Custom LearnDash Content for AppPresser

apppresser-learndash-content.php

<?php
/*
 * Add custom content (such as a video) before the LearnDash content
 * This example adds a video from BuddyBoss to the app
 * Add this code to a plugin, change the post meta value as necessary
 */

add_filter("learndash_content", function($content, $post) {
	
	if( class_exists('AppPresser') && AppPresser::is_app() ) {
		
    		// get our video url from post meta
		$meta = get_post_meta( $post->ID, '_boss_edu_post_video', 1 );
		
		if( $meta ) {
      			// if the video url exists, add the embed code before the LearnDash content
			$content = wp_oembed_get( $meta ) . $content;
		}
		
	}
	
	return $content;
	
}, 5, 2);