert_datetime_for_query(
-            'REG_date',
-            $this_year_r . '-' . $this_month_r . '-' . $days_this_month . ' ' . $time_end,
-            'Y-m-d H:i:s'
-        );
-        $_where['REG_date'] = array(
-            'BETWEEN',
-            array(
-                $beginning_string,
-                $end_string,
-            ),
-        );
-        $_where['STS_ID'] = array('!=', EEM_Registration::status_id_incomplete);
-        return EEM_Registration::instance()->count(array($_where));
-    }
+	/**
+	 * _total_registrations_this_month
+	 *
+	 * @access protected
+	 * @return int
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _total_registrations_this_month()
+	{
+		$EVT_ID = isset($this->_req_data['event_id']) ? absint($this->_req_data['event_id']) : false;
+		$_where = $EVT_ID ? array('EVT_ID' => $EVT_ID) : array();
+		$this_year_r = date('Y', current_time('timestamp'));
+		$time_start = ' 00:00:00';
+		$time_end = ' 23:59:59';
+		$this_month_r = date('m', current_time('timestamp'));
+		$days_this_month = date('t', current_time('timestamp'));
+		// setup date query.
+		$beginning_string = EEM_Registration::instance()->convert_datetime_for_query(
+			'REG_date',
+			$this_year_r . '-' . $this_month_r . '-01' . ' ' . $time_start,
+			'Y-m-d H:i:s'
+		);
+		$end_string = EEM_Registration::instance()->convert_datetime_for_query(
+			'REG_date',
+			$this_year_r . '-' . $this_month_r . '-' . $days_this_month . ' ' . $time_end,
+			'Y-m-d H:i:s'
+		);
+		$_where['REG_date'] = array(
+			'BETWEEN',
+			array(
+				$beginning_string,
+				$end_string,
+			),
+		);
+		$_where['STS_ID'] = array('!=', EEM_Registration::status_id_incomplete);
+		return EEM_Registration::instance()->count(array($_where));
+	}
 
 
-    /**
-     * _total_registrations_today
-     *
-     * @access protected
-     * @return int
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _total_registrations_today()
-    {
-        $EVT_ID = isset($this->_req_data['event_id']) ? absint($this->_req_data['event_id']) : false;
-        $_where = $EVT_ID ? array('EVT_ID' => $EVT_ID) : array();
-        $current_date = date('Y-m-d', current_time('timestamp'));
-        $time_start = ' 00:00:00';
-        $time_end = ' 23:59:59';
-        $_where['REG_date'] = array(
-            'BETWEEN',
-            array(
-                EEM_Registration::instance()->convert_datetime_for_query(
-                    'REG_date',
-                    $current_date . $time_start,
-                    'Y-m-d H:i:s'
-                ),
-                EEM_Registration::instance()->convert_datetime_for_query(
-                    'REG_date',
-                    $current_date . $time_end,
-                    'Y-m-d H:i:s'
-                ),
-            ),
-        );
-        $_where['STS_ID'] = array('!=', EEM_Registration::status_id_incomplete);
-        return EEM_Registration::instance()->count(array($_where));
-    }
+	/**
+	 * _total_registrations_today
+	 *
+	 * @access protected
+	 * @return int
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _total_registrations_today()
+	{
+		$EVT_ID = isset($this->_req_data['event_id']) ? absint($this->_req_data['event_id']) : false;
+		$_where = $EVT_ID ? array('EVT_ID' => $EVT_ID) : array();
+		$current_date = date('Y-m-d', current_time('timestamp'));
+		$time_start = ' 00:00:00';
+		$time_end = ' 23:59:59';
+		$_where['REG_date'] = array(
+			'BETWEEN',
+			array(
+				EEM_Registration::instance()->convert_datetime_for_query(
+					'REG_date',
+					$current_date . $time_start,
+					'Y-m-d H:i:s'
+				),
+				EEM_Registration::instance()->convert_datetime_for_query(
+					'REG_date',
+					$current_date . $time_end,
+					'Y-m-d H:i:s'
+				),
+			),
+		);
+		$_where['STS_ID'] = array('!=', EEM_Registration::status_id_incomplete);
+		return EEM_Registration::instance()->count(array($_where));
+	}
 
 
-    /**
-     * column_cb
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function column_cb($item)
-    {
-        /** checkbox/lock **/
-        $transaction = $item->get_first_related('Transaction');
-        $payment_count = $transaction instanceof EE_Transaction
-            ? $transaction->count_related('Payment')
-            : 0;
-        return $payment_count > 0
-               || ! EE_Registry::instance()->CAP->current_user_can(
-                   'ee_edit_registration',
-                   'registration_list_table_checkbox_input',
-                   $item->ID()
-               )
-            ? sprintf('<input type="checkbox" name="_REG_ID[]" value="%1$d" />', $item->ID())
-              . '<span class="ee-lock-icon"></span>'
-            : sprintf('<input type="checkbox" name="_REG_ID[]" value="%1$d" />', $item->ID());
-    }
+	/**
+	 * column_cb
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function column_cb($item)
+	{
+		/** checkbox/lock **/
+		$transaction = $item->get_first_related('Transaction');
+		$payment_count = $transaction instanceof EE_Transaction
+			? $transaction->count_related('Payment')
+			: 0;
+		return $payment_count > 0
+			   || ! EE_Registry::instance()->CAP->current_user_can(
+				   'ee_edit_registration',
+				   'registration_list_table_checkbox_input',
+				   $item->ID()
+			   )
+			? sprintf('<input type="checkbox" name="_REG_ID[]" value="%1$d" />', $item->ID())
+			  . '<span class="ee-lock-icon"></span>'
+			: sprintf('<input type="checkbox" name="_REG_ID[]" value="%1$d" />', $item->ID());
+	}
 
 
-    /**
-     * column__REG_ID
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function column__REG_ID(EE_Registration $item)
-    {
-        $attendee = $item->attendee();
-        $content = $item->ID();
-        $content .= '<div class="show-on-mobile-view-only">';
-        $content .= '<br>';
-        $content .= $attendee instanceof EE_Attendee ? $attendee->full_name() : '';
-        $content .= '&nbsp;' . sprintf(__('(%1$s / %2$s)', 'event_espresso'), $item->count(), $item->group_size());
-        $content .= '<br>' . sprintf(__('Reg Code: %s', 'event_espresso'), $item->get('REG_code'));
-        $content .= '</div>';
-        return $content;
-    }
+	/**
+	 * column__REG_ID
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function column__REG_ID(EE_Registration $item)
+	{
+		$attendee = $item->attendee();
+		$content = $item->ID();
+		$content .= '<div class="show-on-mobile-view-only">';
+		$content .= '<br>';
+		$content .= $attendee instanceof EE_Attendee ? $attendee->full_name() : '';
+		$content .= '&nbsp;' . sprintf(__('(%1$s / %2$s)', 'event_espresso'), $item->count(), $item->group_size());
+		$content .= '<br>' . sprintf(__('Reg Code: %s', 'event_espresso'), $item->get('REG_code'));
+		$content .= '</div>';
+		return $content;
+	}
 
 
-    /**
-     * column__REG_date
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function column__REG_date(EE_Registration $item)
-    {
-        $this->_set_related_details($item);
-        // Build row actions
-        $view_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action' => 'view_transaction',
-                'TXN_ID' => $this->_transaction_details['id'],
-            ),
-            TXN_ADMIN_URL
-        );
-        $view_link = EE_Registry::instance()->CAP->current_user_can(
-            'ee_read_transaction',
-            'espresso_transactions_view_transaction'
-        )
-            ? '<a class="ee-status-color-'
-              . $this->_transaction_details['status']
-              . '" href="'
-              . $view_lnk_url
-              . '" title="'
-              . esc_attr($this->_transaction_details['title_attr'])
-              . '">'
-              . $item->get_i18n_datetime('REG_date')
-              . '</a>' : $item->get_i18n_datetime('REG_date');
-        $view_link .= '<br><span class="ee-status-text-small">'
-                      . EEH_Template::pretty_status($this->_transaction_details['status'], false, 'sentence')
-                      . '</span>';
-        return $view_link;
-    }
+	/**
+	 * column__REG_date
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function column__REG_date(EE_Registration $item)
+	{
+		$this->_set_related_details($item);
+		// Build row actions
+		$view_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action' => 'view_transaction',
+				'TXN_ID' => $this->_transaction_details['id'],
+			),
+			TXN_ADMIN_URL
+		);
+		$view_link = EE_Registry::instance()->CAP->current_user_can(
+			'ee_read_transaction',
+			'espresso_transactions_view_transaction'
+		)
+			? '<a class="ee-status-color-'
+			  . $this->_transaction_details['status']
+			  . '" href="'
+			  . $view_lnk_url
+			  . '" title="'
+			  . esc_attr($this->_transaction_details['title_attr'])
+			  . '">'
+			  . $item->get_i18n_datetime('REG_date')
+			  . '</a>' : $item->get_i18n_datetime('REG_date');
+		$view_link .= '<br><span class="ee-status-text-small">'
+					  . EEH_Template::pretty_status($this->_transaction_details['status'], false, 'sentence')
+					  . '</span>';
+		return $view_link;
+	}
 
 
-    /**
-     * column_event_name
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function column_event_name(EE_Registration $item)
-    {
-        $this->_set_related_details($item);
-        // page=espresso_events&action=edit_event&EVT_ID=2&edit_event_nonce=cf3a7e5b62
-        $EVT_ID = $item->event_ID();
-        $event_name = $item->event_name();
-        $event_name = $event_name ? $event_name : __("No Associated Event", 'event_espresso');
-        $event_name = wp_trim_words($event_name, 30, '...');
-        if ($EVT_ID) {
-            $edit_event_url = EE_Admin_Page::add_query_args_and_nonce(
-                array('action' => 'edit', 'post' => $EVT_ID),
-                EVENTS_ADMIN_URL
-            );
-            $edit_event = EE_Registry::instance()->CAP->current_user_can('ee_edit_event', 'edit_event', $EVT_ID)
-                ? '<a class="ee-status-color-'
-                  . $this->_event_details['status']
-                  . '" href="'
-                  . $edit_event_url
-                  . '" title="'
-                  . esc_attr($this->_event_details['title_attr'])
-                  . '">'
-                  . $event_name
-                  . '</a>' : $event_name;
-            $edit_event_url = EE_Admin_Page::add_query_args_and_nonce(array('event_id' => $EVT_ID), REG_ADMIN_URL);
-            $actions['event_filter'] = '<a href="' . $edit_event_url . '" title="';
-            $actions['event_filter'] .= sprintf(
-                esc_attr__('Filter this list to only show registrations for %s', 'event_espresso'),
-                $event_name
-            );
-            $actions['event_filter'] .= '">' . __('View Registrations', 'event_espresso') . '</a>';
-        } else {
-            $edit_event = $event_name;
-            $actions['event_filter'] = '';
-        }
-        return sprintf('%1$s %2$s', $edit_event, $this->row_actions($actions));
-    }
+	/**
+	 * column_event_name
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function column_event_name(EE_Registration $item)
+	{
+		$this->_set_related_details($item);
+		// page=espresso_events&action=edit_event&EVT_ID=2&edit_event_nonce=cf3a7e5b62
+		$EVT_ID = $item->event_ID();
+		$event_name = $item->event_name();
+		$event_name = $event_name ? $event_name : __("No Associated Event", 'event_espresso');
+		$event_name = wp_trim_words($event_name, 30, '...');
+		if ($EVT_ID) {
+			$edit_event_url = EE_Admin_Page::add_query_args_and_nonce(
+				array('action' => 'edit', 'post' => $EVT_ID),
+				EVENTS_ADMIN_URL
+			);
+			$edit_event = EE_Registry::instance()->CAP->current_user_can('ee_edit_event', 'edit_event', $EVT_ID)
+				? '<a class="ee-status-color-'
+				  . $this->_event_details['status']
+				  . '" href="'
+				  . $edit_event_url
+				  . '" title="'
+				  . esc_attr($this->_event_details['title_attr'])
+				  . '">'
+				  . $event_name
+				  . '</a>' : $event_name;
+			$edit_event_url = EE_Admin_Page::add_query_args_and_nonce(array('event_id' => $EVT_ID), REG_ADMIN_URL);
+			$actions['event_filter'] = '<a href="' . $edit_event_url . '" title="';
+			$actions['event_filter'] .= sprintf(
+				esc_attr__('Filter this list to only show registrations for %s', 'event_espresso'),
+				$event_name
+			);
+			$actions['event_filter'] .= '">' . __('View Registrations', 'event_espresso') . '</a>';
+		} else {
+			$edit_event = $event_name;
+			$actions['event_filter'] = '';
+		}
+		return sprintf('%1$s %2$s', $edit_event, $this->row_actions($actions));
+	}
 
 
-    /**
-     * column_DTT_EVT_start
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function column_DTT_EVT_start(EE_Registration $item)
-    {
-        $datetime_strings = array();
-        $ticket = $item->ticket(true);
-        if ($ticket instanceof EE_Ticket) {
-            $remove_defaults = array('default_where_conditions' => 'none');
-            $datetimes = $ticket->datetimes($remove_defaults);
-            foreach ($datetimes as $datetime) {
-                $datetime_strings[] = $datetime->get_i18n_datetime('DTT_EVT_start');
-            }
-            return $this->generateDisplayForDatetimes($datetime_strings);
-        }
-        return __('There is no ticket on this registration', 'event_espresso');
-    }
+	/**
+	 * column_DTT_EVT_start
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function column_DTT_EVT_start(EE_Registration $item)
+	{
+		$datetime_strings = array();
+		$ticket = $item->ticket(true);
+		if ($ticket instanceof EE_Ticket) {
+			$remove_defaults = array('default_where_conditions' => 'none');
+			$datetimes = $ticket->datetimes($remove_defaults);
+			foreach ($datetimes as $datetime) {
+				$datetime_strings[] = $datetime->get_i18n_datetime('DTT_EVT_start');
+			}
+			return $this->generateDisplayForDatetimes($datetime_strings);
+		}
+		return __('There is no ticket on this registration', 'event_espresso');
+	}
 
 
-    /**
-     * Receives an array of datetime strings to display and converts them to the html container for the column.
-     *
-     * @param array $datetime_strings
-     * @return string
-     */
-    public function generateDisplayForDateTimes(array $datetime_strings)
-    {
-        $content = '<div class="ee-registration-event-datetimes-container">';
-        $expand_toggle = count($datetime_strings) > 1
-            ? ' <span title="' . esc_attr__('Click to view all dates', 'event_espresso')
-              . '" class="ee-js ee-more-datetimes-toggle dashicons dashicons-plus"></span>'
-            : '';
-        // get first item for initial visibility
-        $content .= '<div class="left">' . array_shift($datetime_strings) . '</div>';
-        $content .= $expand_toggle;
-        if ($datetime_strings) {
-            $content .= '<div style="clear:both"></div>';
-            $content .= '<div class="ee-registration-event-datetimes-container more-items hidden">';
-            $content .= implode("<br />", $datetime_strings);
-            $content .= '</div>';
-        }
-        $content .= '</div>';
-        return $content;
-    }
+	/**
+	 * Receives an array of datetime strings to display and converts them to the html container for the column.
+	 *
+	 * @param array $datetime_strings
+	 * @return string
+	 */
+	public function generateDisplayForDateTimes(array $datetime_strings)
+	{
+		$content = '<div class="ee-registration-event-datetimes-container">';
+		$expand_toggle = count($datetime_strings) > 1
+			? ' <span title="' . esc_attr__('Click to view all dates', 'event_espresso')
+			  . '" class="ee-js ee-more-datetimes-toggle dashicons dashicons-plus"></span>'
+			: '';
+		// get first item for initial visibility
+		$content .= '<div class="left">' . array_shift($datetime_strings) . '</div>';
+		$content .= $expand_toggle;
+		if ($datetime_strings) {
+			$content .= '<div style="clear:both"></div>';
+			$content .= '<div class="ee-registration-event-datetimes-container more-items hidden">';
+			$content .= implode("<br />", $datetime_strings);
+			$content .= '</div>';
+		}
+		$content .= '</div>';
+		return $content;
+	}
 
 
-    /**
-     * column_ATT_fname
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function column_ATT_fname(EE_Registration $item)
-    {
-        $attendee = $item->attendee();
-        $edit_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action'  => 'view_registration',
-                '_REG_ID' => $item->ID(),
-            ),
-            REG_ADMIN_URL
-        );
-        $attendee_name = $attendee instanceof EE_Attendee ? $attendee->full_name() : '';
-        $link = EE_Registry::instance()->CAP->current_user_can(
-            'ee_read_registration',
-            'espresso_registrations_view_registration',
-            $item->ID()
-        )
-            ? '<a href="'
-              . $edit_lnk_url
-              . '" title="'
-              . esc_attr__('View Registration Details', 'event_espresso')
-              . '">'
-              . $attendee_name
-              . '</a>' : $attendee_name;
-        $link .= $item->count() === 1
-            ? '&nbsp;<sup><div class="dashicons dashicons-star-filled lt-blue-icon ee-icon-size-8"></div></sup>' : '';
-        $t = $item->get_first_related('Transaction');
-        $payment_count = $t instanceof EE_Transaction ? $t->count_related('Payment') : 0;
-        // append group count to name
-        $link .= '&nbsp;' . sprintf(__('(%1$s / %2$s)', 'event_espresso'), $item->count(), $item->group_size());
-        // append reg_code
-        $link .= '<br>' . sprintf(__('Reg Code: %s', 'event_espresso'), $item->get('REG_code'));
-        // reg status text for accessibility
-        $link .= '<br><span class="ee-status-text-small">'
-                 . EEH_Template::pretty_status($item->status_ID(), false, 'sentence')
-                 . '</span>';
-        $action = [ '_REG_ID' => $item->ID() ];
-        if (isset($this->_req_data['event_id'])) {
-            $action['event_id'] = $item->event_ID();
-        }
-        // trash/restore/delete actions
-        $actions = array();
-        if ($this->_view !== 'trash'
-            && $payment_count === 0
-            && EE_Registry::instance()->CAP->current_user_can(
-                'ee_delete_registration',
-                'espresso_registrations_trash_registrations',
-                $item->ID()
-            )) {
-            $action['action'] = 'trash_registrations';
-            $trash_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-                $action,
-                REG_ADMIN_URL
-            );
-            $actions['trash'] = '<a href="'
-                                . $trash_lnk_url
-                                . '" title="'
-                                . esc_attr__('Trash Registration', 'event_espresso')
-                                . '">' . __('Trash', 'event_espresso') . '</a>';
-        } elseif ($this->_view === 'trash') {
-            // restore registration link
-            if (EE_Registry::instance()->CAP->current_user_can(
-                'ee_delete_registration',
-                'espresso_registrations_restore_registrations',
-                $item->ID()
-            )) {
-                $action['action'] = 'restore_registrations';
-                $restore_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-                    $action,
-                    REG_ADMIN_URL
-                );
-                $actions['restore'] = '<a href="'
-                                      . $restore_lnk_url
-                                      . '" title="'
-                                      . esc_attr__('Restore Registration', 'event_espresso') . '">'
-                                      . __('Restore', 'event_espresso') . '</a>';
-            }
-            if (EE_Registry::instance()->CAP->current_user_can(
-                'ee_delete_registration',
-                'espresso_registrations_ee_delete_registrations',
-                $item->ID()
-            )) {
-                $action['action'] = 'delete_registrations';
-                $delete_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-                    $action,
-                    REG_ADMIN_URL
-                );
-                $actions['delete'] = '<a href="'
-                                     . $delete_lnk_url
-                                     . '" title="'
-                                     . esc_attr__('Delete Registration Permanently', 'event_espresso')
-                                     . '">'
-                                     . __('Delete', 'event_espresso')
-                                     . '</a>';
-            }
-        }
-        return sprintf('%1$s %2$s', $link, $this->row_actions($actions));
-    }
+	/**
+	 * column_ATT_fname
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function column_ATT_fname(EE_Registration $item)
+	{
+		$attendee = $item->attendee();
+		$edit_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action'  => 'view_registration',
+				'_REG_ID' => $item->ID(),
+			),
+			REG_ADMIN_URL
+		);
+		$attendee_name = $attendee instanceof EE_Attendee ? $attendee->full_name() : '';
+		$link = EE_Registry::instance()->CAP->current_user_can(
+			'ee_read_registration',
+			'espresso_registrations_view_registration',
+			$item->ID()
+		)
+			? '<a href="'
+			  . $edit_lnk_url
+			  . '" title="'
+			  . esc_attr__('View Registration Details', 'event_espresso')
+			  . '">'
+			  . $attendee_name
+			  . '</a>' : $attendee_name;
+		$link .= $item->count() === 1
+			? '&nbsp;<sup><div class="dashicons dashicons-star-filled lt-blue-icon ee-icon-size-8"></div></sup>' : '';
+		$t = $item->get_first_related('Transaction');
+		$payment_count = $t instanceof EE_Transaction ? $t->count_related('Payment') : 0;
+		// append group count to name
+		$link .= '&nbsp;' . sprintf(__('(%1$s / %2$s)', 'event_espresso'), $item->count(), $item->group_size());
+		// append reg_code
+		$link .= '<br>' . sprintf(__('Reg Code: %s', 'event_espresso'), $item->get('REG_code'));
+		// reg status text for accessibility
+		$link .= '<br><span class="ee-status-text-small">'
+				 . EEH_Template::pretty_status($item->status_ID(), false, 'sentence')
+				 . '</span>';
+		$action = [ '_REG_ID' => $item->ID() ];
+		if (isset($this->_req_data['event_id'])) {
+			$action['event_id'] = $item->event_ID();
+		}
+		// trash/restore/delete actions
+		$actions = array();
+		if ($this->_view !== 'trash'
+			&& $payment_count === 0
+			&& EE_Registry::instance()->CAP->current_user_can(
+				'ee_delete_registration',
+				'espresso_registrations_trash_registrations',
+				$item->ID()
+			)) {
+			$action['action'] = 'trash_registrations';
+			$trash_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+				$action,
+				REG_ADMIN_URL
+			);
+			$actions['trash'] = '<a href="'
+								. $trash_lnk_url
+								. '" title="'
+								. esc_attr__('Trash Registration', 'event_espresso')
+								. '">' . __('Trash', 'event_espresso') . '</a>';
+		} elseif ($this->_view === 'trash') {
+			// restore registration link
+			if (EE_Registry::instance()->CAP->current_user_can(
+				'ee_delete_registration',
+				'espresso_registrations_restore_registrations',
+				$item->ID()
+			)) {
+				$action['action'] = 'restore_registrations';
+				$restore_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+					$action,
+					REG_ADMIN_URL
+				);
+				$actions['restore'] = '<a href="'
+									  . $restore_lnk_url
+									  . '" title="'
+									  . esc_attr__('Restore Registration', 'event_espresso') . '">'
+									  . __('Restore', 'event_espresso') . '</a>';
+			}
+			if (EE_Registry::instance()->CAP->current_user_can(
+				'ee_delete_registration',
+				'espresso_registrations_ee_delete_registrations',
+				$item->ID()
+			)) {
+				$action['action'] = 'delete_registrations';
+				$delete_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+					$action,
+					REG_ADMIN_URL
+				);
+				$actions['delete'] = '<a href="'
+									 . $delete_lnk_url
+									 . '" title="'
+									 . esc_attr__('Delete Registration Permanently', 'event_espresso')
+									 . '">'
+									 . __('Delete', 'event_espresso')
+									 . '</a>';
+			}
+		}
+		return sprintf('%1$s %2$s', $link, $this->row_actions($actions));
+	}
 
 
-    /**
-     * column_ATT_email
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function column_ATT_email(EE_Registration $item)
-    {
-        $attendee = $item->get_first_related('Attendee');
-        return ! $attendee instanceof EE_Attendee ? __('No attached contact record.', 'event_espresso')
-            : $attendee->email();
-    }
+	/**
+	 * column_ATT_email
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function column_ATT_email(EE_Registration $item)
+	{
+		$attendee = $item->get_first_related('Attendee');
+		return ! $attendee instanceof EE_Attendee ? __('No attached contact record.', 'event_espresso')
+			: $attendee->email();
+	}
 
 
-    /**
-     * column__REG_count
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     */
-    public function column__REG_count(EE_Registration $item)
-    {
-        return sprintf(__('%1$s / %2$s', 'event_espresso'), $item->count(), $item->group_size());
-    }
+	/**
+	 * column__REG_count
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 */
+	public function column__REG_count(EE_Registration $item)
+	{
+		return sprintf(__('%1$s / %2$s', 'event_espresso'), $item->count(), $item->group_size());
+	}
 
 
-    /**
-     * column_PRC_amount
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     */
-    public function column_PRC_amount(EE_Registration $item)
-    {
-        $ticket = $item->ticket();
-        $content = isset($_GET['event_id']) && $ticket instanceof EE_Ticket ? '<span class="TKT_name">'
-                                                                              . $ticket->name()
-                                                                              . '</span><br />' : '';
-        if ($item->final_price() > 0) {
-            $content .= '<span class="reg-pad-rght">' . $item->pretty_final_price() . '</span>';
-        } else {
-            // free event
-            $content .= '<span class="reg-overview-free-event-spn reg-pad-rght">'
-                        . __('free', 'event_espresso')
-                        . '</span>';
-        }
-        return $content;
-    }
+	/**
+	 * column_PRC_amount
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function column_PRC_amount(EE_Registration $item)
+	{
+		$ticket = $item->ticket();
+		$content = isset($_GET['event_id']) && $ticket instanceof EE_Ticket ? '<span class="TKT_name">'
+																			  . $ticket->name()
+																			  . '</span><br />' : '';
+		if ($item->final_price() > 0) {
+			$content .= '<span class="reg-pad-rght">' . $item->pretty_final_price() . '</span>';
+		} else {
+			// free event
+			$content .= '<span class="reg-overview-free-event-spn reg-pad-rght">'
+						. __('free', 'event_espresso')
+						. '</span>';
+		}
+		return $content;
+	}
 
 
-    /**
-     * column__REG_final_price
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     */
-    public function column__REG_final_price(EE_Registration $item)
-    {
-        $ticket = $item->ticket();
-        $content = isset($_GET['event_id']) || ! $ticket instanceof EE_Ticket
-            ? ''
-            : '<span class="TKT_name">'
-              . $ticket->name()
-              . '</span><br />';
-        $content .= '<span class="reg-pad-rght">' . $item->pretty_final_price() . '</span>';
-        return $content;
-    }
+	/**
+	 * column__REG_final_price
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function column__REG_final_price(EE_Registration $item)
+	{
+		$ticket = $item->ticket();
+		$content = isset($_GET['event_id']) || ! $ticket instanceof EE_Ticket
+			? ''
+			: '<span class="TKT_name">'
+			  . $ticket->name()
+			  . '</span><br />';
+		$content .= '<span class="reg-pad-rght">' . $item->pretty_final_price() . '</span>';
+		return $content;
+	}
 
 
-    /**
-     * column__REG_paid
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     */
-    public function column__REG_paid(EE_Registration $item)
-    {
-        $payment_method = $item->payment_method();
-        $payment_method_name = $payment_method instanceof EE_Payment_Method ? $payment_method->admin_name()
-            : __('Unknown', 'event_espresso');
-        $content = '<span class="reg-pad-rght">' . $item->pretty_paid() . '</span>';
-        if ($item->paid() > 0) {
-            $content .= '<br><span class="ee-status-text-small">'
-                        . sprintf(
-                            __('...via %s', 'event_espresso'),
-                            $payment_method_name
-                        )
-                        . '</span>';
-        }
-        return $content;
-    }
+	/**
+	 * column__REG_paid
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function column__REG_paid(EE_Registration $item)
+	{
+		$payment_method = $item->payment_method();
+		$payment_method_name = $payment_method instanceof EE_Payment_Method ? $payment_method->admin_name()
+			: __('Unknown', 'event_espresso');
+		$content = '<span class="reg-pad-rght">' . $item->pretty_paid() . '</span>';
+		if ($item->paid() > 0) {
+			$content .= '<br><span class="ee-status-text-small">'
+						. sprintf(
+							__('...via %s', 'event_espresso'),
+							$payment_method_name
+						)
+						. '</span>';
+		}
+		return $content;
+	}
 
 
-    /**
-     * column_TXN_total
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function column_TXN_total(EE_Registration $item)
-    {
-        if ($item->transaction()) {
-            $view_txn_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-                array(
-                    'action' => 'view_transaction',
-                    'TXN_ID' => $item->transaction_ID(),
-                ),
-                TXN_ADMIN_URL
-            );
-            return EE_Registry::instance()->CAP->current_user_can(
-                'ee_read_transaction',
-                'espresso_transactions_view_transaction',
-                $item->transaction_ID()
-            )
-                ? '<span class="reg-pad-rght"><a class="status-'
-                  . $item->transaction()->status_ID()
-                  . '" href="'
-                  . $view_txn_lnk_url
-                  . '"  title="'
-                  . esc_attr__('View Transaction', 'event_espresso')
-                  . '">'
-                  . $item->transaction()->pretty_total()
-                  . '</a></span>' : '<span class="reg-pad-rght">' . $item->transaction()->pretty_total() . '</span>';
-        } else {
-            return __("None", "event_espresso");
-        }
-    }
+	/**
+	 * column_TXN_total
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function column_TXN_total(EE_Registration $item)
+	{
+		if ($item->transaction()) {
+			$view_txn_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+				array(
+					'action' => 'view_transaction',
+					'TXN_ID' => $item->transaction_ID(),
+				),
+				TXN_ADMIN_URL
+			);
+			return EE_Registry::instance()->CAP->current_user_can(
+				'ee_read_transaction',
+				'espresso_transactions_view_transaction',
+				$item->transaction_ID()
+			)
+				? '<span class="reg-pad-rght"><a class="status-'
+				  . $item->transaction()->status_ID()
+				  . '" href="'
+				  . $view_txn_lnk_url
+				  . '"  title="'
+				  . esc_attr__('View Transaction', 'event_espresso')
+				  . '">'
+				  . $item->transaction()->pretty_total()
+				  . '</a></span>' : '<span class="reg-pad-rght">' . $item->transaction()->pretty_total() . '</span>';
+		} else {
+			return __("None", "event_espresso");
+		}
+	}
 
 
-    /**
-     * column_TXN_paid
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws EntityNotFoundException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function column_TXN_paid(EE_Registration $item)
-    {
-        if ($item->count() === 1) {
-            $transaction = $item->transaction() ? $item->transaction() : EE_Transaction::new_instance();
-            if ($transaction->paid() >= $transaction->total()) {
-                return '<span class="reg-pad-rght"><div class="dashicons dashicons-yes green-icon"></div></span>';
-            } else {
-                $view_txn_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-                    array(
-                        'action' => 'view_transaction',
-                        'TXN_ID' => $item->transaction_ID(),
-                    ),
-                    TXN_ADMIN_URL
-                );
-                return EE_Registry::instance()->CAP->current_user_can(
-                    'ee_read_transaction',
-                    'espresso_transactions_view_transaction',
-                    $item->transaction_ID()
-                )
-                    ? '<span class="reg-pad-rght"><a class="status-'
-                      . $transaction->status_ID()
-                      . '" href="'
-                      . $view_txn_lnk_url
-                      . '"  title="'
-                      . esc_attr__('View Transaction', 'event_espresso')
-                      . '">'
-                      . $item->transaction()->pretty_paid()
-                      . '</a><span>' : '<span class="reg-pad-rght">' . $item->transaction()->pretty_paid() . '</span>';
-            }
-        }
-        return '&nbsp;';
-    }
+	/**
+	 * column_TXN_paid
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws EntityNotFoundException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function column_TXN_paid(EE_Registration $item)
+	{
+		if ($item->count() === 1) {
+			$transaction = $item->transaction() ? $item->transaction() : EE_Transaction::new_instance();
+			if ($transaction->paid() >= $transaction->total()) {
+				return '<span class="reg-pad-rght"><div class="dashicons dashicons-yes green-icon"></div></span>';
+			} else {
+				$view_txn_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+					array(
+						'action' => 'view_transaction',
+						'TXN_ID' => $item->transaction_ID(),
+					),
+					TXN_ADMIN_URL
+				);
+				return EE_Registry::instance()->CAP->current_user_can(
+					'ee_read_transaction',
+					'espresso_transactions_view_transaction',
+					$item->transaction_ID()
+				)
+					? '<span class="reg-pad-rght"><a class="status-'
+					  . $transaction->status_ID()
+					  . '" href="'
+					  . $view_txn_lnk_url
+					  . '"  title="'
+					  . esc_attr__('View Transaction', 'event_espresso')
+					  . '">'
+					  . $item->transaction()->pretty_paid()
+					  . '</a><span>' : '<span class="reg-pad-rght">' . $item->transaction()->pretty_paid() . '</span>';
+			}
+		}
+		return '&nbsp;';
+	}
 
