Whups_Query::pathToString PHP Метод

    public static function pathToString(&$path)
    {
        return implode(',', $path);
    }

 public function insertBranch($pathstring, $type)
 {
     $path = Whups_Query::stringToPath($pathstring);
     $qobj =& $this->query;
     $newbranch = array('type' => $type, 'children' => array());
     $count = count($path);
     for ($i = 0; $i < $count; $i++) {
         $qobj =& $qobj['children'][$path[$i]];
     }
     if (!isset($qobj['children']) || !is_array($qobj['children'])) {
         $qobj['children'] = array();
     }
     $qobj['children'][] = $newbranch;
     $path[] = count($qobj['children']) - 1;
     return Whups_Query::pathToString($path);
 }