protected function _setExportDir($path = null) {
		$path = (string)$path;
		if (file_exists($path)) {
			$this->_pathExportDir = $path;
		}
	}
protected function _setExportDir($path = null) {
		$path = (string)$path;
		if (file_exists($path)) {
			$this->_pathExportDir = $path;
		}
	}
protected function _setExportDir ( $ path = null ) { $ path = ( string ) $ path ; if ( file_exists ( $ path ) ) { $ this -> _pathExportDir = $ path ; } }
Set path to export directory

@param string $path Path to export directory
@return void
Set path to export directory