<?php
function getyoutubethumb($videoid)
{
	GLOBAL $thumbnail;
	
	$thumbnail = '';
	$url = 'http://www.youtube.com/api2_rest?method=youtube.videos.get_details&dev_id=lDGXWS_Iw7E&video_id='.$videoid;

	$xml_parser = xml_parser_create();
	xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, true);
	xml_set_element_handler($xml_parser, "startUTube", "endUTube");
	xml_set_character_data_handler($xml_parser, "UTubeData");
	if (!($fp = fopen($url, "r"))) 
	{
		die("could not open XML input");
	}
	
	while ($data = fread($fp, 4096)) 
	{
		if (!xml_parse($xml_parser, $data, feof($fp))) 
		{
			// ERROR - IGNORE
		}
	}
	xml_parser_free($xml_parser);
	
	return $thumbnail;
}

function getgooglethumb($videoid)
{
	$vrss = file_get_contents('http://video.google.com/videofeed?docid='.$videoid);
	
	if(!empty($vrss))
	{
		preg_match('/<media:thumbnail url="([^"]+)/',$vrss,$thumbnail_array);
		$thumbnail = $thumbnail_array[1];
		//Remove amp;
		$thumbnail = str_replace('amp;','',$thumbnail);
	}
	
	return $thumbnail;
}

function getrevverthumb($videoid)
{
	return 'http://media.revver.com/broadcast/'.$videoid.'/thumbs/thumb_default.jpg';
}

function startUTube($parser, $name, $attrs)
{
	GLOBAL $current_tag;

	$current_tag = $name;
}

function endUTube($parser, $name)
{

}

function UTubeData($parser, $data)
{
	GLOBAL $thumbnail,$current_tag;

	if($current_tag == 'THUMBNAIL_URL')
	{
		$thumbnail.= $data;
	}
}
?>