 
-    /**
-     * column_actions
-     *
-     * @access public
-     * @param \EE_Registration $item
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function column_actions(EE_Registration $item)
-    {
-        $actions = array();
-        $attendee = $item->attendee();
-        $this->_set_related_details($item);
-        // Build row actions
-        $view_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action'  => 'view_registration',
-                '_REG_ID' => $item->ID(),
-            ),
-            REG_ADMIN_URL
-        );
-        $edit_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action' => 'edit_attendee',
-                'post'   => $item->attendee_ID(),
-            ),
-            REG_ADMIN_URL
-        );
-        // page=attendees&event_admin_reports=resend_email&registration_id=43653465634&event_id=2&form_action=resend_email
-        // $resend_reg_lnk_url_params = array( 'action'=>'resend_registration', '_REG_ID'=>$item->REG_ID );
-        $resend_reg_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action'  => 'resend_registration',
-                '_REG_ID' => $item->ID(),
-            ),
-            REG_ADMIN_URL,
-            true
-        );
-        // Build row actions
-        $actions['view_lnk'] = EE_Registry::instance()->CAP->current_user_can(
-            'ee_read_registration',
-            'espresso_registrations_view_registration',
-            $item->ID()
-        ) ? '<li><a href="'
-            . $view_lnk_url
-            . '" title="'
-            . esc_attr__('View Registration Details', 'event_espresso')
-            . '" class="tiny-text">
+	/**
+	 * column_actions
+	 *
+	 * @access public
+	 * @param \EE_Registration $item
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function column_actions(EE_Registration $item)
+	{
+		$actions = array();
+		$attendee = $item->attendee();
+		$this->_set_related_details($item);
+		// Build row actions
+		$view_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action'  => 'view_registration',
+				'_REG_ID' => $item->ID(),
+			),
+			REG_ADMIN_URL
+		);
+		$edit_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action' => 'edit_attendee',
+				'post'   => $item->attendee_ID(),
+			),
+			REG_ADMIN_URL
+		);
+		// page=attendees&event_admin_reports=resend_email&registration_id=43653465634&event_id=2&form_action=resend_email
+		// $resend_reg_lnk_url_params = array( 'action'=>'resend_registration', '_REG_ID'=>$item->REG_ID );
+		$resend_reg_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action'  => 'resend_registration',
+				'_REG_ID' => $item->ID(),
+			),
+			REG_ADMIN_URL,
+			true
+		);
+		// Build row actions
+		$actions['view_lnk'] = EE_Registry::instance()->CAP->current_user_can(
+			'ee_read_registration',
+			'espresso_registrations_view_registration',
+			$item->ID()
+		) ? '<li><a href="'
+			. $view_lnk_url
+			. '" title="'
+			. esc_attr__('View Registration Details', 'event_espresso')
+			. '" class="tiny-text">
 				<div class="dashicons dashicons-clipboard"></div>
 			</a>
 			</li>'
-            : '';
-        $actions['edit_lnk'] = EE_Registry::instance()->CAP->current_user_can(
-            'ee_edit_contacts',
-            'espresso_registrations_edit_attendee'
-        )
-                               && $attendee instanceof EE_Attendee
-            ? '
+			: '';
+		$actions['edit_lnk'] = EE_Registry::instance()->CAP->current_user_can(
+			'ee_edit_contacts',
+			'espresso_registrations_edit_attendee'
+		)
+							   && $attendee instanceof EE_Attendee
+			? '
 			<li>
 			<a href="' . $edit_lnk_url . '" title="'
-              . esc_attr__('Edit Contact Details', 'event_espresso') . '" class="tiny-text">
+			  . esc_attr__('Edit Contact Details', 'event_espresso') . '" class="tiny-text">
 				<div class="ee-icon ee-icon-user-edit ee-icon-size-16"></div>
 			</a>
 			</li>' : '';
-        $actions['resend_reg_lnk'] = $attendee instanceof EE_Attendee
-                                     && EE_Registry::instance()->CAP->current_user_can(
-                                         'ee_send_message',
-                                         'espresso_registrations_resend_registration',
-                                         $item->ID()
-                                     )
-            ? '
+		$actions['resend_reg_lnk'] = $attendee instanceof EE_Attendee
+									 && EE_Registry::instance()->CAP->current_user_can(
+										 'ee_send_message',
+										 'espresso_registrations_resend_registration',
+										 $item->ID()
+									 )
+			? '
 			<li>
 			<a href="'
-              . $resend_reg_lnk_url
-              . '" title="'
-              . esc_attr__('Resend Registration Details', 'event_espresso')
-              . '" class="tiny-text">
+			  . $resend_reg_lnk_url
+			  . '" title="'
+			  . esc_attr__('Resend Registration Details', 'event_espresso')
+			  . '" class="tiny-text">
 				<div class="dashicons dashicons-email-alt"></div>
 			</a>
 			</li>' : '';
-        // page=transactions&action=view_transaction&txn=256&_wpnonce=6414da4dbb
-        $view_txn_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action' => 'view_transaction',
-                'TXN_ID' => $this->_transaction_details['id'],
-            ),
-            TXN_ADMIN_URL
-        );
-        $actions['view_txn_lnk'] = EE_Registry::instance()->CAP->current_user_can(
-            'ee_read_transaction',
-            'espresso_transactions_view_transaction',
-            $this->_transaction_details['id']
-        )
-            ? '
+		// page=transactions&action=view_transaction&txn=256&_wpnonce=6414da4dbb
+		$view_txn_lnk_url = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action' => 'view_transaction',
+				'TXN_ID' => $this->_transaction_details['id'],
+			),
+			TXN_ADMIN_URL
+		);
+		$actions['view_txn_lnk'] = EE_Registry::instance()->CAP->current_user_can(
+			'ee_read_transaction',
+			'espresso_transactions_view_transaction',
+			$this->_transaction_details['id']
+		)
+			? '
 			<li>
 			<a class="ee-status-color-'
-              . $this->_transaction_details['status']
-              . ' tiny-text" href="'
-              . $view_txn_lnk_url
-              . '"  title="'
-              . $this->_transaction_details['title_attr']
-              . '">
+			  . $this->_transaction_details['status']
+			  . ' tiny-text" href="'
+			  . $view_txn_lnk_url
+			  . '"  title="'
+			  . $this->_transaction_details['title_attr']
+			  . '">
 				<div class="dashicons dashicons-cart"></div>
 			</a>
 			</li>' : '';
-        // invoice link
-        $actions['dl_invoice_lnk'] = '';
-        $dl_invoice_lnk_url = $item->invoice_url();
-        // only show invoice link if message type is active.
-        if ($attendee instanceof EE_Attendee
-            && $item->is_primary_registrant()
-            && EEH_MSG_Template::is_mt_active('invoice')
-        ) {
-            $actions['dl_invoice_lnk'] = '
+		// invoice link
+		$actions['dl_invoice_lnk'] = '';
+		$dl_invoice_lnk_url = $item->invoice_url();
+		// only show invoice link if message type is active.
+		if ($attendee instanceof EE_Attendee
+			&& $item->is_primary_registrant()
+			&& EEH_MSG_Template::is_mt_active('invoice')
+		) {
+			$actions['dl_invoice_lnk'] = '
 		<li>
 			<a title="'
-                                         . esc_attr__('View Transaction Invoice', 'event_espresso')
-                                         . '" target="_blank" href="'
-                                         . $dl_invoice_lnk_url
-                                         . '" class="tiny-text">
+										 . esc_attr__('View Transaction Invoice', 'event_espresso')
+										 . '" target="_blank" href="'
+										 . $dl_invoice_lnk_url
+										 . '" class="tiny-text">
 				<span class="dashicons dashicons-media-spreadsheet ee-icon-size-18"></span>
 			</a>
 		</li>';
-        }
-        $actions['filtered_messages_link'] = '';
-        // message list table link (filtered by REG_ID
-        if (EE_Registry::instance()->CAP->current_user_can('ee_read_global_messages', 'view_filtered_messages')) {
-            $actions['filtered_messages_link'] = '<li>'
-                                                 . EEH_MSG_Template::get_message_action_link(
-                                                     'see_notifications_for',
-                                                     null,
-                                                     array('_REG_ID' => $item->ID())
-                                                 ) . '</li>';
-        }
-        $actions = apply_filters('FHEE__EE_Registrations_List_Table__column_actions__actions', $actions, $item, $this);
-        return $this->_action_string(implode('', $actions), $item, 'ul', 'reg-overview-actions-ul');
-    }
+		}
+		$actions['filtered_messages_link'] = '';
+		// message list table link (filtered by REG_ID
+		if (EE_Registry::instance()->CAP->current_user_can('ee_read_global_messages', 'view_filtered_messages')) {
+			$actions['filtered_messages_link'] = '<li>'
+												 . EEH_MSG_Template::get_message_action_link(
+													 'see_notifications_for',
+													 null,
+													 array('_REG_ID' => $item->ID())
+												 ) . '</li>';
+		}
+		$actions = apply_filters('FHEE__EE_Registrations_List_Table__column_actions__actions', $actions, $item, $this);
+		return $this->_action_string(implode('', $actions), $item, 'ul', 'reg-overview-actions-ul');
+	}
 }

Spacing +29 added lines, -29 removed lines

@@ -53,10 +53,10 @@ 
      */
     public function __construct(Registrations_Admin_Page $admin_page)
     {
-        if (! empty($_GET['event_id'])) {
+        if ( ! empty($_GET['event_id'])) {
             $extra_query_args = array();
             foreach ($admin_page->get_views() as $key => $view_details) {
-                $extra_query_args[ $view_details['slug'] ] = array('event_id' => $_GET['event_id']);
+                $extra_query_args[$view_details['slug']] = array('event_id' => $_GET['event_id']);
             }
             $this->_views = $admin_page->get_list_table_view_RLs($extra_query_args);
         }
@@ -156,12 +156,12 @@ 
                 )
             )
         );
-        if (!empty($filters)) {
+        if ( ! empty($filters)) {
             $this->_bottom_buttons['report_filtered']['extra_request']['filters'] = $filters;
         }
         $this->_primary_column = '_REG_ID';
         $this->_sortable_columns = array(
-            '_REG_date'     => array('_REG_date' => true),   // true means its already sorted
+            '_REG_date'     => array('_REG_date' => true), // true means its already sorted
             /**
              * Allows users to change the default sort if they wish.
              * Returning a falsey on this filter will result in the default sort to be by firstname rather than last
@@ -193,7 +193,7 @@ 
     {
         $class = parent::_get_row_class($item);
         // add status class
-        $class .= ' ee-status-strip reg-status-' . $item->status_ID();
+        $class .= ' ee-status-strip reg-status-'.$item->status_ID();
         if ($this->_has_checkbox_column) {
             $class .= ' has-checkbox-column';
         }
@@ -358,12 +358,12 @@ 
         // setup date query.
         $beginning_string = EEM_Registration::instance()->convert_datetime_for_query(
             'REG_date',
-            $this_year_r . '-' . $this_month_r . '-01' . ' ' . $time_start,
+            $this_year_r.'-'.$this_month_r.'-01'.' '.$time_start,
             'Y-m-d H:i:s'
         );
         $end_string = EEM_Registration::instance()->convert_datetime_for_query(
             'REG_date',
-            $this_year_r . '-' . $this_month_r . '-' . $days_this_month . ' ' . $time_end,
+            $this_year_r.'-'.$this_month_r.'-'.$days_this_month.' '.$time_end,
             'Y-m-d H:i:s'
         );
         $_where['REG_date'] = array(
@@ -400,12 +400,12 @@ 
             array(
                 EEM_Registration::instance()->convert_datetime_for_query(
                     'REG_date',
-                    $current_date . $time_start,
+                    $current_date.$time_start,
                     'Y-m-d H:i:s'
                 ),
                 EEM_Registration::instance()->convert_datetime_for_query(
                     'REG_date',
-                    $current_date . $time_end,
+                    $current_date.$time_end,
                     'Y-m-d H:i:s'
                 ),
             ),
@@ -465,8 +465,8 @@ 
         $content .= '<div class="show-on-mobile-view-only">';
         $content .= '<br>';
         $content .= $attendee instanceof EE_Attendee ? $attendee->full_name() : '';
-        $content .= '&nbsp;' . sprintf(__('(%1$s / %2$s)', 'event_espresso'), $item->count(), $item->group_size());
-        $content .= '<br>' . sprintf(__('Reg Code: %s', 'event_espresso'), $item->get('REG_code'));
+        $content .= '&nbsp;'.sprintf(__('(%1$s / %2$s)', 'event_espresso'), $item->count(), $item->group_size());
+        $content .= '<br>'.sprintf(__('Reg Code: %s', 'event_espresso'), $item->get('REG_code'));
         $content .= '</div>';
         return $content;
     }
@@ -551,12 +551,12 @@ 
                   . $event_name
                   . '</a>' : $event_name;
             $edit_event_url = EE_Admin_Page::add_query_args_and_nonce(array('event_id' => $EVT_ID), REG_ADMIN_URL);
-            $actions['event_filter'] = '<a href="' . $edit_event_url . '" title="';
+            $actions['event_filter'] = '<a href="'.$edit_event_url.'" title="';
             $actions['event_filter'] .= sprintf(
                 esc_attr__('Filter this list to only show registrations for %s', 'event_espresso'),
                 $event_name
             );
-            $actions['event_filter'] .= '">' . __('View Registrations', 'event_espresso') . '</a>';
+            $actions['event_filter'] .= '">'.__('View Registrations', 'event_espresso').'</a>';
         } else {
             $edit_event = $event_name;
             $actions['event_filter'] = '';
@@ -603,11 +603,11 @@ 
     {
         $content = '<div class="ee-registration-event-datetimes-container">';
         $expand_toggle = count($datetime_strings) > 1
-            ? ' <span title="' . esc_attr__('Click to view all dates', 'event_espresso')
+            ? ' <span title="'.esc_attr__('Click to view all dates', 'event_espresso')
               . '" class="ee-js ee-more-datetimes-toggle dashicons dashicons-plus"></span>'
             : '';
         // get first item for initial visibility
-        $content .= '<div class="left">' . array_shift($datetime_strings) . '</div>';
+        $content .= '<div class="left">'.array_shift($datetime_strings).'</div>';
         $content .= $expand_toggle;
         if ($datetime_strings) {
             $content .= '<div style="clear:both"></div>';
@@ -660,14 +660,14 @@ 
         $t = $item->get_first_related('Transaction');
         $payment_count = $t instanceof EE_Transaction ? $t->count_related('Payment') : 0;
         // append group count to name
-        $link .= '&nbsp;' . sprintf(__('(%1$s / %2$s)', 'event_espresso'), $item->count(), $item->group_size());
+        $link .= '&nbsp;'.sprintf(__('(%1$s / %2$s)', 'event_espresso'), $item->count(), $item->group_size());
         // append reg_code
-        $link .= '<br>' . sprintf(__('Reg Code: %s', 'event_espresso'), $item->get('REG_code'));
+        $link .= '<br>'.sprintf(__('Reg Code: %s', 'event_espresso'), $item->get('REG_code'));
         // reg status text for accessibility
         $link .= '<br><span class="ee-status-text-small">'
                  . EEH_Template::pretty_status($item->status_ID(), false, 'sentence')
                  . '</span>';
-        $action = [ '_REG_ID' => $item->ID() ];
+        $action = ['_REG_ID' => $item->ID()];
         if (isset($this->_req_data['event_id'])) {
             $action['event_id'] = $item->event_ID();
         }
@@ -689,7 +689,7 @@ 
                                 . $trash_lnk_url
                                 . '" title="'
                                 . esc_attr__('Trash Registration', 'event_espresso')
-                                . '">' . __('Trash', 'event_espresso') . '</a>';
+                                . '">'.__('Trash', 'event_espresso').'</a>';
         } elseif ($this->_view === 'trash') {
             // restore registration link
             if (EE_Registry::instance()->CAP->current_user_can(
@@ -705,8 +705,8 @@ 
                 $actions['restore'] = '<a href="'
                                       . $restore_lnk_url
                                       . '" title="'
-                                      . esc_attr__('Restore Registration', 'event_espresso') . '">'
-                                      . __('Restore', 'event_espresso') . '</a>';
+                                      . esc_attr__('Restore Registration', 'event_espresso').'">'
+                                      . __('Restore', 'event_espresso').'</a>';
             }
             if (EE_Registry::instance()->CAP->current_user_can(
                 'ee_delete_registration',
@@ -779,7 +779,7 @@ 
                                                                               . $ticket->name()
                                                                               . '</span><br />' : '';
         if ($item->final_price() > 0) {
-            $content .= '<span class="reg-pad-rght">' . $item->pretty_final_price() . '</span>';
+            $content .= '<span class="reg-pad-rght">'.$item->pretty_final_price().'</span>';
         } else {
             // free event
             $content .= '<span class="reg-overview-free-event-spn reg-pad-rght">'
@@ -806,7 +806,7 @@ 
             : '<span class="TKT_name">'
               . $ticket->name()
               . '</span><br />';
-        $content .= '<span class="reg-pad-rght">' . $item->pretty_final_price() . '</span>';
+        $content .= '<span class="reg-pad-rght">'.$item->pretty_final_price().'</span>';
         return $content;
     }
 
@@ -824,7 +824,7 @@ 
         $payment_method = $item->payment_method();
         $payment_method_name = $payment_method instanceof EE_Payment_Method ? $payment_method->admin_name()
             : __('Unknown', 'event_espresso');
-        $content = '<span class="reg-pad-rght">' . $item->pretty_paid() . '</span>';
+        $content = '<span class="reg-pad-rght">'.$item->pretty_paid().'</span>';
         if ($item->paid() > 0) {
             $content .= '<br><span class="ee-status-text-small">'
                         . sprintf(
@@ -872,7 +872,7 @@ 
                   . esc_attr__('View Transaction', 'event_espresso')
                   . '">'
                   . $item->transaction()->pretty_total()
-                  . '</a></span>' : '<span class="reg-pad-rght">' . $item->transaction()->pretty_total() . '</span>';
+                  . '</a></span>' : '<span class="reg-pad-rght">'.$item->transaction()->pretty_total().'</span>';
         } else {
             return __("None", "event_espresso");
         }
@@ -918,7 +918,7 @@ 
                       . esc_attr__('View Transaction', 'event_espresso')
                       . '">'
                       . $item->transaction()->pretty_paid()
-                      . '</a><span>' : '<span class="reg-pad-rght">' . $item->transaction()->pretty_paid() . '</span>';
+                      . '</a><span>' : '<span class="reg-pad-rght">'.$item->transaction()->pretty_paid().'</span>';
             }
         }
         return '&nbsp;';
@@ -988,8 +988,8 @@ 
                                && $attendee instanceof EE_Attendee
             ? '
 			<li>
-			<a href="' . $edit_lnk_url . '" title="'
-              . esc_attr__('Edit Contact Details', 'event_espresso') . '" class="tiny-text">
+			<a href="' . $edit_lnk_url.'" title="'
+              . esc_attr__('Edit Contact Details', 'event_espresso').'" class="tiny-text">
 				<div class="ee-icon ee-icon-user-edit ee-icon-size-16"></div>
 			</a>
 			</li>' : '';
@@ -1061,7 +1061,7 @@ 
                                                      'see_notifications_for',
                                                      null,
                                                      array('_REG_ID' => $item->ID())
-                                                 ) . '</li>';
+                                                 ).'</li>';
         }
         $actions = apply_filters('FHEE__EE_Registrations_List_Table__column_actions__actions', $actions, $item, $this);
         return $this->_action_string(implode('', $actions), $item, 'ul', 'reg-overview-actions-ul');

core/EE_Capabilities.core.php

Doc Comments +3 added lines, -3 removed lines

@@ -805,7 +805,7 @@ 
      * @since                        4.5.0
      *
      * @param string $meta_cap   What meta capability is this mapping.
-     * @param array  $map_values array {
+     * @param string[]  $map_values array {
      *                           //array of values that MUST match a count of 4.  It's okay to send an empty string for
      *                           capabilities that don't get mapped to.
      *
@@ -880,8 +880,8 @@ 
      * @since 4.6.x
      *
      * @param $caps
-     * @param $cap
-     * @param $user_id
+     * @param string $cap
+     * @param integer $user_id
      * @param $args
      *
      * @return array

Spacing +46 added lines, -46 removed lines

@@ -80,7 +80,7 @@ 
     public static function instance()
     {
         // check if instantiated, and if not do so.
-        if (! self::$_instance instanceof EE_Capabilities) {
+        if ( ! self::$_instance instanceof EE_Capabilities) {
             self::$_instance = new self();
         }
         return self::$_instance;
@@ -110,7 +110,7 @@ 
      */
     public function init_caps($reset = false)
     {
-        if (! EE_Maintenance_Mode::instance()->models_can_query()) {
+        if ( ! EE_Maintenance_Mode::instance()->models_can_query()) {
             return false;
         }
         $this->reset = filter_var($reset, FILTER_VALIDATE_BOOLEAN);
@@ -155,7 +155,7 @@ 
             $this->_get_default_meta_caps_array()
         );
         // add filter for map_meta_caps but only if models can query.
-        if (! has_filter('map_meta_cap', array($this, 'map_meta_caps'))) {
+        if ( ! has_filter('map_meta_cap', array($this, 'map_meta_caps'))) {
             add_filter('map_meta_cap', array($this, 'map_meta_caps'), 10, 4);
         }
     }
@@ -314,11 +314,11 @@ 
         if (did_action('AHEE__EE_System__load_espresso_addons__complete')) {
             // loop through our _meta_caps array
             foreach ($this->_meta_caps as $meta_map) {
-                if (! $meta_map instanceof EE_Meta_Capability_Map) {
+                if ( ! $meta_map instanceof EE_Meta_Capability_Map) {
                     continue;
                 }
                 // don't load models if there is no object ID in the args
-                if (! empty($args[0])) {
+                if ( ! empty($args[0])) {
                     $meta_map->ensure_is_model();
                 }
                 $caps = $meta_map->map_meta_caps($caps, $cap, $user_id, $args);
@@ -652,7 +652,7 @@ 
     public function addCaps(array $capabilities_to_add)
     {
         // don't do anything if the capabilities map can not be initialized
-        if (! $this->setupCapabilitiesMap()) {
+        if ( ! $this->setupCapabilitiesMap()) {
             return false;
         }
         // and filter the array so others can get in on the fun during resets
@@ -667,7 +667,7 @@ 
         foreach ($capabilities_to_add as $role => $caps_for_role) {
             if (is_array($caps_for_role)) {
                 foreach ($caps_for_role as $cap) {
-                    if (! $this->capHasBeenAddedToRole($role, $cap)
+                    if ( ! $this->capHasBeenAddedToRole($role, $cap)
                         && $this->add_cap_to_role($role, $cap, true, false)
                     ) {
                         $update_capabilities_map = true;
@@ -693,7 +693,7 @@ 
     public function removeCaps($caps_map)
     {
         // don't do anything if the capabilities map can not be initialized
-        if (! $this->setupCapabilitiesMap()) {
+        if ( ! $this->setupCapabilitiesMap()) {
             return false;
         }
         $update_capabilities_map = false;
@@ -752,7 +752,7 @@ 
         $orig_role = $role;
         $role = $role instanceof WP_Role ? $role : get_role($role);
         // if the role isn't available then we create it.
-        if (! $role instanceof WP_Role) {
+        if ( ! $role instanceof WP_Role) {
             // if a plugin wants to create a specific role name then they should create the role before
             // EE_Capabilities does.  Otherwise this function will create the role name from the slug:
             // - removes any `ee_` namespacing from the start of the slug.
@@ -763,12 +763,12 @@ 
         }
         if ($role instanceof WP_Role) {
             // don't do anything if the capabilities map can not be initialized
-            if (! $this->setupCapabilitiesMap()) {
+            if ( ! $this->setupCapabilitiesMap()) {
                 return false;
             }
-            if (! $this->capHasBeenAddedToRole($role->name, $cap)) {
+            if ( ! $this->capHasBeenAddedToRole($role->name, $cap)) {
                 $role->add_cap($cap, $grant);
-                $this->capabilities_map[ $role->name ][] = $cap;
+                $this->capabilities_map[$role->name][] = $cap;
                 $this->updateCapabilitiesMap($update_capabilities_map);
                 return true;
             }
@@ -792,14 +792,14 @@ 
     public function remove_cap_from_role($role, $cap, $update_capabilities_map = true)
     {
         // don't do anything if the capabilities map can not be initialized
-        if (! $this->setupCapabilitiesMap()) {
+        if ( ! $this->setupCapabilitiesMap()) {
             return false;
         }
 
         $role = $role instanceof WP_Role ? $role : get_role($role);
         if ($role instanceof WP_Role && $index = $this->capHasBeenAddedToRole($role->name, $cap, true)) {
             $role->remove_cap($cap);
-            unset($this->capabilities_map[ $role->name ][ $index ]);
+            unset($this->capabilities_map[$role->name][$index]);
             $this->updateCapabilitiesMap($update_capabilities_map);
             return true;
         }
@@ -815,8 +815,8 @@ 
      */
     private function capHasBeenAddedToRole($role_name = '', $cap = '', $get_index = false)
     {
-        if (isset($this->capabilities_map[ $role_name ])
-            && ($index = array_search($cap, $this->capabilities_map[ $role_name ], true)) !== false
+        if (isset($this->capabilities_map[$role_name])
+            && ($index = array_search($cap, $this->capabilities_map[$role_name], true)) !== false
         ) {
             return $get_index ? $index : true;
         }
@@ -843,7 +843,7 @@ 
     public function current_user_can($cap, $context, $id = 0)
     {
         // apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
-        $filtered_cap = apply_filters('FHEE__EE_Capabilities__current_user_can__cap__' . $context, $cap, $id);
+        $filtered_cap = apply_filters('FHEE__EE_Capabilities__current_user_can__cap__'.$context, $cap, $id);
         $filtered_cap = apply_filters(
             'FHEE__EE_Capabilities__current_user_can__cap',
             $filtered_cap,
@@ -871,7 +871,7 @@ 
     public function user_can($user, $cap, $context, $id = 0)
     {
         // apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
-        $filtered_cap = apply_filters('FHEE__EE_Capabilities__user_can__cap__' . $context, $cap, $user, $id);
+        $filtered_cap = apply_filters('FHEE__EE_Capabilities__user_can__cap__'.$context, $cap, $user, $id);
         $filtered_cap = apply_filters(
             'FHEE__EE_Capabilities__user_can__cap',
             $filtered_cap,
@@ -910,7 +910,7 @@ 
             : current_user_can($blog_id, $cap);
         // apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
         $user_can = apply_filters(
-            'FHEE__EE_Capabilities__current_user_can_for_blog__user_can__' . $context,
+            'FHEE__EE_Capabilities__current_user_can_for_blog__user_can__'.$context,
             $user_can,
             $blog_id,
             $cap,
@@ -939,14 +939,14 @@ 
      */
     public function get_ee_capabilities($role = 'administrator')
     {
-        if (! $this->initialized) {
+        if ( ! $this->initialized) {
             $this->init_caps();
         }
         if (empty($role)) {
             return $this->capabilities_map;
         }
-        return isset($this->capabilities_map[ $role ])
-            ? $this->capabilities_map[ $role ]
+        return isset($this->capabilities_map[$role])
+            ? $this->capabilities_map[$role]
             : array();
     }
 
@@ -977,7 +977,7 @@ 
                         'event_espresso'
                     ),
                     '$reset',
-                    __METHOD__ . '()',
+                    __METHOD__.'()',
                     'EE_Capabilities::init_caps()',
                     'true'
                 ),
@@ -1051,7 +1051,7 @@ 
                         'Incoming $map_values array should have a count of four values in it.  This is what was given: %s',
                         'event_espresso'
                     ),
-                    '<br>' . print_r($map_values, true)
+                    '<br>'.print_r($map_values, true)
                 )
             );
         }
@@ -1091,7 +1091,7 @@ 
         // error proof if the name has EEM in it
         $this->_model_name = str_replace('EEM', '', $this->_model_name);
         $this->_model = EE_Registry::instance()->load_model($this->_model_name);
-        if (! $this->_model instanceof EEM_Base) {
+        if ( ! $this->_model instanceof EEM_Base) {
             throw new EE_Error(
                 sprintf(
                     __(
@@ -1177,7 +1177,7 @@ 
 
         // okay it is a meta cap so let's first remove that cap from the $caps array.
         if (($key = array_search($cap, $caps)) !== false) {
-            unset($caps[ $key ]);
+            unset($caps[$key]);
         }
 
         // cast $user_id to int for later explicit comparisons
@@ -1186,11 +1186,11 @@ 
         /** @var EE_Base_Class $obj */
         $obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
         // if no obj then let's just do cap
-        if (! $obj instanceof EE_Base_Class) {
+        if ( ! $obj instanceof EE_Base_Class) {
             $caps[] = 'do_not_allow';
             return $caps;
         }
-        $caps[] = $cap . 's';
+        $caps[] = $cap.'s';
         if ($obj instanceof EE_CPT_Base) {
             // if the item author is set and the user is the author...
             if ($obj->wp_user() && $user_id === $obj->wp_user()) {
@@ -1200,12 +1200,12 @@ 
                 }
             } else {
                 // the user is trying to edit someone else's obj
-                if (! empty($this->others_cap)) {
+                if ( ! empty($this->others_cap)) {
                     $caps[] = $this->others_cap;
                 }
-                if (! empty($this->published_cap) && $obj->status() === 'publish') {
+                if ( ! empty($this->published_cap) && $obj->status() === 'publish') {
                     $caps[] = $this->published_cap;
-                } elseif (! empty($this->private_cap) && $obj->status() === 'private') {
+                } elseif ( ! empty($this->private_cap) && $obj->status() === 'private') {
                     $caps[] = $this->private_cap;
                 }
             }
@@ -1221,8 +1221,8 @@ 
                     EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
                 }
             }
-            if (! $has_cap) {
-                if (! empty($this->others_cap)) {
+            if ( ! $has_cap) {
+                if ( ! empty($this->others_cap)) {
                     $caps[] = $this->others_cap;
                 }
             }
@@ -1301,7 +1301,7 @@ 
 
         // okay it is a meta cap so let's first remove that cap from the $caps array.
         if (($key = array_search($cap, $caps)) !== false) {
-            unset($caps[ $key ]);
+            unset($caps[$key]);
         }
 
         // cast $user_id to int for later explicit comparisons
@@ -1309,12 +1309,12 @@ 
 
         $obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
         // if no obj then let's just do cap
-        if (! $obj instanceof EE_Base_Class) {
+        if ( ! $obj instanceof EE_Base_Class) {
             $caps[] = 'do_not_allow';
             return $caps;
         }
 
-        $caps[] = $cap . 's';
+        $caps[] = $cap.'s';
         if ($obj instanceof EE_CPT_Base) {
             $status_obj = get_post_status_object($obj->status());
             if ($status_obj->public) {
@@ -1322,7 +1322,7 @@ 
             }
             // if the item author is set and the user is not the author...
             if ($obj->wp_user() && $obj->wp_user() !== $user_id) {
-                if (! empty($this->others_cap)) {
+                if ( ! empty($this->others_cap)) {
                     $caps[] = $this->others_cap;
                 }
             }
@@ -1346,11 +1346,11 @@ 
                     EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
                 }
             }
-            if (! $has_cap) {
-                if (! empty($this->private_cap)) {
+            if ( ! $has_cap) {
+                if ( ! empty($this->private_cap)) {
                     $caps[] = $this->private_cap;
                 }
-                if (! empty($this->others_cap)) {
+                if ( ! empty($this->others_cap)) {
                     $caps[] = $this->others_cap;
                 }
             }
@@ -1396,7 +1396,7 @@ 
 
         // okay it is a meta cap so let's first remove that cap from the $caps array.
         if (($key = array_search($cap, $caps)) !== false) {
-            unset($caps[ $key ]);
+            unset($caps[$key]);
         }
 
         // cast $user_id to int for later explicit comparisons
@@ -1404,11 +1404,11 @@ 
 
         $obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
         // if no obj then let's just do cap
-        if (! $obj instanceof EE_Message_Template_Group) {
+        if ( ! $obj instanceof EE_Message_Template_Group) {
             $caps[] = 'do_not_allow';
             return $caps;
         }
-        $caps[] = $cap . 's';
+        $caps[] = $cap.'s';
         $is_global = $obj->is_global();
         if ($obj->wp_user() && $obj->wp_user() === $user_id) {
             if ($is_global) {
@@ -1459,15 +1459,15 @@ 
         }
         // okay it is a meta cap so let's first remove that cap from the $caps array.
         if (($key = array_search($cap, $caps)) !== false) {
-            unset($caps[ $key ]);
+            unset($caps[$key]);
         }
         $obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
         // if no obj then let's just do cap
-        if (! $obj instanceof EE_Base_Class) {
+        if ( ! $obj instanceof EE_Base_Class) {
             $caps[] = 'do_not_allow';
             return $caps;
         }
-        $caps[] = $cap . 's';
+        $caps[] = $cap.'s';
         $is_system = $obj instanceof EE_Question_Group ? $obj->system_group() : false;
         $is_system = $obj instanceof EE_Question ? $obj->is_system_question() : $is_system;
         if ($is_system) {

