Changeset 27514 for trunk

Timestamp:

03/12/2014 12:53:49 PM (11 years ago)

Author:

SergeyBiryukov

Message:

Avoid a notice in trackback_rdf() if user agent is not set.

props joostdevalk.
fixes #27374.

File:

• trunk/src/wp-includes/comment-template.php (modified) (1 diff)

trunk/src/wp-includes/comment-template.php

@@ -942 +942 @@
  */
 function trackback_rdf( $deprecated = '' ) {
-    if ( !empty( $deprecated ) )
+    if ( ! empty( $deprecated ) ) {
         _deprecated_argument( __FUNCTION__, '2.5' );
-
-    if ( false !== stripos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') )
+    }
+
+    if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && false !== stripos( $_SERVER['HTTP_USER_AGENT'], 'W3C_Validator' ) ) {
         return;
+    }
 
     echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"