Change Title::isExternal to use strict comparsion

Change-Id: Ib4e646f98dc6d17a8cb1ca837dcdc9d48f85e2a7

diff --git a/includes/Title.php b/includes/Title.php
index 0b4b99c..64cea91 100644 (file)
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -59,7 +59,7 @@ class Title {
        var $mDbkeyform = '';             // /< Main part with underscores
        var $mUserCaseDBKey;              // /< DB key with the initial letter in the case specified by the user
        var $mNamespace = NS_MAIN;        // /< Namespace index, i.e. one of the NS_xxxx constants
-       var $mInterwiki = '';             // /< Interwiki prefix (or null string)
+       var $mInterwiki = '';             // /< Interwiki prefix
        var $mFragment;                   // /< Title fragment (i.e. the bit after the #)
        var $mArticleID = -1;             // /< Article ID, fetched from the link cache on demand
        var $mLatestID = false;           // /< ID of most recent revision
@@ -700,11 +700,11 @@ class Title {
         * @return Bool
         */
        public function isExternal() {
-               return ( $this->mInterwiki != '' );
+               return $this->mInterwiki !== '';
        }
 
        /**
-        * Get the interwiki prefix (or null string)
+        * Get the interwiki prefix
         *
         * @return String Interwiki prefix
         */