functions.php

<?php        

 /**
 * Class Liked_Videos_Custom_Shortcode
 * @package     
 */
final class Liked_Videos_Custom_Shortcode {

	/**
	* Main Liked_Videos_Custom_Shortcode Instance
	*/
	public function __construct() {
		self::load_hooks();
	}

	public function load_hooks() {
	    add_shortcode('latest-video' , array( __CLASS__ , 'latest_video_shortcode'));
	}

	public function latest_video_shortcode() {
	    $posts = get_posts(array(
		'post_type' => 'liked-videos',
		'posts_per_page' => 1,
		'orderby'          => 'rand'
	    ));

	    echo '<style>.liked-video-embed iframe { min-height:450px!important; }</style>';

	    foreach ($posts as $post) {
		$content = $post->post_content;
		$parts  = explode( '</iframe>' , $content );
		$final_content =  $parts[0].'</iframe><caption><i>Random liked video. Refresh to load a new one!</i></caption>';

		if ( current_user_can( 'manage_options' ) ) {
		    /* delete button */
		    $delete_button = get_delete_post_link( $post->ID , false, false );
		    $final_content .= '<div><a href="'.$delete_button.'" target="_blank">[delete]</a>';
		}

		return $final_content;
	    }
	}
}

/* Initiate Class */
new Liked_Videos_Custom_Shortcode;