mage-eventpress/inc/template-prts/event_speakers_list.php

<?php
if (!defined('ABSPATH')) {
    die;
} // Cannot access pages directly.

/**
 * This Function will hooked up with the speaker action hook mep_event_speakers_list to display the Event Speaker List
 */

 add_action('mep_event_speakers_list','mep_display_speaker_list');
 if (!function_exists('mep_display_speaker_list')) {
 function mep_display_speaker_list($event_id){
    $speakers_id = get_post_meta($event_id,'mep_event_speakers_list',true) ? maybe_unserialize(get_post_meta($event_id,'mep_event_speakers_list',true)) : array();
    $speaker_icon               = get_post_meta($event_id,'mep_event_speaker_icon',true) ? get_post_meta($event_id,'mep_event_speaker_icon',true) : 'fa fa-microphone';
    $speaker_label              = get_post_meta($event_id,'mep_speaker_title',true) ? get_post_meta($event_id,'mep_speaker_title',true) : __("Speaker's","mage-eventpress");
    
    if(is_array($speakers_id) && sizeof($speakers_id) > 0){
        ?>
 <h3><?php ?><i class="<?php echo $speaker_icon; ?>"></i> <?php echo $speaker_label; ?></h3>
        <?php
        echo '<ul>';
        foreach($speakers_id as $speakers){
        ?>
        <li>
            <a href='<?php echo get_the_permalink($speakers); ?>'><?php if(has_post_thumbnail($speakers)){ echo get_the_post_thumbnail($speakers,'medium'); }else{ echo '<img src="'.plugins_url( '../images/no-photo.jpg' , __DIR__ ).'"/>'; } ?>
            <h6><?php echo get_the_title($speakers); ?></h6></a>
        </li>
        <?php
        }
        echo '</ul>';
    }
 }
}