filterYoutubeURL

filterYoutubeURL.php

function filterYoutubeURL($url) {
	if (strpos($url, 'watch?v=') != false) {
		$url = explode('=', $url);
		if (strpos($url[1], '&') != false) {
			$url = explode('&', $url[1]);
			return $url[0];
		} else return $url[1];
	} else if (strpos($url, 'youtu.be/') != false) {
		$url = preg_replace('/http:\/\/youtu.be\//', '', $url);
		$url = preg_replace('/https:\/\/youtu.be\//', '', $url);
		$url = preg_replace('/youtu.be\//', '', $url);
		$url = preg_replace('/\//', '', $url);
		if (strpos($url, '?') != false) {
			$url = explode('?', $url);
			$url = $url[0];
		}
		return $url;
	} else return $url;
}