private function _shiftTmp($path)
  {
    if ($path) {
      $names = explode(self::DELIMITER, $path);
      foreach ($names as $name) {
        if (!is_array($this->_tmp)) {
          $this->_tmp = array();
        }
        if (!isset($this->_tmp[$name])) {
          $this->_tmp[$name] = null;
        }

        $this->_tmp = &$this->_tmp[$name];
      }
    }
  }
private function _shiftTmp($path)
  {
    if ($path) {
      $names = explode(self::DELIMITER, $path);
      foreach ($names as $name) {
        if (!is_array($this->_tmp)) {
          $this->_tmp = array();
        }
        if (!isset($this->_tmp[$name])) {
          $this->_tmp[$name] = null;
        }

        $this->_tmp = &$this->_tmp[$name];
      }
    }
  }
private function _shiftTmp ( $ path ) { if ( $ path ) { $ names = explode ( self :: DELIMITER , $ path ) ; foreach ( $ names as $ name ) { if ( ! is_array ( $ this -> _tmp ) ) { $ this -> _tmp = array ( ) ; } if ( ! isset ( $ this -> _tmp [ $ name ] ) ) { $ this -> _tmp [ $ name ] = null ; } $ this -> _tmp = & $ this -> _tmp [ $ name ] ; } } }
It shifts.

@param string $path Path

@return null
It shifts .