Ticket #36166: 36166_1.patch

wp-includes/functions.php

@@ -2815 +2815 @@
  * @param string $message Optional. Response to print. Default empty.
  */
 function _ajax_wp_die_handler( $message = '' ) {
+        if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) {
+                $errors = $message->get_error_messages();
+                if ( 0 < count( $errors ) ) {
+                        $message = join( ', ', $errors );
+                }
+        }
         if ( is_scalar( $message ) )
                 die( (string) $message );
         die( '0' );