Indentation +1369 added lines, -1369 removed lines

@@ -14,981 +14,981 @@ 
 final class EE_Capabilities extends EE_Base
 {
 
-    /**
-     * the name of the wp option used to store caps previously initialized
-     */
-    const option_name = 'ee_caps_initialized';
-
-    /**
-     * instance of EE_Capabilities object
-     *
-     * @var EE_Capabilities
-     */
-    private static $_instance;
-
-
-    /**
-     * This is a map of caps that correspond to a default WP_Role.
-     * Array is indexed by Role and values are ee capabilities.
-     *
-     * @since 4.5.0
-     *
-     * @var array
-     */
-    private $capabilities_map = array();
-
-    /**
-     * This used to hold an array of EE_Meta_Capability_Map objects
-     * that define the granular capabilities mapped to for a user depending on context.
-     *
-     * @var EE_Meta_Capability_Map[]
-     */
-    private $_meta_caps = array();
-
-    /**
-     * The internal $capabilities_map needs to be initialized before it can be used.
-     * This flag tracks whether that has happened or not.
-     * But for this to work, we need three states to indicate:
-     *      initialization has not occurred at all
-     *      initialization has started but is not complete
-     *      initialization is complete
-     * The reason this is needed is because the addCaps() method
-     * normally requires the $capabilities_map to be initialized,
-     * but is also used during the initialization process.
-     * So:
-     *      If initialized === null, init_caps() will be called before any other methods will run.
-     *      If initialized === false, then init_caps() is in the process of running it's logic.
-     *      If initialized === true, then init_caps() has completed the initialization process.
-     *
-     * @var boolean|null $initialized
-     */
-    private $initialized;
-
-    /**
-     * @var boolean $reset
-     */
-    private $reset = false;
-
-
-    /**
-     * singleton method used to instantiate class object
-     *
-     * @since 4.5.0
-     *
-     * @return EE_Capabilities
-     */
-    public static function instance()
-    {
-        // check if instantiated, and if not do so.
-        if (! self::$_instance instanceof EE_Capabilities) {
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * private constructor
-     *
-     * @since 4.5.0
-     */
-    private function __construct()
-    {
-    }
-
-
-    /**
-     * This delays the initialization of the capabilities class until EE_System core is loaded and ready.
-     *
-     * @param bool $reset allows for resetting the default capabilities saved on roles.  Note that this doesn't
-     *                    actually REMOVE any capabilities from existing roles, it just resaves defaults roles and
-     *                    ensures that they are up to date.
-     *
-     * @since 4.5.0
-     * @return bool
-     * @throws EE_Error
-     */
-    public function init_caps($reset = false)
-    {
-        if (! EE_Maintenance_Mode::instance()->models_can_query()) {
-            return false;
-        }
-        $this->reset = filter_var($reset, FILTER_VALIDATE_BOOLEAN);
-        // if reset, then completely delete the cache option and clear the $capabilities_map property.
-        if ($this->reset) {
-            $this->initialized = null;
-            $this->capabilities_map = array();
-            delete_option(self::option_name);
-        }
-        if ($this->initialized === null) {
-            $this->initialized = false;
-            do_action(
-                'AHEE__EE_Capabilities__init_caps__before_initialization',
-                $this->reset
-            );
-            $this->addCaps($this->_init_caps_map());
-            $this->_set_meta_caps();
-            do_action(
-                'AHEE__EE_Capabilities__init_caps__after_initialization',
-                $this->capabilities_map
-            );
-            $this->initialized = true;
-        }
-        // reset $this->reset so that it's not stuck on true if init_caps() gets called again
-        $this->reset = false;
-        return true;
-    }
-
-
-    /**
-     * This sets the meta caps property.
-     *
-     * @since 4.5.0
-     * @return void
-     * @throws EE_Error
-     */
-    private function _set_meta_caps()
-    {
-        // get default meta caps and filter the returned array
-        $this->_meta_caps = apply_filters(
-            'FHEE__EE_Capabilities___set_meta_caps__meta_caps',
-            $this->_get_default_meta_caps_array()
-        );
-        // add filter for map_meta_caps but only if models can query.
-        if (! has_filter('map_meta_cap', array($this, 'map_meta_caps'))) {
-            add_filter('map_meta_cap', array($this, 'map_meta_caps'), 10, 4);
-        }
-    }
-
-
-    /**
-     * This builds and returns the default meta_caps array only once.
-     *
-     * @since  4.8.28.rc.012
-     * @return array
-     * @throws EE_Error
-     */
-    private function _get_default_meta_caps_array()
-    {
-        static $default_meta_caps = array();
-        // make sure we're only ever initializing the default _meta_caps array once if it's empty.
-        if (empty($default_meta_caps)) {
-            $default_meta_caps = array(
-                // edits
-                new EE_Meta_Capability_Map_Edit(
-                    'ee_edit_event',
-                    array('Event', 'ee_edit_published_events', 'ee_edit_others_events', 'ee_edit_private_events')
-                ),
-                new EE_Meta_Capability_Map_Edit(
-                    'ee_edit_venue',
-                    array('Venue', 'ee_edit_published_venues', 'ee_edit_others_venues', 'ee_edit_private_venues')
-                ),
-                new EE_Meta_Capability_Map_Edit(
-                    'ee_edit_registration',
-                    array('Registration', '', 'ee_edit_others_registrations', '')
-                ),
-                new EE_Meta_Capability_Map_Edit(
-                    'ee_edit_checkin',
-                    array('Registration', '', 'ee_edit_others_checkins', '')
-                ),
-                new EE_Meta_Capability_Map_Messages_Cap(
-                    'ee_edit_message',
-                    array('Message_Template_Group', '', 'ee_edit_others_messages', 'ee_edit_global_messages')
-                ),
-                new EE_Meta_Capability_Map_Edit(
-                    'ee_edit_default_ticket',
-                    array('Ticket', '', 'ee_edit_others_default_tickets', '')
-                ),
-                new EE_Meta_Capability_Map_Registration_Form_Cap(
-                    'ee_edit_question',
-                    array('Question', '', '', 'ee_edit_system_questions')
-                ),
-                new EE_Meta_Capability_Map_Registration_Form_Cap(
-                    'ee_edit_question_group',
-                    array('Question_Group', '', '', 'ee_edit_system_question_groups')
-                ),
-                new EE_Meta_Capability_Map_Edit(
-                    'ee_edit_payment_method',
-                    array('Payment_Method', '', 'ee_edit_others_payment_methods', '')
-                ),
-                // reads
-                new EE_Meta_Capability_Map_Read(
-                    'ee_read_event',
-                    array('Event', '', 'ee_read_others_events', 'ee_read_private_events')
-                ),
-                new EE_Meta_Capability_Map_Read(
-                    'ee_read_venue',
-                    array('Venue', '', 'ee_read_others_venues', 'ee_read_private_venues')
-                ),
-                new EE_Meta_Capability_Map_Read(
-                    'ee_read_registration',
-                    array('Registration', '', 'ee_read_others_registrations', '')
-                ),
-                new EE_Meta_Capability_Map_Read(
-                    'ee_read_checkin',
-                    array('Registration', '', 'ee_read_others_checkins', '')
-                ),
-                new EE_Meta_Capability_Map_Messages_Cap(
-                    'ee_read_message',
-                    array('Message_Template_Group', '', 'ee_read_others_messages', 'ee_read_global_messages')
-                ),
-                new EE_Meta_Capability_Map_Read(
-                    'ee_read_default_ticket',
-                    array('Ticket', '', 'ee_read_others_default_tickets', '')
-                ),
-                new EE_Meta_Capability_Map_Read(
-                    'ee_read_payment_method',
-                    array('Payment_Method', '', 'ee_read_others_payment_methods', '')
-                ),
-                // deletes
-                new EE_Meta_Capability_Map_Delete(
-                    'ee_delete_event',
-                    array(
-                        'Event',
-                        'ee_delete_published_events',
-                        'ee_delete_others_events',
-                        'ee_delete_private_events',
-                    )
-                ),
-                new EE_Meta_Capability_Map_Delete(
-                    'ee_delete_venue',
-                    array(
-                        'Venue',
-                        'ee_delete_published_venues',
-                        'ee_delete_others_venues',
-                        'ee_delete_private_venues',
-                    )
-                ),
-                new EE_Meta_Capability_Map_Delete(
-                    'ee_delete_registration',
-                    array('Registration', '', 'ee_delete_others_registrations', '')
-                ),
-                new EE_Meta_Capability_Map_Delete(
-                    'ee_delete_checkin',
-                    array('Registration', '', 'ee_delete_others_checkins', '')
-                ),
-                new EE_Meta_Capability_Map_Messages_Cap(
-                    'ee_delete_message',
-                    array('Message_Template_Group', '', 'ee_delete_others_messages', 'ee_delete_global_messages')
-                ),
-                new EE_Meta_Capability_Map_Delete(
-                    'ee_delete_default_ticket',
-                    array('Ticket', '', 'ee_delete_others_default_tickets', '')
-                ),
-                new EE_Meta_Capability_Map_Registration_Form_Cap(
-                    'ee_delete_question',
-                    array('Question', '', '', 'delete_system_questions')
-                ),
-                new EE_Meta_Capability_Map_Registration_Form_Cap(
-                    'ee_delete_question_group',
-                    array('Question_Group', '', '', 'delete_system_question_groups')
-                ),
-                new EE_Meta_Capability_Map_Delete(
-                    'ee_delete_payment_method',
-                    array('Payment_Method', '', 'ee_delete_others_payment_methods', '')
-                ),
-            );
-        }
-        return $default_meta_caps;
-    }
-
-
-    /**
-     * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
-     * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
-     *
-     * The actual logic is carried out by implementer classes in their definition of _map_meta_caps.
-     *
-     * @since 4.5.0
-     * @see   wp-includes/capabilities.php
-     *
-     * @param array  $caps    actual users capabilities
-     * @param string $cap     initial capability name that is being checked (the "map" key)
-     * @param int    $user_id The user id
-     * @param array  $args    Adds context to the cap. Typically the object ID.
-     * @return array actual users capabilities
-     * @throws EE_Error
-     */
-    public function map_meta_caps($caps, $cap, $user_id, $args)
-    {
-        if (did_action('AHEE__EE_System__load_espresso_addons__complete')) {
-            // loop through our _meta_caps array
-            foreach ($this->_meta_caps as $meta_map) {
-                if (! $meta_map instanceof EE_Meta_Capability_Map) {
-                    continue;
-                }
-                // don't load models if there is no object ID in the args
-                if (! empty($args[0])) {
-                    $meta_map->ensure_is_model();
-                }
-                $caps = $meta_map->map_meta_caps($caps, $cap, $user_id, $args);
-            }
-        }
-        return $caps;
-    }
-
-
-    /**
-     * This sets up and returns the initial capabilities map for Event Espresso
-     * Note this array is filtered.
-     * It is assumed that all available EE capabilities are assigned to the administrator role.
-     *
-     * @since 4.5.0
-     *
-     * @return array
-     */
-    private function _init_caps_map()
-    {
-        return apply_filters(
-            'FHEE__EE_Capabilities__init_caps_map__caps',
-            array(
-                'administrator'           => array(
-                    // basic access
-                    'ee_read_ee',
-                    // gateways
-                    /**
-                     * note that with payment method capabilities, although we've implemented
-                     * capability mapping which will be used for accessing payment methods owned by
-                     * other users.  This is not fully implemented yet in the payment method ui.
-                     * Currently only the "plural" caps are in active use.
-                     * (Specific payment method caps are in use as well).
-                     **/
-                    'ee_manage_gateways',
-                    'ee_read_payment_methods',
-                    'ee_read_others_payment_methods',
-                    'ee_edit_payment_methods',
-                    'ee_edit_others_payment_methods',
-                    'ee_delete_payment_methods',
-                    // events
-                    'ee_publish_events',
-                    'ee_read_private_events',
-                    'ee_read_others_events',
-                    'ee_read_events',
-                    'ee_edit_events',
-                    'ee_edit_published_events',
-                    'ee_edit_others_events',
-                    'ee_edit_private_events',
-                    'ee_delete_published_events',
-                    'ee_delete_private_events',
-                    'ee_delete_events',
-                    'ee_delete_others_events',
-                    // event categories
-                    'ee_manage_event_categories',
-                    'ee_edit_event_category',
-                    'ee_delete_event_category',
-                    'ee_assign_event_category',
-                    // venues
-                    'ee_publish_venues',
-                    'ee_read_venues',
-                    'ee_read_others_venues',
-                    'ee_read_private_venues',
-                    'ee_edit_venues',
-                    'ee_edit_others_venues',
-                    'ee_edit_published_venues',
-                    'ee_edit_private_venues',
-                    'ee_delete_venues',
-                    'ee_delete_others_venues',
-                    'ee_delete_private_venues',
-                    'ee_delete_published_venues',
-                    // venue categories
-                    'ee_manage_venue_categories',
-                    'ee_edit_venue_category',
-                    'ee_delete_venue_category',
-                    'ee_assign_venue_category',
-                    // contacts
-                    'ee_read_contacts',
-                    'ee_edit_contacts',
-                    'ee_delete_contacts',
-                    // registrations
-                    'ee_read_registrations',
-                    'ee_read_others_registrations',
-                    'ee_edit_registrations',
-                    'ee_edit_others_registrations',
-                    'ee_delete_registrations',
-                    'ee_delete_others_registrations',
-                    // checkins
-                    'ee_read_others_checkins',
-                    'ee_read_checkins',
-                    'ee_edit_checkins',
-                    'ee_edit_others_checkins',
-                    'ee_delete_checkins',
-                    'ee_delete_others_checkins',
-                    // transactions && payments
-                    'ee_read_transaction',
-                    'ee_read_transactions',
-                    'ee_edit_payments',
-                    'ee_delete_payments',
-                    // messages
-                    'ee_read_messages',
-                    'ee_read_others_messages',
-                    'ee_read_global_messages',
-                    'ee_edit_global_messages',
-                    'ee_edit_messages',
-                    'ee_edit_others_messages',
-                    'ee_delete_messages',
-                    'ee_delete_others_messages',
-                    'ee_delete_global_messages',
-                    'ee_send_message',
-                    // tickets
-                    'ee_read_default_tickets',
-                    'ee_read_others_default_tickets',
-                    'ee_edit_default_tickets',
-                    'ee_edit_others_default_tickets',
-                    'ee_delete_default_tickets',
-                    'ee_delete_others_default_tickets',
-                    // prices
-                    'ee_edit_default_price',
-                    'ee_edit_default_prices',
-                    'ee_delete_default_price',
-                    'ee_delete_default_prices',
-                    'ee_edit_default_price_type',
-                    'ee_edit_default_price_types',
-                    'ee_delete_default_price_type',
-                    'ee_delete_default_price_types',
-                    'ee_read_default_prices',
-                    'ee_read_default_price_types',
-                    // registration form
-                    'ee_edit_questions',
-                    'ee_edit_system_questions',
-                    'ee_read_questions',
-                    'ee_delete_questions',
-                    'ee_edit_question_groups',
-                    'ee_read_question_groups',
-                    'ee_edit_system_question_groups',
-                    'ee_delete_question_groups',
-                    // event_type taxonomy
-                    'ee_assign_event_type',
-                    'ee_manage_event_types',
-                    'ee_edit_event_type',
-                    'ee_delete_event_type',
-                ),
-                'ee_events_administrator' => array(
-                    // core wp caps
-                    'read',
-                    'read_private_pages',
-                    'read_private_posts',
-                    'edit_users',
-                    'edit_posts',
-                    'edit_pages',
-                    'edit_published_posts',
-                    'edit_published_pages',
-                    'edit_private_pages',
-                    'edit_private_posts',
-                    'edit_others_posts',
-                    'edit_others_pages',
-                    'publish_posts',
-                    'publish_pages',
-                    'delete_posts',
-                    'delete_pages',
-                    'delete_private_pages',
-                    'delete_private_posts',
-                    'delete_published_pages',
-                    'delete_published_posts',
-                    'delete_others_posts',
-                    'delete_others_pages',
-                    'manage_categories',
-                    'manage_links',
-                    'moderate_comments',
-                    'unfiltered_html',
-                    'upload_files',
-                    'export',
-                    'import',
-                    'list_users',
-                    'level_1', // required if user with this role shows up in author dropdowns
-                    // basic ee access
-                    'ee_read_ee',
-                    // events
-                    'ee_publish_events',
-                    'ee_read_private_events',
-                    'ee_read_others_events',
-                    'ee_read_event',
-                    'ee_read_events',
-                    'ee_edit_event',
-                    'ee_edit_events',
-                    'ee_edit_published_events',
-                    'ee_edit_others_events',
-                    'ee_edit_private_events',
-                    'ee_delete_published_events',
-                    'ee_delete_private_events',
-                    'ee_delete_event',
-                    'ee_delete_events',
-                    'ee_delete_others_events',
-                    // event categories
-                    'ee_manage_event_categories',
-                    'ee_edit_event_category',
-                    'ee_delete_event_category',
-                    'ee_assign_event_category',
-                    // venues
-                    'ee_publish_venues',
-                    'ee_read_venue',
-                    'ee_read_venues',
-                    'ee_read_others_venues',
-                    'ee_read_private_venues',
-                    'ee_edit_venue',
-                    'ee_edit_venues',
-                    'ee_edit_others_venues',
-                    'ee_edit_published_venues',
-                    'ee_edit_private_venues',
-                    'ee_delete_venue',
-                    'ee_delete_venues',
-                    'ee_delete_others_venues',
-                    'ee_delete_private_venues',
-                    'ee_delete_published_venues',
-                    // venue categories
-                    'ee_manage_venue_categories',
-                    'ee_edit_venue_category',
-                    'ee_delete_venue_category',
-                    'ee_assign_venue_category',
-                    // contacts
-                    'ee_read_contacts',
-                    'ee_edit_contacts',
-                    'ee_delete_contacts',
-                    // registrations
-                    'ee_read_registrations',
-                    'ee_read_others_registrations',
-                    'ee_edit_registration',
-                    'ee_edit_registrations',
-                    'ee_edit_others_registrations',
-                    'ee_delete_registration',
-                    'ee_delete_registrations',
-                    'ee_delete_others_registrations',
-                    // checkins
-                    'ee_read_others_checkins',
-                    'ee_read_checkins',
-                    'ee_edit_checkins',
-                    'ee_edit_others_checkins',
-                    'ee_delete_checkins',
-                    'ee_delete_others_checkins',
-                    // transactions && payments
-                    'ee_read_transaction',
-                    'ee_read_transactions',
-                    'ee_edit_payments',
-                    'ee_delete_payments',
-                    // messages
-                    'ee_read_messages',
-                    'ee_read_others_messages',
-                    'ee_read_global_messages',
-                    'ee_edit_global_messages',
-                    'ee_edit_messages',
-                    'ee_edit_others_messages',
-                    'ee_delete_messages',
-                    'ee_delete_others_messages',
-                    'ee_delete_global_messages',
-                    'ee_send_message',
-                    // tickets
-                    'ee_read_default_tickets',
-                    'ee_read_others_default_tickets',
-                    'ee_edit_default_tickets',
-                    'ee_edit_others_default_tickets',
-                    'ee_delete_default_tickets',
-                    'ee_delete_others_default_tickets',
-                    // prices
-                    'ee_edit_default_price',
-                    'ee_edit_default_prices',
-                    'ee_delete_default_price',
-                    'ee_delete_default_prices',
-                    'ee_edit_default_price_type',
-                    'ee_edit_default_price_types',
-                    'ee_delete_default_price_type',
-                    'ee_delete_default_price_types',
-                    'ee_read_default_prices',
-                    'ee_read_default_price_types',
-                    // registration form
-                    'ee_edit_questions',
-                    'ee_edit_system_questions',
-                    'ee_read_questions',
-                    'ee_delete_questions',
-                    'ee_edit_question_groups',
-                    'ee_read_question_groups',
-                    'ee_edit_system_question_groups',
-                    'ee_delete_question_groups',
-                    // event_type taxonomy
-                    'ee_assign_event_type',
-                    'ee_manage_event_types',
-                    'ee_edit_event_type',
-                    'ee_delete_event_type',
-                ),
-            )
-        );
-    }
-
-
-    /**
-     * @return bool
-     * @throws EE_Error
-     */
-    private function setupCapabilitiesMap()
-    {
-        // if the initialization process hasn't even started, then we need to call init_caps()
-        if ($this->initialized === null) {
-            return $this->init_caps();
-        }
-        // unless resetting, get caps from db if we haven't already
-        $this->capabilities_map = $this->reset || ! empty($this->capabilities_map)
-            ? $this->capabilities_map
-            : get_option(self::option_name, array());
-        return true;
-    }
-
-
-    /**
-     * @param bool $update
-     * @return bool
-     */
-    private function updateCapabilitiesMap($update = true)
-    {
-        return $update ? update_option(self::option_name, $this->capabilities_map) : false;
-    }
-
-
-    /**
-     * Adds capabilities to roles.
-     *
-     * @since 4.9.42
-     * @param array $capabilities_to_add array of capabilities to add, indexed by roles.
-     *                                   Note that this should ONLY be called on activation hook
-     *                                   otherwise the caps will be added on every request.
-     * @return bool
-     * @throws \EE_Error
-     */
-    public function addCaps(array $capabilities_to_add)
-    {
-        // don't do anything if the capabilities map can not be initialized
-        if (! $this->setupCapabilitiesMap()) {
-            return false;
-        }
-        // and filter the array so others can get in on the fun during resets
-        $capabilities_to_add = apply_filters(
-            'FHEE__EE_Capabilities__addCaps__capabilities_to_add',
-            $capabilities_to_add,
-            $this->reset,
-            $this->capabilities_map
-        );
-        $update_capabilities_map = false;
-        // if not reset, see what caps are new for each role. if they're new, add them.
-        foreach ($capabilities_to_add as $role => $caps_for_role) {
-            if (is_array($caps_for_role)) {
-                foreach ($caps_for_role as $cap) {
-                    if (! $this->capHasBeenAddedToRole($role, $cap)
-                        && $this->add_cap_to_role($role, $cap, true, false)
-                    ) {
-                        $update_capabilities_map = true;
-                    }
-                }
-            }
-        }
-        // now let's just save the cap that has been set but only if there's been a change.
-        $updated = $this->updateCapabilitiesMap($update_capabilities_map);
-        $this->flushWpUser($updated);
-        do_action('AHEE__EE_Capabilities__addCaps__complete', $this->capabilities_map, $updated);
-        return $updated;
-    }
-
-
-    /**
-     * Loops through the capabilities map and removes the role caps specified by the incoming array
-     *
-     * @param array $caps_map map of capabilities to be removed (indexed by roles)
-     * @return bool
-     * @throws \EE_Error
-     */
-    public function removeCaps($caps_map)
-    {
-        // don't do anything if the capabilities map can not be initialized
-        if (! $this->setupCapabilitiesMap()) {
-            return false;
-        }
-        $update_capabilities_map = false;
-        foreach ($caps_map as $role => $caps_for_role) {
-            if (is_array($caps_for_role)) {
-                foreach ($caps_for_role as $cap) {
-                    if ($this->capHasBeenAddedToRole($role, $cap)
-                        && $this->remove_cap_from_role($role, $cap, false)
-                    ) {
-                        $update_capabilities_map = true;
-                    }
-                }
-            }
-        }
-        // maybe resave the caps
-        $updated = $this->updateCapabilitiesMap($update_capabilities_map);
-        $this->flushWpUser($updated);
-        return $updated;
-    }
-
-
-    /**
-     * This ensures that the WP User object cached on the $current_user global in WP has the latest capabilities from
-     * the roles on that user.
-     *
-     * @param bool $flush Default is to flush the WP_User object.  If false, then this method effectively does nothing.
-     */
-    private function flushWpUser($flush = true)
-    {
-        if ($flush) {
-            $user = wp_get_current_user();
-            if ($user instanceof WP_User) {
-                $user->get_role_caps();
-            }
-        }
-    }
-
-
-    /**
-     * This method sets a capability on a role.  Note this should only be done on activation, or if you have something
-     * specific to prevent the cap from being added on every page load (adding caps are persistent to the db). Note.
-     * this is a wrapper for $wp_role->add_cap()
-     *
-     * @see   wp-includes/capabilities.php
-     * @since 4.5.0
-     * @param string|WP_Role $role  A WordPress role the capability is being added to
-     * @param string         $cap   The capability being added to the role
-     * @param bool           $grant Whether to grant access to this cap on this role.
-     * @param bool           $update_capabilities_map
-     * @return bool
-     * @throws \EE_Error
-     */
-    public function add_cap_to_role($role, $cap, $grant = true, $update_capabilities_map = true)
-    {
-        // capture incoming value for $role because we may need it to create a new WP_Role
-        $orig_role = $role;
-        $role = $role instanceof WP_Role ? $role : get_role($role);
-        // if the role isn't available then we create it.
-        if (! $role instanceof WP_Role) {
-            // if a plugin wants to create a specific role name then they should create the role before
-            // EE_Capabilities does.  Otherwise this function will create the role name from the slug:
-            // - removes any `ee_` namespacing from the start of the slug.
-            // - replaces `_` with ` ` (empty space).
-            // - sentence case on the resulting string.
-            $role_label = ucwords(str_replace(array('ee_', '_'), array('', ' '), $orig_role));
-            $role = add_role($orig_role, $role_label);
-        }
-        if ($role instanceof WP_Role) {
-            // don't do anything if the capabilities map can not be initialized
-            if (! $this->setupCapabilitiesMap()) {
-                return false;
-            }
-            if (! $this->capHasBeenAddedToRole($role->name, $cap)) {
-                $role->add_cap($cap, $grant);
-                $this->capabilities_map[ $role->name ][] = $cap;
-                $this->updateCapabilitiesMap($update_capabilities_map);
-                return true;
-            }
-        }
-        return false;
-    }
-
-
-    /**
-     * Functions similarly to add_cap_to_role except removes cap from given role.
-     * Wrapper for $wp_role->remove_cap()
-     *
-     * @see   wp-includes/capabilities.php
-     * @since 4.5.0
-     * @param string|WP_Role $role A WordPress role the capability is being removed from.
-     * @param string         $cap  The capability being removed
-     * @param bool           $update_capabilities_map
-     * @return bool
-     * @throws \EE_Error
-     */
-    public function remove_cap_from_role($role, $cap, $update_capabilities_map = true)
-    {
-        // don't do anything if the capabilities map can not be initialized
-        if (! $this->setupCapabilitiesMap()) {
-            return false;
-        }
-
-        $role = $role instanceof WP_Role ? $role : get_role($role);
-        if ($role instanceof WP_Role && $index = $this->capHasBeenAddedToRole($role->name, $cap, true)) {
-            $role->remove_cap($cap);
-            unset($this->capabilities_map[ $role->name ][ $index ]);
-            $this->updateCapabilitiesMap($update_capabilities_map);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * @param string $role_name
-     * @param string $cap
-     * @param bool   $get_index
-     * @return bool|mixed
-     */
-    private function capHasBeenAddedToRole($role_name = '', $cap = '', $get_index = false)
-    {
-        if (isset($this->capabilities_map[ $role_name ])
-            && ($index = array_search($cap, $this->capabilities_map[ $role_name ], true)) !== false
-        ) {
-            return $get_index ? $index : true;
-        }
-        return false;
-    }
-
-
-    /**
-     * Wrapper for the native WP current_user_can() method.
-     * This is provided as a handy method for a couple things:
-     * 1. Using the context string it allows for targeted filtering by addons for a specific check (without having to
-     * write those filters wherever current_user_can is called).
-     * 2. Explicit passing of $id from a given context ( useful in the cases of map_meta_cap filters )
-     *
-     * @since 4.5.0
-     *
-     * @param string $cap     The cap being checked.
-     * @param string $context The context where the current_user_can is being called from.
-     * @param int    $id      Optional. Id for item where current_user_can is being called from (used in map_meta_cap()
-     *                        filters.
-     *
-     * @return bool  Whether user can or not.
-     */
-    public function current_user_can($cap, $context, $id = 0)
-    {
-        // apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
-        $filtered_cap = apply_filters('FHEE__EE_Capabilities__current_user_can__cap__' . $context, $cap, $id);
-        $filtered_cap = apply_filters(
-            'FHEE__EE_Capabilities__current_user_can__cap',
-            $filtered_cap,
-            $context,
-            $cap,
-            $id
-        );
-        return ! empty($id)
-            ? current_user_can($filtered_cap, $id)
-            : current_user_can($filtered_cap);
-    }
-
-
-    /**
-     * This is a wrapper for the WP user_can() function and follows the same style as the other wrappers in this class.
-     *
-     * @param int|WP_User $user    Either the user_id or a WP_User object
-     * @param string      $cap     The capability string being checked
-     * @param string      $context The context where the user_can is being called from (used in filters).
-     * @param int         $id      Optional. Id for item where user_can is being called from ( used in map_meta_cap()
-     *                             filters)
-     *
-     * @return bool Whether user can or not.
-     */
-    public function user_can($user, $cap, $context, $id = 0)
-    {
-        // apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
-        $filtered_cap = apply_filters('FHEE__EE_Capabilities__user_can__cap__' . $context, $cap, $user, $id);
-        $filtered_cap = apply_filters(
-            'FHEE__EE_Capabilities__user_can__cap',
-            $filtered_cap,
-            $context,
-            $cap,
-            $user,
-            $id
-        );
-        return ! empty($id)
-            ? user_can($user, $filtered_cap, $id)
-            : user_can($user, $filtered_cap);
-    }
-
-
-    /**
-     * Wrapper for the native WP current_user_can_for_blog() method.
-     * This is provided as a handy method for a couple things:
-     * 1. Using the context string it allows for targeted filtering by addons for a specific check (without having to
-     * write those filters wherever current_user_can is called).
-     * 2. Explicit passing of $id from a given context ( useful in the cases of map_meta_cap filters )
-     *
-     * @since 4.5.0
-     *
-     * @param int    $blog_id The blog id that is being checked for.
-     * @param string $cap     The cap being checked.
-     * @param string $context The context where the current_user_can is being called from.
-     * @param int    $id      Optional. Id for item where current_user_can is being called from (used in map_meta_cap()
-     *                        filters.
-     *
-     * @return bool  Whether user can or not.
-     */
-    public function current_user_can_for_blog($blog_id, $cap, $context, $id = 0)
-    {
-        $user_can = ! empty($id)
-            ? current_user_can_for_blog($blog_id, $cap, $id)
-            : current_user_can($blog_id, $cap);
-        // apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
-        $user_can = apply_filters(
-            'FHEE__EE_Capabilities__current_user_can_for_blog__user_can__' . $context,
-            $user_can,
-            $blog_id,
-            $cap,
-            $id
-        );
-        $user_can = apply_filters(
-            'FHEE__EE_Capabilities__current_user_can_for_blog__user_can',
-            $user_can,
-            $context,
-            $blog_id,
-            $cap,
-            $id
-        );
-        return $user_can;
-    }
-
-
-    /**
-     * This helper method just returns an array of registered EE capabilities.
-     *
-     * @since 4.5.0
-     * @param string $role If empty then the entire role/capability map is returned.
-     *                     Otherwise just the capabilities for the given role are returned.
-     * @return array
-     * @throws EE_Error
-     */
-    public function get_ee_capabilities($role = 'administrator')
-    {
-        if (! $this->initialized) {
-            $this->init_caps();
-        }
-        if (empty($role)) {
-            return $this->capabilities_map;
-        }
-        return isset($this->capabilities_map[ $role ])
-            ? $this->capabilities_map[ $role ]
-            : array();
-    }
-
-
-    /**
-     * @deprecated 4.9.42
-     * @param bool  $reset      If you need to reset Event Espresso's capabilities,
-     *                          then please use the init_caps() method with the "$reset" parameter set to "true"
-     * @param array $caps_map   Optional.
-     *                          Can be used to send a custom map of roles and capabilities for setting them up.
-     *                          Note that this should ONLY be called on activation hook or some other one-time
-     *                          task otherwise the caps will be added on every request.
-     * @return void
-     * @throws EE_Error
-     */
-    public function init_role_caps($reset = false, $caps_map = array())
-    {
-        // If this method is called directly and reset is set as 'true',
-        // then display a doing it wrong notice, because we want resets to go through init_caps()
-        // to guarantee that everything is set up correctly.
-        // This prevents the capabilities map getting reset incorrectly by direct calls to this method.
-        if ($reset) {
-            EE_Error::doing_it_wrong(
-                __METHOD__,
-                sprintf(
-                    esc_html__(
-                        'The "%1$s" parameter for the "%2$s" method is deprecated. If you need to reset Event Espresso\'s capabilities, then please use the "%3$s" method with the "%1$s" parameter set to "%4$s".',
-                        'event_espresso'
-                    ),
-                    '$reset',
-                    __METHOD__ . '()',
-                    'EE_Capabilities::init_caps()',
-                    'true'
-                ),
-                '4.9.42',
-                '5.0.0'
-            );
-        }
-        $this->addCaps($caps_map);
-    }
+	/**
+	 * the name of the wp option used to store caps previously initialized
+	 */
+	const option_name = 'ee_caps_initialized';
+
+	/**
+	 * instance of EE_Capabilities object
+	 *
+	 * @var EE_Capabilities
+	 */
+	private static $_instance;
+
+
+	/**
+	 * This is a map of caps that correspond to a default WP_Role.
+	 * Array is indexed by Role and values are ee capabilities.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @var array
+	 */
+	private $capabilities_map = array();
+
+	/**
+	 * This used to hold an array of EE_Meta_Capability_Map objects
+	 * that define the granular capabilities mapped to for a user depending on context.
+	 *
+	 * @var EE_Meta_Capability_Map[]
+	 */
+	private $_meta_caps = array();
+
+	/**
+	 * The internal $capabilities_map needs to be initialized before it can be used.
+	 * This flag tracks whether that has happened or not.
+	 * But for this to work, we need three states to indicate:
+	 *      initialization has not occurred at all
+	 *      initialization has started but is not complete
+	 *      initialization is complete
+	 * The reason this is needed is because the addCaps() method
+	 * normally requires the $capabilities_map to be initialized,
+	 * but is also used during the initialization process.
+	 * So:
+	 *      If initialized === null, init_caps() will be called before any other methods will run.
+	 *      If initialized === false, then init_caps() is in the process of running it's logic.
+	 *      If initialized === true, then init_caps() has completed the initialization process.
+	 *
+	 * @var boolean|null $initialized
+	 */
+	private $initialized;
+
+	/**
+	 * @var boolean $reset
+	 */
+	private $reset = false;
+
+
+	/**
+	 * singleton method used to instantiate class object
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return EE_Capabilities
+	 */
+	public static function instance()
+	{
+		// check if instantiated, and if not do so.
+		if (! self::$_instance instanceof EE_Capabilities) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * private constructor
+	 *
+	 * @since 4.5.0
+	 */
+	private function __construct()
+	{
+	}
+
+
+	/**
+	 * This delays the initialization of the capabilities class until EE_System core is loaded and ready.
+	 *
+	 * @param bool $reset allows for resetting the default capabilities saved on roles.  Note that this doesn't
+	 *                    actually REMOVE any capabilities from existing roles, it just resaves defaults roles and
+	 *                    ensures that they are up to date.
+	 *
+	 * @since 4.5.0
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public function init_caps($reset = false)
+	{
+		if (! EE_Maintenance_Mode::instance()->models_can_query()) {
+			return false;
+		}
+		$this->reset = filter_var($reset, FILTER_VALIDATE_BOOLEAN);
+		// if reset, then completely delete the cache option and clear the $capabilities_map property.
+		if ($this->reset) {
+			$this->initialized = null;
+			$this->capabilities_map = array();
+			delete_option(self::option_name);
+		}
+		if ($this->initialized === null) {
+			$this->initialized = false;
+			do_action(
+				'AHEE__EE_Capabilities__init_caps__before_initialization',
+				$this->reset
+			);
+			$this->addCaps($this->_init_caps_map());
+			$this->_set_meta_caps();
+			do_action(
+				'AHEE__EE_Capabilities__init_caps__after_initialization',
+				$this->capabilities_map
+			);
+			$this->initialized = true;
+		}
+		// reset $this->reset so that it's not stuck on true if init_caps() gets called again
+		$this->reset = false;
+		return true;
+	}
+
+
+	/**
+	 * This sets the meta caps property.
+	 *
+	 * @since 4.5.0
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _set_meta_caps()
+	{
+		// get default meta caps and filter the returned array
+		$this->_meta_caps = apply_filters(
+			'FHEE__EE_Capabilities___set_meta_caps__meta_caps',
+			$this->_get_default_meta_caps_array()
+		);
+		// add filter for map_meta_caps but only if models can query.
+		if (! has_filter('map_meta_cap', array($this, 'map_meta_caps'))) {
+			add_filter('map_meta_cap', array($this, 'map_meta_caps'), 10, 4);
+		}
+	}
+
+
+	/**
+	 * This builds and returns the default meta_caps array only once.
+	 *
+	 * @since  4.8.28.rc.012
+	 * @return array
+	 * @throws EE_Error
+	 */
+	private function _get_default_meta_caps_array()
+	{
+		static $default_meta_caps = array();
+		// make sure we're only ever initializing the default _meta_caps array once if it's empty.
+		if (empty($default_meta_caps)) {
+			$default_meta_caps = array(
+				// edits
+				new EE_Meta_Capability_Map_Edit(
+					'ee_edit_event',
+					array('Event', 'ee_edit_published_events', 'ee_edit_others_events', 'ee_edit_private_events')
+				),
+				new EE_Meta_Capability_Map_Edit(
+					'ee_edit_venue',
+					array('Venue', 'ee_edit_published_venues', 'ee_edit_others_venues', 'ee_edit_private_venues')
+				),
+				new EE_Meta_Capability_Map_Edit(
+					'ee_edit_registration',
+					array('Registration', '', 'ee_edit_others_registrations', '')
+				),
+				new EE_Meta_Capability_Map_Edit(
+					'ee_edit_checkin',
+					array('Registration', '', 'ee_edit_others_checkins', '')
+				),
+				new EE_Meta_Capability_Map_Messages_Cap(
+					'ee_edit_message',
+					array('Message_Template_Group', '', 'ee_edit_others_messages', 'ee_edit_global_messages')
+				),
+				new EE_Meta_Capability_Map_Edit(
+					'ee_edit_default_ticket',
+					array('Ticket', '', 'ee_edit_others_default_tickets', '')
+				),
+				new EE_Meta_Capability_Map_Registration_Form_Cap(
+					'ee_edit_question',
+					array('Question', '', '', 'ee_edit_system_questions')
+				),
+				new EE_Meta_Capability_Map_Registration_Form_Cap(
+					'ee_edit_question_group',
+					array('Question_Group', '', '', 'ee_edit_system_question_groups')
+				),
+				new EE_Meta_Capability_Map_Edit(
+					'ee_edit_payment_method',
+					array('Payment_Method', '', 'ee_edit_others_payment_methods', '')
+				),
+				// reads
+				new EE_Meta_Capability_Map_Read(
+					'ee_read_event',
+					array('Event', '', 'ee_read_others_events', 'ee_read_private_events')
+				),
+				new EE_Meta_Capability_Map_Read(
+					'ee_read_venue',
+					array('Venue', '', 'ee_read_others_venues', 'ee_read_private_venues')
+				),
+				new EE_Meta_Capability_Map_Read(
+					'ee_read_registration',
+					array('Registration', '', 'ee_read_others_registrations', '')
+				),
+				new EE_Meta_Capability_Map_Read(
+					'ee_read_checkin',
+					array('Registration', '', 'ee_read_others_checkins', '')
+				),
+				new EE_Meta_Capability_Map_Messages_Cap(
+					'ee_read_message',
+					array('Message_Template_Group', '', 'ee_read_others_messages', 'ee_read_global_messages')
+				),
+				new EE_Meta_Capability_Map_Read(
+					'ee_read_default_ticket',
+					array('Ticket', '', 'ee_read_others_default_tickets', '')
+				),
+				new EE_Meta_Capability_Map_Read(
+					'ee_read_payment_method',
+					array('Payment_Method', '', 'ee_read_others_payment_methods', '')
+				),
+				// deletes
+				new EE_Meta_Capability_Map_Delete(
+					'ee_delete_event',
+					array(
+						'Event',
+						'ee_delete_published_events',
+						'ee_delete_others_events',
+						'ee_delete_private_events',
+					)
+				),
+				new EE_Meta_Capability_Map_Delete(
+					'ee_delete_venue',
+					array(
+						'Venue',
+						'ee_delete_published_venues',
+						'ee_delete_others_venues',
+						'ee_delete_private_venues',
+					)
+				),
+				new EE_Meta_Capability_Map_Delete(
+					'ee_delete_registration',
+					array('Registration', '', 'ee_delete_others_registrations', '')
+				),
+				new EE_Meta_Capability_Map_Delete(
+					'ee_delete_checkin',
+					array('Registration', '', 'ee_delete_others_checkins', '')
+				),
+				new EE_Meta_Capability_Map_Messages_Cap(
+					'ee_delete_message',
+					array('Message_Template_Group', '', 'ee_delete_others_messages', 'ee_delete_global_messages')
+				),
+				new EE_Meta_Capability_Map_Delete(
+					'ee_delete_default_ticket',
+					array('Ticket', '', 'ee_delete_others_default_tickets', '')
+				),
+				new EE_Meta_Capability_Map_Registration_Form_Cap(
+					'ee_delete_question',
+					array('Question', '', '', 'delete_system_questions')
+				),
+				new EE_Meta_Capability_Map_Registration_Form_Cap(
+					'ee_delete_question_group',
+					array('Question_Group', '', '', 'delete_system_question_groups')
+				),
+				new EE_Meta_Capability_Map_Delete(
+					'ee_delete_payment_method',
+					array('Payment_Method', '', 'ee_delete_others_payment_methods', '')
+				),
+			);
+		}
+		return $default_meta_caps;
+	}
+
+
+	/**
+	 * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
+	 * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
+	 *
+	 * The actual logic is carried out by implementer classes in their definition of _map_meta_caps.
+	 *
+	 * @since 4.5.0
+	 * @see   wp-includes/capabilities.php
+	 *
+	 * @param array  $caps    actual users capabilities
+	 * @param string $cap     initial capability name that is being checked (the "map" key)
+	 * @param int    $user_id The user id
+	 * @param array  $args    Adds context to the cap. Typically the object ID.
+	 * @return array actual users capabilities
+	 * @throws EE_Error
+	 */
+	public function map_meta_caps($caps, $cap, $user_id, $args)
+	{
+		if (did_action('AHEE__EE_System__load_espresso_addons__complete')) {
+			// loop through our _meta_caps array
+			foreach ($this->_meta_caps as $meta_map) {
+				if (! $meta_map instanceof EE_Meta_Capability_Map) {
+					continue;
+				}
+				// don't load models if there is no object ID in the args
+				if (! empty($args[0])) {
+					$meta_map->ensure_is_model();
+				}
+				$caps = $meta_map->map_meta_caps($caps, $cap, $user_id, $args);
+			}
+		}
+		return $caps;
+	}
+
+
+	/**
+	 * This sets up and returns the initial capabilities map for Event Espresso
+	 * Note this array is filtered.
+	 * It is assumed that all available EE capabilities are assigned to the administrator role.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return array
+	 */
+	private function _init_caps_map()
+	{
+		return apply_filters(
+			'FHEE__EE_Capabilities__init_caps_map__caps',
+			array(
+				'administrator'           => array(
+					// basic access
+					'ee_read_ee',
+					// gateways
+					/**
+					 * note that with payment method capabilities, although we've implemented
+					 * capability mapping which will be used for accessing payment methods owned by
+					 * other users.  This is not fully implemented yet in the payment method ui.
+					 * Currently only the "plural" caps are in active use.
+					 * (Specific payment method caps are in use as well).
+					 **/
+					'ee_manage_gateways',
+					'ee_read_payment_methods',
+					'ee_read_others_payment_methods',
+					'ee_edit_payment_methods',
+					'ee_edit_others_payment_methods',
+					'ee_delete_payment_methods',
+					// events
+					'ee_publish_events',
+					'ee_read_private_events',
+					'ee_read_others_events',
+					'ee_read_events',
+					'ee_edit_events',
+					'ee_edit_published_events',
+					'ee_edit_others_events',
+					'ee_edit_private_events',
+					'ee_delete_published_events',
+					'ee_delete_private_events',
+					'ee_delete_events',
+					'ee_delete_others_events',
+					// event categories
+					'ee_manage_event_categories',
+					'ee_edit_event_category',
+					'ee_delete_event_category',
+					'ee_assign_event_category',
+					// venues
+					'ee_publish_venues',
+					'ee_read_venues',
+					'ee_read_others_venues',
+					'ee_read_private_venues',
+					'ee_edit_venues',
+					'ee_edit_others_venues',
+					'ee_edit_published_venues',
+					'ee_edit_private_venues',
+					'ee_delete_venues',
+					'ee_delete_others_venues',
+					'ee_delete_private_venues',
+					'ee_delete_published_venues',
+					// venue categories
+					'ee_manage_venue_categories',
+					'ee_edit_venue_category',
+					'ee_delete_venue_category',
+					'ee_assign_venue_category',
+					// contacts
+					'ee_read_contacts',
+					'ee_edit_contacts',
+					'ee_delete_contacts',
+					// registrations
+					'ee_read_registrations',
+					'ee_read_others_registrations',
+					'ee_edit_registrations',
+					'ee_edit_others_registrations',
+					'ee_delete_registrations',
+					'ee_delete_others_registrations',
+					// checkins
+					'ee_read_others_checkins',
+					'ee_read_checkins',
+					'ee_edit_checkins',
+					'ee_edit_others_checkins',
+					'ee_delete_checkins',
+					'ee_delete_others_checkins',
+					// transactions && payments
+					'ee_read_transaction',
+					'ee_read_transactions',
+					'ee_edit_payments',
+					'ee_delete_payments',
+					// messages
+					'ee_read_messages',
+					'ee_read_others_messages',
+					'ee_read_global_messages',
+					'ee_edit_global_messages',
+					'ee_edit_messages',
+					'ee_edit_others_messages',
+					'ee_delete_messages',
+					'ee_delete_others_messages',
+					'ee_delete_global_messages',
+					'ee_send_message',
+					// tickets
+					'ee_read_default_tickets',
+					'ee_read_others_default_tickets',
+					'ee_edit_default_tickets',
+					'ee_edit_others_default_tickets',
+					'ee_delete_default_tickets',
+					'ee_delete_others_default_tickets',
+					// prices
+					'ee_edit_default_price',
+					'ee_edit_default_prices',
+					'ee_delete_default_price',
+					'ee_delete_default_prices',
+					'ee_edit_default_price_type',
+					'ee_edit_default_price_types',
+					'ee_delete_default_price_type',
+					'ee_delete_default_price_types',
+					'ee_read_default_prices',
+					'ee_read_default_price_types',
+					// registration form
+					'ee_edit_questions',
+					'ee_edit_system_questions',
+					'ee_read_questions',
+					'ee_delete_questions',
+					'ee_edit_question_groups',
+					'ee_read_question_groups',
+					'ee_edit_system_question_groups',
+					'ee_delete_question_groups',
+					// event_type taxonomy
+					'ee_assign_event_type',
+					'ee_manage_event_types',
+					'ee_edit_event_type',
+					'ee_delete_event_type',
+				),
+				'ee_events_administrator' => array(
+					// core wp caps
+					'read',
+					'read_private_pages',
+					'read_private_posts',
+					'edit_users',
+					'edit_posts',
+					'edit_pages',
+					'edit_published_posts',
+					'edit_published_pages',
+					'edit_private_pages',
+					'edit_private_posts',
+					'edit_others_posts',
+					'edit_others_pages',
+					'publish_posts',
+					'publish_pages',
+					'delete_posts',
+					'delete_pages',
+					'delete_private_pages',
+					'delete_private_posts',
+					'delete_published_pages',
+					'delete_published_posts',
+					'delete_others_posts',
+					'delete_others_pages',
+					'manage_categories',
+					'manage_links',
+					'moderate_comments',
+					'unfiltered_html',
+					'upload_files',
+					'export',
+					'import',
+					'list_users',
+					'level_1', // required if user with this role shows up in author dropdowns
+					// basic ee access
+					'ee_read_ee',
+					// events
+					'ee_publish_events',
+					'ee_read_private_events',
+					'ee_read_others_events',
+					'ee_read_event',
+					'ee_read_events',
+					'ee_edit_event',
+					'ee_edit_events',
+					'ee_edit_published_events',
+					'ee_edit_others_events',
+					'ee_edit_private_events',
+					'ee_delete_published_events',
+					'ee_delete_private_events',
+					'ee_delete_event',
+					'ee_delete_events',
+					'ee_delete_others_events',
+					// event categories
+					'ee_manage_event_categories',
+					'ee_edit_event_category',
+					'ee_delete_event_category',
+					'ee_assign_event_category',
+					// venues
+					'ee_publish_venues',
+					'ee_read_venue',
+					'ee_read_venues',
+					'ee_read_others_venues',
+					'ee_read_private_venues',
+					'ee_edit_venue',
+					'ee_edit_venues',
+					'ee_edit_others_venues',
+					'ee_edit_published_venues',
+					'ee_edit_private_venues',
+					'ee_delete_venue',
+					'ee_delete_venues',
+					'ee_delete_others_venues',
+					'ee_delete_private_venues',
+					'ee_delete_published_venues',
+					// venue categories
+					'ee_manage_venue_categories',
+					'ee_edit_venue_category',
+					'ee_delete_venue_category',
+					'ee_assign_venue_category',
+					// contacts
+					'ee_read_contacts',
+					'ee_edit_contacts',
+					'ee_delete_contacts',
+					// registrations
+					'ee_read_registrations',
+					'ee_read_others_registrations',
+					'ee_edit_registration',
+					'ee_edit_registrations',
+					'ee_edit_others_registrations',
+					'ee_delete_registration',
+					'ee_delete_registrations',
+					'ee_delete_others_registrations',
+					// checkins
+					'ee_read_others_checkins',
+					'ee_read_checkins',
+					'ee_edit_checkins',
+					'ee_edit_others_checkins',
+					'ee_delete_checkins',
+					'ee_delete_others_checkins',
+					// transactions && payments
+					'ee_read_transaction',
+					'ee_read_transactions',
+					'ee_edit_payments',
+					'ee_delete_payments',
+					// messages
+					'ee_read_messages',
+					'ee_read_others_messages',
+					'ee_read_global_messages',
+					'ee_edit_global_messages',
+					'ee_edit_messages',
+					'ee_edit_others_messages',
+					'ee_delete_messages',
+					'ee_delete_others_messages',
+					'ee_delete_global_messages',
+					'ee_send_message',
+					// tickets
+					'ee_read_default_tickets',
+					'ee_read_others_default_tickets',
+					'ee_edit_default_tickets',
+					'ee_edit_others_default_tickets',
+					'ee_delete_default_tickets',
+					'ee_delete_others_default_tickets',
+					// prices
+					'ee_edit_default_price',
+					'ee_edit_default_prices',
+					'ee_delete_default_price',
+					'ee_delete_default_prices',
+					'ee_edit_default_price_type',
+					'ee_edit_default_price_types',
+					'ee_delete_default_price_type',
+					'ee_delete_default_price_types',
+					'ee_read_default_prices',
+					'ee_read_default_price_types',
+					// registration form
+					'ee_edit_questions',
+					'ee_edit_system_questions',
+					'ee_read_questions',
+					'ee_delete_questions',
+					'ee_edit_question_groups',
+					'ee_read_question_groups',
+					'ee_edit_system_question_groups',
+					'ee_delete_question_groups',
+					// event_type taxonomy
+					'ee_assign_event_type',
+					'ee_manage_event_types',
+					'ee_edit_event_type',
+					'ee_delete_event_type',
+				),
+			)
+		);
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	private function setupCapabilitiesMap()
+	{
+		// if the initialization process hasn't even started, then we need to call init_caps()
+		if ($this->initialized === null) {
+			return $this->init_caps();
+		}
+		// unless resetting, get caps from db if we haven't already
+		$this->capabilities_map = $this->reset || ! empty($this->capabilities_map)
+			? $this->capabilities_map
+			: get_option(self::option_name, array());
+		return true;
+	}
+
+
+	/**
+	 * @param bool $update
+	 * @return bool
+	 */
+	private function updateCapabilitiesMap($update = true)
+	{
+		return $update ? update_option(self::option_name, $this->capabilities_map) : false;
+	}
+
+
+	/**
+	 * Adds capabilities to roles.
+	 *
+	 * @since 4.9.42
+	 * @param array $capabilities_to_add array of capabilities to add, indexed by roles.
+	 *                                   Note that this should ONLY be called on activation hook
+	 *                                   otherwise the caps will be added on every request.
+	 * @return bool
+	 * @throws \EE_Error
+	 */
+	public function addCaps(array $capabilities_to_add)
+	{
+		// don't do anything if the capabilities map can not be initialized
+		if (! $this->setupCapabilitiesMap()) {
+			return false;
+		}
+		// and filter the array so others can get in on the fun during resets
+		$capabilities_to_add = apply_filters(
+			'FHEE__EE_Capabilities__addCaps__capabilities_to_add',
+			$capabilities_to_add,
+			$this->reset,
+			$this->capabilities_map
+		);
+		$update_capabilities_map = false;
+		// if not reset, see what caps are new for each role. if they're new, add them.
+		foreach ($capabilities_to_add as $role => $caps_for_role) {
+			if (is_array($caps_for_role)) {
+				foreach ($caps_for_role as $cap) {
+					if (! $this->capHasBeenAddedToRole($role, $cap)
+						&& $this->add_cap_to_role($role, $cap, true, false)
+					) {
+						$update_capabilities_map = true;
+					}
+				}
+			}
+		}
+		// now let's just save the cap that has been set but only if there's been a change.
+		$updated = $this->updateCapabilitiesMap($update_capabilities_map);
+		$this->flushWpUser($updated);
+		do_action('AHEE__EE_Capabilities__addCaps__complete', $this->capabilities_map, $updated);
+		return $updated;
+	}
+
+
+	/**
+	 * Loops through the capabilities map and removes the role caps specified by the incoming array
+	 *
+	 * @param array $caps_map map of capabilities to be removed (indexed by roles)
+	 * @return bool
+	 * @throws \EE_Error
+	 */
+	public function removeCaps($caps_map)
+	{
+		// don't do anything if the capabilities map can not be initialized
+		if (! $this->setupCapabilitiesMap()) {
+			return false;
+		}
+		$update_capabilities_map = false;
+		foreach ($caps_map as $role => $caps_for_role) {
+			if (is_array($caps_for_role)) {
+				foreach ($caps_for_role as $cap) {
+					if ($this->capHasBeenAddedToRole($role, $cap)
+						&& $this->remove_cap_from_role($role, $cap, false)
+					) {
+						$update_capabilities_map = true;
+					}
+				}
+			}
+		}
+		// maybe resave the caps
+		$updated = $this->updateCapabilitiesMap($update_capabilities_map);
+		$this->flushWpUser($updated);
+		return $updated;
+	}
+
+
+	/**
+	 * This ensures that the WP User object cached on the $current_user global in WP has the latest capabilities from
+	 * the roles on that user.
+	 *
+	 * @param bool $flush Default is to flush the WP_User object.  If false, then this method effectively does nothing.
+	 */
+	private function flushWpUser($flush = true)
+	{
+		if ($flush) {
+			$user = wp_get_current_user();
+			if ($user instanceof WP_User) {
+				$user->get_role_caps();
+			}
+		}
+	}
+
+
+	/**
+	 * This method sets a capability on a role.  Note this should only be done on activation, or if you have something
+	 * specific to prevent the cap from being added on every page load (adding caps are persistent to the db). Note.
+	 * this is a wrapper for $wp_role->add_cap()
+	 *
+	 * @see   wp-includes/capabilities.php
+	 * @since 4.5.0
+	 * @param string|WP_Role $role  A WordPress role the capability is being added to
+	 * @param string         $cap   The capability being added to the role
+	 * @param bool           $grant Whether to grant access to this cap on this role.
+	 * @param bool           $update_capabilities_map
+	 * @return bool
+	 * @throws \EE_Error
+	 */
+	public function add_cap_to_role($role, $cap, $grant = true, $update_capabilities_map = true)
+	{
+		// capture incoming value for $role because we may need it to create a new WP_Role
+		$orig_role = $role;
+		$role = $role instanceof WP_Role ? $role : get_role($role);
+		// if the role isn't available then we create it.
+		if (! $role instanceof WP_Role) {
+			// if a plugin wants to create a specific role name then they should create the role before
+			// EE_Capabilities does.  Otherwise this function will create the role name from the slug:
+			// - removes any `ee_` namespacing from the start of the slug.
+			// - replaces `_` with ` ` (empty space).
+			// - sentence case on the resulting string.
+			$role_label = ucwords(str_replace(array('ee_', '_'), array('', ' '), $orig_role));
+			$role = add_role($orig_role, $role_label);
+		}
+		if ($role instanceof WP_Role) {
+			// don't do anything if the capabilities map can not be initialized
+			if (! $this->setupCapabilitiesMap()) {
+				return false;
+			}
+			if (! $this->capHasBeenAddedToRole($role->name, $cap)) {
+				$role->add_cap($cap, $grant);
+				$this->capabilities_map[ $role->name ][] = $cap;
+				$this->updateCapabilitiesMap($update_capabilities_map);
+				return true;
+			}
+		}
+		return false;
+	}
+
+
+	/**
+	 * Functions similarly to add_cap_to_role except removes cap from given role.
+	 * Wrapper for $wp_role->remove_cap()
+	 *
+	 * @see   wp-includes/capabilities.php
+	 * @since 4.5.0
+	 * @param string|WP_Role $role A WordPress role the capability is being removed from.
+	 * @param string         $cap  The capability being removed
+	 * @param bool           $update_capabilities_map
+	 * @return bool
+	 * @throws \EE_Error
+	 */
+	public function remove_cap_from_role($role, $cap, $update_capabilities_map = true)
+	{
+		// don't do anything if the capabilities map can not be initialized
+		if (! $this->setupCapabilitiesMap()) {
+			return false;
+		}
+
+		$role = $role instanceof WP_Role ? $role : get_role($role);
+		if ($role instanceof WP_Role && $index = $this->capHasBeenAddedToRole($role->name, $cap, true)) {
+			$role->remove_cap($cap);
+			unset($this->capabilities_map[ $role->name ][ $index ]);
+			$this->updateCapabilitiesMap($update_capabilities_map);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * @param string $role_name
+	 * @param string $cap
+	 * @param bool   $get_index
+	 * @return bool|mixed
+	 */
+	private function capHasBeenAddedToRole($role_name = '', $cap = '', $get_index = false)
+	{
+		if (isset($this->capabilities_map[ $role_name ])
+			&& ($index = array_search($cap, $this->capabilities_map[ $role_name ], true)) !== false
+		) {
+			return $get_index ? $index : true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * Wrapper for the native WP current_user_can() method.
+	 * This is provided as a handy method for a couple things:
+	 * 1. Using the context string it allows for targeted filtering by addons for a specific check (without having to
+	 * write those filters wherever current_user_can is called).
+	 * 2. Explicit passing of $id from a given context ( useful in the cases of map_meta_cap filters )
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $cap     The cap being checked.
+	 * @param string $context The context where the current_user_can is being called from.
+	 * @param int    $id      Optional. Id for item where current_user_can is being called from (used in map_meta_cap()
+	 *                        filters.
+	 *
+	 * @return bool  Whether user can or not.
+	 */
+	public function current_user_can($cap, $context, $id = 0)
+	{
+		// apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
+		$filtered_cap = apply_filters('FHEE__EE_Capabilities__current_user_can__cap__' . $context, $cap, $id);
+		$filtered_cap = apply_filters(
+			'FHEE__EE_Capabilities__current_user_can__cap',
+			$filtered_cap,
+			$context,
+			$cap,
+			$id
+		);
+		return ! empty($id)
+			? current_user_can($filtered_cap, $id)
+			: current_user_can($filtered_cap);
+	}
+
+
+	/**
+	 * This is a wrapper for the WP user_can() function and follows the same style as the other wrappers in this class.
+	 *
+	 * @param int|WP_User $user    Either the user_id or a WP_User object
+	 * @param string      $cap     The capability string being checked
+	 * @param string      $context The context where the user_can is being called from (used in filters).
+	 * @param int         $id      Optional. Id for item where user_can is being called from ( used in map_meta_cap()
+	 *                             filters)
+	 *
+	 * @return bool Whether user can or not.
+	 */
+	public function user_can($user, $cap, $context, $id = 0)
+	{
+		// apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
+		$filtered_cap = apply_filters('FHEE__EE_Capabilities__user_can__cap__' . $context, $cap, $user, $id);
+		$filtered_cap = apply_filters(
+			'FHEE__EE_Capabilities__user_can__cap',
+			$filtered_cap,
+			$context,
+			$cap,
+			$user,
+			$id
+		);
+		return ! empty($id)
+			? user_can($user, $filtered_cap, $id)
+			: user_can($user, $filtered_cap);
+	}
+
+
+	/**
+	 * Wrapper for the native WP current_user_can_for_blog() method.
+	 * This is provided as a handy method for a couple things:
+	 * 1. Using the context string it allows for targeted filtering by addons for a specific check (without having to
+	 * write those filters wherever current_user_can is called).
+	 * 2. Explicit passing of $id from a given context ( useful in the cases of map_meta_cap filters )
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param int    $blog_id The blog id that is being checked for.
+	 * @param string $cap     The cap being checked.
+	 * @param string $context The context where the current_user_can is being called from.
+	 * @param int    $id      Optional. Id for item where current_user_can is being called from (used in map_meta_cap()
+	 *                        filters.
+	 *
+	 * @return bool  Whether user can or not.
+	 */
+	public function current_user_can_for_blog($blog_id, $cap, $context, $id = 0)
+	{
+		$user_can = ! empty($id)
+			? current_user_can_for_blog($blog_id, $cap, $id)
+			: current_user_can($blog_id, $cap);
+		// apply filters (both a global on just the cap, and context specific.  Global overrides context specific)
+		$user_can = apply_filters(
+			'FHEE__EE_Capabilities__current_user_can_for_blog__user_can__' . $context,
+			$user_can,
+			$blog_id,
+			$cap,
+			$id
+		);
+		$user_can = apply_filters(
+			'FHEE__EE_Capabilities__current_user_can_for_blog__user_can',
+			$user_can,
+			$context,
+			$blog_id,
+			$cap,
+			$id
+		);
+		return $user_can;
+	}
+
+
+	/**
+	 * This helper method just returns an array of registered EE capabilities.
+	 *
+	 * @since 4.5.0
+	 * @param string $role If empty then the entire role/capability map is returned.
+	 *                     Otherwise just the capabilities for the given role are returned.
+	 * @return array
+	 * @throws EE_Error
+	 */
+	public function get_ee_capabilities($role = 'administrator')
+	{
+		if (! $this->initialized) {
+			$this->init_caps();
+		}
+		if (empty($role)) {
+			return $this->capabilities_map;
+		}
+		return isset($this->capabilities_map[ $role ])
+			? $this->capabilities_map[ $role ]
+			: array();
+	}
+
+
+	/**
+	 * @deprecated 4.9.42
+	 * @param bool  $reset      If you need to reset Event Espresso's capabilities,
+	 *                          then please use the init_caps() method with the "$reset" parameter set to "true"
+	 * @param array $caps_map   Optional.
+	 *                          Can be used to send a custom map of roles and capabilities for setting them up.
+	 *                          Note that this should ONLY be called on activation hook or some other one-time
+	 *                          task otherwise the caps will be added on every request.
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function init_role_caps($reset = false, $caps_map = array())
+	{
+		// If this method is called directly and reset is set as 'true',
+		// then display a doing it wrong notice, because we want resets to go through init_caps()
+		// to guarantee that everything is set up correctly.
+		// This prevents the capabilities map getting reset incorrectly by direct calls to this method.
+		if ($reset) {
+			EE_Error::doing_it_wrong(
+				__METHOD__,
+				sprintf(
+					esc_html__(
+						'The "%1$s" parameter for the "%2$s" method is deprecated. If you need to reset Event Espresso\'s capabilities, then please use the "%3$s" method with the "%1$s" parameter set to "%4$s".',
+						'event_espresso'
+					),
+					'$reset',
+					__METHOD__ . '()',
+					'EE_Capabilities::init_caps()',
+					'true'
+				),
+				'4.9.42',
+				'5.0.0'
+			);
+		}
+		$this->addCaps($caps_map);
+	}
 }
 
