<?php
echo get_youtube_flv("http://www.youtube.com/watch?v=-qScD5orNAI&feature=bz302");

/*********************************************************************************/
function get_youtube_flv($input, $type = 'url')
{
	$c = new CurlSingle;

	if($type == 'url')
	{
		$input = str_replace('?v=', '', strrchr($input, '?v='));
		$id = str_replace(strrchr($input, '&'), '', $input);
	} 
	else if ($type == 'id')
		$id = $input;
		
	$c->get('http://www.youtube.com/v/' . $id);
	$url = $c->last_url();
	
	$t =  str_replace('&t=', '', strrchr($url, "&t="));
	
	return 'http://www.youtube.com/get_video?video_id=' . $id . '&t=' . $t;
}

class CurlSingle
{
    function setup()
    {
        $cookieJar = 'cookies.txt';
        curl_setopt($this->curl,CURLOPT_COOKIEJAR, $cookieJar); 
        curl_setopt($this->curl,CURLOPT_COOKIEFILE, $cookieJar);
        curl_setopt($this->curl,CURLOPT_AUTOREFERER, true);
        curl_setopt($this->curl,CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($this->curl,CURLOPT_RETURNTRANSFER, true);
		curl_setopt($this->curl,CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11');
    }
    
    function get($url)
    { 
        $this->curl = curl_init($url);
        $this->setup();
        
        return $this->request();
    }
    
    function getAll($reg,$str)
    {
        preg_match_all($reg,$str,$matches);
        return $matches[1];
    }
    
    function post($url, $fields, $referer='')
    {
		$timeout = 0;
        $this->curl = curl_init($url);
        $this->setup();
        curl_setopt($this->curl, CURLOPT_URL, $url);
        curl_setopt($this->curl, CURLOPT_POST, 1);
        curl_setopt($this->curl, CURLOPT_REFERER, $referer);
        curl_setopt($this->curl, CURLOPT_POSTFIELDS, $fields);
		curl_setopt($this->curl, CURLOPT_CONNECTTIMEOUT, $timeout);
		curl_setopt($this->curl, CURLOPT_HTTPHEADER, array('Expect:'));
        return $this->request();
    }
    
    function last_url()
    {
        return curl_getinfo($this->curl, CURLINFO_EFFECTIVE_URL);
    }
    
    function request()
    {
        return curl_exec($this->curl);
    }
}

?>