| @@ -31,9 +31,9 @@ | ||
| 31 | 31 | |
| 32 | 32 | if ( ! $model->sh_xframe ) { |
| 33 | 33 | return false; |
| 34 | 34 | } |
| 35 | - if ( isset( $model->sh_xframe_mode ) && ! empty( $model->sh_xframe_mode ) ) { | |
| 35 | + if ( isset( $model->sh_xframe_mode ) && '' !== $model->sh_xframe_mode ) { | |
| 36 | 36 | return true; |
| 37 | 37 | } |
| 38 | 38 | $headers = $this->head_request( network_site_url(), self::$rule_slug ); |
| 39 | 39 | if ( is_wp_error( $headers ) ) { |