buzzerstar - libraryv3 - youtube - SOURCE CODE

<?php
/*
 * function to get via cUrl 
 * From lastRSS 0.9.1 by Vojtech Semecky, webmaster @ webdot . cz
 * See      http://lastrss.webdot.cz/
 */
 
function curlGetStore($URL, $filepath) {
    $ch = curl_init();
    $timeout = 5;
    $fp = fopen ($filepath, 'w');
	
	curl_setopt( $ch , CURLOPT_URL , $URL );
    curl_setopt( $ch , CURLOPT_RETURNTRANSFER , 1 );
    curl_setopt( $ch , CURLOPT_CONNECTTIMEOUT , $timeout );
	/* if you want to force to ipv6, uncomment the following line */ 
	curl_setopt( $ch , CURLOPT_IPRESOLVE , 'CURLOPT_IPRESOLVE_V6');
    curl_setopt($ch, CURLOPT_FILE, $fp);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
	$tmp = curl_exec( $ch );
    curl_close( $ch );
	fclose($fp);
    return $tmp;
} 

function curlGet($URL) {
    $ch = curl_init();
    $timeout = 5;
    curl_setopt( $ch , CURLOPT_URL , $URL );
    curl_setopt( $ch , CURLOPT_RETURNTRANSFER , 1 );
    curl_setopt( $ch , CURLOPT_CONNECTTIMEOUT , $timeout );
	/* if you want to force to ipv6, uncomment the following line */ 
	//curl_setopt( $ch , CURLOPT_IPRESOLVE , 'CURLOPT_IPRESOLVE_V6');
    $tmp = curl_exec( $ch );
    curl_close( $ch );
    return $tmp;
}  

/* 
 * function to use cUrl to get the headers of the file 
 */ 
function get_location($url) {
	$my_ch = curl_init();
	curl_setopt($my_ch, CURLOPT_URL,$url);
	curl_setopt($my_ch, CURLOPT_HEADER,         true);
	curl_setopt($my_ch, CURLOPT_NOBODY,         true);
	curl_setopt($my_ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($my_ch, CURLOPT_TIMEOUT,        10);
	$r = curl_exec($my_ch);
	 foreach(explode("\n", $r) as $header) {

... [truncated, 36 more lines] ...

<?php
ob_start();// if not, some servers will show this php warning: header is already set in line 46...

// Source: https://github.com/jeckman/YouTube-Downloader
require_once( "curl.inc.php");

function clean($string) {
   $string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.
   return preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.
}

function formatBytes($bytes, $precision = 2) { 
    $units = array('B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'); 
    $bytes = max($bytes, 0); 
    $pow = floor(($bytes ? log($bytes) : 0) / log(1024)); 
    $pow = min($pow, count($units) - 1); 
    $bytes /= pow(1024, $pow);
    return round($bytes, $precision) . '' . $units[$pow]; 
} 

function parseVideoID( $request ){

	if(isset($request)) {
		$my_id = $request;
		if(strlen($my_id)>11){
			$url   = parse_url($my_id);
			$my_id = NULL;
			if( is_array($url) && count($url)>0 && isset($url['query']) && !empty($url['query']) ){
				$parts = explode('&',$url['query']);
				if( is_array($parts) && count($parts) > 0 ){
					foreach( $parts as $p ){
						$pattern = '/^v\=/';
						if( preg_match($pattern, $p) ){
							$my_id = preg_replace($pattern,'',$p);
							return $my_id;
							break;
						}
					}
				}
				if( !$my_id ){
				//	echo '<p>No video id passed in</p>';
				//	exit;
				}
			}else{
			//	echo '<p>Invalid url</p>';
			//	exit;
			}
		}
	} else {
	//	echo '<p>No video id passed in</p>';

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