Archive_Tar::add PHP Method

    function add($p_filelist)
    {
        return $this->addModify($p_filelist, '', '');
    }

 /**
  * Method to create an archive file
  *
  * @param  string|array $files
  * @return void
  */
 public function addFiles($files)
 {
     if (!is_array($files)) {
         $files = array($files);
     }
     foreach ($files as $file) {
         // If file is a directory, loop through and add the files.
         if (file_exists($file) && is_dir($file)) {
             $realpath = realpath($file);
             $dir = new Dir($file, true, true);
             $dirFiles = $dir->getFiles();
             foreach ($dirFiles as $fle) {
                 if (file_exists($fle) && !is_dir($fle)) {
                     $fle = $file . DIRECTORY_SEPARATOR . str_replace($realpath . DIRECTORY_SEPARATOR, '', $fle);
                     $this->archive->add($fle);
                 }
             }
             // Else, just add the file.
         } else {
             if (file_exists($file)) {
                 $this->archive->add($file);
             }
         }
     }
 }