Changeset 41204 for trunk/src/wp-includes/class-wp-customize-nav-menus.php

Timestamp:

08/02/2017 05:10:05 AM (7 years ago)

Author:

westonruter

Message:

Customize: For selective refresh of nav menus, prevent preg_replace() from dropping backslashes in JSON replaced into the data-customize-partial-placement-context HTML attribute.

Props dlh, westonruter.
Fixes #41488.

File:

• trunk/src/wp-includes/class-wp-customize-nav-menus.php (modified) (2 diffs)

trunk/src/wp-includes/class-wp-customize-nav-menus.php

@@ -1266 +1266 @@
      * @param string $nav_menu_content The HTML content for the navigation menu.
      * @param object $args             An object containing wp_nav_menu() arguments.
-     * @return null
+     * @return string Nav menu HTML with selective refresh attributes added if partial can be refreshed.
      */
     public function filter_wp_nav_menu( $nav_menu_content, $args ) {
@@ -1273 +1273 @@
             $attributes .= ' data-customize-partial-type="nav_menu_instance"';
             $attributes .= sprintf( ' data-customize-partial-placement-context="%s"', esc_attr( wp_json_encode( $args->customize_preview_nav_menus_args ) ) );
-            $nav_menu_content = preg_replace( '#^(<\w+)#', '$1 ' . $attributes, $nav_menu_content, 1 );
+            $nav_menu_content = preg_replace( '#^(<\w+)#', '$1 ' . str_replace( '\\', '\\\\', $attributes ), $nav_menu_content, 1 );
         }
         return $nav_menu_content;