Custom #_ATTENDEESLIST

<?php

/*
 * This snippet will override template when using placeholder #_ATTENDEESLIST and will add attendee names captured by attendee form
 * This assumes that you are using a field with ID attendee_name in your attendee form.
 *
 * How to install:
 * 1. create these folders within your theme directory
 *    wp-contents > themes > Your Theme > (create these folders) plugins > events-manager > placeholders
 * 2. create attendeeslist.php inside placeholder folder at step#1 then edit
 * 3. paste this whole snippet
 */

/* @var $EM_Event EM_Event */
$people = array();
$EM_Bookings = $EM_Event->get_bookings();
if( count($EM_Bookings->bookings) > 0 ){
    ?>
    <ul class="event-attendees">
    <?php
    $guest_bookings = get_option('dbem_bookings_registration_disable');
    $guest_booking_user = get_option('dbem_bookings_registration_user');
    foreach( $EM_Bookings as $EM_Booking){
        if($EM_Booking->booking_status == 1){
            $attendees_list = "";
            $attendees = $EM_Booking->booking_meta['attendees'];
            if ( !empty($attendees) ){

                foreach($attendees as $key => $value) {
                    $attendees_list = "<ul style='padding-left:20px'>";
                    foreach($value as $key_attendee => $value_attendee) {
                        $attendees_list .= "<li>".$value_attendee["attendee_name"]."</li>";
                    }
                    $attendees_list .= "</ul>";
                }
            }
            echo '<li>'. $EM_Booking->get_person()->get_name() .' '. $EM_Booking->output("#_BOOKINGFORMCUSTOM{field_id}").$attendees_list.'</li>';
        }
    }
    ?>
    </ul>
    <?php
}