Ticket #29098: 29098.diff

src/wp-admin/js/customize-controls.js

@@ -1017 +1017 @@
                                                 }
 
                                                 // Check for cheaters.
-                                                if ( '-1' === response ) {
+                                                if ( '-1' === response || 'cheatin' === response.data ) {
                                                         self.cheatin();
                                                         return;
                                                 }
 
-                                                api.trigger( 'saved' );
+                                                api.trigger( 'saved', response.data );
                                         } );
                                 };
 

src/wp-includes/class-wp-customize-manager.php

@@ -596 +596 @@
          * @since 3.4.0
          */
         public function save() {
-                if ( ! $this->is_preview() )
-                        die;
+                if ( ! $this->is_preview() ) {
+                        wp_send_json_error( 'not_preview' );
+                }
 
-                check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce' );
+                $action = 'save-customize_' . $this->get_stylesheet();
+                if ( ! check_ajax_referer( $action, 'nonce', false ) ) {
+                        wp_send_json_error( 'cheatin' );
+                }
 
                 // Do we have to switch themes?
                 if ( ! $this->is_theme_active() ) {
@@ -634 +638 @@
                  */
                 do_action( 'customize_save_after', $this );
 
-                die;
+                /**
+                 * Filter response data for customize_save Ajax request.
+                 *
+                 * @since 4.1.0
+                 *
+                 * @param array $data
+                 * @param WP_Customize_Manager $this WP_Customize_Manager instance.
+                 */
+                $response = apply_filters( 'wp_customize_save_response', array(), $this );
+                wp_send_json_success( $response );
         }
 
         /**