Tweak comparison in r69171

diff --git a/includes/LinkBatch.php b/includes/LinkBatch.php
index 75ec2df..d493431 100644 (file)
--- a/includes/LinkBatch.php
+++ b/includes/LinkBatch.php
@@ -148,7 +148,10 @@ class LinkBatch {
                $sql = "SELECT page_id, page_namespace, page_title, page_len, page_is_redirect, page_latest FROM $page WHERE $set";
 
                // Do query
-               $caller = $this->caller ? __METHOD__ . " (for {$this->caller})" : __METHOD__;
+               $caller = __METHOD__;
+               if ( strval( $this->caller ) !== '' ) {
+                       $caller .= " (for {$this->caller})";
+               }
                $res = $dbr->query( $sql, $caller );
                wfProfileOut( __METHOD__ );
                return $res;