/**
  * 	process_ticket_selections
  *
  *	@access public
  * 	@access 		public
  * 	@return		array  or FALSE
  */
 public function process_ticket_selections()
 {
     do_action('EED_Ticket_Selector__process_ticket_selections__before');
     // check nonce
     if (!is_admin() && (!EE_Registry::instance()->REQ->is_set('process_ticket_selections_nonce') || !wp_verify_nonce(EE_Registry::instance()->REQ->get('process_ticket_selections_nonce'), 'process_ticket_selections'))) {
         EE_Error::add_error(sprintf(__('We\'re sorry but your request failed to pass a security check.%sPlease click the back button on your browser and try again.', 'event_espresso'), '<br/>'), __FILE__, __FUNCTION__, __LINE__);
         return FALSE;
     }
     //		d( EE_Registry::instance()->REQ );
     self::$_available_spaces = array('tickets' => array(), 'datetimes' => array());
     //we should really only have 1 registration in the works now (ie, no MER) so clear any previous items in the cart.
     // When MER happens this will probably need to be tweaked, possibly wrapped in a conditional checking for some constant defined in MER etc.
     EE_Registry::instance()->load_core('Session');
     // unless otherwise requested, clear the session
     if (apply_filters('FHEE__EE_Ticket_Selector__process_ticket_selections__clear_session', TRUE)) {
         EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
     }
     //d( EE_Registry::instance()->SSN );
     do_action('AHEE_log', __FILE__, __FUNCTION__, '');
     // do we have an event id?
     if (EE_Registry::instance()->REQ->is_set('tkt-slctr-event-id')) {
         // validate/sanitize data
         $valid = self::_validate_post_data();
         //EEH_Debug_Tools::printr( $_REQUEST, '$_REQUEST', __FILE__, __LINE__ );
         //EEH_Debug_Tools::printr( $valid, '$valid', __FILE__, __LINE__ );
         //EEH_Debug_Tools::printr( $valid[ 'total_tickets' ], 'total_tickets', __FILE__, __LINE__ );
         //EEH_Debug_Tools::printr( $valid[ 'max_atndz' ], 'max_atndz', __FILE__, __LINE__ );
         //check total tickets ordered vs max number of attendees that can register
         if ($valid['total_tickets'] > $valid['max_atndz']) {
             // ordering too many tickets !!!
             $total_tickets_string = _n('You have attempted to purchase %s ticket.', 'You have attempted to purchase %s tickets.', $valid['total_tickets'], 'event_espresso');
             $limit_error_1 = sprintf($total_tickets_string, $valid['total_tickets']);
             // dev only message
             $max_atndz_string = _n('The registration limit for this event is %s ticket per registration, therefore the total number of tickets you may purchase at a time can not exceed %s.', 'The registration limit for this event is %s tickets per registration, therefore the total number of tickets you may purchase at a time can not exceed %s.', $valid['max_atndz'], 'event_espresso');
             $limit_error_2 = sprintf($max_atndz_string, $valid['max_atndz'], $valid['max_atndz']);
             EE_Error::add_error($limit_error_1 . '<br/>' . $limit_error_2, __FILE__, __FUNCTION__, __LINE__);
         } else {
             // all data appears to be valid
             $tckts_slctd = FALSE;
             $success = TRUE;
             // load cart
             EE_Registry::instance()->load_core('Cart');
             // cycle thru the number of data rows sent from the event listing
             for ($x = 0; $x < $valid['rows']; $x++) {
                 // does this row actually contain a ticket quantity?
                 if (isset($valid['qty'][$x]) && $valid['qty'][$x] > 0) {
                     // YES we have a ticket quantity
                     $tckts_slctd = TRUE;
                     //						d( $valid['ticket_obj'][$x] );
                     if ($valid['ticket_obj'][$x] instanceof EE_Ticket) {
                         // then add ticket to cart
                         $ticket_added = self::_add_ticket_to_cart($valid['ticket_obj'][$x], $valid['qty'][$x]);
                         $success = !$ticket_added ? FALSE : $success;
                         if (EE_Error::has_error()) {
                             break;
                         }
                     } else {
                         // nothing added to cart retrieved
                         EE_Error::add_error(sprintf(__('A valid ticket could not be retrieved for the event.%sPlease click the back button on your browser and try again.', 'event_espresso'), '<br/>'), __FILE__, __FUNCTION__, __LINE__);
                     }
                 }
             }
             //d( EE_Registry::instance()->CART );
             //die(); // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< KILL REDIRECT HERE BEFORE CART UPDATE
             if ($tckts_slctd) {
                 if ($success) {
                     do_action('FHEE__EE_Ticket_Selector__process_ticket_selections__before_redirecting_to_checkout', EE_Registry::instance()->CART, $this);
                     EE_Registry::instance()->CART->recalculate_all_cart_totals();
                     EE_Registry::instance()->CART->save_cart(FALSE);
                     EE_Registry::instance()->SSN->update();
                     //d( EE_Registry::instance()->CART );
                     //die(); // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< OR HERE TO KILL REDIRECT AFTER CART UPDATE
                     // just return TRUE for registrations being made from admin
                     if (is_admin()) {
                         return TRUE;
                     }
                     wp_safe_redirect(apply_filters('FHEE__EE_Ticket_Selector__process_ticket_selections__success_redirect_url', EE_Registry::instance()->CFG->core->reg_page_url()));
                     exit;
                 } else {
                     if (!EE_Error::has_error()) {
                         // nothing added to cart
                         EE_Error::add_attention(__('No tickets were added for the event', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
                     }
                 }
             } else {
                 // no ticket quantities were selected
                 EE_Error::add_error(__('You need to select a ticket quantity before you can proceed.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
             }
         }
         //die(); // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< KILL BEFORE REDIRECT
         // at this point, just return if registration is being made from admin
         if (is_admin()) {
             return FALSE;
         }
         if ($valid['return_url']) {
             EE_Error::get_notices(FALSE, TRUE);
             wp_safe_redirect($valid['return_url']);
             exit;
         } elseif (isset($event_to_add['id'])) {
             EE_Error::get_notices(FALSE, TRUE);
             wp_safe_redirect(get_permalink($event_to_add['id']));
             exit;
         } else {
             echo EE_Error::get_notices();
         }
     } else {
         // $_POST['tkt-slctr-event-id'] was not set ?!?!?!?
         EE_Error::add_error(sprintf(__('An event id was not provided or was not received.%sPlease click the back button on your browser and try again.', 'event_espresso'), '<br/>'), __FILE__, __FUNCTION__, __LINE__);
     }
     return FALSE;
 }