oEmbed code snippet

oembed_snippet.php

<?php

class Util {

/**
 * oEmbed
 * Fetches embed codes for Vimeo or YouTube.
 *
 * $url: the video's URI.
 * $maxwidth: embed width, in pixels (optional)
 * $more_options: query string to append (optional)
 *
 * Returns Array with oEmbed data.
 */
public static function oEmbed($url, $maxwidth=false, $more_options='') {
	global $Config;
	$so = false;
	$xml_url = false;
	$oembed = false;

	if (!$maxwidth) { $maxwidth = $Config['Width-L']; }
	
	// is embed code cached? (uses my Cache class)
	$so = Cache::load($url, 'oembed'.$maxwidth, 24*365); // 1 year half-life

	if (!$so) {

		$more_options = empty($more_options) ? '' : '&'.$more_options;

		// Vimeo:
		if(preg_match('/^http:\/\/.*?vimeo.com/', $url)) {
			$options = http_build_query(array(
				'url' => $url,
				'width' => $maxwidth,
				'portrait' => 'false',
				'color' => 'CCCCCC',
				), '', '&'); // PHP 5.3 requires the & separator to be set
			// get it
			$xml_url = 'http://www.vimeo.com/api/oembed.xml?'.$options.$more_options;
		}
		// Youtube:
		if(preg_match('/^http:\/\/.*?youtube.com/', $url)) {
			$options = http_build_query(array(
				'url' => $url,
				'maxwidth' => $maxwidth,
				'iframe' => 1,
				'format' => 'xml'
				), '', '&'); // PHP 5.3 requires the & separator to be set
			// get it
			$xml_url = 'http://www.youtube.com/oembed?'.$options.$more_options;
		}

		// get it:
		if ($xml_url) {
			if ($oembed = @simplexml_load_file($xml_url)) {
				$so = json_encode($oembed);
				Cache::save($url, $so, 'oembed'.$maxwidth);
			}
		}
	} else {
		$oembed = json_decode($so);
	}

	return $oembed;
}


} // end class

?>