public function parentKeysToErrorName($parent_keys) {
		$result = [];
		if (!is_array($parent_keys)) {
			$parent_keys = [$parent_keys];
		}
		foreach ($parent_keys as $v) {
			if (empty($result)) {
				$result[] = $v;
			} else {
				$result[] = '[' . $v . ']';
			}
		}
		return implode('', $result);
	}
public function parentKeysToErrorName($parent_keys) {
		$result = [];
		if (!is_array($parent_keys)) {
			$parent_keys = [$parent_keys];
		}
		foreach ($parent_keys as $v) {
			if (empty($result)) {
				$result[] = $v;
			} else {
				$result[] = '[' . $v . ']';
			}
		}
		return implode('', $result);
	}
public function parentKeysToErrorName ( $ parent_keys ) { $ result = [ ] ; if ( ! is_array ( $ parent_keys ) ) { $ parent_keys = [ $ parent_keys ] ; } foreach ( $ parent_keys as $ v ) { if ( empty ( $ result ) ) { $ result [ ] = $ v ; } else { $ result [ ] = '[' . $ v . ']' ; } } return implode ( '' , $ result ) ; }
Convert parent keys to error name

@param mixed $parent_keys
@return string
Convert parent keys to error name