 
@@ -1005,142 +1005,142 @@ 
 abstract class EE_Meta_Capability_Map
 {
 
-    public $meta_cap;
-
-    /**
-     * @var EEM_Base
-     */
-    protected $_model;
-
-    protected $_model_name;
-
-    public $published_cap = '';
-
-    public $others_cap = '';
-
-    public $private_cap = '';
-
-
-    /**
-     * constructor.
-     * Receives the setup arguments for the map.
-     *
-     * @since                        4.5.0
-     *
-     * @param string $meta_cap   What meta capability is this mapping.
-     * @param array  $map_values array {
-     *                           //array of values that MUST match a count of 4.  It's okay to send an empty string for
-     *                           capabilities that don't get mapped to.
-     *
-     * @type         $map_values [0] string A string representing the model name. Required.  String's
-     *                               should always be used when Menu Maps are registered via the
-     *                               plugin API as models are not allowed to be instantiated when
-     *                               in maintenance mode 2 (migrations).
-     * @type         $map_values [1] string represents the capability used for published. Optional.
-     * @type         $map_values [2] string represents the capability used for "others". Optional.
-     * @type         $map_values [3] string represents the capability used for private. Optional.
-     *                               }
-     * @throws EE_Error
-     */
-    public function __construct($meta_cap, $map_values)
-    {
-        $this->meta_cap = $meta_cap;
-        // verify there are four args in the $map_values array;
-        if (count($map_values) !== 4) {
-            throw new EE_Error(
-                sprintf(
-                    __(
-                        'Incoming $map_values array should have a count of four values in it.  This is what was given: %s',
-                        'event_espresso'
-                    ),
-                    '<br>' . print_r($map_values, true)
-                )
-            );
-        }
-        // set properties
-        $this->_model = null;
-        $this->_model_name = $map_values[0];
-        $this->published_cap = (string) $map_values[1];
-        $this->others_cap = (string) $map_values[2];
-        $this->private_cap = (string) $map_values[3];
-    }
-
-    /**
-     * Makes it so this object stops filtering caps
-     */
-    public function remove_filters()
-    {
-        remove_filter('map_meta_cap', array($this, 'map_meta_caps'), 10);
-    }
-
-
-    /**
-     * This method ensures that the $model property is converted from the model name string to a proper EEM_Base class
-     *
-     * @since 4.5.0
-     * @throws EE_Error
-     *
-     * @return void
-     */
-    public function ensure_is_model()
-    {
-        // is it already instantiated?
-        if ($this->_model instanceof EEM_Base) {
-            return;
-        }
-        // ensure model name is string
-        $this->_model_name = (string) $this->_model_name;
-        // error proof if the name has EEM in it
-        $this->_model_name = str_replace('EEM', '', $this->_model_name);
-        $this->_model = EE_Registry::instance()->load_model($this->_model_name);
-        if (! $this->_model instanceof EEM_Base) {
-            throw new EE_Error(
-                sprintf(
-                    __(
-                        'This string passed in to %s to represent a EEM_Base model class was not able to be used to instantiate the class.   Please ensure that the string is a match for the EEM_Base model name (not including the EEM_ part). This was given: %s',
-                        'event_espresso'
-                    ),
-                    get_class($this),
-                    $this->_model
-                )
-            );
-        }
-    }
-
-
-    /**
-     *
-     * @see   EE_Meta_Capability_Map::_map_meta_caps() for docs on params.
-     * @since 4.6.x
-     *
-     * @param $caps
-     * @param $cap
-     * @param $user_id
-     * @param $args
-     *
-     * @return array
-     */
-    public function map_meta_caps($caps, $cap, $user_id, $args)
-    {
-        return $this->_map_meta_caps($caps, $cap, $user_id, $args);
-    }
-
-
-    /**
-     * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
-     * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
-     *
-     * @since 4.5.0
-     * @see   wp-includes/capabilities.php
-     *
-     * @param array  $caps    actual users capabilities
-     * @param string $cap     initial capability name that is being checked (the "map" key)
-     * @param int    $user_id The user id
-     * @param array  $args    Adds context to the cap. Typically the object ID.
-     *
-     * @return array   actual users capabilities
-     */
-    abstract protected function _map_meta_caps($caps, $cap, $user_id, $args);
+	public $meta_cap;
+
+	/**
+	 * @var EEM_Base
+	 */
+	protected $_model;
+
+	protected $_model_name;
+
+	public $published_cap = '';
+
+	public $others_cap = '';
+
+	public $private_cap = '';
+
+
+	/**
+	 * constructor.
+	 * Receives the setup arguments for the map.
+	 *
+	 * @since                        4.5.0
+	 *
+	 * @param string $meta_cap   What meta capability is this mapping.
+	 * @param array  $map_values array {
+	 *                           //array of values that MUST match a count of 4.  It's okay to send an empty string for
+	 *                           capabilities that don't get mapped to.
+	 *
+	 * @type         $map_values [0] string A string representing the model name. Required.  String's
+	 *                               should always be used when Menu Maps are registered via the
+	 *                               plugin API as models are not allowed to be instantiated when
+	 *                               in maintenance mode 2 (migrations).
+	 * @type         $map_values [1] string represents the capability used for published. Optional.
+	 * @type         $map_values [2] string represents the capability used for "others". Optional.
+	 * @type         $map_values [3] string represents the capability used for private. Optional.
+	 *                               }
+	 * @throws EE_Error
+	 */
+	public function __construct($meta_cap, $map_values)
+	{
+		$this->meta_cap = $meta_cap;
+		// verify there are four args in the $map_values array;
+		if (count($map_values) !== 4) {
+			throw new EE_Error(
+				sprintf(
+					__(
+						'Incoming $map_values array should have a count of four values in it.  This is what was given: %s',
+						'event_espresso'
+					),
+					'<br>' . print_r($map_values, true)
+				)
+			);
+		}
+		// set properties
+		$this->_model = null;
+		$this->_model_name = $map_values[0];
+		$this->published_cap = (string) $map_values[1];
+		$this->others_cap = (string) $map_values[2];
+		$this->private_cap = (string) $map_values[3];
+	}
+
+	/**
+	 * Makes it so this object stops filtering caps
+	 */
+	public function remove_filters()
+	{
+		remove_filter('map_meta_cap', array($this, 'map_meta_caps'), 10);
+	}
+
+
+	/**
+	 * This method ensures that the $model property is converted from the model name string to a proper EEM_Base class
+	 *
+	 * @since 4.5.0
+	 * @throws EE_Error
+	 *
+	 * @return void
+	 */
+	public function ensure_is_model()
+	{
+		// is it already instantiated?
+		if ($this->_model instanceof EEM_Base) {
+			return;
+		}
+		// ensure model name is string
+		$this->_model_name = (string) $this->_model_name;
+		// error proof if the name has EEM in it
+		$this->_model_name = str_replace('EEM', '', $this->_model_name);
+		$this->_model = EE_Registry::instance()->load_model($this->_model_name);
+		if (! $this->_model instanceof EEM_Base) {
+			throw new EE_Error(
+				sprintf(
+					__(
+						'This string passed in to %s to represent a EEM_Base model class was not able to be used to instantiate the class.   Please ensure that the string is a match for the EEM_Base model name (not including the EEM_ part). This was given: %s',
+						'event_espresso'
+					),
+					get_class($this),
+					$this->_model
+				)
+			);
+		}
+	}
+
+
+	/**
+	 *
+	 * @see   EE_Meta_Capability_Map::_map_meta_caps() for docs on params.
+	 * @since 4.6.x
+	 *
+	 * @param $caps
+	 * @param $cap
+	 * @param $user_id
+	 * @param $args
+	 *
+	 * @return array
+	 */
+	public function map_meta_caps($caps, $cap, $user_id, $args)
+	{
+		return $this->_map_meta_caps($caps, $cap, $user_id, $args);
+	}
+
+
+	/**
+	 * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
+	 * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
+	 *
+	 * @since 4.5.0
+	 * @see   wp-includes/capabilities.php
+	 *
+	 * @param array  $caps    actual users capabilities
+	 * @param string $cap     initial capability name that is being checked (the "map" key)
+	 * @param int    $user_id The user id
+	 * @param array  $args    Adds context to the cap. Typically the object ID.
+	 *
+	 * @return array   actual users capabilities
+	 */
+	abstract protected function _map_meta_caps($caps, $cap, $user_id, $args);
 }
 
 
@@ -1156,81 +1156,81 @@ 
 class EE_Meta_Capability_Map_Edit extends EE_Meta_Capability_Map
 {
 
-    /**
-     * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
-     * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
-     *
-     * @since 4.5.0
-     * @see   wp-includes/capabilities.php
-     *
-     * @param array  $caps    actual users capabilities
-     * @param string $cap     initial capability name that is being checked (the "map" key)
-     * @param int    $user_id The user id
-     * @param array  $args    Adds context to the cap. Typically the object ID.
-     *
-     * @return array   actual users capabilities
-     */
-    protected function _map_meta_caps($caps, $cap, $user_id, $args)
-    {
-        // only process if we're checking our mapped_cap
-        if ($cap !== $this->meta_cap) {
-            return $caps;
-        }
-
-        // okay it is a meta cap so let's first remove that cap from the $caps array.
-        if (($key = array_search($cap, $caps)) !== false) {
-            unset($caps[ $key ]);
-        }
-
-        // cast $user_id to int for later explicit comparisons
-        $user_id = (int) $user_id;
-
-        /** @var EE_Base_Class $obj */
-        $obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
-        // if no obj then let's just do cap
-        if (! $obj instanceof EE_Base_Class) {
-            $caps[] = 'do_not_allow';
-            return $caps;
-        }
-        $caps[] = $cap . 's';
-        if ($obj instanceof EE_CPT_Base) {
-            // if the item author is set and the user is the author...
-            if ($obj->wp_user() && $user_id === $obj->wp_user()) {
-                // if obj is published...
-                if ($obj->status() === 'publish') {
-                    $caps[] = $this->published_cap;
-                }
-            } else {
-                // the user is trying to edit someone else's obj
-                if (! empty($this->others_cap)) {
-                    $caps[] = $this->others_cap;
-                }
-                if (! empty($this->published_cap) && $obj->status() === 'publish') {
-                    $caps[] = $this->published_cap;
-                } elseif (! empty($this->private_cap) && $obj->status() === 'private') {
-                    $caps[] = $this->private_cap;
-                }
-            }
-        } else {
-            // not a cpt object so handled differently
-            $has_cap = false;
-            try {
-                $has_cap = method_exists($obj, 'wp_user')
-                           && $obj->wp_user()
-                           && $obj->wp_user() === $user_id;
-            } catch (Exception $e) {
-                if (WP_DEBUG) {
-                    EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-                }
-            }
-            if (! $has_cap) {
-                if (! empty($this->others_cap)) {
-                    $caps[] = $this->others_cap;
-                }
-            }
-        }
-        return $caps;
-    }
+	/**
+	 * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
+	 * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
+	 *
+	 * @since 4.5.0
+	 * @see   wp-includes/capabilities.php
+	 *
+	 * @param array  $caps    actual users capabilities
+	 * @param string $cap     initial capability name that is being checked (the "map" key)
+	 * @param int    $user_id The user id
+	 * @param array  $args    Adds context to the cap. Typically the object ID.
+	 *
+	 * @return array   actual users capabilities
+	 */
+	protected function _map_meta_caps($caps, $cap, $user_id, $args)
+	{
+		// only process if we're checking our mapped_cap
+		if ($cap !== $this->meta_cap) {
+			return $caps;
+		}
+
+		// okay it is a meta cap so let's first remove that cap from the $caps array.
+		if (($key = array_search($cap, $caps)) !== false) {
+			unset($caps[ $key ]);
+		}
+
+		// cast $user_id to int for later explicit comparisons
+		$user_id = (int) $user_id;
+
+		/** @var EE_Base_Class $obj */
+		$obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
+		// if no obj then let's just do cap
+		if (! $obj instanceof EE_Base_Class) {
+			$caps[] = 'do_not_allow';
+			return $caps;
+		}
+		$caps[] = $cap . 's';
+		if ($obj instanceof EE_CPT_Base) {
+			// if the item author is set and the user is the author...
+			if ($obj->wp_user() && $user_id === $obj->wp_user()) {
+				// if obj is published...
+				if ($obj->status() === 'publish') {
+					$caps[] = $this->published_cap;
+				}
+			} else {
+				// the user is trying to edit someone else's obj
+				if (! empty($this->others_cap)) {
+					$caps[] = $this->others_cap;
+				}
+				if (! empty($this->published_cap) && $obj->status() === 'publish') {
+					$caps[] = $this->published_cap;
+				} elseif (! empty($this->private_cap) && $obj->status() === 'private') {
+					$caps[] = $this->private_cap;
+				}
+			}
+		} else {
+			// not a cpt object so handled differently
+			$has_cap = false;
+			try {
+				$has_cap = method_exists($obj, 'wp_user')
+						   && $obj->wp_user()
+						   && $obj->wp_user() === $user_id;
+			} catch (Exception $e) {
+				if (WP_DEBUG) {
+					EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+				}
+			}
+			if (! $has_cap) {
+				if (! empty($this->others_cap)) {
+					$caps[] = $this->others_cap;
+				}
+			}
+		}
+		return $caps;
+	}
 }
 
 
@@ -1247,24 +1247,24 @@ 
 class EE_Meta_Capability_Map_Delete extends EE_Meta_Capability_Map_Edit
 {
 
-    /**
-     * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
-     * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
-     *
-     * @since 4.5.0
-     * @see   wp-includes/capabilities.php
-     *
-     * @param array  $caps    actual users capabilities
-     * @param string $cap     initial capability name that is being checked (the "map" key)
-     * @param int    $user_id The user id
-     * @param array  $args    Adds context to the cap. Typically the object ID.
-     *
-     * @return array   actual users capabilities
-     */
-    protected function _map_meta_caps($caps, $cap, $user_id, $args)
-    {
-        return parent::_map_meta_caps($caps, $cap, $user_id, $args);
-    }
+	/**
+	 * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
+	 * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
+	 *
+	 * @since 4.5.0
+	 * @see   wp-includes/capabilities.php
+	 *
+	 * @param array  $caps    actual users capabilities
+	 * @param string $cap     initial capability name that is being checked (the "map" key)
+	 * @param int    $user_id The user id
+	 * @param array  $args    Adds context to the cap. Typically the object ID.
+	 *
+	 * @return array   actual users capabilities
+	 */
+	protected function _map_meta_caps($caps, $cap, $user_id, $args)
+	{
+		return parent::_map_meta_caps($caps, $cap, $user_id, $args);
+	}
 }
 
