Displays a list of all published MemberPress courses.

mpcs-all-courses.php

<?php
function mpcs_all_courses($atts) {
  $content = '';

  $courses = get_posts(
    array(
      'post_type' => 'mpcs-course',
      'post_status' => 'publish',
      'posts_per_page' => '-1',
      'orderby' => 'title',
      'order' => 'ASC'
    )
  );

  if(is_array($courses)) {
    $content .= '<ul>';
    if(has_post_thumbnail($course->ID)) {
        $content .= get_the_post_thumbnail($course->ID, 'thumbnail');
        $content .= '<br>';
     }
    
    foreach($courses as $course) {
      $content .= '<li>';
      $content .= '<a href="' . get_permalink($course->ID) . '">';
      $content .= $course->post_title;
      $content .= '</a>';
      $content .= '</li>';
    }
    $content .= '</ul>';
  }

  return $content;
}
add_shortcode('mpcs-all-courses', 'mpcs_all_courses');

@DumahX hey, thanks for sharing the code snippet but it arise warning in L 17, it shows undefined variable $course with attempt to read property "ID" on null. Also there are missing few others checking before showing any course.

Thanks btw.