Ticket #20876: 20876.patch

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

@@ -31 +31 @@
                 require( ABSPATH . WPINC . '/class-wp-customize-section.php' );
                 require( ABSPATH . WPINC . '/class-wp-customize-control.php' );
 
+                add_filter( 'wp_die_handler', array( $this, 'wp_die_handler' ) );
+
                 add_action( 'setup_theme',  array( $this, 'setup_theme' ) );
                 add_action( 'wp_loaded',    array( $this, 'wp_loaded' ) );
 
@@ -53 +55 @@
         }
 
         /**
+         * Return the AJAX wp_die() handler if it's a customized request.
+         *
+         * @since 3.4.0
+         */
+        public function wp_die_handler() {
+                if ( isset( $_POST['customized'] ) )
+                        return '_ajax_wp_die_handler';
+
+                return '_default_wp_die_handler';
+        }
+
+        /**
          * Update theme modifications for the current theme.
          * Note: Candidate core function.
          * http://core.trac.wordpress.org/ticket/20091
@@ -967 +981 @@
                 return '#' . $unhashed;
 
         return $color;
-}
- No newline at end of file
+}