protected function _isHashPath($fieldName = null) {
		if (empty($fieldName)) {
			return false;
		}

		$pos = mb_stripos($fieldName, '.{n}.');
		if ($pos !== false) {
			return true;
		}

		return false;
	}
protected function _isHashPath($fieldName = null) {
		if (empty($fieldName)) {
			return false;
		}

		$pos = mb_stripos($fieldName, '.{n}.');
		if ($pos !== false) {
			return true;
		}

		return false;
	}
protected function _isHashPath ( $ fieldName = null ) { if ( empty ( $ fieldName ) ) { return false ; } $ pos = mb_stripos ( $ fieldName , '.{n}.' ) ; if ( $ pos !== false ) { return true ; } return false ; }
Check field name is Hash path

@param string $fieldName Field name for checking.
@return bool Success.
Check field name is Hash path