/**
  * Extract files from an archive using php
  *
  * @param string  $path  archive path
  * @param array $archiver
  * @return bool
  */
 protected function PhpExtract($path, $archiver)
 {
     // create archive object
     switch ($archiver['ext']) {
         case 'zip':
         case 'tbz':
         case 'tgz':
         case 'tar':
             include 'Archive.php';
             $archive = new Archive($path);
             break;
         default:
             return $this->setError('Unknown archive type');
     }
     $dest = $this->ArchiveDestination($path);
     $archive->extractTo($dest);
     return $dest;
 }