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function my_get_ticket_booked_spaces( $booked_spaces, $EM_Ticket ){ global $wpdb; $table_name = $wpdb->prefix.'em_tickets_bookings'; $booked_spaces = $wpdb->get_var('SELECT SUM(ticket_booking_spaces) AS booked_space FROM '.$table_name.' WHERE ticket_id='. absint($EM_Ticket->ticket_id) .' GROUP BY ticket_id'); return $booked_spaces; } add_filter('em_ticket_get_booked_spaces', 'my_get_ticket_booked_spaces', 100, 2 );
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