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@ 2015-10-27T04:44:18Z

<?php
namespace ZarkielMedia;

class Youtube{

private $videoMap = array(
"13" => array("3GP", "Low Quality - 176x144"),
"17" => array("3GP", "Medium Quality - 176x144"),
"36" => array("3GP", "High Quality - 320x240"),
"5" => array("FLV", "Low Quality - 400x226"),
"6" => array("FLV", "Medium Quality - 640x360"),
  "34" => array("FLV", "Medium Quality - 640x360"),
  "35" => array("FLV", "High Quality - 854x480"),
  "43" => array("WEBM", "Low Quality - 640x360"),
  "44" => array("WEBM", "Medium Quality - 854x480"),
  "45" => array("WEBM", "High Quality - 1280x720"),
  "18" => array("MP4", "Medium Quality - 480x360"),
  "22" => array("MP4", "High Quality - 1280x720"),
  "37" => array("MP4", "High Quality - 1920x1080"),
  "38" => array("MP4", "High Quality - 4096x230")
);
  
 
  private $videoPageUrl = 'http://www.youtube.com/watch?v=';
  
  
  protected function getPageContent($id){
      $page = $this->videoPageUrl.$id;
      $content = file_get_contents($page);
      return $content;
    }
  

  function getDownloadLinks($id){
      $content = $this->getPageContent($id);
      $videos = array('MP4' => array(), 'FLV' => array(), '3GP' => array(), 'WEBM' => array());
      
      if(preg_match('/"url_encoded_fmt_stream_map": "(.*)"/iUm', $content, $r)){
              $data = $r[1];
              $data = explode(',', $data);
              
              foreach($data As $cdata){
                              $cdata = str_replace('u0026', '&', $cdata);
                              $cdata = explode('&', $cdata);
                              
                              foreach($cdata As $xdata){
                                                              if(preg_match('/^sig/', $xdata)){
                                                                                                                              $sig = substr($xdata, 4);
                                                                                                                            }
                                                              
                                                              if(preg_match('/^url/', $xdata)){
                                                                                                                              $url = substr($xdata, 4);
                                                                                                                            }
                                                              
                                                              if(preg_match('/^itag/', $xdata)){
                                                                                                                              $type = substr($xdata, 5);
                                                                                                                            }
                                                            }
                              $url = urldecode($url).'&signature='.$sig;
                              $videos[$this->videoMap[$type][0]][$this->videoMap[$type][1]] = $url;
                            }
            }
      
      return $videos;
    }
}

$youtube = new Zarkiel\Media\Youtube();
$download_links = $youtube->getDownloadLinks('q_gfD3nvh-8'); 
print_r($download_links);

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Fatal error: Uncaught Error: Class "ZarkielMedia\Zarkiel\Media\Youtube" not found in /in/84JUr:68 Stack trace: #0 {main} thrown in /in/84JUr on line 68
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Class "ZarkielMedia\Zarkiel\Media\Youtube" not found in /in/84JUr:68 Stack trace: #0 {main} thrown in /in/84JUr on line 68
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Fatal error: Uncaught Error: Class 'ZarkielMedia\Zarkiel\Media\Youtube' not found in /in/84JUr:68 Stack trace: #0 {main} thrown in /in/84JUr on line 68
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.40: Fatal error: Class 'ZarkielMedia\Zarkiel\Media\Youtube' not found in /in/84JUr on line 68
Process exited with code 255.

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