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
* @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
*/