public function commit()
  {
    if (!is_null($this->_changes)) {
      $this->_commit($this->_changes);

      $this->_changes = null;
    }
  }
public function commit()
  {
    if (!is_null($this->_changes)) {
      $this->_commit($this->_changes);

      $this->_changes = null;
    }
  }
public function commit ( ) { if ( ! is_null ( $ this -> _changes ) ) { $ this -> _commit ( $ this -> _changes ) ; $ this -> _changes = null ; } }
Commit changes to real FS

@return null
Commit changes to real FS