Get YouTube Embed URL

getYTEmbedUrl.php

<?php

/**
 * Get YouTube Embed URL
 * @author Ali Haris (cyberatoll.com)
 */

/**
 * @param url
 * @return youtube embed url
 */
function getYTEmbedUrl($url){
	parse_str(parse_url($url, PHP_URL_QUERY), $vars);

	return "http://youtube.com/embed/".$vars['v'];
}

// execution
echo getYTEmbedUrl("http://www.youtube.com/watch?feature=player_embedded&v=er2ajNu49TA");