Ticket #21472: 21472.2.diff

src/wp-includes/functions.php

@@ -981 +981 @@
  * Set HTTP status header.
  *
  * @since 2.0.0
+ * @since 4.4.0 Added the `$description` parameter.
  *
  * @see get_status_header_desc()
  *
- * @param int $code HTTP status code.
+ * @param int    $code        HTTP status code.
+ * @param string $description Optional. A custom description for the HTTP status.
  */
-function status_header( $code ) {
-        $description = get_status_header_desc( $code );
+function status_header( $code, $description = '' ) {
+        if ( ! $description ) {
+                $description = get_status_header_desc( $code );
+        }
 
-        if ( empty( $description ) )
+        if ( empty( $description ) ) {
                 return;
+        }
 
         $protocol = wp_get_server_protocol();
         $status_header = "$protocol $code $description";