Changeset 46483

Timestamp:

10/14/2019 04:23:13 PM (6 years ago)

Author:

whyisjake

Message:

REST API: Ensure that we don't generate warnings from sending extra headers after headers have been sent.

Fixes issues stemming from [46478].

File:

• trunk/src/wp-includes/rest-api.php (modified) (1 diff)

trunk/src/wp-includes/rest-api.php

@@ -590 +590 @@
         header( 'Access-Control-Allow-Credentials: true' );
         header( 'Vary: Origin' );
-    } else if ( 'GET' === $_SERVER['REQUEST_METHOD'] && ! is_user_logged_in() ) {
+    } elseif ( ! headers_sent() && 'GET' === $_SERVER['REQUEST_METHOD'] && ! is_user_logged_in() ) {
         header( 'Vary: Origin' );
     }