Retrieves the thumbnail from a youtube or vimeo video

retrieves-thumbnail-youtube.php

<?php
/**
 * Retrieves the thumbnail from a youtube or vimeo video
 * @param - $src: the url of the "player"
 * @return - string
 * 
**/
function get_video_thumbnail( $src ) {
	$url_pieces = explode('/', $src);
	
	if ( $url_pieces[2] == 'vimeo.com' ) { // If Vimeo
		$id = $url_pieces[3];
		$hash = unserialize(file_get_contents('https://vimeo.com/api/v2/video/' . $id . '.php'));
		$thumbnail = $hash[0]['thumbnail_large'];
	} elseif ( $url_pieces[2] == 'www.youtube.com' ) { // If Youtube
		$extract_id = explode('v=', $url_pieces[3]);
		$id = $extract_id[1];
//		$thumbnail = 'https://img.youtube.com/vi/' . $id . '/mqdefault.jpg';
		$thumbnail = 'https://img.youtube.com/vi/' . $id . '/maxresdefault.jpg';
	}
    $image = '<img class="" src="'.$thumbnail.'" width="960">';
	return $image;
}