Ticket #26876: 26876.diff

src/wp-includes/widgets.php

@@ -125 +125 @@
         // Private Functions. Don't worry about these.
 
         function _register() {
-                $settings = $this->get_settings();
+                $settings = false;
                 $empty = true;
 
+                // Prefetch settings only for widgets that are used (whether active or inactive)
+                if ( is_active_widget( false, false, $this->id_base, false ) ) {
+                        $settings = $this->get_settings();
+                }
+
                 if ( is_array($settings) ) {
                         foreach ( array_keys($settings) as $number ) {
                                 if ( is_numeric($number) ) {