Ticket #18197: 18197-doing-it-wrong.diff

wp-includes/class-wp-admin-bar.php

@@ -70 +70 @@
                 if ( func_num_args() >= 3 && is_string( func_get_arg(0) ) )
                         $args = array_merge( array( 'parent' => func_get_arg(0) ), func_get_arg(2) );
 
-                // Ensure we have a valid ID and title.
-                if ( empty( $args['title'] ) || empty( $args['id'] ) )
+                // Ensure we have a valid title.
+                if ( empty( $args['title'] ) )
                         return false;
 
+                if ( empty( $args['id'] ) ) {
+                        _doing_it_wrong( __FUNCTION__, __( 'The menu ID should not be empty.' ), '3.3' );
+                        $args['id'] = esc_attr( sanitize_title( trim( $args['title'] ) ) );
+                }
+
                 $defaults = array(
                         'id'       => false,
                         'title'    => false,