 
@@ -1280,85 +1280,85 @@ 
 class EE_Meta_Capability_Map_Read extends EE_Meta_Capability_Map
 {
 
-    /**
-     * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
-     * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
-     *
-     * @since 4.5.0
-     * @see   wp-includes/capabilities.php
-     *
-     * @param array  $caps    actual users capabilities
-     * @param string $cap     initial capability name that is being checked (the "map" key)
-     * @param int    $user_id The user id
-     * @param array  $args    Adds context to the cap. Typically the object ID.
-     *
-     * @return array   actual users capabilities
-     */
-    protected function _map_meta_caps($caps, $cap, $user_id, $args)
-    {
-        // only process if we're checking our mapped cap;
-        if ($cap !== $this->meta_cap) {
-            return $caps;
-        }
-
-        // okay it is a meta cap so let's first remove that cap from the $caps array.
-        if (($key = array_search($cap, $caps)) !== false) {
-            unset($caps[ $key ]);
-        }
-
-        // cast $user_id to int for later explicit comparisons
-        $user_id = (int) $user_id;
-
-        $obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
-        // if no obj then let's just do cap
-        if (! $obj instanceof EE_Base_Class) {
-            $caps[] = 'do_not_allow';
-            return $caps;
-        }
-
-        $caps[] = $cap . 's';
-        if ($obj instanceof EE_CPT_Base) {
-            $status_obj = get_post_status_object($obj->status());
-            if ($status_obj->public) {
-                return $caps;
-            }
-            // if the item author is set and the user is not the author...
-            if ($obj->wp_user() && $obj->wp_user() !== $user_id) {
-                if (! empty($this->others_cap)) {
-                    $caps[] = $this->others_cap;
-                }
-            }
-            // yes this means that if users created the private post, they are able to see it regardless of private cap.
-            if ($status_obj->private
-                && ! empty($this->private_cap)
-                && $obj->wp_user() !== $user_id
-            ) {
-                // the user is trying to view a private object for an object they don't own.
-                $caps[] = $this->private_cap;
-            }
-        } else {
-            // not a cpt object so handled differently
-            $has_cap = false;
-            try {
-                $has_cap = method_exists($obj, 'wp_user')
-                           && $obj->wp_user()
-                           && $obj->wp_user() === $user_id;
-            } catch (Exception $e) {
-                if (WP_DEBUG) {
-                    EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-                }
-            }
-            if (! $has_cap) {
-                if (! empty($this->private_cap)) {
-                    $caps[] = $this->private_cap;
-                }
-                if (! empty($this->others_cap)) {
-                    $caps[] = $this->others_cap;
-                }
-            }
-        }
-        return $caps;
-    }
+	/**
+	 * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
+	 * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
+	 *
+	 * @since 4.5.0
+	 * @see   wp-includes/capabilities.php
+	 *
+	 * @param array  $caps    actual users capabilities
+	 * @param string $cap     initial capability name that is being checked (the "map" key)
+	 * @param int    $user_id The user id
+	 * @param array  $args    Adds context to the cap. Typically the object ID.
+	 *
+	 * @return array   actual users capabilities
+	 */
+	protected function _map_meta_caps($caps, $cap, $user_id, $args)
+	{
+		// only process if we're checking our mapped cap;
+		if ($cap !== $this->meta_cap) {
+			return $caps;
+		}
+
+		// okay it is a meta cap so let's first remove that cap from the $caps array.
+		if (($key = array_search($cap, $caps)) !== false) {
+			unset($caps[ $key ]);
+		}
+
+		// cast $user_id to int for later explicit comparisons
+		$user_id = (int) $user_id;
+
+		$obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
+		// if no obj then let's just do cap
+		if (! $obj instanceof EE_Base_Class) {
+			$caps[] = 'do_not_allow';
+			return $caps;
+		}
+
+		$caps[] = $cap . 's';
+		if ($obj instanceof EE_CPT_Base) {
+			$status_obj = get_post_status_object($obj->status());
+			if ($status_obj->public) {
+				return $caps;
+			}
+			// if the item author is set and the user is not the author...
+			if ($obj->wp_user() && $obj->wp_user() !== $user_id) {
+				if (! empty($this->others_cap)) {
+					$caps[] = $this->others_cap;
+				}
+			}
+			// yes this means that if users created the private post, they are able to see it regardless of private cap.
+			if ($status_obj->private
+				&& ! empty($this->private_cap)
+				&& $obj->wp_user() !== $user_id
+			) {
+				// the user is trying to view a private object for an object they don't own.
+				$caps[] = $this->private_cap;
+			}
+		} else {
+			// not a cpt object so handled differently
+			$has_cap = false;
+			try {
+				$has_cap = method_exists($obj, 'wp_user')
+						   && $obj->wp_user()
+						   && $obj->wp_user() === $user_id;
+			} catch (Exception $e) {
+				if (WP_DEBUG) {
+					EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+				}
+			}
+			if (! $has_cap) {
+				if (! empty($this->private_cap)) {
+					$caps[] = $this->private_cap;
+				}
+				if (! empty($this->others_cap)) {
+					$caps[] = $this->others_cap;
+				}
+			}
+		}
+		return $caps;
+	}
 }
 
 
@@ -1375,56 +1375,56 @@ 
 class EE_Meta_Capability_Map_Messages_Cap extends EE_Meta_Capability_Map
 {
 
-    /**
-     * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
-     * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
-     *
-     * @since 4.5.0
-     * @see   wp-includes/capabilities.php
-     *
-     * @param array  $caps    actual users capabilities
-     * @param string $cap     initial capability name that is being checked (the "map" key)
-     * @param int    $user_id The user id
-     * @param array  $args    Adds context to the cap. Typically the object ID.
-     *
-     * @return array   actual users capabilities
-     */
-    protected function _map_meta_caps($caps, $cap, $user_id, $args)
-    {
-        // only process if we're checking our mapped_cap
-        if ($cap !== $this->meta_cap) {
-            return $caps;
-        }
-
-        // okay it is a meta cap so let's first remove that cap from the $caps array.
-        if (($key = array_search($cap, $caps)) !== false) {
-            unset($caps[ $key ]);
-        }
-
-        // cast $user_id to int for later explicit comparisons
-        $user_id = (int) $user_id;
-
-        $obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
-        // if no obj then let's just do cap
-        if (! $obj instanceof EE_Message_Template_Group) {
-            $caps[] = 'do_not_allow';
-            return $caps;
-        }
-        $caps[] = $cap . 's';
-        $is_global = $obj->is_global();
-        if ($obj->wp_user() && $obj->wp_user() === $user_id) {
-            if ($is_global) {
-                $caps[] = $this->private_cap;
-            }
-        } else {
-            if ($is_global) {
-                $caps[] = $this->private_cap;
-            } else {
-                $caps[] = $this->others_cap;
-            }
-        }
-        return $caps;
-    }
+	/**
+	 * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
+	 * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
+	 *
+	 * @since 4.5.0
+	 * @see   wp-includes/capabilities.php
+	 *
+	 * @param array  $caps    actual users capabilities
+	 * @param string $cap     initial capability name that is being checked (the "map" key)
+	 * @param int    $user_id The user id
+	 * @param array  $args    Adds context to the cap. Typically the object ID.
+	 *
+	 * @return array   actual users capabilities
+	 */
+	protected function _map_meta_caps($caps, $cap, $user_id, $args)
+	{
+		// only process if we're checking our mapped_cap
+		if ($cap !== $this->meta_cap) {
+			return $caps;
+		}
+
+		// okay it is a meta cap so let's first remove that cap from the $caps array.
+		if (($key = array_search($cap, $caps)) !== false) {
+			unset($caps[ $key ]);
+		}
+
+		// cast $user_id to int for later explicit comparisons
+		$user_id = (int) $user_id;
+
+		$obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
+		// if no obj then let's just do cap
+		if (! $obj instanceof EE_Message_Template_Group) {
+			$caps[] = 'do_not_allow';
+			return $caps;
+		}
+		$caps[] = $cap . 's';
+		$is_global = $obj->is_global();
+		if ($obj->wp_user() && $obj->wp_user() === $user_id) {
+			if ($is_global) {
+				$caps[] = $this->private_cap;
+			}
+		} else {
+			if ($is_global) {
+				$caps[] = $this->private_cap;
+			} else {
+				$caps[] = $this->others_cap;
+			}
+		}
+		return $caps;
+	}
 }
 
 
@@ -1441,40 +1441,40 @@ 
 class EE_Meta_Capability_Map_Registration_Form_Cap extends EE_Meta_Capability_Map
 {
 
-    /**
-     * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
-     * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
-     *
-     * @since 4.5.0
-     * @see   wp-includes/capabilities.php
-     * @param array  $caps    actual users capabilities
-     * @param string $cap     initial capability name that is being checked (the "map" key)
-     * @param int    $user_id The user id
-     * @param array  $args    Adds context to the cap. Typically the object ID.
-     * @return array   actual users capabilities
-     */
-    protected function _map_meta_caps($caps, $cap, $user_id, $args)
-    {
-        // only process if we're checking our mapped_cap
-        if ($cap !== $this->meta_cap) {
-            return $caps;
-        }
-        // okay it is a meta cap so let's first remove that cap from the $caps array.
-        if (($key = array_search($cap, $caps)) !== false) {
-            unset($caps[ $key ]);
-        }
-        $obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
-        // if no obj then let's just do cap
-        if (! $obj instanceof EE_Base_Class) {
-            $caps[] = 'do_not_allow';
-            return $caps;
-        }
-        $caps[] = $cap . 's';
-        $is_system = $obj instanceof EE_Question_Group ? $obj->system_group() : false;
-        $is_system = $obj instanceof EE_Question ? $obj->is_system_question() : $is_system;
-        if ($is_system) {
-            $caps[] = $this->private_cap;
-        }
-        return $caps;
-    }
+	/**
+	 * This is the callback for the wp map_meta_caps() function which allows for ensuring certain caps that act as a
+	 * "meta" for other caps ( i.e. ee_edit_event is a meta for ee_edit_others_events ) work as expected.
+	 *
+	 * @since 4.5.0
+	 * @see   wp-includes/capabilities.php
+	 * @param array  $caps    actual users capabilities
+	 * @param string $cap     initial capability name that is being checked (the "map" key)
+	 * @param int    $user_id The user id
+	 * @param array  $args    Adds context to the cap. Typically the object ID.
+	 * @return array   actual users capabilities
+	 */
+	protected function _map_meta_caps($caps, $cap, $user_id, $args)
+	{
+		// only process if we're checking our mapped_cap
+		if ($cap !== $this->meta_cap) {
+			return $caps;
+		}
+		// okay it is a meta cap so let's first remove that cap from the $caps array.
+		if (($key = array_search($cap, $caps)) !== false) {
+			unset($caps[ $key ]);
+		}
+		$obj = ! empty($args[0]) ? $this->_model->get_one_by_ID($args[0]) : null;
+		// if no obj then let's just do cap
+		if (! $obj instanceof EE_Base_Class) {
+			$caps[] = 'do_not_allow';
+			return $caps;
+		}
+		$caps[] = $cap . 's';
+		$is_system = $obj instanceof EE_Question_Group ? $obj->system_group() : false;
+		$is_system = $obj instanceof EE_Question ? $obj->is_system_question() : $is_system;
+		if ($is_system) {
+			$caps[] = $this->private_cap;
+		}
+		return $caps;
+	}
 }

caffeinated/admin/extend/transactions/Extend_Transactions_Admin_Page.core.php

Doc Comments +1 added lines, -1 removed lines

@@ -198,7 +198,7 @@
      *
      * @param string $period The period (acceptable by PHP Datetime constructor) for which the report is generated.
      *
-     * @return int
+     * @return string
      */
     private function _revenue_per_event_report($period = '-1 month')
     {

Indentation +235 added lines, -235 removed lines

@@ -16,239 +16,239 @@
 {
 
 
-    /**
-     * This is used to hold the reports template data which is setup early in the request.
-     *
-     * @type array
-     */
-    protected $_reports_template_data = array();
-
-    /**
-     * @Constructor
-     * @access public
-     *
-     * @param bool $routing
-     *
-     * @return \Extend_Transactions_Admin_Page
-     */
-    public function __construct($routing = true)
-    {
-        parent::__construct($routing);
-        define('TXN_CAF_TEMPLATE_PATH', EE_CORE_CAF_ADMIN_EXTEND . 'transactions/templates/');
-        define('TXN_CAF_ASSETS', EE_CORE_CAF_ADMIN_EXTEND . 'transactions/assets/');
-        define('TXN_CAF_ASSETS_URL', EE_CORE_CAF_ADMIN_EXTEND_URL . 'transactions/assets/');
-    }
-
-
-    /**
-     *    _extend_page_config
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _extend_page_config()
-    {
-        $this->_admin_base_path = EE_CORE_CAF_ADMIN_EXTEND . 'transactions';
-
-        $new_page_routes = array(
-            'reports' => array(
-                'func'       => '_transaction_reports',
-                'capability' => 'ee_read_transactions',
-            ),
-        );
-
-        $this->_page_routes = array_merge($this->_page_routes, $new_page_routes);
-
-        $new_page_config = array(
-            'reports' => array(
-                'nav'           => array(
-                    'label' => __('Reports', 'event_espresso'),
-                    'order' => 20,
-                ),
-                'help_tabs'     => array(
-                    'transactions_reports_help_tab' => array(
-                        'title'    => __('Transaction Reports', 'event_espresso'),
-                        'filename' => 'transactions_reports',
-                    ),
-                ),
-                /*'help_tour' => array( 'Transaction_Reports_Help_Tour' ),*/
-                'require_nonce' => false,
-            ),
-        );
-        $this->_page_config = array_merge($this->_page_config, $new_page_config);
-    }
-
-
-    /**
-     *    load_scripts_styles_reports
-     *
-     * @access public
-     * @return void
-     */
-    public function load_scripts_styles_reports()
-    {
-        wp_register_script(
-            'ee-txn-reports-js',
-            TXN_CAF_ASSETS_URL . 'ee-transaction-admin-reports.js',
-            array('google-charts'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_enqueue_script('ee-txn-reports-js');
-        $this->_transaction_reports_js_setup();
-        EE_Registry::$i18n_js_strings['currency_format'] = EEH_Money::get_format_for_google_charts();
-    }
-
-
-    /**
-     * This is called when javascript is being enqueued to setup the various data needed for the reports js.
-     * Also $this->{$_reports_template_data} property is set for later usage by the _transaction_reports method.
-     */
-    protected function _transaction_reports_js_setup()
-    {
-        $this->_reports_template_data['admin_reports'][] = $this->_revenue_per_day_report();
-        $this->_reports_template_data['admin_reports'][] = $this->_revenue_per_event_report();
-    }
-
-
-    /**
-     * _transaction_reports
-     *    generates Business Reports regarding Transactions
-     *
-     * @return void
-     */
-    protected function _transaction_reports()
-    {
-        $template_path = EE_ADMIN_TEMPLATE . 'admin_reports.template.php';
-        $this->_admin_page_title = __('Transactions', 'event_espresso');
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            $template_path,
-            $this->_reports_template_data,
-            true
-        );
-
-        // the final template wrapper
-        $this->display_admin_page_with_no_sidebar();
-    }
-
-
-    /**
-     * _revenue_per_day_report
-     * generates Business Report showing Total Revenue per Day.
-     *
-     * @param string $period The period (acceptable by PHP Datetime constructor) for which the report is generated.
-     *
-     * @return string
-     */
-    private function _revenue_per_day_report($period = '-1 month')
-    {
-
-        $report_ID = 'txn-admin-revenue-per-day-report-dv';
-
-        $TXN = EEM_Transaction::instance();
-
-        $results = $TXN->get_revenue_per_day_report($period);
-        $results = (array) $results;
-        $revenue = array();
-        $subtitle = '';
-
-        if ($results) {
-            $revenue[] = array(
-                __('Date (only shows dates that have a revenue greater than 1)', 'event_espresso'),
-                __('Total Revenue', 'event_espresso'),
-            );
-            foreach ($results as $result) {
-                $revenue[] = array($result->txnDate, (float) $result->revenue);
-            }
-
-            // setup the date range.
-            $beginning_date = new DateTime('now' . $period, new DateTimeZone(EEH_DTT_Helper::get_timezone()));
-            $ending_date = new DateTime('now', new DateTimeZone(EEH_DTT_Helper::get_timezone()));
-            $subtitle = sprintf(
-                _x('For the period: %s to %s', 'Used to give date range', 'event_espresso'),
-                $beginning_date->format('Y-m-d'),
-                $ending_date->format('Y-m-d')
-            );
-        }
-
-        $report_title = esc_html__('Total Revenue per Day', 'event_espresso');
-
-        $report_params = array(
-            'title'     => $report_title,
-            'subtitle'  => $subtitle,
-            'id'        => $report_ID,
-            'revenue'   => $revenue,
-            'noResults' => empty($revenue) || count($revenue) === 1,
-            'noTxnMsg'  => sprintf(
-                __('%sThere is no revenue to report for the last 30 days.%s', 'event_espresso'),
-                '<h2>' . $report_title . '</h2><p>',
-                '</p>'
-            ),
-        );
-        wp_localize_script('ee-txn-reports-js', 'txnRevPerDay', $report_params);
-
-        return $report_ID;
-    }
-
-
-    /**
-     * _revenue_per_event_report
-     * generates Business Report showing total revenue per event.
-     *
-     * @param string $period The period (acceptable by PHP Datetime constructor) for which the report is generated.
-     *
-     * @return int
-     */
-    private function _revenue_per_event_report($period = '-1 month')
-    {
-
-        $report_ID = 'txn-admin-revenue-per-event-report-dv';
-
-        $TXN = EEM_Transaction::instance();
-        $results = $TXN->get_revenue_per_event_report($period);
-        $results = (array) $results;
-        $revenue = array();
-        $subtitle = '';
-
-        if ($results) {
-            $revenue[] = array(
-                __('Event (only events that have a revenue greater than 1 are shown)', 'event_espresso'),
-                __('Total Revenue', 'event_espresso'),
-            );
-            foreach ($results as $result) {
-                if ($result->revenue > 1) {
-                    $event_name = stripslashes(html_entity_decode($result->event_name, ENT_QUOTES, 'UTF-8'));
-                    $event_name = wp_trim_words($event_name, 5, '...');
-                    $revenue[] = array($event_name, (float) $result->revenue);
-                }
-            }
-
-            // setup the date range.
-            $beginning_date = new DateTime('now' . $period, new DateTimeZone(EEH_DTT_Helper::get_timezone()));
-            $ending_date = new DateTime('now', new DateTimeZone(EEH_DTT_Helper::get_timezone()));
-            $subtitle = sprintf(
-                _x('For the period: %s to %s', 'Used to give date range', 'event_espresso'),
-                $beginning_date->format('Y-m-d'),
-                $ending_date->format('Y-m-d')
-            );
-        }
-
-        $report_title = esc_html__('Total Revenue per Event', 'event_espresso');
-
-        $report_params = array(
-            'title'     => $report_title,
-            'subtitle'  => $subtitle,
-            'id'        => $report_ID,
-            'revenue'   => $revenue,
-            'noResults' => empty($revenue),
-            'noTxnMsg'  => sprintf(
-                __('%sThere is no revenue to report for the last 30 days.%s', 'event_espresso'),
-                '<h2>' . $report_title . '</h2><p>',
-                '</p>'
-            ),
-        );
-        wp_localize_script('ee-txn-reports-js', 'txnRevPerEvent', $report_params);
-
-        return $report_ID;
-    }
+	/**
+	 * This is used to hold the reports template data which is setup early in the request.
+	 *
+	 * @type array
+	 */
+	protected $_reports_template_data = array();
+
+	/**
+	 * @Constructor
+	 * @access public
+	 *
+	 * @param bool $routing
+	 *
+	 * @return \Extend_Transactions_Admin_Page
+	 */
+	public function __construct($routing = true)
+	{
+		parent::__construct($routing);
+		define('TXN_CAF_TEMPLATE_PATH', EE_CORE_CAF_ADMIN_EXTEND . 'transactions/templates/');
+		define('TXN_CAF_ASSETS', EE_CORE_CAF_ADMIN_EXTEND . 'transactions/assets/');
+		define('TXN_CAF_ASSETS_URL', EE_CORE_CAF_ADMIN_EXTEND_URL . 'transactions/assets/');
+	}
+
+
+	/**
+	 *    _extend_page_config
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _extend_page_config()
+	{
+		$this->_admin_base_path = EE_CORE_CAF_ADMIN_EXTEND . 'transactions';
+
+		$new_page_routes = array(
+			'reports' => array(
+				'func'       => '_transaction_reports',
+				'capability' => 'ee_read_transactions',
+			),
+		);
+
+		$this->_page_routes = array_merge($this->_page_routes, $new_page_routes);
+
+		$new_page_config = array(
+			'reports' => array(
+				'nav'           => array(
+					'label' => __('Reports', 'event_espresso'),
+					'order' => 20,
+				),
+				'help_tabs'     => array(
+					'transactions_reports_help_tab' => array(
+						'title'    => __('Transaction Reports', 'event_espresso'),
+						'filename' => 'transactions_reports',
+					),
+				),
+				/*'help_tour' => array( 'Transaction_Reports_Help_Tour' ),*/
+				'require_nonce' => false,
+			),
+		);
+		$this->_page_config = array_merge($this->_page_config, $new_page_config);
+	}
+
+
+	/**
+	 *    load_scripts_styles_reports
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function load_scripts_styles_reports()
+	{
+		wp_register_script(
+			'ee-txn-reports-js',
+			TXN_CAF_ASSETS_URL . 'ee-transaction-admin-reports.js',
+			array('google-charts'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_enqueue_script('ee-txn-reports-js');
+		$this->_transaction_reports_js_setup();
+		EE_Registry::$i18n_js_strings['currency_format'] = EEH_Money::get_format_for_google_charts();
+	}
+
+
+	/**
+	 * This is called when javascript is being enqueued to setup the various data needed for the reports js.
+	 * Also $this->{$_reports_template_data} property is set for later usage by the _transaction_reports method.
+	 */
+	protected function _transaction_reports_js_setup()
+	{
+		$this->_reports_template_data['admin_reports'][] = $this->_revenue_per_day_report();
+		$this->_reports_template_data['admin_reports'][] = $this->_revenue_per_event_report();
+	}
+
+
+	/**
+	 * _transaction_reports
+	 *    generates Business Reports regarding Transactions
+	 *
+	 * @return void
+	 */
+	protected function _transaction_reports()
+	{
+		$template_path = EE_ADMIN_TEMPLATE . 'admin_reports.template.php';
+		$this->_admin_page_title = __('Transactions', 'event_espresso');
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			$template_path,
+			$this->_reports_template_data,
+			true
+		);
+
+		// the final template wrapper
+		$this->display_admin_page_with_no_sidebar();
+	}
+
+
+	/**
+	 * _revenue_per_day_report
+	 * generates Business Report showing Total Revenue per Day.
+	 *
+	 * @param string $period The period (acceptable by PHP Datetime constructor) for which the report is generated.
+	 *
+	 * @return string
+	 */
+	private function _revenue_per_day_report($period = '-1 month')
+	{
+
+		$report_ID = 'txn-admin-revenue-per-day-report-dv';
+
+		$TXN = EEM_Transaction::instance();
+
+		$results = $TXN->get_revenue_per_day_report($period);
+		$results = (array) $results;
+		$revenue = array();
+		$subtitle = '';
+
+		if ($results) {
+			$revenue[] = array(
+				__('Date (only shows dates that have a revenue greater than 1)', 'event_espresso'),
+				__('Total Revenue', 'event_espresso'),
+			);
+			foreach ($results as $result) {
+				$revenue[] = array($result->txnDate, (float) $result->revenue);
+			}
+
+			// setup the date range.
+			$beginning_date = new DateTime('now' . $period, new DateTimeZone(EEH_DTT_Helper::get_timezone()));
+			$ending_date = new DateTime('now', new DateTimeZone(EEH_DTT_Helper::get_timezone()));
+			$subtitle = sprintf(
+				_x('For the period: %s to %s', 'Used to give date range', 'event_espresso'),
+				$beginning_date->format('Y-m-d'),
+				$ending_date->format('Y-m-d')
+			);
+		}
+
+		$report_title = esc_html__('Total Revenue per Day', 'event_espresso');
+
+		$report_params = array(
+			'title'     => $report_title,
+			'subtitle'  => $subtitle,
+			'id'        => $report_ID,
+			'revenue'   => $revenue,
+			'noResults' => empty($revenue) || count($revenue) === 1,
+			'noTxnMsg'  => sprintf(
+				__('%sThere is no revenue to report for the last 30 days.%s', 'event_espresso'),
+				'<h2>' . $report_title . '</h2><p>',
+				'</p>'
+			),
+		);
+		wp_localize_script('ee-txn-reports-js', 'txnRevPerDay', $report_params);
+
+		return $report_ID;
+	}
+
+
+	/**
+	 * _revenue_per_event_report
+	 * generates Business Report showing total revenue per event.
+	 *
+	 * @param string $period The period (acceptable by PHP Datetime constructor) for which the report is generated.
+	 *
+	 * @return int
+	 */
+	private function _revenue_per_event_report($period = '-1 month')
+	{
+
+		$report_ID = 'txn-admin-revenue-per-event-report-dv';
+
+		$TXN = EEM_Transaction::instance();
+		$results = $TXN->get_revenue_per_event_report($period);
+		$results = (array) $results;
+		$revenue = array();
+		$subtitle = '';
+
+		if ($results) {
+			$revenue[] = array(
+				__('Event (only events that have a revenue greater than 1 are shown)', 'event_espresso'),
+				__('Total Revenue', 'event_espresso'),
+			);
+			foreach ($results as $result) {
+				if ($result->revenue > 1) {
+					$event_name = stripslashes(html_entity_decode($result->event_name, ENT_QUOTES, 'UTF-8'));
+					$event_name = wp_trim_words($event_name, 5, '...');
+					$revenue[] = array($event_name, (float) $result->revenue);
+				}
+			}
+
+			// setup the date range.
+			$beginning_date = new DateTime('now' . $period, new DateTimeZone(EEH_DTT_Helper::get_timezone()));
+			$ending_date = new DateTime('now', new DateTimeZone(EEH_DTT_Helper::get_timezone()));
+			$subtitle = sprintf(
+				_x('For the period: %s to %s', 'Used to give date range', 'event_espresso'),
+				$beginning_date->format('Y-m-d'),
+				$ending_date->format('Y-m-d')
+			);
+		}
+
+		$report_title = esc_html__('Total Revenue per Event', 'event_espresso');
+
+		$report_params = array(
+			'title'     => $report_title,
+			'subtitle'  => $subtitle,
+			'id'        => $report_ID,
+			'revenue'   => $revenue,
+			'noResults' => empty($revenue),
+			'noTxnMsg'  => sprintf(
+				__('%sThere is no revenue to report for the last 30 days.%s', 'event_espresso'),
+				'<h2>' . $report_title . '</h2><p>',
+				'</p>'
+			),
+		);
+		wp_localize_script('ee-txn-reports-js', 'txnRevPerEvent', $report_params);
+
+		return $report_ID;
+	}
 }

Spacing +10 added lines, -10 removed lines

@@ -34,9 +34,9 @@ 
     public function __construct($routing = true)
     {
         parent::__construct($routing);
-        define('TXN_CAF_TEMPLATE_PATH', EE_CORE_CAF_ADMIN_EXTEND . 'transactions/templates/');
-        define('TXN_CAF_ASSETS', EE_CORE_CAF_ADMIN_EXTEND . 'transactions/assets/');
-        define('TXN_CAF_ASSETS_URL', EE_CORE_CAF_ADMIN_EXTEND_URL . 'transactions/assets/');
+        define('TXN_CAF_TEMPLATE_PATH', EE_CORE_CAF_ADMIN_EXTEND.'transactions/templates/');
+        define('TXN_CAF_ASSETS', EE_CORE_CAF_ADMIN_EXTEND.'transactions/assets/');
+        define('TXN_CAF_ASSETS_URL', EE_CORE_CAF_ADMIN_EXTEND_URL.'transactions/assets/');
     }
 
 
@@ -48,7 +48,7 @@ 
      */
     protected function _extend_page_config()
     {
-        $this->_admin_base_path = EE_CORE_CAF_ADMIN_EXTEND . 'transactions';
+        $this->_admin_base_path = EE_CORE_CAF_ADMIN_EXTEND.'transactions';
 
         $new_page_routes = array(
             'reports' => array(
@@ -89,7 +89,7 @@ 
     {
         wp_register_script(
             'ee-txn-reports-js',
-            TXN_CAF_ASSETS_URL . 'ee-transaction-admin-reports.js',
+            TXN_CAF_ASSETS_URL.'ee-transaction-admin-reports.js',
             array('google-charts'),
             EVENT_ESPRESSO_VERSION,
             true
@@ -119,7 +119,7 @@ 
      */
     protected function _transaction_reports()
     {
-        $template_path = EE_ADMIN_TEMPLATE . 'admin_reports.template.php';
+        $template_path = EE_ADMIN_TEMPLATE.'admin_reports.template.php';
         $this->_admin_page_title = __('Transactions', 'event_espresso');
         $this->_template_args['admin_page_content'] = EEH_Template::display_template(
             $template_path,
@@ -162,7 +162,7 @@ 
             }
 
             // setup the date range.
-            $beginning_date = new DateTime('now' . $period, new DateTimeZone(EEH_DTT_Helper::get_timezone()));
+            $beginning_date = new DateTime('now'.$period, new DateTimeZone(EEH_DTT_Helper::get_timezone()));
             $ending_date = new DateTime('now', new DateTimeZone(EEH_DTT_Helper::get_timezone()));
             $subtitle = sprintf(
                 _x('For the period: %s to %s', 'Used to give date range', 'event_espresso'),
@@ -181,7 +181,7 @@ 
             'noResults' => empty($revenue) || count($revenue) === 1,
             'noTxnMsg'  => sprintf(
                 __('%sThere is no revenue to report for the last 30 days.%s', 'event_espresso'),
-                '<h2>' . $report_title . '</h2><p>',
+                '<h2>'.$report_title.'</h2><p>',
                 '</p>'
             ),
         );
@@ -224,7 +224,7 @@ 
             }
 
             // setup the date range.
-            $beginning_date = new DateTime('now' . $period, new DateTimeZone(EEH_DTT_Helper::get_timezone()));
+            $beginning_date = new DateTime('now'.$period, new DateTimeZone(EEH_DTT_Helper::get_timezone()));
             $ending_date = new DateTime('now', new DateTimeZone(EEH_DTT_Helper::get_timezone()));
             $subtitle = sprintf(
                 _x('For the period: %s to %s', 'Used to give date range', 'event_espresso'),
@@ -243,7 +243,7 @@ 
             'noResults' => empty($revenue),
             'noTxnMsg'  => sprintf(
                 __('%sThere is no revenue to report for the last 30 days.%s', 'event_espresso'),
-                '<h2>' . $report_title . '</h2><p>',
+                '<h2>'.$report_title.'</h2><p>',
                 '</p>'
             ),
         );

caffeinated/EE_Caf_Messages.class.php

Doc Comments +2 added lines, -2 removed lines

@@ -91,7 +91,7 @@ 
      *
      * @param  array $dir_ref original array of paths
      *
-     * @return array           appended paths
+     * @return string[]           appended paths
      */
     public function messages_autoload_paths($dir_ref)
     {
@@ -701,7 +701,7 @@ 
      * @param EE_Question[]  $questions        An array of questions indexed by answer id.
      * @param EE_Answer[]    $answers          An array of answer objects
      * @param string         $template         Template content to be parsed.
-     * @param array          $valid_shortcodes Valid shortcodes for the template being parsed.
+     * @param string[]          $valid_shortcodes Valid shortcodes for the template being parsed.
      * @param array          $extra_data       Extra data that might be used when parsing the template.
      */
     protected function _parse_question_list_for_primary_or_recipient_registration(

