<?php
// first function, read HTML from youtube
function get_content_of_url($url){
$ohyeah = curl_init();
curl_setopt($ohyeah, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ohyeah, CURLOPT_URL, $url);
$data = curl_exec($ohyeah);
curl_close($ohyeah);
return $data;
}
// second function, get path that lead into movie files
function get_flv_link($string) {
if (preg_match('/\/player2\.swf\?(.*)", "movie_player"/', $string, $match)) {
$url = $match[1];
return 'http://youtube.com/get_video.php?'.$url;
}
}
// third function, read header returned by second function above
function get_http_header($url){
$uh = curl_init();
curl_setopt($uh, CURLOPT_URL, $url);
curl_setopt($uh, CURLOPT_HEADER, 1);
curl_setopt($uh, CURLOPT_RETURNTRANSFER, 1);
$res = curl_exec($uh);
curl_close($uh);
return $res;
}
// fourth function, parse the header and show only the link
function show_url($http_header){
$arai = explode("\n",$http_header);
foreach($arai as $ini){
if(eregi("location",$ini)) $url = $ini;
}
list($sampah,$hasil) = explode("Location:",$url);
return str_replace("\n","",trim($hasil));
}
// fifth function, join the four functions above
function download_youtube($url){
$data = get_content_of_url($url);
$next_url = get_flv_link($data);
$data = get_http_header($next_url);
return show_url($data);
}
?>
Usage Example
<?php
error_reporting(0); // <-- to eliminate error report
ini_set("max_execution_time",0); // <-- to avoid operation timed out
echo download_youtube("http://youtube.com/watch?v=O-Tt229laCE");
?>
