Widgets: Fix warning when widgets block editor is disabled (#30318)

If a core widget is unregistered then it will not be in $wp_widgets_factory->widgets which causes a PHP warning.
WordPress · Mar 29, 2021 · 03627cb · 03627cb
1 parent e902186
commit 03627cb
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/widgets.php b/lib/widgets.php
@@ -293,7 +293,6 @@ function gutenberg_set_show_instance_in_rest_on_core_widgets() {
 	global $wp_widget_factory;
 
 	$core_widgets = array(
-		'WP_Widget_Block',
 		'WP_Widget_Pages',
 		'WP_Widget_Calendar',
 		'WP_Widget_Archives',
@@ -314,7 +313,9 @@ function gutenberg_set_show_instance_in_rest_on_core_widgets() {
 	);
 
 	foreach ( $core_widgets as $widget ) {
-		$wp_widget_factory->widgets[ $widget ]->show_instance_in_rest = true;
+		if ( isset( $wp_widget_factory->widgets[ $widget ] ) ) {
+			$wp_widget_factory->widgets[ $widget ]->show_instance_in_rest = true;
+		}
 	}
 }
 add_action( 'widgets_init', 'gutenberg_set_show_instance_in_rest_on_core_widgets' );