Indentation +799 added lines, -799 removed lines

@@ -13,803 +13,803 @@
 {
 
 
-    /**
-     * constructor.
-     */
-    public function __construct()
-    {
-        $this->_caf_hooks();
-    }
-
-
-    /**
-     * Contains all the hooks filters for setting up caffeinated messages functionality.
-     *
-     * @since 4.3.2
-     *
-     * @return void
-     */
-    private function _caf_hooks()
-    {
-        add_filter('FHEE__EED_Messages___set_messages_paths___MSG_PATHS', array($this, 'messages_autoload_paths'), 5);
-        add_filter(
-            'FHEE__EE_Email_messenger__get_validator_config',
-            array($this, 'email_messenger_validator_config'),
-            5,
-            2
-        );
-        add_filter(
-            'FHEE__EE_Email_messenger__get_template_fields',
-            array($this, 'email_messenger_template_fields'),
-            5,
-            2
-        );
-        add_filter(
-            'FHEE__EE_Html_messenger__get_template_fields',
-            array($this, 'html_messenger_template_fields'),
-            5,
-            2
-        );
-        add_filter(
-            'FHEE__EE_Html_messenger__get_validator_config',
-            array($this, 'html_messenger_validator_config'),
-            5,
-            2
-        );
-        add_filter('FHEE__EE_Pdf_messenger__get_template_fields', array($this, 'pdf_messenger_template_fields'), 5, 2);
-        add_filter(
-            'FHEE__EE_Pdf_messenger__get_validator_config',
-            array($this, 'pdf_messenger_validator_config'),
-            5,
-            2
-        );
-        add_filter(
-            'FHEE__EE_Messages_Template_Pack__get_specific_template__contents',
-            array($this, 'new_default_templates'),
-            5,
-            7
-        );
-        add_filter(
-            'FHEE__EE_Messages_Base__get_valid_shortcodes',
-            array($this, 'message_types_valid_shortcodes'),
-            5,
-            2
-        );
-
-        // shortcode parsers
-        add_filter('FHEE__EE_Attendee_Shortcodes__shortcodes', array($this, 'additional_attendee_shortcodes'), 5, 2);
-        add_filter('FHEE__EE_Attendee_Shortcodes__parser_after', array($this, 'additional_attendee_parser'), 5, 5);
-        add_filter(
-            'FHEE__EE_Recipient_List_Shortcodes__shortcodes',
-            array($this, 'additional_recipient_details_shortcodes'),
-            5,
-            2
-        );
-        add_filter(
-            'FHEE__EE_Recipient_List_Shortcodes__parser_after',
-            array($this, 'additional_recipient_details_parser'),
-            5,
-            5
-        );
-        add_filter(
-            'FHEE__EE_Primary_Registration_List_Shortcodes__shortcodes',
-            array($this, 'additional_primary_registration_details_shortcodes'),
-            5,
-            2
-        );
-        add_filter(
-            'FHEE__EE_Primary_Registration_List_Shortcodes__parser_after',
-            array($this, 'additional_primary_registration_details_parser'),
-            5,
-            5
-        );
-
-        /**
-         * @since 4.2.0
-         */
-        add_filter('FHEE__EE_Datetime_Shortcodes__shortcodes', array($this, 'additional_datetime_shortcodes'), 10, 2);
-        add_filter('FHEE__EE_Datetime_Shortcodes__parser_after', array($this, 'additional_datetime_parser'), 10, 5);
-
-        /**
-         * @since 4.3.0
-         */
-        // eat our own dog food!
-        add_action('EE_Brewing_Regular___messages_caf', array($this, 'register_caf_message_types'));
-        add_action('EE_Brewing_Regular___messages_caf', array($this, 'register_caf_shortcodes'));
-        do_action('EE_Brewing_Regular___messages_caf');
-    }
-
-
-    /**
-     * This just allows us to add additional paths to the autoloader (EED_Messages::autoload_messages()) for the
-     * messages system.
-     *
-     * @param  array $dir_ref original array of paths
-     *
-     * @return array           appended paths
-     */
-    public function messages_autoload_paths($dir_ref)
-    {
-        $dir_ref[] = EE_CAF_LIBRARIES . 'shortcodes/';
-
-        return $dir_ref;
-    }
-
-
-    public function email_messenger_validator_config($validator_config, EE_Email_messenger $messenger)
-    {
-        $validator_config['attendee_list'] = array(
-            'shortcodes' => array('attendee', 'event_list', 'ticket_list', 'question_list'),
-            'required'   => array('[ATTENDEE_LIST]'),
-        );
-        $validator_config['question_list'] = array(
-            'shortcodes' => array('question'),
-            'required'   => array('[QUESTION_LIST]'),
-        );
-
-        return $validator_config;
-    }
-
-
-    public function html_messenger_validator_config($validator_config, EE_Html_messenger $messenger)
-    {
-        $validator_config['attendee_list'] = array(
-            'shortcodes' => array('attendee', 'question_list'),
-            'required'   => array('[ATTENDEE_LIST]'),
-        );
-        $validator_config['question_list'] = array(
-            'shortcodes' => array('question'),
-            'required'   => array('[QUESTION_LIST]'),
-        );
-
-        return $validator_config;
-    }
-
-
-    public function pdf_messenger_validator_config($validator_config, EE_Pdf_messenger $messenger)
-    {
-        $validator_config['attendee_list'] = array(
-            'shortcodes' => array('attendee', 'event_list', 'ticket_list', 'question_list'),
-            'required'   => array('[ATTENDEE_LIST]'),
-        );
-        $validator_config['question_list'] = array(
-            'shortcodes' => array('question'),
-            'required'   => array('[QUESTION_LIST]'),
-        );
-
-        return $validator_config;
-    }
-
-
-    public function email_messenger_template_fields($template_fields, EE_Email_messenger $messenger)
-    {
-        $template_fields['extra']['content']['question_list'] = array(
-            'input'               => 'textarea',
-            'label'               => '[QUESTION_LIST]',
-            'type'                => 'string',
-            'required'            => true,
-            'validation'          => true,
-            'format'              => '%s',
-            'css_class'           => 'large-text',
-            'rows'                => '5',
-            'shortcodes_required' => array('[QUESTION_LIST]'),
-        );
-
-        return $template_fields;
-    }
-
-
-    public function html_messenger_template_fields($template_fields, EE_Html_messenger $messenger)
-    {
-        $template_fields['extra']['content']['question_list'] = array(
-            'input'               => 'textarea',
-            'label'               => '[QUESTION_LIST]',
-            'type'                => 'string',
-            'required'            => true,
-            'validation'          => true,
-            'format'              => '%s',
-            'css_class'           => 'large-text',
-            'rows'                => '5',
-            'shortcodes_required' => array('[QUESTION_LIST]'),
-        );
-
-        return $template_fields;
-    }
-
-
-    public function pdf_messenger_template_fields($template_fields, EE_Pdf_messenger $messenger)
-    {
-        $template_fields['extra']['content']['question_list'] = array(
-            'input'               => 'textarea',
-            'label'               => '[QUESTION_LIST]',
-            'type'                => 'string',
-            'required'            => true,
-            'validation'          => true,
-            'format'              => '%s',
-            'css_class'           => 'large-text',
-            'rows'                => '5',
-            'shortcodes_required' => array('[QUESTION_LIST]'),
-        );
-
-        return $template_fields;
-    }
-
-
-    public function new_default_templates(
-        $contents,
-        $actual_path,
-        EE_messenger $messenger,
-        EE_message_type $message_type,
-        $field,
-        $context,
-        EE_Messages_Template_Pack $template_pack
-    ) {
-
-        // we're only modifying templates for the default template pack
-        if (! $template_pack instanceof EE_Messages_Template_Pack_Default) {
-            return $contents;
-        }
-
-        // the template file name we're replacing contents for.
-        $template_file_prefix = $field . '_' . $context;
-        $msg_prefix = $messenger->name . '_' . $message_type->name . '_';
-
-        $base_path = EE_CAF_LIBRARIES . 'messages/defaults/default/';
-
-        if ($messenger->name == 'email' && $message_type->name == 'registration') {
-            switch ($template_file_prefix) {
-                case 'question_list_admin':
-                case 'question_list_attendee':
-                case 'question_list_primary_attendee':
-                    $path = $base_path . $msg_prefix . 'question_list.template.php';
-                    $contents = EEH_Template::display_template($path, array(), true);
-                    break;
-
-                case 'attendee_list_primary_attendee':
-                    $path = $base_path . $msg_prefix . 'attendee_list.template.php';
-                    $contents = EEH_Template::display_template($path, array(), true);
-                    break;
-
-                case 'attendee_list_admin':
-                    $path = $base_path . $msg_prefix . 'attendee_list_admin.template.php';
-                    $contents = EEH_Template::display_template(
-                        $path,
-                        array(),
-                        true
-                    );
-                    break;
-
-                case 'attendee_list_attendee':
-                    $contents = '';
-                    break;
-
-                case 'event_list_attendee':
-                    $path = $base_path . $msg_prefix . 'event_list_attendee.template.php';
-                    $contents = EEH_Template::display_template($path, array(), true);
-                    break;
-            }
-        } elseif ($messenger->name == 'email' && $message_type->name == 'newsletter') {
-            switch ($template_file_prefix) {
-                case 'content_attendee':
-                    $path = $base_path . $msg_prefix . 'content.template.php';
-                    $contents = EEH_Template::display_template($path, array(), true);
-                    break;
-
-                case 'newsletter_content_attendee':
-                    $path = $base_path . $msg_prefix . 'newsletter_content.template.php';
-                    $contents = EEH_Template::display_template($path, array(), true);
-                    break;
-
-                case 'newsletter_subject_attendee':
-                    $path = $base_path . $msg_prefix . 'subject.template.php';
-                    $contents = EEH_Template::display_template($path, array(), true);
-                    break;
-            }
-        } elseif ($messenger->name == 'html' && $message_type->name == 'receipt') {
-            switch ($template_file_prefix) {
-                case 'attendee_list_purchaser':
-                    $path = $base_path . $msg_prefix . 'attendee_list.template.php';
-                    $contents = EEH_Template::display_template($path, array(), true);
-                    break;
-            }
-        }
-
-        return $contents;
-    }
-
-
-    public function message_types_valid_shortcodes($valid_shortcodes, EE_Messages_Base $msg)
-    {
-        // make sure question_list and question are ONLY added for the core message types.  Any other message types will have to explicitly set question_list as a valid shortcode.
-        $include_with = array(
-            'registration',
-            'cancelled_registration',
-            'declined_registration',
-            'not_approved_registration',
-            'payment_declined',
-            'payment_failed',
-            'payment_cancelled',
-            'payment',
-            'payment_reminder',
-            'pending_approval',
-            'registration_summary',
-            'invoice',
-            'receipt',
-        );
-        if ($msg instanceof EE_message_type && in_array($msg->name, $include_with)) {
-            $contexts = array_keys($msg->get_contexts());
-            foreach ($contexts as $context) {
-                $valid_shortcodes[ $context ][] = 'question_list';
-                $valid_shortcodes[ $context ][] = 'question';
-            }
-        }
-
-        return $valid_shortcodes;
-    }
-
-
-    public function additional_attendee_shortcodes($shortcodes, $shortcode_parser)
-    {
-        $shortcodes['[ANSWER_*]'] = __(
-            'This is a special dynamic shortcode. Right after the "*", add the exact text of a existing question, and if there is an answer for that question for this registrant, that will take the place of this shortcode.',
-            'event_espresso'
-        );
-
-        return $shortcodes;
-    }
-
-
-    public function additional_attendee_parser($parsed, $shortcode, $data, $extra_data, $shortcode_parser)
-    {
-
-        if (strpos($shortcode, '[ANSWER_*') === false
-            || ! isset($extra_data['data']->questions)
-            || ! isset($extra_data['data']->registrations)
-        ) {
-            return $parsed;
-        }
-
-        // let's get the question from the code.
-        $shortcode = str_replace('[ANSWER_*', '', $shortcode);
-        $shortcode = trim(str_replace(']', '', $shortcode));
-
-        $registration = $data instanceof EE_Registration ? $data : null;
-        $registration = ! $registration instanceof EE_Registration && is_array(
-            $extra_data
-        ) && isset($extra_data['data']) && $extra_data['data'] instanceof EE_Registration ? $extra_data['data'] : $registration;
-
-        $aee = $data instanceof EE_Messages_Addressee ? $data : null;
-        $aee = ! $aee instanceof EE_Messages_Addressee && is_array(
-            $extra_data
-        ) && isset($extra_data['data']) ? $extra_data['data'] : $aee;
-
-        if (! $registration instanceof EE_Registration || ! $aee instanceof EE_Messages_Addressee) {
-            return $parsed;
-        }
-
-        // now let's figure out which question has this text.
-        foreach ($aee->questions as $ansid => $question) {
-            if ($question instanceof EE_Question
-                && trim($question->display_text()) == trim($shortcode)
-                && isset($aee->registrations[ $registration->ID() ]['ans_objs'][ $ansid ])
-            ) {
-                return $aee->registrations[ $registration->ID() ]['ans_objs'][ $ansid ]->get_pretty(
-                    'ANS_value',
-                    'no_wpautop'
-                );
-            }
-        }
-
-        // nothing!
-        return $parsed;
-    }
-
-
-    /**
-     * Callback for additional shortcodes filter for adding additional datetime shortcodes.
-     *
-     * @since  4.2
-     *
-     * @param  array                  $shortcodes         array of shortcodes and
-     *                                                    descriptions
-     * @param  EE_Datetime_Shortcodes $shortcode_parser   EE_Shortcodes object
-     *
-     * @return array                                        array of shortcodes and
-     *                                                        descriptions
-     */
-    public function additional_datetime_shortcodes($shortcodes, $shortcode_parser)
-    {
-        $shortcodes['[DTT_NAME]'] = __(
-            'This will be parsed to the Title given for a Datetime',
-            'event_espresso'
-        );
-        $shortcodes['[DTT_DESCRIPTION]'] = __(
-            'This will be parsed to the description for a Datetime',
-            'event_espresso'
-        );
-        $shortcodes['[DTT_NAME_OR_DATES]'] = __(
-            'When parsed, if the Datetime has a name, it is used, otherwise a formatted string including the start date and end date will be used.',
-            'event_espresso'
-        );
-
-        return $shortcodes;
-    }
-
-
-    /**
-     * Callback for additional shortcodes parser filter used for adding parser for new
-     * Datetime shortcodes
-     *
-     * @since  4.2
-     *
-     * @param  string                 $parsed     The finished parsed string for the given shortcode.
-     * @param  string                 $shortcode  The shortcode being parsed.
-     * @param  object                 $data       The incoming data object for the Shortcode Parser.
-     * @param  object                 $extra_data The incoming extra date object for the Shortcode
-     *                                            Parser.
-     * @param  EE_Datetime_Shortcodes $shortcode_parser
-     *
-     * @return string                   The new parsed string.
-     */
-    public function additional_datetime_parser($parsed, $shortcode, $data, $extra_data, $shortcode_parser)
-    {
-
-        if (! $data instanceof EE_Datetime) {
-            return ''; // get out because we can only parse with the datetime object.
-        }
-
-        switch ($shortcode) {
-            case '[DTT_NAME]':
-                return $data->name();
-                break;
-            case '[DTT_DESCRIPTION]':
-                return $data->description();
-                break;
-            case '[DTT_NAME_OR_DATES]':
-                return $data->get_dtt_display_name(true);
-                break;
-            default:
-                return $parsed;
-                break;
-        }
-    }
-
-
-    public function additional_recipient_details_shortcodes($shortcodes, $shortcode_parser)
-    {
-        $shortcodes['[RECIPIENT_QUESTION_LIST]'] = __(
-            'This is used to indicate where you want the list of questions and answers to show for the person receiving the message.',
-            'event_espresso'
-        );
-
-        return $shortcodes;
-    }
-
-
-    /**
-     * Callback for FHEE__EE_Recipient_List_Shortcodes__parser_after filter (dynamic filter).
-     *
-     * @param string         $parsed           The original parsed content for the shortcode
-     * @param string         $shortcode        The shortcode being parsed
-     * @param array          $data             The shortcode parser data array
-     * @param array          $extra_data       The shortcode parser extra data array
-     * @param \EE_Shortcodes $shortcode_parser Shortcode parser.
-     *
-     * @return string
-     */
-    public function additional_recipient_details_parser($parsed, $shortcode, $data, $extra_data, $shortcode_parser)
-    {
-
-        if (array($data) && ! isset($data['data'])) {
-            return $parsed;
-        }
-
-        $recipient = $data['data'] instanceof EE_Messages_Addressee ? $data['data'] : null;
-        $recipient = ! $recipient instanceof EE_Messages_Addressee && array($extra_data) && isset($extra_data['data']) && $extra_data['data'] instanceof EE_Messages_Addressee ? $extra_data['data'] : $recipient;
-
-        if (! $recipient instanceof EE_Messages_Addressee) {
-            return $parsed;
-        }
-
-        switch ($shortcode) {
-            case '[RECIPIENT_QUESTION_LIST]':
-                $att = $recipient->att_obj;
-                $registrations_on_attendee = $att instanceof EE_Attendee
-                    ? $recipient->attendees[ $att->ID() ]['reg_objs']
-                    : array();
-                $registrations_on_attendee = empty($registrations_on_attendee) && $recipient->reg_obj instanceof EE_Registration ? array($recipient->reg_obj) : $registrations_on_attendee;
-                $answers = array();
-
-                $template = is_array($data['template']) && isset($data['template']['question_list'])
-                    ? $data['template']['question_list']
-                    : $extra_data['template']['question_list'];
-                $valid_shortcodes = array('question');
-
-                // if the context is main_content then get all answers for all registrations on this attendee
-                if ($data['data'] instanceof EE_Messages_Addressee) {
-                    foreach ($registrations_on_attendee as $reg) {
-                        if ($reg instanceof EE_Registration) {
-                            $anss = ! empty($recipient->registrations[ $reg->ID() ]['ans_objs'])
-                                ? $recipient->registrations[ $reg->ID() ]['ans_objs']
-                                : array();
-                            foreach ($anss as $ans) {
-                                if ($ans instanceof EE_Answer) {
-                                    $answers[ $ans->ID() ] = $ans;
-                                }
-                            }
-                        }
-                    }
-                }
-
-                // if the context is the event list parser, then let's return just the answers for all registrations attached to the recipient for that event.
-                if ($data['data'] instanceof EE_Event) {
-                    $event = $data['data'];
-                    foreach ($registrations_on_attendee as $reg) {
-                        if ($reg instanceof EE_Registration && $reg->event_ID() == $event->ID()) {
-                            $anss = ! empty($recipient->registrations[ $reg->ID() ]['ans_objs'])
-                                ? $recipient->registrations[ $reg->ID() ]['ans_objs']
-                                : array();
-                            foreach ($anss as $ans) {
-                                if ($ans instanceof EE_Answer) {
-                                    $answers[ $ans->ID() ] = $ans;
-                                }
-                            }
-                        }
-                    }
-                }
-
-                $questions = $questions = isset($recipient->questions) ? $recipient->questions : array();
-
-                // if $extra_data does not have a 'data' key then let's make sure we add it and set the EE_Messages_Addressee
-                // object on it.
-                if (! isset($extra_data['data'])) {
-                    $extra_data['data'] = $recipient;
-                }
-
-                return $this->_parse_question_list_for_primary_or_recipient_registration(
-                    $shortcode_parser,
-                    $questions,
-                    $answers,
-                    $template,
-                    $valid_shortcodes,
-                    $extra_data
-                );
-                break;
-
-            default:
-                return $parsed;
-                break;
-        }
-    }
-
-
-    public function additional_primary_registration_details_shortcodes($shortcodes, $shortcode_parser)
-    {
-        $shortcodes['[PRIMARY_REGISTRANT_QUESTION_LIST]'] = __(
-            'This is used to indicate the questions and answers for the primary_registrant. It should be placed in the "[attendee_list]" field',
-            'event_espresso'
-        );
-
-        return $shortcodes;
-    }
-
-
-    /**
-     * Callback for FHEE__EE_Primary_Registration_List_Shortcodes__parser_after filter (dynamic filter).
-     *
-     * @param string         $parsed           The original parsed content for the shortcode
-     * @param string         $shortcode        The shortcode being parsed
-     * @param array          $data             The shortcode parser data array
-     * @param array          $extra_data       The shortcode parser extra data array
-     * @param \EE_Shortcodes $shortcode_parser Shortcode parser.
-     *
-     * @return string
-     */
-    public function additional_primary_registration_details_parser(
-        $parsed,
-        $shortcode,
-        $data,
-        $extra_data,
-        $shortcode_parser
-    ) {
-        if (array($data) && ! isset($data['data'])) {
-            return $parsed;
-        }
-
-        $recipient = $data['data'] instanceof EE_Messages_Addressee ? $data['data'] : null;
-        $recipient = ! $recipient instanceof EE_Messages_Addressee && array($extra_data) && isset($extra_data['data']) && $extra_data['data'] instanceof EE_Messages_Addressee ? $extra_data['data'] : $recipient;
-
-        if (! $recipient instanceof EE_Messages_Addressee) {
-            return $parsed;
-        }
-
-        switch ($shortcode) {
-            case '[PRIMARY_REGISTRANT_QUESTION_LIST]':
-                if (! $recipient->primary_att_obj instanceof EE_Attendee || ! $recipient->primary_reg_obj instanceof EE_Registration) {
-                    return '';
-                }
-                $registration = $recipient->primary_reg_obj;
-                $answers = isset($recipient->registrations[ $registration->ID() ]['ans_objs'])
-                    ? $recipient->registrations[ $registration->ID() ]['ans_objs']
-                    : array();
-                if (empty($answers)) {
-                    return '';
-                }
-                $template = is_array($data['template']) && isset($data['template']['question_list'])
-                    ? $data['template']['question_list']
-                    : $extra_data['template']['question_list'];
-                $valid_shortcodes = array('question');
-                $answers = $recipient->registrations[ $registration->ID() ]['ans_objs'];
-                $questions = isset($recipient->questions) ? $recipient->questions : array();
-                // if $extra_data does not have a 'data' key then let's make sure we add it and set the EE_Messages_Addressee
-                // object on it.
-                if (! isset($extra_data['data'])) {
-                    $extra_data['data'] = $recipient;
-                }
-                return $this->_parse_question_list_for_primary_or_recipient_registration(
-                    $shortcode_parser,
-                    $questions,
-                    $answers,
-                    $template,
-                    $valid_shortcodes,
-                    $extra_data
-                );
-                break;
-
-            default:
-                return $parsed;
-                break;
-        }
-    }
-
-
-    /**
-     * Takes care of registering the  message types that are only available in caffeinated EE.
-     *
-     * @since   4.3.2
-     *
-     * @return  void
-     */
-    public function register_caf_message_types()
-    {
-        // register newsletter message type
-        $setup_args = array(
-            'mtfilename'                                       => 'EE_Newsletter_message_type.class.php',
-            'autoloadpaths'                                    => array(
-                EE_CAF_LIBRARIES . 'messages/message_type/newsletter/',
-            ),
-            'messengers_to_activate_with'                      => array('email'),
-            'messengers_to_validate_with'                      => array('email'),
-            'messengers_supporting_default_template_pack_with' => array('email'),
-        );
-        EE_Register_Message_Type::register('newsletter', $setup_args);
-
-        // register payment reminder message type
-        $setup_args = array(
-            'mtfilename'                                       => 'EE_Payment_Reminder_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_reminder/'),
-            'messengers_to_activate_with'                      => array('email'),
-            'messengers_to_validate_with'                      => array('email'),
-            'messengers_supporting_default_template_pack_with' => array('email'),
-        );
-        EE_Register_Message_Type::register('payment_reminder', $setup_args);
-
-        // register payment declined message type
-        $setup_args = array(
-            'mtfilename'                                       => 'EE_Payment_Declined_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_declined/'),
-            'messengers_to_activate_with'                      => array('email'),
-            'messengers_to_validate_with'                      => array('email'),
-            'messengers_supporting_default_template_pack_with' => array('email'),
-        );
-        EE_Register_Message_Type::register('payment_declined', $setup_args);
-
-        // register registration declined message type
-        $setup_args = array(
-            'mtfilename'                                       => 'EE_Declined_Registration_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/declined_registration/'),
-            'messengers_to_activate_with'                      => array('email'),
-            'messengers_to_validate_with'                      => array('email'),
-            'messengers_supporting_default_template_pack_with' => array('email'),
-        );
-        EE_Register_Message_Type::register('declined_registration', $setup_args);
-
-        // register registration cancelled message type
-        $setup_args = array(
-            'mtfilename'                                       => 'EE_Cancelled_Registration_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/cancelled_registration/'),
-            'messengers_to_activate_with'                      => array('email'),
-            'messengers_to_validate_with'                      => array('email'),
-            'messengers_supporting_default_template_pack_with' => array('email'),
-        );
-        EE_Register_Message_Type::register('cancelled_registration', $setup_args);
-
-
-        // register payment failed message type
-        $setup_args = array(
-            'mtfilename'                                       => 'EE_Payment_Failed_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_failed/'),
-            'messengers_to_activate_with'                      => array('email'),
-            'messengers_to_validate_with'                      => array('email'),
-            'messengers_supporting_default_template_pack_with' => array('email'),
-        );
-        EE_Register_Message_Type::register('payment_failed', $setup_args);
-
-        // register payment declined message type
-        $setup_args = array(
-            'mtfilename'                                       => 'EE_Payment_Cancelled_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_cancelled/'),
-            'messengers_to_activate_with'                      => array('email'),
-            'messengers_to_validate_with'                      => array('email'),
-            'messengers_supporting_default_template_pack_with' => array('email'),
-        );
-        EE_Register_Message_Type::register('payment_cancelled', $setup_args);
-    }
-
-
-    /**
-     * Takes care of registering the  shortcode libraries implemented with caffeinated EE and set up related items.
-     *
-     * @since   4.3.2
-     *
-     * @return void
-     */
-    public function register_caf_shortcodes()
-    {
-        $setup_args = array(
-            'autoloadpaths'                 => array(
-                EE_CAF_LIBRARIES . 'shortcodes/',
-            ),
-            'msgr_validator_callback'       => array('EE_Newsletter_Shortcodes', 'messenger_validator_config'),
-            'msgr_template_fields_callback' => array('EE_Newsletter_Shortcodes', 'messenger_template_fields'),
-            'list_type_shortcodes'          => array('[NEWSLETTER_CONTENT]'),
-        );
-        EE_Register_Messages_Shortcode_Library::register('newsletter', $setup_args);
-    }
-
-
-    /**
-     * Parses a question list shortcode using given data and template
-     *
-     * @param \EE_Shortcodes $shortcode_parser
-     * @param EE_Question[]  $questions        An array of questions indexed by answer id.
-     * @param EE_Answer[]    $answers          An array of answer objects
-     * @param string         $template         Template content to be parsed.
-     * @param array          $valid_shortcodes Valid shortcodes for the template being parsed.
-     * @param array          $extra_data       Extra data that might be used when parsing the template.
-     */
-    protected function _parse_question_list_for_primary_or_recipient_registration(
-        $shortcode_parser,
-        $questions,
-        $answers,
-        $template,
-        $valid_shortcodes,
-        $extra_data
-    ) {
-        $question_list = '';
-        /** @var EEH_Parse_Shortcodes $shortcode_helper */
-        $shortcode_helper = $shortcode_parser->get_shortcode_helper();
-        foreach ($answers as $answer) {
-            if ($answer instanceof EE_Answer) {
-                // first see if the question is in our $questions array. If not then try to get from answer object.
-                $question = isset($questions[ $answer->ID() ]) ? $questions[ $answer->ID() ] : null;
-                $question = ! $question instanceof EE_Question ? $answer->question() : $question;
-                if (! $question instanceof EE_Question
-                    || (
-                        $question instanceof EE_Question
-                        && $question->admin_only()
-                    )
-                ) {
-                    continue;
-                }
-                $question_list .= $shortcode_helper->parse_question_list_template(
-                    $template,
-                    $answer,
-                    $valid_shortcodes,
-                    $extra_data
-                );
-            }
-        }
-        return $question_list;
-    }
+	/**
+	 * constructor.
+	 */
+	public function __construct()
+	{
+		$this->_caf_hooks();
+	}
+
+
+	/**
+	 * Contains all the hooks filters for setting up caffeinated messages functionality.
+	 *
+	 * @since 4.3.2
+	 *
+	 * @return void
+	 */
+	private function _caf_hooks()
+	{
+		add_filter('FHEE__EED_Messages___set_messages_paths___MSG_PATHS', array($this, 'messages_autoload_paths'), 5);
+		add_filter(
+			'FHEE__EE_Email_messenger__get_validator_config',
+			array($this, 'email_messenger_validator_config'),
+			5,
+			2
+		);
+		add_filter(
+			'FHEE__EE_Email_messenger__get_template_fields',
+			array($this, 'email_messenger_template_fields'),
+			5,
+			2
+		);
+		add_filter(
+			'FHEE__EE_Html_messenger__get_template_fields',
+			array($this, 'html_messenger_template_fields'),
+			5,
+			2
+		);
+		add_filter(
+			'FHEE__EE_Html_messenger__get_validator_config',
+			array($this, 'html_messenger_validator_config'),
+			5,
+			2
+		);
+		add_filter('FHEE__EE_Pdf_messenger__get_template_fields', array($this, 'pdf_messenger_template_fields'), 5, 2);
+		add_filter(
+			'FHEE__EE_Pdf_messenger__get_validator_config',
+			array($this, 'pdf_messenger_validator_config'),
+			5,
+			2
+		);
+		add_filter(
+			'FHEE__EE_Messages_Template_Pack__get_specific_template__contents',
+			array($this, 'new_default_templates'),
+			5,
+			7
+		);
+		add_filter(
+			'FHEE__EE_Messages_Base__get_valid_shortcodes',
+			array($this, 'message_types_valid_shortcodes'),
+			5,
+			2
+		);
+
+		// shortcode parsers
+		add_filter('FHEE__EE_Attendee_Shortcodes__shortcodes', array($this, 'additional_attendee_shortcodes'), 5, 2);
+		add_filter('FHEE__EE_Attendee_Shortcodes__parser_after', array($this, 'additional_attendee_parser'), 5, 5);
+		add_filter(
+			'FHEE__EE_Recipient_List_Shortcodes__shortcodes',
+			array($this, 'additional_recipient_details_shortcodes'),
+			5,
+			2
+		);
+		add_filter(
+			'FHEE__EE_Recipient_List_Shortcodes__parser_after',
+			array($this, 'additional_recipient_details_parser'),
+			5,
+			5
+		);
+		add_filter(
+			'FHEE__EE_Primary_Registration_List_Shortcodes__shortcodes',
+			array($this, 'additional_primary_registration_details_shortcodes'),
+			5,
+			2
+		);
+		add_filter(
+			'FHEE__EE_Primary_Registration_List_Shortcodes__parser_after',
+			array($this, 'additional_primary_registration_details_parser'),
+			5,
+			5
+		);
+
+		/**
+		 * @since 4.2.0
+		 */
+		add_filter('FHEE__EE_Datetime_Shortcodes__shortcodes', array($this, 'additional_datetime_shortcodes'), 10, 2);
+		add_filter('FHEE__EE_Datetime_Shortcodes__parser_after', array($this, 'additional_datetime_parser'), 10, 5);
+
+		/**
+		 * @since 4.3.0
+		 */
+		// eat our own dog food!
+		add_action('EE_Brewing_Regular___messages_caf', array($this, 'register_caf_message_types'));
+		add_action('EE_Brewing_Regular___messages_caf', array($this, 'register_caf_shortcodes'));
+		do_action('EE_Brewing_Regular___messages_caf');
+	}
+
+
+	/**
+	 * This just allows us to add additional paths to the autoloader (EED_Messages::autoload_messages()) for the
+	 * messages system.
+	 *
+	 * @param  array $dir_ref original array of paths
+	 *
+	 * @return array           appended paths
+	 */
+	public function messages_autoload_paths($dir_ref)
+	{
+		$dir_ref[] = EE_CAF_LIBRARIES . 'shortcodes/';
+
+		return $dir_ref;
+	}
+
+
+	public function email_messenger_validator_config($validator_config, EE_Email_messenger $messenger)
+	{
+		$validator_config['attendee_list'] = array(
+			'shortcodes' => array('attendee', 'event_list', 'ticket_list', 'question_list'),
+			'required'   => array('[ATTENDEE_LIST]'),
+		);
+		$validator_config['question_list'] = array(
+			'shortcodes' => array('question'),
+			'required'   => array('[QUESTION_LIST]'),
+		);
+
+		return $validator_config;
+	}
+
+
+	public function html_messenger_validator_config($validator_config, EE_Html_messenger $messenger)
+	{
+		$validator_config['attendee_list'] = array(
+			'shortcodes' => array('attendee', 'question_list'),
+			'required'   => array('[ATTENDEE_LIST]'),
+		);
+		$validator_config['question_list'] = array(
+			'shortcodes' => array('question'),
+			'required'   => array('[QUESTION_LIST]'),
+		);
+
+		return $validator_config;
+	}
+
+
+	public function pdf_messenger_validator_config($validator_config, EE_Pdf_messenger $messenger)
+	{
+		$validator_config['attendee_list'] = array(
+			'shortcodes' => array('attendee', 'event_list', 'ticket_list', 'question_list'),
+			'required'   => array('[ATTENDEE_LIST]'),
+		);
+		$validator_config['question_list'] = array(
+			'shortcodes' => array('question'),
+			'required'   => array('[QUESTION_LIST]'),
+		);
+
+		return $validator_config;
+	}
+
+
+	public function email_messenger_template_fields($template_fields, EE_Email_messenger $messenger)
+	{
+		$template_fields['extra']['content']['question_list'] = array(
+			'input'               => 'textarea',
+			'label'               => '[QUESTION_LIST]',
+			'type'                => 'string',
+			'required'            => true,
+			'validation'          => true,
+			'format'              => '%s',
+			'css_class'           => 'large-text',
+			'rows'                => '5',
+			'shortcodes_required' => array('[QUESTION_LIST]'),
+		);
+
+		return $template_fields;
+	}
+
+
+	public function html_messenger_template_fields($template_fields, EE_Html_messenger $messenger)
+	{
+		$template_fields['extra']['content']['question_list'] = array(
+			'input'               => 'textarea',
+			'label'               => '[QUESTION_LIST]',
+			'type'                => 'string',
+			'required'            => true,
+			'validation'          => true,
+			'format'              => '%s',
+			'css_class'           => 'large-text',
+			'rows'                => '5',
+			'shortcodes_required' => array('[QUESTION_LIST]'),
+		);
+
+		return $template_fields;
+	}
+
+
+	public function pdf_messenger_template_fields($template_fields, EE_Pdf_messenger $messenger)
+	{
+		$template_fields['extra']['content']['question_list'] = array(
+			'input'               => 'textarea',
+			'label'               => '[QUESTION_LIST]',
+			'type'                => 'string',
+			'required'            => true,
+			'validation'          => true,
+			'format'              => '%s',
+			'css_class'           => 'large-text',
+			'rows'                => '5',
+			'shortcodes_required' => array('[QUESTION_LIST]'),
+		);
+
+		return $template_fields;
+	}
+
+
+	public function new_default_templates(
+		$contents,
+		$actual_path,
+		EE_messenger $messenger,
+		EE_message_type $message_type,
+		$field,
+		$context,
+		EE_Messages_Template_Pack $template_pack
+	) {
+
+		// we're only modifying templates for the default template pack
+		if (! $template_pack instanceof EE_Messages_Template_Pack_Default) {
+			return $contents;
+		}
+
+		// the template file name we're replacing contents for.
+		$template_file_prefix = $field . '_' . $context;
+		$msg_prefix = $messenger->name . '_' . $message_type->name . '_';
+
+		$base_path = EE_CAF_LIBRARIES . 'messages/defaults/default/';
+
+		if ($messenger->name == 'email' && $message_type->name == 'registration') {
+			switch ($template_file_prefix) {
+				case 'question_list_admin':
+				case 'question_list_attendee':
+				case 'question_list_primary_attendee':
+					$path = $base_path . $msg_prefix . 'question_list.template.php';
+					$contents = EEH_Template::display_template($path, array(), true);
+					break;
+
+				case 'attendee_list_primary_attendee':
+					$path = $base_path . $msg_prefix . 'attendee_list.template.php';
+					$contents = EEH_Template::display_template($path, array(), true);
+					break;
+
+				case 'attendee_list_admin':
+					$path = $base_path . $msg_prefix . 'attendee_list_admin.template.php';
+					$contents = EEH_Template::display_template(
+						$path,
+						array(),
+						true
+					);
+					break;
+
+				case 'attendee_list_attendee':
+					$contents = '';
+					break;
+
+				case 'event_list_attendee':
+					$path = $base_path . $msg_prefix . 'event_list_attendee.template.php';
+					$contents = EEH_Template::display_template($path, array(), true);
+					break;
+			}
+		} elseif ($messenger->name == 'email' && $message_type->name == 'newsletter') {
+			switch ($template_file_prefix) {
+				case 'content_attendee':
+					$path = $base_path . $msg_prefix . 'content.template.php';
+					$contents = EEH_Template::display_template($path, array(), true);
+					break;
+
+				case 'newsletter_content_attendee':
+					$path = $base_path . $msg_prefix . 'newsletter_content.template.php';
+					$contents = EEH_Template::display_template($path, array(), true);
+					break;
+
+				case 'newsletter_subject_attendee':
+					$path = $base_path . $msg_prefix . 'subject.template.php';
+					$contents = EEH_Template::display_template($path, array(), true);
+					break;
+			}
+		} elseif ($messenger->name == 'html' && $message_type->name == 'receipt') {
+			switch ($template_file_prefix) {
+				case 'attendee_list_purchaser':
+					$path = $base_path . $msg_prefix . 'attendee_list.template.php';
+					$contents = EEH_Template::display_template($path, array(), true);
+					break;
+			}
+		}
+
+		return $contents;
+	}
+
+
+	public function message_types_valid_shortcodes($valid_shortcodes, EE_Messages_Base $msg)
+	{
+		// make sure question_list and question are ONLY added for the core message types.  Any other message types will have to explicitly set question_list as a valid shortcode.
+		$include_with = array(
+			'registration',
+			'cancelled_registration',
+			'declined_registration',
+			'not_approved_registration',
+			'payment_declined',
+			'payment_failed',
+			'payment_cancelled',
+			'payment',
+			'payment_reminder',
+			'pending_approval',
+			'registration_summary',
+			'invoice',
+			'receipt',
+		);
+		if ($msg instanceof EE_message_type && in_array($msg->name, $include_with)) {
+			$contexts = array_keys($msg->get_contexts());
+			foreach ($contexts as $context) {
+				$valid_shortcodes[ $context ][] = 'question_list';
+				$valid_shortcodes[ $context ][] = 'question';
+			}
+		}
+
+		return $valid_shortcodes;
+	}
+
+
+	public function additional_attendee_shortcodes($shortcodes, $shortcode_parser)
+	{
+		$shortcodes['[ANSWER_*]'] = __(
+			'This is a special dynamic shortcode. Right after the "*", add the exact text of a existing question, and if there is an answer for that question for this registrant, that will take the place of this shortcode.',
+			'event_espresso'
+		);
+
+		return $shortcodes;
+	}
+
+
+	public function additional_attendee_parser($parsed, $shortcode, $data, $extra_data, $shortcode_parser)
+	{
+
+		if (strpos($shortcode, '[ANSWER_*') === false
+			|| ! isset($extra_data['data']->questions)
+			|| ! isset($extra_data['data']->registrations)
+		) {
+			return $parsed;
+		}
+
+		// let's get the question from the code.
+		$shortcode = str_replace('[ANSWER_*', '', $shortcode);
+		$shortcode = trim(str_replace(']', '', $shortcode));
+
+		$registration = $data instanceof EE_Registration ? $data : null;
+		$registration = ! $registration instanceof EE_Registration && is_array(
+			$extra_data
+		) && isset($extra_data['data']) && $extra_data['data'] instanceof EE_Registration ? $extra_data['data'] : $registration;
+
+		$aee = $data instanceof EE_Messages_Addressee ? $data : null;
+		$aee = ! $aee instanceof EE_Messages_Addressee && is_array(
+			$extra_data
+		) && isset($extra_data['data']) ? $extra_data['data'] : $aee;
+
+		if (! $registration instanceof EE_Registration || ! $aee instanceof EE_Messages_Addressee) {
+			return $parsed;
+		}
+
+		// now let's figure out which question has this text.
+		foreach ($aee->questions as $ansid => $question) {
+			if ($question instanceof EE_Question
+				&& trim($question->display_text()) == trim($shortcode)
+				&& isset($aee->registrations[ $registration->ID() ]['ans_objs'][ $ansid ])
+			) {
+				return $aee->registrations[ $registration->ID() ]['ans_objs'][ $ansid ]->get_pretty(
+					'ANS_value',
+					'no_wpautop'
+				);
+			}
+		}
+
+		// nothing!
+		return $parsed;
+	}
+
+
+	/**
+	 * Callback for additional shortcodes filter for adding additional datetime shortcodes.
+	 *
+	 * @since  4.2
+	 *
+	 * @param  array                  $shortcodes         array of shortcodes and
+	 *                                                    descriptions
+	 * @param  EE_Datetime_Shortcodes $shortcode_parser   EE_Shortcodes object
+	 *
+	 * @return array                                        array of shortcodes and
+	 *                                                        descriptions
+	 */
+	public function additional_datetime_shortcodes($shortcodes, $shortcode_parser)
+	{
+		$shortcodes['[DTT_NAME]'] = __(
+			'This will be parsed to the Title given for a Datetime',
+			'event_espresso'
+		);
+		$shortcodes['[DTT_DESCRIPTION]'] = __(
+			'This will be parsed to the description for a Datetime',
+			'event_espresso'
+		);
+		$shortcodes['[DTT_NAME_OR_DATES]'] = __(
+			'When parsed, if the Datetime has a name, it is used, otherwise a formatted string including the start date and end date will be used.',
+			'event_espresso'
+		);
+
+		return $shortcodes;
+	}
+
+
+	/**
+	 * Callback for additional shortcodes parser filter used for adding parser for new
+	 * Datetime shortcodes
+	 *
+	 * @since  4.2
+	 *
+	 * @param  string                 $parsed     The finished parsed string for the given shortcode.
+	 * @param  string                 $shortcode  The shortcode being parsed.
+	 * @param  object                 $data       The incoming data object for the Shortcode Parser.
+	 * @param  object                 $extra_data The incoming extra date object for the Shortcode
+	 *                                            Parser.
+	 * @param  EE_Datetime_Shortcodes $shortcode_parser
+	 *
+	 * @return string                   The new parsed string.
+	 */
+	public function additional_datetime_parser($parsed, $shortcode, $data, $extra_data, $shortcode_parser)
+	{
+
+		if (! $data instanceof EE_Datetime) {
+			return ''; // get out because we can only parse with the datetime object.
+		}
+
+		switch ($shortcode) {
+			case '[DTT_NAME]':
+				return $data->name();
+				break;
+			case '[DTT_DESCRIPTION]':
+				return $data->description();
+				break;
+			case '[DTT_NAME_OR_DATES]':
+				return $data->get_dtt_display_name(true);
+				break;
+			default:
+				return $parsed;
+				break;
+		}
+	}
+
+
+	public function additional_recipient_details_shortcodes($shortcodes, $shortcode_parser)
+	{
+		$shortcodes['[RECIPIENT_QUESTION_LIST]'] = __(
+			'This is used to indicate where you want the list of questions and answers to show for the person receiving the message.',
+			'event_espresso'
+		);
+
+		return $shortcodes;
+	}
+
+
+	/**
+	 * Callback for FHEE__EE_Recipient_List_Shortcodes__parser_after filter (dynamic filter).
+	 *
+	 * @param string         $parsed           The original parsed content for the shortcode
+	 * @param string         $shortcode        The shortcode being parsed
+	 * @param array          $data             The shortcode parser data array
+	 * @param array          $extra_data       The shortcode parser extra data array
+	 * @param \EE_Shortcodes $shortcode_parser Shortcode parser.
+	 *
+	 * @return string
+	 */
+	public function additional_recipient_details_parser($parsed, $shortcode, $data, $extra_data, $shortcode_parser)
+	{
+
+		if (array($data) && ! isset($data['data'])) {
+			return $parsed;
+		}
+
+		$recipient = $data['data'] instanceof EE_Messages_Addressee ? $data['data'] : null;
+		$recipient = ! $recipient instanceof EE_Messages_Addressee && array($extra_data) && isset($extra_data['data']) && $extra_data['data'] instanceof EE_Messages_Addressee ? $extra_data['data'] : $recipient;
+
+		if (! $recipient instanceof EE_Messages_Addressee) {
+			return $parsed;
+		}
+
+		switch ($shortcode) {
+			case '[RECIPIENT_QUESTION_LIST]':
+				$att = $recipient->att_obj;
+				$registrations_on_attendee = $att instanceof EE_Attendee
+					? $recipient->attendees[ $att->ID() ]['reg_objs']
+					: array();
+				$registrations_on_attendee = empty($registrations_on_attendee) && $recipient->reg_obj instanceof EE_Registration ? array($recipient->reg_obj) : $registrations_on_attendee;
+				$answers = array();
+
+				$template = is_array($data['template']) && isset($data['template']['question_list'])
+					? $data['template']['question_list']
+					: $extra_data['template']['question_list'];
+				$valid_shortcodes = array('question');
+
+				// if the context is main_content then get all answers for all registrations on this attendee
+				if ($data['data'] instanceof EE_Messages_Addressee) {
+					foreach ($registrations_on_attendee as $reg) {
+						if ($reg instanceof EE_Registration) {
+							$anss = ! empty($recipient->registrations[ $reg->ID() ]['ans_objs'])
+								? $recipient->registrations[ $reg->ID() ]['ans_objs']
+								: array();
+							foreach ($anss as $ans) {
+								if ($ans instanceof EE_Answer) {
+									$answers[ $ans->ID() ] = $ans;
+								}
+							}
+						}
+					}
+				}
+
+				// if the context is the event list parser, then let's return just the answers for all registrations attached to the recipient for that event.
+				if ($data['data'] instanceof EE_Event) {
+					$event = $data['data'];
+					foreach ($registrations_on_attendee as $reg) {
+						if ($reg instanceof EE_Registration && $reg->event_ID() == $event->ID()) {
+							$anss = ! empty($recipient->registrations[ $reg->ID() ]['ans_objs'])
+								? $recipient->registrations[ $reg->ID() ]['ans_objs']
+								: array();
+							foreach ($anss as $ans) {
+								if ($ans instanceof EE_Answer) {
+									$answers[ $ans->ID() ] = $ans;
+								}
+							}
+						}
+					}
+				}
+
+				$questions = $questions = isset($recipient->questions) ? $recipient->questions : array();
+
+				// if $extra_data does not have a 'data' key then let's make sure we add it and set the EE_Messages_Addressee
+				// object on it.
+				if (! isset($extra_data['data'])) {
+					$extra_data['data'] = $recipient;
+				}
+
+				return $this->_parse_question_list_for_primary_or_recipient_registration(
+					$shortcode_parser,
+					$questions,
+					$answers,
+					$template,
+					$valid_shortcodes,
+					$extra_data
+				);
+				break;
+
+			default:
+				return $parsed;
+				break;
+		}
+	}
+
+
+	public function additional_primary_registration_details_shortcodes($shortcodes, $shortcode_parser)
+	{
+		$shortcodes['[PRIMARY_REGISTRANT_QUESTION_LIST]'] = __(
+			'This is used to indicate the questions and answers for the primary_registrant. It should be placed in the "[attendee_list]" field',
+			'event_espresso'
+		);
+
+		return $shortcodes;
+	}
+
+
+	/**
+	 * Callback for FHEE__EE_Primary_Registration_List_Shortcodes__parser_after filter (dynamic filter).
+	 *
+	 * @param string         $parsed           The original parsed content for the shortcode
+	 * @param string         $shortcode        The shortcode being parsed
+	 * @param array          $data             The shortcode parser data array
+	 * @param array          $extra_data       The shortcode parser extra data array
+	 * @param \EE_Shortcodes $shortcode_parser Shortcode parser.
+	 *
+	 * @return string
+	 */
+	public function additional_primary_registration_details_parser(
+		$parsed,
+		$shortcode,
+		$data,
+		$extra_data,
+		$shortcode_parser
+	) {
+		if (array($data) && ! isset($data['data'])) {
+			return $parsed;
+		}
+
+		$recipient = $data['data'] instanceof EE_Messages_Addressee ? $data['data'] : null;
+		$recipient = ! $recipient instanceof EE_Messages_Addressee && array($extra_data) && isset($extra_data['data']) && $extra_data['data'] instanceof EE_Messages_Addressee ? $extra_data['data'] : $recipient;
+
+		if (! $recipient instanceof EE_Messages_Addressee) {
+			return $parsed;
+		}
+
+		switch ($shortcode) {
+			case '[PRIMARY_REGISTRANT_QUESTION_LIST]':
+				if (! $recipient->primary_att_obj instanceof EE_Attendee || ! $recipient->primary_reg_obj instanceof EE_Registration) {
+					return '';
+				}
+				$registration = $recipient->primary_reg_obj;
+				$answers = isset($recipient->registrations[ $registration->ID() ]['ans_objs'])
+					? $recipient->registrations[ $registration->ID() ]['ans_objs']
+					: array();
+				if (empty($answers)) {
+					return '';
+				}
+				$template = is_array($data['template']) && isset($data['template']['question_list'])
+					? $data['template']['question_list']
+					: $extra_data['template']['question_list'];
+				$valid_shortcodes = array('question');
+				$answers = $recipient->registrations[ $registration->ID() ]['ans_objs'];
+				$questions = isset($recipient->questions) ? $recipient->questions : array();
+				// if $extra_data does not have a 'data' key then let's make sure we add it and set the EE_Messages_Addressee
+				// object on it.
+				if (! isset($extra_data['data'])) {
+					$extra_data['data'] = $recipient;
+				}
+				return $this->_parse_question_list_for_primary_or_recipient_registration(
+					$shortcode_parser,
+					$questions,
+					$answers,
+					$template,
+					$valid_shortcodes,
+					$extra_data
+				);
+				break;
+
+			default:
+				return $parsed;
+				break;
+		}
+	}
+
+
+	/**
+	 * Takes care of registering the  message types that are only available in caffeinated EE.
+	 *
+	 * @since   4.3.2
+	 *
+	 * @return  void
+	 */
+	public function register_caf_message_types()
+	{
+		// register newsletter message type
+		$setup_args = array(
+			'mtfilename'                                       => 'EE_Newsletter_message_type.class.php',
+			'autoloadpaths'                                    => array(
+				EE_CAF_LIBRARIES . 'messages/message_type/newsletter/',
+			),
+			'messengers_to_activate_with'                      => array('email'),
+			'messengers_to_validate_with'                      => array('email'),
+			'messengers_supporting_default_template_pack_with' => array('email'),
+		);
+		EE_Register_Message_Type::register('newsletter', $setup_args);
+
+		// register payment reminder message type
+		$setup_args = array(
+			'mtfilename'                                       => 'EE_Payment_Reminder_message_type.class.php',
+			'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_reminder/'),
+			'messengers_to_activate_with'                      => array('email'),
+			'messengers_to_validate_with'                      => array('email'),
+			'messengers_supporting_default_template_pack_with' => array('email'),
+		);
+		EE_Register_Message_Type::register('payment_reminder', $setup_args);
+
+		// register payment declined message type
+		$setup_args = array(
+			'mtfilename'                                       => 'EE_Payment_Declined_message_type.class.php',
+			'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_declined/'),
+			'messengers_to_activate_with'                      => array('email'),
+			'messengers_to_validate_with'                      => array('email'),
+			'messengers_supporting_default_template_pack_with' => array('email'),
+		);
+		EE_Register_Message_Type::register('payment_declined', $setup_args);
+
+		// register registration declined message type
+		$setup_args = array(
+			'mtfilename'                                       => 'EE_Declined_Registration_message_type.class.php',
+			'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/declined_registration/'),
+			'messengers_to_activate_with'                      => array('email'),
+			'messengers_to_validate_with'                      => array('email'),
+			'messengers_supporting_default_template_pack_with' => array('email'),
+		);
+		EE_Register_Message_Type::register('declined_registration', $setup_args);
+
+		// register registration cancelled message type
+		$setup_args = array(
+			'mtfilename'                                       => 'EE_Cancelled_Registration_message_type.class.php',
+			'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/cancelled_registration/'),
+			'messengers_to_activate_with'                      => array('email'),
+			'messengers_to_validate_with'                      => array('email'),
+			'messengers_supporting_default_template_pack_with' => array('email'),
+		);
+		EE_Register_Message_Type::register('cancelled_registration', $setup_args);
+
+
+		// register payment failed message type
+		$setup_args = array(
+			'mtfilename'                                       => 'EE_Payment_Failed_message_type.class.php',
+			'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_failed/'),
+			'messengers_to_activate_with'                      => array('email'),
+			'messengers_to_validate_with'                      => array('email'),
+			'messengers_supporting_default_template_pack_with' => array('email'),
+		);
+		EE_Register_Message_Type::register('payment_failed', $setup_args);
+
+		// register payment declined message type
+		$setup_args = array(
+			'mtfilename'                                       => 'EE_Payment_Cancelled_message_type.class.php',
+			'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_cancelled/'),
+			'messengers_to_activate_with'                      => array('email'),
+			'messengers_to_validate_with'                      => array('email'),
+			'messengers_supporting_default_template_pack_with' => array('email'),
+		);
+		EE_Register_Message_Type::register('payment_cancelled', $setup_args);
+	}
+
+
+	/**
+	 * Takes care of registering the  shortcode libraries implemented with caffeinated EE and set up related items.
+	 *
+	 * @since   4.3.2
+	 *
+	 * @return void
+	 */
+	public function register_caf_shortcodes()
+	{
+		$setup_args = array(
+			'autoloadpaths'                 => array(
+				EE_CAF_LIBRARIES . 'shortcodes/',
+			),
+			'msgr_validator_callback'       => array('EE_Newsletter_Shortcodes', 'messenger_validator_config'),
+			'msgr_template_fields_callback' => array('EE_Newsletter_Shortcodes', 'messenger_template_fields'),
+			'list_type_shortcodes'          => array('[NEWSLETTER_CONTENT]'),
+		);
+		EE_Register_Messages_Shortcode_Library::register('newsletter', $setup_args);
+	}
+
+
+	/**
+	 * Parses a question list shortcode using given data and template
+	 *
+	 * @param \EE_Shortcodes $shortcode_parser
+	 * @param EE_Question[]  $questions        An array of questions indexed by answer id.
+	 * @param EE_Answer[]    $answers          An array of answer objects
+	 * @param string         $template         Template content to be parsed.
+	 * @param array          $valid_shortcodes Valid shortcodes for the template being parsed.
+	 * @param array          $extra_data       Extra data that might be used when parsing the template.
+	 */
+	protected function _parse_question_list_for_primary_or_recipient_registration(
+		$shortcode_parser,
+		$questions,
+		$answers,
+		$template,
+		$valid_shortcodes,
+		$extra_data
+	) {
+		$question_list = '';
+		/** @var EEH_Parse_Shortcodes $shortcode_helper */
+		$shortcode_helper = $shortcode_parser->get_shortcode_helper();
+		foreach ($answers as $answer) {
+			if ($answer instanceof EE_Answer) {
+				// first see if the question is in our $questions array. If not then try to get from answer object.
+				$question = isset($questions[ $answer->ID() ]) ? $questions[ $answer->ID() ] : null;
+				$question = ! $question instanceof EE_Question ? $answer->question() : $question;
+				if (! $question instanceof EE_Question
+					|| (
+						$question instanceof EE_Question
+						&& $question->admin_only()
+					)
+				) {
+					continue;
+				}
+				$question_list .= $shortcode_helper->parse_question_list_template(
+					$template,
+					$answer,
+					$valid_shortcodes,
+					$extra_data
+				);
+			}
+		}
+		return $question_list;
+	}
 }

Spacing +44 added lines, -44 removed lines

@@ -130,7 +130,7 @@ 
      */
     public function messages_autoload_paths($dir_ref)
     {
-        $dir_ref[] = EE_CAF_LIBRARIES . 'shortcodes/';
+        $dir_ref[] = EE_CAF_LIBRARIES.'shortcodes/';
 
         return $dir_ref;
     }
@@ -246,32 +246,32 @@ 
     ) {
 
         // we're only modifying templates for the default template pack
-        if (! $template_pack instanceof EE_Messages_Template_Pack_Default) {
+        if ( ! $template_pack instanceof EE_Messages_Template_Pack_Default) {
             return $contents;
         }
 
         // the template file name we're replacing contents for.
-        $template_file_prefix = $field . '_' . $context;
-        $msg_prefix = $messenger->name . '_' . $message_type->name . '_';
+        $template_file_prefix = $field.'_'.$context;
+        $msg_prefix = $messenger->name.'_'.$message_type->name.'_';
 
-        $base_path = EE_CAF_LIBRARIES . 'messages/defaults/default/';
+        $base_path = EE_CAF_LIBRARIES.'messages/defaults/default/';
 
         if ($messenger->name == 'email' && $message_type->name == 'registration') {
             switch ($template_file_prefix) {
                 case 'question_list_admin':
                 case 'question_list_attendee':
                 case 'question_list_primary_attendee':
-                    $path = $base_path . $msg_prefix . 'question_list.template.php';
+                    $path = $base_path.$msg_prefix.'question_list.template.php';
                     $contents = EEH_Template::display_template($path, array(), true);
                     break;
 
                 case 'attendee_list_primary_attendee':
-                    $path = $base_path . $msg_prefix . 'attendee_list.template.php';
+                    $path = $base_path.$msg_prefix.'attendee_list.template.php';
                     $contents = EEH_Template::display_template($path, array(), true);
                     break;
 
                 case 'attendee_list_admin':
-                    $path = $base_path . $msg_prefix . 'attendee_list_admin.template.php';
+                    $path = $base_path.$msg_prefix.'attendee_list_admin.template.php';
                     $contents = EEH_Template::display_template(
                         $path,
                         array(),
@@ -284,31 +284,31 @@ 
                     break;
 
                 case 'event_list_attendee':
-                    $path = $base_path . $msg_prefix . 'event_list_attendee.template.php';
+                    $path = $base_path.$msg_prefix.'event_list_attendee.template.php';
                     $contents = EEH_Template::display_template($path, array(), true);
                     break;
             }
         } elseif ($messenger->name == 'email' && $message_type->name == 'newsletter') {
             switch ($template_file_prefix) {
                 case 'content_attendee':
-                    $path = $base_path . $msg_prefix . 'content.template.php';
+                    $path = $base_path.$msg_prefix.'content.template.php';
                     $contents = EEH_Template::display_template($path, array(), true);
                     break;
 
                 case 'newsletter_content_attendee':
-                    $path = $base_path . $msg_prefix . 'newsletter_content.template.php';
+                    $path = $base_path.$msg_prefix.'newsletter_content.template.php';
                     $contents = EEH_Template::display_template($path, array(), true);
                     break;
 
                 case 'newsletter_subject_attendee':
-                    $path = $base_path . $msg_prefix . 'subject.template.php';
+                    $path = $base_path.$msg_prefix.'subject.template.php';
                     $contents = EEH_Template::display_template($path, array(), true);
                     break;
             }
         } elseif ($messenger->name == 'html' && $message_type->name == 'receipt') {
             switch ($template_file_prefix) {
                 case 'attendee_list_purchaser':
-                    $path = $base_path . $msg_prefix . 'attendee_list.template.php';
+                    $path = $base_path.$msg_prefix.'attendee_list.template.php';
                     $contents = EEH_Template::display_template($path, array(), true);
                     break;
             }
@@ -339,8 +339,8 @@ 
         if ($msg instanceof EE_message_type && in_array($msg->name, $include_with)) {
             $contexts = array_keys($msg->get_contexts());
             foreach ($contexts as $context) {
-                $valid_shortcodes[ $context ][] = 'question_list';
-                $valid_shortcodes[ $context ][] = 'question';
+                $valid_shortcodes[$context][] = 'question_list';
+                $valid_shortcodes[$context][] = 'question';
             }
         }
 
@@ -383,7 +383,7 @@ 
             $extra_data
         ) && isset($extra_data['data']) ? $extra_data['data'] : $aee;
 
-        if (! $registration instanceof EE_Registration || ! $aee instanceof EE_Messages_Addressee) {
+        if ( ! $registration instanceof EE_Registration || ! $aee instanceof EE_Messages_Addressee) {
             return $parsed;
         }
 
@@ -391,9 +391,9 @@ 
         foreach ($aee->questions as $ansid => $question) {
             if ($question instanceof EE_Question
                 && trim($question->display_text()) == trim($shortcode)
-                && isset($aee->registrations[ $registration->ID() ]['ans_objs'][ $ansid ])
+                && isset($aee->registrations[$registration->ID()]['ans_objs'][$ansid])
             ) {
-                return $aee->registrations[ $registration->ID() ]['ans_objs'][ $ansid ]->get_pretty(
+                return $aee->registrations[$registration->ID()]['ans_objs'][$ansid]->get_pretty(
                     'ANS_value',
                     'no_wpautop'
                 );
@@ -454,7 +454,7 @@ 
     public function additional_datetime_parser($parsed, $shortcode, $data, $extra_data, $shortcode_parser)
     {
 
-        if (! $data instanceof EE_Datetime) {
+        if ( ! $data instanceof EE_Datetime) {
             return ''; // get out because we can only parse with the datetime object.
         }
 
@@ -507,7 +507,7 @@ 
         $recipient = $data['data'] instanceof EE_Messages_Addressee ? $data['data'] : null;
         $recipient = ! $recipient instanceof EE_Messages_Addressee && array($extra_data) && isset($extra_data['data']) && $extra_data['data'] instanceof EE_Messages_Addressee ? $extra_data['data'] : $recipient;
 
-        if (! $recipient instanceof EE_Messages_Addressee) {
+        if ( ! $recipient instanceof EE_Messages_Addressee) {
             return $parsed;
         }
 
@@ -515,7 +515,7 @@ 
             case '[RECIPIENT_QUESTION_LIST]':
                 $att = $recipient->att_obj;
                 $registrations_on_attendee = $att instanceof EE_Attendee
-                    ? $recipient->attendees[ $att->ID() ]['reg_objs']
+                    ? $recipient->attendees[$att->ID()]['reg_objs']
                     : array();
                 $registrations_on_attendee = empty($registrations_on_attendee) && $recipient->reg_obj instanceof EE_Registration ? array($recipient->reg_obj) : $registrations_on_attendee;
                 $answers = array();
@@ -529,12 +529,12 @@ 
                 if ($data['data'] instanceof EE_Messages_Addressee) {
                     foreach ($registrations_on_attendee as $reg) {
                         if ($reg instanceof EE_Registration) {
-                            $anss = ! empty($recipient->registrations[ $reg->ID() ]['ans_objs'])
-                                ? $recipient->registrations[ $reg->ID() ]['ans_objs']
+                            $anss = ! empty($recipient->registrations[$reg->ID()]['ans_objs'])
+                                ? $recipient->registrations[$reg->ID()]['ans_objs']
                                 : array();
                             foreach ($anss as $ans) {
                                 if ($ans instanceof EE_Answer) {
-                                    $answers[ $ans->ID() ] = $ans;
+                                    $answers[$ans->ID()] = $ans;
                                 }
                             }
                         }
@@ -546,12 +546,12 @@ 
                     $event = $data['data'];
                     foreach ($registrations_on_attendee as $reg) {
                         if ($reg instanceof EE_Registration && $reg->event_ID() == $event->ID()) {
-                            $anss = ! empty($recipient->registrations[ $reg->ID() ]['ans_objs'])
-                                ? $recipient->registrations[ $reg->ID() ]['ans_objs']
+                            $anss = ! empty($recipient->registrations[$reg->ID()]['ans_objs'])
+                                ? $recipient->registrations[$reg->ID()]['ans_objs']
                                 : array();
                             foreach ($anss as $ans) {
                                 if ($ans instanceof EE_Answer) {
-                                    $answers[ $ans->ID() ] = $ans;
+                                    $answers[$ans->ID()] = $ans;
                                 }
                             }
                         }
@@ -562,7 +562,7 @@ 
 
                 // if $extra_data does not have a 'data' key then let's make sure we add it and set the EE_Messages_Addressee
                 // object on it.
-                if (! isset($extra_data['data'])) {
+                if ( ! isset($extra_data['data'])) {
                     $extra_data['data'] = $recipient;
                 }
 
@@ -619,18 +619,18 @@ 
         $recipient = $data['data'] instanceof EE_Messages_Addressee ? $data['data'] : null;
         $recipient = ! $recipient instanceof EE_Messages_Addressee && array($extra_data) && isset($extra_data['data']) && $extra_data['data'] instanceof EE_Messages_Addressee ? $extra_data['data'] : $recipient;
 
-        if (! $recipient instanceof EE_Messages_Addressee) {
+        if ( ! $recipient instanceof EE_Messages_Addressee) {
             return $parsed;
         }
 
         switch ($shortcode) {
             case '[PRIMARY_REGISTRANT_QUESTION_LIST]':
-                if (! $recipient->primary_att_obj instanceof EE_Attendee || ! $recipient->primary_reg_obj instanceof EE_Registration) {
+                if ( ! $recipient->primary_att_obj instanceof EE_Attendee || ! $recipient->primary_reg_obj instanceof EE_Registration) {
                     return '';
                 }
                 $registration = $recipient->primary_reg_obj;
-                $answers = isset($recipient->registrations[ $registration->ID() ]['ans_objs'])
-                    ? $recipient->registrations[ $registration->ID() ]['ans_objs']
+                $answers = isset($recipient->registrations[$registration->ID()]['ans_objs'])
+                    ? $recipient->registrations[$registration->ID()]['ans_objs']
                     : array();
                 if (empty($answers)) {
                     return '';
@@ -639,11 +639,11 @@ 
                     ? $data['template']['question_list']
                     : $extra_data['template']['question_list'];
                 $valid_shortcodes = array('question');
-                $answers = $recipient->registrations[ $registration->ID() ]['ans_objs'];
+                $answers = $recipient->registrations[$registration->ID()]['ans_objs'];
                 $questions = isset($recipient->questions) ? $recipient->questions : array();
                 // if $extra_data does not have a 'data' key then let's make sure we add it and set the EE_Messages_Addressee
                 // object on it.
-                if (! isset($extra_data['data'])) {
+                if ( ! isset($extra_data['data'])) {
                     $extra_data['data'] = $recipient;
                 }
                 return $this->_parse_question_list_for_primary_or_recipient_registration(
@@ -676,7 +676,7 @@ 
         $setup_args = array(
             'mtfilename'                                       => 'EE_Newsletter_message_type.class.php',
             'autoloadpaths'                                    => array(
-                EE_CAF_LIBRARIES . 'messages/message_type/newsletter/',
+                EE_CAF_LIBRARIES.'messages/message_type/newsletter/',
             ),
             'messengers_to_activate_with'                      => array('email'),
             'messengers_to_validate_with'                      => array('email'),
@@ -687,7 +687,7 @@ 
         // register payment reminder message type
         $setup_args = array(
             'mtfilename'                                       => 'EE_Payment_Reminder_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_reminder/'),
+            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES.'messages/message_type/payment_reminder/'),
             'messengers_to_activate_with'                      => array('email'),
             'messengers_to_validate_with'                      => array('email'),
             'messengers_supporting_default_template_pack_with' => array('email'),
@@ -697,7 +697,7 @@ 
         // register payment declined message type
         $setup_args = array(
             'mtfilename'                                       => 'EE_Payment_Declined_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_declined/'),
+            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES.'messages/message_type/payment_declined/'),
             'messengers_to_activate_with'                      => array('email'),
             'messengers_to_validate_with'                      => array('email'),
             'messengers_supporting_default_template_pack_with' => array('email'),
@@ -707,7 +707,7 @@ 
         // register registration declined message type
         $setup_args = array(
             'mtfilename'                                       => 'EE_Declined_Registration_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/declined_registration/'),
+            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES.'messages/message_type/declined_registration/'),
             'messengers_to_activate_with'                      => array('email'),
             'messengers_to_validate_with'                      => array('email'),
             'messengers_supporting_default_template_pack_with' => array('email'),
@@ -717,7 +717,7 @@ 
         // register registration cancelled message type
         $setup_args = array(
             'mtfilename'                                       => 'EE_Cancelled_Registration_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/cancelled_registration/'),
+            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES.'messages/message_type/cancelled_registration/'),
             'messengers_to_activate_with'                      => array('email'),
             'messengers_to_validate_with'                      => array('email'),
             'messengers_supporting_default_template_pack_with' => array('email'),
@@ -728,7 +728,7 @@ 
         // register payment failed message type
         $setup_args = array(
             'mtfilename'                                       => 'EE_Payment_Failed_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_failed/'),
+            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES.'messages/message_type/payment_failed/'),
             'messengers_to_activate_with'                      => array('email'),
             'messengers_to_validate_with'                      => array('email'),
             'messengers_supporting_default_template_pack_with' => array('email'),
@@ -738,7 +738,7 @@ 
         // register payment declined message type
         $setup_args = array(
             'mtfilename'                                       => 'EE_Payment_Cancelled_message_type.class.php',
-            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES . 'messages/message_type/payment_cancelled/'),
+            'autoloadpaths'                                    => array(EE_CAF_LIBRARIES.'messages/message_type/payment_cancelled/'),
             'messengers_to_activate_with'                      => array('email'),
             'messengers_to_validate_with'                      => array('email'),
             'messengers_supporting_default_template_pack_with' => array('email'),
@@ -758,7 +758,7 @@ 
     {
         $setup_args = array(
             'autoloadpaths'                 => array(
-                EE_CAF_LIBRARIES . 'shortcodes/',
+                EE_CAF_LIBRARIES.'shortcodes/',
             ),
             'msgr_validator_callback'       => array('EE_Newsletter_Shortcodes', 'messenger_validator_config'),
             'msgr_template_fields_callback' => array('EE_Newsletter_Shortcodes', 'messenger_template_fields'),
@@ -792,9 +792,9 @@ 
         foreach ($answers as $answer) {
             if ($answer instanceof EE_Answer) {
                 // first see if the question is in our $questions array. If not then try to get from answer object.
-                $question = isset($questions[ $answer->ID() ]) ? $questions[ $answer->ID() ] : null;
+                $question = isset($questions[$answer->ID()]) ? $questions[$answer->ID()] : null;
                 $question = ! $question instanceof EE_Question ? $answer->question() : $question;
-                if (! $question instanceof EE_Question
+                if ( ! $question instanceof EE_Question
                     || (
                         $question instanceof EE_Question
                         && $question->admin_only()

modules/single_page_checkout/EED_Single_Page_Checkout.module.php

Doc Comments +2 added lines, -2 removed lines

@@ -781,7 +781,7 @@ 
      * _get_transaction_and_cart_for_previous_visit
      *
      * @access private
-     * @return mixed EE_Transaction|NULL
+     * @return EE_Transaction|null EE_Transaction|NULL
      */
     private function _get_transaction_and_cart_for_previous_visit()
     {
@@ -863,7 +863,7 @@ 
      *    generates a new EE_Transaction object and adds it to the $_transaction property.
      *
      * @access private
-     * @return mixed EE_Transaction|NULL
+     * @return EE_Transaction|null EE_Transaction|NULL
      */
     private function _initialize_transaction()
     {

Indentation +1796 added lines, -1796 removed lines

@@ -15,1800 +15,1800 @@
 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,
-                ),
-                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(esc_html__('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(esc_html__('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';
-    }
-
-
-    /**
-     * instantiates each reg step based on the loaded reg_steps array
-     *
-     * @return    bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    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, $order)) {
-                    return false;
-                }
-            }
-            if (isset($this->checkout->reg_steps['registration_confirmation'])) {
-                // 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);
-                } elseif (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(
-                esc_html__('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(
-                    esc_html__('The current step could not be set.', 'event_espresso'),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-        } else {
-            if (WP_DEBUG) {
-                EE_Error::add_error(
-                    sprintf(
-                        esc_html__(
-                            '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(
-                    esc_html__(
-                        '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(
-            esc_html__('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(
-                esc_html__('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 (! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
-            EE_Error::add_error(
-                esc_html__(
-                    'We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        // if returning to SPCO, then verify that primary registrant is set
-        if (! empty($this->checkout->reg_url_link)) {
-            $valid_registrant = $this->checkout->transaction->primary_registration();
-            if (! $valid_registrant instanceof EE_Registration) {
-                EE_Error::add_error(
-                    esc_html__(
-                        '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;
-                    $this->_initialize();
-                    EE_Error::reset_notices();
-                    return false;
-                }
-                EE_Error::add_error(
-                    esc_html__(
-                        'We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-        }
-        // now that things have been kinda sufficiently verified,
-        // let's add the checkout to the session so that it's available to other systems
-        EE_Registry::instance()->SSN->set_checkout($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(
-                            esc_html__(
-                                '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'] = esc_html__(
-            '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::$i18n_js_strings['invalid_json_response'] = esc_html__(
-            'An invalid response was returned from the server while attempting to process your request. Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['validation_error'] = esc_html__(
-            'There appears to be a problem with the form validation configuration! Please check the admin settings or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['invalid_payment_method'] = esc_html__(
-            'There appears to be a problem with the payment method configuration! Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['reg_step_error'] = esc_html__(
-            'This registration step could not be completed. Please refresh the page and try again.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['invalid_coupon'] = esc_html__(
-            'We\'re sorry but that coupon code does not appear to be valid. If this is incorrect, please contact the site administrator.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['process_registration'] = sprintf(
-            esc_html__(
-                '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::$i18n_js_strings['timer_years'] = esc_html__('years', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_months'] = esc_html__('months', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_weeks'] = esc_html__('weeks', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_days'] = esc_html__('days', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_hours'] = esc_html__('hours', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_minutes'] = esc_html__('minutes', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_seconds'] = esc_html__('seconds', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_year'] = esc_html__('year', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_month'] = esc_html__('month', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_week'] = esc_html__('week', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_day'] = esc_html__('day', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_hour'] = esc_html__('hour', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_minute'] = esc_html__('minute', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_second'] = esc_html__('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'),
-            '2.1.0',
-            true
-        );
-        wp_register_script(
-            'single_page_checkout',
-            SPCO_JS_URL . 'single_page_checkout.js',
-            array('espresso_core', 'underscore', 'ee_form_section_validation'),
-            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');
-        if (apply_filters('FHEE__registration_page_wrapper_template__display_time_limit', false)) {
-            wp_enqueue_script('jquery_countdown');
-        }
-        /**
-         * 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) {
-                $cookies_not_set_msg = apply_filters(
-                    'FHEE__Single_Page_Checkout__display_spco_reg_form__cookies_not_set_msg',
-                    sprintf(
-                        esc_html__(
-                            '%1$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" rel="noopener noreferrer">',
-                        '</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
-                                        ? $this->checkout->next_step->slug()
-                                        : '',
-                                    'empty_msg'               => apply_filters(
-                                        'FHEE__Single_Page_Checkout__display_spco_reg_form__empty_msg',
-                                        sprintf(
-                                            esc_html__(
-                                                'You need to %1$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) {
-            $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($this->checkout->redirect_url)) {
-            // store notices in a transient
-            EE_Error::get_notices(false, true, true);
-            wp_safe_redirect($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(
-            esc_html__(
-                '%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,
+				),
+				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(esc_html__('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(esc_html__('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';
+	}
+
+
+	/**
+	 * instantiates each reg step based on the loaded reg_steps array
+	 *
+	 * @return    bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	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, $order)) {
+					return false;
+				}
+			}
+			if (isset($this->checkout->reg_steps['registration_confirmation'])) {
+				// 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);
+				} elseif (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(
+				esc_html__('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(
+					esc_html__('The current step could not be set.', 'event_espresso'),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+		} else {
+			if (WP_DEBUG) {
+				EE_Error::add_error(
+					sprintf(
+						esc_html__(
+							'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(
+					esc_html__(
+						'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(
+			esc_html__('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(
+				esc_html__('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 (! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
+			EE_Error::add_error(
+				esc_html__(
+					'We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		// if returning to SPCO, then verify that primary registrant is set
+		if (! empty($this->checkout->reg_url_link)) {
+			$valid_registrant = $this->checkout->transaction->primary_registration();
+			if (! $valid_registrant instanceof EE_Registration) {
+				EE_Error::add_error(
+					esc_html__(
+						'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;
+					$this->_initialize();
+					EE_Error::reset_notices();
+					return false;
+				}
+				EE_Error::add_error(
+					esc_html__(
+						'We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+		}
+		// now that things have been kinda sufficiently verified,
+		// let's add the checkout to the session so that it's available to other systems
+		EE_Registry::instance()->SSN->set_checkout($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(
+							esc_html__(
+								'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'] = esc_html__(
+			'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::$i18n_js_strings['invalid_json_response'] = esc_html__(
+			'An invalid response was returned from the server while attempting to process your request. Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['validation_error'] = esc_html__(
+			'There appears to be a problem with the form validation configuration! Please check the admin settings or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['invalid_payment_method'] = esc_html__(
+			'There appears to be a problem with the payment method configuration! Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['reg_step_error'] = esc_html__(
+			'This registration step could not be completed. Please refresh the page and try again.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['invalid_coupon'] = esc_html__(
+			'We\'re sorry but that coupon code does not appear to be valid. If this is incorrect, please contact the site administrator.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['process_registration'] = sprintf(
+			esc_html__(
+				'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::$i18n_js_strings['timer_years'] = esc_html__('years', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_months'] = esc_html__('months', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_weeks'] = esc_html__('weeks', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_days'] = esc_html__('days', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_hours'] = esc_html__('hours', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_minutes'] = esc_html__('minutes', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_seconds'] = esc_html__('seconds', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_year'] = esc_html__('year', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_month'] = esc_html__('month', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_week'] = esc_html__('week', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_day'] = esc_html__('day', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_hour'] = esc_html__('hour', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_minute'] = esc_html__('minute', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_second'] = esc_html__('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'),
+			'2.1.0',
+			true
+		);
+		wp_register_script(
+			'single_page_checkout',
+			SPCO_JS_URL . 'single_page_checkout.js',
+			array('espresso_core', 'underscore', 'ee_form_section_validation'),
+			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');
+		if (apply_filters('FHEE__registration_page_wrapper_template__display_time_limit', false)) {
+			wp_enqueue_script('jquery_countdown');
+		}
+		/**
+		 * 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) {
+				$cookies_not_set_msg = apply_filters(
+					'FHEE__Single_Page_Checkout__display_spco_reg_form__cookies_not_set_msg',
+					sprintf(
+						esc_html__(
+							'%1$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" rel="noopener noreferrer">',
+						'</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
+										? $this->checkout->next_step->slug()
+										: '',
+									'empty_msg'               => apply_filters(
+										'FHEE__Single_Page_Checkout__display_spco_reg_form__empty_msg',
+										sprintf(
+											esc_html__(
+												'You need to %1$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) {
+			$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($this->checkout->redirect_url)) {
+			// store notices in a transient
+			EE_Error::get_notices(false, true, true);
+			wp_safe_redirect($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(
+			esc_html__(
+				'%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>'
+		);
+	}
 }

Spacing +44 added lines, -44 removed lines

@@ -100,7 +100,7 @@ 
     public static function set_hooks_admin()
     {
         EED_Single_Page_Checkout::set_definitions();
-        if (! (defined('DOING_AJAX') && DOING_AJAX)) {
+        if ( ! (defined('DOING_AJAX') && DOING_AJAX)) {
             return;
         }
         // going to start an output buffer in case anything gets accidentally output
@@ -206,14 +206,14 @@ 
         }
         define(
             'SPCO_BASE_PATH',
-            rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS
+            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);
+        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::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice(
         );
@@ -245,7 +245,7 @@ 
             // we need a
             if (isset($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 ] = $reg_step;
+                EED_Single_Page_Checkout::$_reg_steps_array[$order] = $reg_step;
                 // register custom key route for each reg step
                 // ie: step=>"slug" - this is the entire reason we load the reg steps array now
                 EE_Config::register_route(
@@ -257,7 +257,7 @@ 
                 // add AJAX or other hooks
                 if (isset($reg_step['has_hooks']) && $reg_step['has_hooks']) {
                     // setup autoloaders if necessary
-                    if (! class_exists($reg_step['class_name'])) {
+                    if ( ! class_exists($reg_step['class_name'])) {
                         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(
                             $reg_step['file_path'],
                             true
@@ -285,19 +285,19 @@ 
         if (empty($reg_steps)) {
             $reg_steps = array(
                 10  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'attendee_information',
                     'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
                     'slug'       => 'attendee_information',
                     'has_hooks'  => false,
                 ),
                 30  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
+                    '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',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'finalize_registration',
                     'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
                     'slug'       => 'finalize_registration',
                     'has_hooks'  => false,
@@ -450,7 +450,7 @@ 
                 $this->checkout
             );
             // load the reg steps array
-            if (! $this->_load_and_instantiate_reg_steps()) {
+            if ( ! $this->_load_and_instantiate_reg_steps()) {
                 EED_Single_Page_Checkout::$_initialized = true;
                 return;
             }
@@ -459,7 +459,7 @@ 
             // and the next step
             $this->checkout->set_next_step();
             // verify that everything has been setup correctly
-            if (! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
+            if ( ! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
                 EED_Single_Page_Checkout::$_initialized = true;
                 return;
             }
@@ -474,7 +474,7 @@ 
             // DEBUG LOG
             // $this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
             // get reg form
-            if (! $this->_check_form_submission()) {
+            if ( ! $this->_check_form_submission()) {
                 EED_Single_Page_Checkout::$_initialized = true;
                 return;
             }
@@ -505,7 +505,7 @@ 
      */
     private function _verify_session()
     {
-        if (! EE_Registry::instance()->SSN instanceof EE_Session) {
+        if ( ! EE_Registry::instance()->SSN instanceof EE_Session) {
             throw new EE_Error(esc_html__('The EE_Session class could not be loaded.', 'event_espresso'));
         }
         $clear_session_requested = filter_var(
@@ -523,7 +523,7 @@ 
             // EE_Registry::instance()->SSN->reset_cart();
             // EE_Registry::instance()->SSN->reset_checkout();
             // EE_Registry::instance()->SSN->reset_transaction();
-            if (! $clear_session_requested) {
+            if ( ! $clear_session_requested) {
                 EE_Error::add_attention(
                     EE_Registry::$i18n_js_strings['registration_expiration_notice'],
                     __FILE__,
@@ -550,7 +550,7 @@ 
         /** @type EE_Checkout $checkout */
         $checkout = EE_Registry::instance()->SSN->checkout();
         // verify
-        if (! $checkout instanceof EE_Checkout) {
+        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,
@@ -568,7 +568,7 @@ 
         }
         $checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize_checkout__checkout', $checkout);
         // verify again
-        if (! $checkout instanceof EE_Checkout) {
+        if ( ! $checkout instanceof EE_Checkout) {
             throw new EE_Error(esc_html__('The EE_Checkout class could not be loaded.', 'event_espresso'));
         }
         // reset anything that needs a clean slate for each request
@@ -640,7 +640,7 @@ 
      */
     protected function _display_request_vars()
     {
-        if (! WP_DEBUG) {
+        if ( ! WP_DEBUG) {
             return;
         }
         EEH_Debug_Tools::printr($_REQUEST, '$_REQUEST', __FILE__, __LINE__);
@@ -717,7 +717,7 @@ 
         ) {
             // if not, then loop through raw reg steps array
             foreach (EED_Single_Page_Checkout::$_reg_steps_array as $order => $reg_step) {
-                if (! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
+                if ( ! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
                     return false;
                 }
             }
@@ -848,12 +848,12 @@ 
     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) {
+        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) {
+            if ( ! $this->checkout->transaction instanceof EE_Transaction) {
                 EE_Error::add_error(
                     esc_html__(
                         'Your Registration and Transaction information could not be retrieved from the db.',
@@ -1084,16 +1084,16 @@ 
                         )
                     );
                     // override capabilities for frontend registrations
-                    if (! is_admin()) {
+                    if ( ! is_admin()) {
                         $CreateRegistrationCommand->setCapCheck(
                             new PublicCapabilities('', 'create_new_registration')
                         );
                     }
                     $registration = EE_Registry::instance()->BUS->execute($CreateRegistrationCommand);
-                    if (! $registration instanceof EE_Registration) {
+                    if ( ! $registration instanceof EE_Registration) {
                         throw new InvalidEntityException($registration, 'EE_Registration');
                     }
-                    $registrations[ $registration->ID() ] = $registration;
+                    $registrations[$registration->ID()] = $registration;
                 }
             }
             $registration_processor->fix_reg_final_price_rounding_issue($transaction);
@@ -1136,7 +1136,7 @@ 
             $this->checkout
         );
         // verify that current step is still set correctly
-        if (! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
+        if ( ! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
             EE_Error::add_error(
                 esc_html__(
                     'We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.',
@@ -1149,9 +1149,9 @@ 
             return false;
         }
         // if returning to SPCO, then verify that primary registrant is set
-        if (! empty($this->checkout->reg_url_link)) {
+        if ( ! empty($this->checkout->reg_url_link)) {
             $valid_registrant = $this->checkout->transaction->primary_registration();
-            if (! $valid_registrant instanceof EE_Registration) {
+            if ( ! $valid_registrant instanceof EE_Registration) {
                 EE_Error::add_error(
                     esc_html__(
                         '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.',
@@ -1171,7 +1171,7 @@ 
                     $valid_registrant = $registration;
                 }
             }
-            if (! $valid_registrant instanceof EE_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
@@ -1215,9 +1215,9 @@ 
         $this->checkout->set_reg_step_initiated($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 ( ! $reg_step->initialize_reg_step()) {
                 // if not initialized then maybe this step is being removed...
-                if (! $reinitializing && $reg_step->is_current_step()) {
+                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;
@@ -1269,7 +1269,7 @@ 
                         )
                     );
                     // validate submitted form data
-                    if (! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
+                    if ( ! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
                         // thou shall not pass !!!
                         $this->checkout->continue_reg = false;
                         // any form validation errors?
@@ -1317,7 +1317,7 @@ 
                 break;
             default:
                 // meh... do one of those other steps first
-                if (! empty($this->checkout->action)
+                if ( ! empty($this->checkout->action)
                     && is_callable(array($this->checkout->current_step, $this->checkout->action))
                 ) {
                     // dynamically creates hook point like:
@@ -1337,7 +1337,7 @@ 
                         ) {
                             EE_Error::add_success(
                                 $this->checkout->current_step->success_message()
-                                . '<br />' . $this->checkout->next_step->_instructions()
+                                . '<br />'.$this->checkout->next_step->_instructions()
                             );
                         }
                         // pack it up, pack it in...
@@ -1479,7 +1479,7 @@ 
         // load css
         wp_register_style(
             'single_page_checkout',
-            SPCO_CSS_URL . 'single_page_checkout.css',
+            SPCO_CSS_URL.'single_page_checkout.css',
             array('espresso_default'),
             EVENT_ESPRESSO_VERSION
         );
@@ -1487,21 +1487,21 @@ 
         // load JS
         wp_register_script(
             'jquery_plugin',
-            EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js',
+            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',
+            EE_THIRD_PARTY_URL.'jquery	.countdown.min.js',
             array('jquery_plugin'),
             '2.1.0',
             true
         );
         wp_register_script(
             'single_page_checkout',
-            SPCO_JS_URL . 'single_page_checkout.js',
+            SPCO_JS_URL.'single_page_checkout.js',
             array('espresso_core', 'underscore', 'ee_form_section_validation'),
             EVENT_ESPRESSO_VERSION,
             true
@@ -1527,7 +1527,7 @@ 
          *      AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
          */
         do_action(
-            'AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(),
+            'AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__'.$this->checkout->current_step->slug(),
             $this
         );
     }
@@ -1579,7 +1579,7 @@ 
                     'layout_strategy' =>
                         new EE_Template_Layout(
                             array(
-                                'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
+                                'layout_template_file' => SPCO_TEMPLATES_PATH.'registration_page_wrapper.template.php',
                                 'template_args'        => array(
                                     'empty_cart'              => $empty_cart,
                                     'revisit'                 => $this->checkout->revisit,
@@ -1649,7 +1649,7 @@ 
         )) {
             add_filter(
                 'FHEE__EEH_Template__powered_by_event_espresso__url',
-                function ($url) {
+                function($url) {
                     return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
                 }
             );
@@ -1805,7 +1805,7 @@ 
             '</h4>',
             '<br />',
             '<p>',
-            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+            '<a href="'.get_post_type_archive_link('espresso_events').'" title="',
             '">',
             '</a>',
             '</p>'

core/EE_Cart.core.php

Doc Comments +3 added lines, -3 removed lines

@@ -260,7 +260,7 @@ 
      * @access  public
      * @param EE_Ticket $ticket
      * @param int       $qty
-     * @return TRUE on success, FALSE on fail
+     * @return boolean on success, FALSE on fail
      * @throws \EE_Error
      */
     public function add_ticket_to_cart(EE_Ticket $ticket, $qty = 1)
@@ -385,7 +385,7 @@ 
      * @save   cart to session
      * @access public
      * @param bool $apply_taxes
-     * @return TRUE on success, FALSE on fail
+     * @return boolean on success, FALSE on fail
      * @throws \EE_Error
      */
     public function save_cart($apply_taxes = true)
@@ -419,7 +419,7 @@ 
 
 
     /**
-     * @return array
+     * @return string[]
      */
     public function __sleep()
     {

Indentation +392 added lines, -392 removed lines

@@ -17,396 +17,396 @@
 class EE_Cart implements ResettableInterface
 {
 
-    /**
-     * instance of the EE_Cart object
-     *
-     * @access    private
-     * @var EE_Cart $_instance
-     */
-    private static $_instance;
-
-    /**
-     * instance of the EE_Session object
-     *
-     * @access    protected
-     * @var EE_Session $_session
-     */
-    protected $_session;
-
-    /**
-     * The total Line item which comprises all the children line-item subtotals,
-     * which in turn each have their line items.
-     * Typically, the line item structure will look like:
-     * grand total
-     * -tickets-sub-total
-     * --ticket1
-     * --ticket2
-     * --...
-     * -taxes-sub-total
-     * --tax1
-     * --tax2
-     *
-     * @var EE_Line_Item
-     */
-    private $_grand_total;
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @access    public
-     * @param EE_Line_Item $grand_total
-     * @param EE_Session   $session
-     * @return \EE_Cart
-     * @throws \EE_Error
-     */
-    public static function instance(EE_Line_Item $grand_total = null, EE_Session $session = null)
-    {
-        if ($grand_total instanceof EE_Line_Item && $grand_total->is_total()) {
-            self::$_instance = new self($grand_total, $session);
-        }
-        // or maybe retrieve an existing one ?
-        if (! self::$_instance instanceof EE_Cart) {
-            // try getting the cart out of the session
-            $saved_cart = $session instanceof EE_Session ? $session->cart() : null;
-            self::$_instance = $saved_cart instanceof EE_Cart ? $saved_cart : new self($grand_total, $session);
-            unset($saved_cart);
-        }
-        // verify that cart is ok and grand total line item exists
-        if (! self::$_instance instanceof EE_Cart || ! self::$_instance->_grand_total instanceof EE_Line_Item) {
-            self::$_instance = new self($grand_total, $session);
-        }
-        self::$_instance->get_grand_total();
-        // once everything is all said and done, save the cart to the EE_Session
-        add_action('shutdown', array(self::$_instance, 'save_cart'), 90);
-        return self::$_instance;
-    }
-
-
-    /**
-     * private constructor to prevent direct creation
-     *
-     * @Constructor
-     * @access private
-     * @param EE_Line_Item $grand_total
-     * @param EE_Session   $session
-     */
-    private function __construct(EE_Line_Item $grand_total = null, EE_Session $session = null)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $this->set_session($session);
-        if ($grand_total instanceof EE_Line_Item && $grand_total->is_total()) {
-            $this->set_grand_total_line_item($grand_total);
-        }
-    }
-
-
-    /**
-     * Resets the cart completely (whereas empty_cart
-     *
-     * @param EE_Line_Item $grand_total
-     * @param EE_Session   $session
-     * @return EE_Cart
-     * @throws \EE_Error
-     */
-    public static function reset(EE_Line_Item $grand_total = null, EE_Session $session = null)
-    {
-        remove_action('shutdown', array(self::$_instance, 'save_cart'), 90);
-        if ($session instanceof EE_Session) {
-            $session->reset_cart();
-        }
-        self::$_instance = null;
-        return self::instance($grand_total, $session);
-    }
-
-
-    /**
-     * @return \EE_Session
-     */
-    public function session()
-    {
-        if (! $this->_session instanceof EE_Session) {
-            $this->set_session();
-        }
-        return $this->_session;
-    }
-
-
-    /**
-     * @param EE_Session $session
-     */
-    public function set_session(EE_Session $session = null)
-    {
-        $this->_session = $session instanceof EE_Session ? $session : EE_Registry::instance()->load_core('Session');
-    }
-
-
-    /**
-     * Sets the cart to match the line item. Especially handy for loading an old cart where you
-     *  know the grand total line item on it
-     *
-     * @param EE_Line_Item $line_item
-     */
-    public function set_grand_total_line_item(EE_Line_Item $line_item)
-    {
-        $this->_grand_total = $line_item;
-    }
-
-
-    /**
-     * get_cart_from_reg_url_link
-     *
-     * @access public
-     * @param EE_Transaction $transaction
-     * @param EE_Session     $session
-     * @return \EE_Cart
-     * @throws \EE_Error
-     */
-    public static function get_cart_from_txn(EE_Transaction $transaction, EE_Session $session = null)
-    {
-        $grand_total = $transaction->total_line_item();
-        $grand_total->get_items();
-        $grand_total->tax_descendants();
-        return EE_Cart::instance($grand_total, $session);
-    }
-
-
-    /**
-     * Creates the total line item, and ensures it has its 'tickets' and 'taxes' sub-items
-     *
-     * @return EE_Line_Item
-     * @throws \EE_Error
-     */
-    private function _create_grand_total()
-    {
-        $this->_grand_total = EEH_Line_Item::create_total_line_item();
-        return $this->_grand_total;
-    }
-
-
-    /**
-     * Gets all the line items of object type Ticket
-     *
-     * @access public
-     * @return \EE_Line_Item[]
-     */
-    public function get_tickets()
-    {
-        if ($this->_grand_total === null) {
-            return array();
-        }
-        return EEH_Line_Item::get_ticket_line_items($this->_grand_total);
-    }
-
-
-    /**
-     * returns the total quantity of tickets in the cart
-     *
-     * @access public
-     * @return int
-     * @throws \EE_Error
-     */
-    public function all_ticket_quantity_count()
-    {
-        $tickets = $this->get_tickets();
-        if (empty($tickets)) {
-            return 0;
-        }
-        $count = 0;
-        foreach ($tickets as $ticket) {
-            $count += $ticket->get('LIN_quantity');
-        }
-        return $count;
-    }
-
-
-    /**
-     * Gets all the tax line items
-     *
-     * @return \EE_Line_Item[]
-     * @throws \EE_Error
-     */
-    public function get_taxes()
-    {
-        return EEH_Line_Item::get_taxes_subtotal($this->_grand_total)->children();
-    }
-
-
-    /**
-     * Gets the total line item (which is a parent of all other line items) on this cart
-     *
-     * @return EE_Line_Item
-     * @throws \EE_Error
-     */
-    public function get_grand_total()
-    {
-        return $this->_grand_total instanceof EE_Line_Item ? $this->_grand_total : $this->_create_grand_total();
-    }
-
-
-    /**
-     * @process items for adding to cart
-     * @access  public
-     * @param EE_Ticket $ticket
-     * @param int       $qty
-     * @return TRUE on success, FALSE on fail
-     * @throws \EE_Error
-     */
-    public function add_ticket_to_cart(EE_Ticket $ticket, $qty = 1)
-    {
-        EEH_Line_Item::add_ticket_purchase($this->get_grand_total(), $ticket, $qty);
-        return $this->save_cart() ? true : false;
-    }
-
-
-    /**
-     * get_cart_total_before_tax
-     *
-     * @access public
-     * @return float
-     * @throws \EE_Error
-     */
-    public function get_cart_total_before_tax()
-    {
-        return $this->get_grand_total()->recalculate_pre_tax_total();
-    }
-
-
-    /**
-     * gets the total amount of tax paid for items in this cart
-     *
-     * @access public
-     * @return float
-     * @throws \EE_Error
-     */
-    public function get_applied_taxes()
-    {
-        return EEH_Line_Item::ensure_taxes_applied($this->_grand_total);
-    }
-
-
-    /**
-     * Gets the total amount to be paid for the items in the cart, including taxes and other modifiers
-     *
-     * @access public
-     * @return float
-     * @throws \EE_Error
-     */
-    public function get_cart_grand_total()
-    {
-        EEH_Line_Item::ensure_taxes_applied($this->_grand_total);
-        return $this->get_grand_total()->total();
-    }
-
-
-    /**
-     * Gets the total amount to be paid for the items in the cart, including taxes and other modifiers
-     *
-     * @access public
-     * @return float
-     * @throws \EE_Error
-     */
-    public function recalculate_all_cart_totals()
-    {
-        $pre_tax_total = $this->get_cart_total_before_tax();
-        $taxes_total = EEH_Line_Item::ensure_taxes_applied($this->_grand_total);
-        $this->_grand_total->set_total($pre_tax_total + $taxes_total);
-        $this->_grand_total->save_this_and_descendants_to_txn();
-        return $this->get_grand_total()->total();
-    }
-
-
-    /**
-     * deletes an item from the cart
-     *
-     * @access public
-     * @param array|bool|string $line_item_codes
-     * @return int on success, FALSE on fail
-     * @throws \EE_Error
-     */
-    public function delete_items($line_item_codes = false)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        return EEH_Line_Item::delete_items($this->get_grand_total(), $line_item_codes);
-    }
-
-
-    /**
-     * @remove ALL items from cart and zero ALL totals
-     * @access public
-     * @return bool
-     * @throws \EE_Error
-     */
-    public function empty_cart()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $this->_grand_total = $this->_create_grand_total();
-        return $this->save_cart(true);
-    }
-
-
-    /**
-     * @remove ALL items from cart and delete total as well
-     * @access public
-     * @return bool
-     * @throws \EE_Error
-     */
-    public function delete_cart()
-    {
-        if ($this->_grand_total instanceof EE_Line_Item) {
-            $deleted = EEH_Line_Item::delete_all_child_items($this->_grand_total);
-            if ($deleted) {
-                $deleted += $this->_grand_total->delete();
-                $this->_grand_total = null;
-                return true;
-            }
-        }
-        return false;
-    }
-
-
-    /**
-     * @save   cart to session
-     * @access public
-     * @param bool $apply_taxes
-     * @return TRUE on success, FALSE on fail
-     * @throws \EE_Error
-     */
-    public function save_cart($apply_taxes = true)
-    {
-        if ($apply_taxes && $this->_grand_total instanceof EE_Line_Item) {
-            EEH_Line_Item::ensure_taxes_applied($this->_grand_total);
-            // make sure we don't cache the transaction because it can get stale
-            if ($this->_grand_total->get_one_from_cache('Transaction') instanceof EE_Transaction
-                && $this->_grand_total->get_one_from_cache('Transaction')->ID()
-            ) {
-                $this->_grand_total->clear_cache('Transaction', null, true);
-            }
-        }
-        if ($this->session() instanceof EE_Session) {
-            return $this->session()->set_cart($this);
-        } else {
-            return false;
-        }
-    }
-
-
-    public function __wakeup()
-    {
-        if (! $this->_grand_total instanceof EE_Line_Item && absint($this->_grand_total) !== 0) {
-            // $this->_grand_total is actually just an ID, so use it to get the object from the db
-            $this->_grand_total = EEM_Line_Item::instance()->get_one_by_ID($this->_grand_total);
-        }
-    }
-
-
-    /**
-     * @return array
-     */
-    public function __sleep()
-    {
-        if ($this->_grand_total instanceof EE_Line_Item && $this->_grand_total->ID()) {
-            $this->_grand_total = $this->_grand_total->ID();
-        }
-        return array('_grand_total');
-    }
+	/**
+	 * instance of the EE_Cart object
+	 *
+	 * @access    private
+	 * @var EE_Cart $_instance
+	 */
+	private static $_instance;
+
+	/**
+	 * instance of the EE_Session object
+	 *
+	 * @access    protected
+	 * @var EE_Session $_session
+	 */
+	protected $_session;
+
+	/**
+	 * The total Line item which comprises all the children line-item subtotals,
+	 * which in turn each have their line items.
+	 * Typically, the line item structure will look like:
+	 * grand total
+	 * -tickets-sub-total
+	 * --ticket1
+	 * --ticket2
+	 * --...
+	 * -taxes-sub-total
+	 * --tax1
+	 * --tax2
+	 *
+	 * @var EE_Line_Item
+	 */
+	private $_grand_total;
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @access    public
+	 * @param EE_Line_Item $grand_total
+	 * @param EE_Session   $session
+	 * @return \EE_Cart
+	 * @throws \EE_Error
+	 */
+	public static function instance(EE_Line_Item $grand_total = null, EE_Session $session = null)
+	{
+		if ($grand_total instanceof EE_Line_Item && $grand_total->is_total()) {
+			self::$_instance = new self($grand_total, $session);
+		}
+		// or maybe retrieve an existing one ?
+		if (! self::$_instance instanceof EE_Cart) {
+			// try getting the cart out of the session
+			$saved_cart = $session instanceof EE_Session ? $session->cart() : null;
+			self::$_instance = $saved_cart instanceof EE_Cart ? $saved_cart : new self($grand_total, $session);
+			unset($saved_cart);
+		}
+		// verify that cart is ok and grand total line item exists
+		if (! self::$_instance instanceof EE_Cart || ! self::$_instance->_grand_total instanceof EE_Line_Item) {
+			self::$_instance = new self($grand_total, $session);
+		}
+		self::$_instance->get_grand_total();
+		// once everything is all said and done, save the cart to the EE_Session
+		add_action('shutdown', array(self::$_instance, 'save_cart'), 90);
+		return self::$_instance;
+	}
+
+
+	/**
+	 * private constructor to prevent direct creation
+	 *
+	 * @Constructor
+	 * @access private
+	 * @param EE_Line_Item $grand_total
+	 * @param EE_Session   $session
+	 */
+	private function __construct(EE_Line_Item $grand_total = null, EE_Session $session = null)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$this->set_session($session);
+		if ($grand_total instanceof EE_Line_Item && $grand_total->is_total()) {
+			$this->set_grand_total_line_item($grand_total);
+		}
+	}
+
+
+	/**
+	 * Resets the cart completely (whereas empty_cart
+	 *
+	 * @param EE_Line_Item $grand_total
+	 * @param EE_Session   $session
+	 * @return EE_Cart
+	 * @throws \EE_Error
+	 */
+	public static function reset(EE_Line_Item $grand_total = null, EE_Session $session = null)
+	{
+		remove_action('shutdown', array(self::$_instance, 'save_cart'), 90);
+		if ($session instanceof EE_Session) {
+			$session->reset_cart();
+		}
+		self::$_instance = null;
+		return self::instance($grand_total, $session);
+	}
+
+
+	/**
+	 * @return \EE_Session
+	 */
+	public function session()
+	{
+		if (! $this->_session instanceof EE_Session) {
+			$this->set_session();
+		}
+		return $this->_session;
+	}
+
+
+	/**
+	 * @param EE_Session $session
+	 */
+	public function set_session(EE_Session $session = null)
+	{
+		$this->_session = $session instanceof EE_Session ? $session : EE_Registry::instance()->load_core('Session');
+	}
+
+
+	/**
+	 * Sets the cart to match the line item. Especially handy for loading an old cart where you
+	 *  know the grand total line item on it
+	 *
+	 * @param EE_Line_Item $line_item
+	 */
+	public function set_grand_total_line_item(EE_Line_Item $line_item)
+	{
+		$this->_grand_total = $line_item;
+	}
+
+
+	/**
+	 * get_cart_from_reg_url_link
+	 *
+	 * @access public
+	 * @param EE_Transaction $transaction
+	 * @param EE_Session     $session
+	 * @return \EE_Cart
+	 * @throws \EE_Error
+	 */
+	public static function get_cart_from_txn(EE_Transaction $transaction, EE_Session $session = null)
+	{
+		$grand_total = $transaction->total_line_item();
+		$grand_total->get_items();
+		$grand_total->tax_descendants();
+		return EE_Cart::instance($grand_total, $session);
+	}
+
+
+	/**
+	 * Creates the total line item, and ensures it has its 'tickets' and 'taxes' sub-items
+	 *
+	 * @return EE_Line_Item
+	 * @throws \EE_Error
+	 */
+	private function _create_grand_total()
+	{
+		$this->_grand_total = EEH_Line_Item::create_total_line_item();
+		return $this->_grand_total;
+	}
+
+
+	/**
+	 * Gets all the line items of object type Ticket
+	 *
+	 * @access public
+	 * @return \EE_Line_Item[]
+	 */
+	public function get_tickets()
+	{
+		if ($this->_grand_total === null) {
+			return array();
+		}
+		return EEH_Line_Item::get_ticket_line_items($this->_grand_total);
+	}
+
+
+	/**
+	 * returns the total quantity of tickets in the cart
+	 *
+	 * @access public
+	 * @return int
+	 * @throws \EE_Error
+	 */
+	public function all_ticket_quantity_count()
+	{
+		$tickets = $this->get_tickets();
+		if (empty($tickets)) {
+			return 0;
+		}
+		$count = 0;
+		foreach ($tickets as $ticket) {
+			$count += $ticket->get('LIN_quantity');
+		}
+		return $count;
+	}
+
+
+	/**
+	 * Gets all the tax line items
+	 *
+	 * @return \EE_Line_Item[]
+	 * @throws \EE_Error
+	 */
+	public function get_taxes()
+	{
+		return EEH_Line_Item::get_taxes_subtotal($this->_grand_total)->children();
+	}
+
+
+	/**
+	 * Gets the total line item (which is a parent of all other line items) on this cart
+	 *
+	 * @return EE_Line_Item
+	 * @throws \EE_Error
+	 */
+	public function get_grand_total()
+	{
+		return $this->_grand_total instanceof EE_Line_Item ? $this->_grand_total : $this->_create_grand_total();
+	}
+
+
+	/**
+	 * @process items for adding to cart
+	 * @access  public
+	 * @param EE_Ticket $ticket
+	 * @param int       $qty
+	 * @return TRUE on success, FALSE on fail
+	 * @throws \EE_Error
+	 */
+	public function add_ticket_to_cart(EE_Ticket $ticket, $qty = 1)
+	{
+		EEH_Line_Item::add_ticket_purchase($this->get_grand_total(), $ticket, $qty);
+		return $this->save_cart() ? true : false;
+	}
+
+
+	/**
+	 * get_cart_total_before_tax
+	 *
+	 * @access public
+	 * @return float
+	 * @throws \EE_Error
+	 */
+	public function get_cart_total_before_tax()
+	{
+		return $this->get_grand_total()->recalculate_pre_tax_total();
+	}
+
+
+	/**
+	 * gets the total amount of tax paid for items in this cart
+	 *
+	 * @access public
+	 * @return float
+	 * @throws \EE_Error
+	 */
+	public function get_applied_taxes()
+	{
+		return EEH_Line_Item::ensure_taxes_applied($this->_grand_total);
+	}
+
+
+	/**
+	 * Gets the total amount to be paid for the items in the cart, including taxes and other modifiers
+	 *
+	 * @access public
+	 * @return float
+	 * @throws \EE_Error
+	 */
+	public function get_cart_grand_total()
+	{
+		EEH_Line_Item::ensure_taxes_applied($this->_grand_total);
+		return $this->get_grand_total()->total();
+	}
+
+
+	/**
+	 * Gets the total amount to be paid for the items in the cart, including taxes and other modifiers
+	 *
+	 * @access public
+	 * @return float
+	 * @throws \EE_Error
+	 */
+	public function recalculate_all_cart_totals()
+	{
+		$pre_tax_total = $this->get_cart_total_before_tax();
+		$taxes_total = EEH_Line_Item::ensure_taxes_applied($this->_grand_total);
+		$this->_grand_total->set_total($pre_tax_total + $taxes_total);
+		$this->_grand_total->save_this_and_descendants_to_txn();
+		return $this->get_grand_total()->total();
+	}
+
+
+	/**
+	 * deletes an item from the cart
+	 *
+	 * @access public
+	 * @param array|bool|string $line_item_codes
+	 * @return int on success, FALSE on fail
+	 * @throws \EE_Error
+	 */
+	public function delete_items($line_item_codes = false)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		return EEH_Line_Item::delete_items($this->get_grand_total(), $line_item_codes);
+	}
+
+
+	/**
+	 * @remove ALL items from cart and zero ALL totals
+	 * @access public
+	 * @return bool
+	 * @throws \EE_Error
+	 */
+	public function empty_cart()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$this->_grand_total = $this->_create_grand_total();
+		return $this->save_cart(true);
+	}
+
+
+	/**
+	 * @remove ALL items from cart and delete total as well
+	 * @access public
+	 * @return bool
+	 * @throws \EE_Error
+	 */
+	public function delete_cart()
+	{
+		if ($this->_grand_total instanceof EE_Line_Item) {
+			$deleted = EEH_Line_Item::delete_all_child_items($this->_grand_total);
+			if ($deleted) {
+				$deleted += $this->_grand_total->delete();
+				$this->_grand_total = null;
+				return true;
+			}
+		}
+		return false;
+	}
+
+
+	/**
+	 * @save   cart to session
+	 * @access public
+	 * @param bool $apply_taxes
+	 * @return TRUE on success, FALSE on fail
+	 * @throws \EE_Error
+	 */
+	public function save_cart($apply_taxes = true)
+	{
+		if ($apply_taxes && $this->_grand_total instanceof EE_Line_Item) {
+			EEH_Line_Item::ensure_taxes_applied($this->_grand_total);
+			// make sure we don't cache the transaction because it can get stale
+			if ($this->_grand_total->get_one_from_cache('Transaction') instanceof EE_Transaction
+				&& $this->_grand_total->get_one_from_cache('Transaction')->ID()
+			) {
+				$this->_grand_total->clear_cache('Transaction', null, true);
+			}
+		}
+		if ($this->session() instanceof EE_Session) {
+			return $this->session()->set_cart($this);
+		} else {
+			return false;
+		}
+	}
+
+
+	public function __wakeup()
+	{
+		if (! $this->_grand_total instanceof EE_Line_Item && absint($this->_grand_total) !== 0) {
+			// $this->_grand_total is actually just an ID, so use it to get the object from the db
+			$this->_grand_total = EEM_Line_Item::instance()->get_one_by_ID($this->_grand_total);
+		}
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function __sleep()
+	{
+		if ($this->_grand_total instanceof EE_Line_Item && $this->_grand_total->ID()) {
+			$this->_grand_total = $this->_grand_total->ID();
+		}
+		return array('_grand_total');
+	}
 }

Spacing +4 added lines, -4 removed lines

@@ -65,14 +65,14 @@ 
             self::$_instance = new self($grand_total, $session);
         }
         // or maybe retrieve an existing one ?
-        if (! self::$_instance instanceof EE_Cart) {
+        if ( ! self::$_instance instanceof EE_Cart) {
             // try getting the cart out of the session
             $saved_cart = $session instanceof EE_Session ? $session->cart() : null;
             self::$_instance = $saved_cart instanceof EE_Cart ? $saved_cart : new self($grand_total, $session);
             unset($saved_cart);
         }
         // verify that cart is ok and grand total line item exists
-        if (! self::$_instance instanceof EE_Cart || ! self::$_instance->_grand_total instanceof EE_Line_Item) {
+        if ( ! self::$_instance instanceof EE_Cart || ! self::$_instance->_grand_total instanceof EE_Line_Item) {
             self::$_instance = new self($grand_total, $session);
         }
         self::$_instance->get_grand_total();
@@ -124,7 +124,7 @@ 
      */
     public function session()
     {
-        if (! $this->_session instanceof EE_Session) {
+        if ( ! $this->_session instanceof EE_Session) {
             $this->set_session();
         }
         return $this->_session;
@@ -392,7 +392,7 @@ 
 
     public function __wakeup()
     {
-        if (! $this->_grand_total instanceof EE_Line_Item && absint($this->_grand_total) !== 0) {
+        if ( ! $this->_grand_total instanceof EE_Line_Item && absint($this->_grand_total) !== 0) {
             // $this->_grand_total is actually just an ID, so use it to get the object from the db
             $this->_grand_total = EEM_Line_Item::instance()->get_one_by_ID($this->_grand_total);
         }