specials: Clean up redirect special pages ($subpage can be null)

[lhc/web/wiklou.git] / includes / specials / SpecialDiff.php

diff --git a/includes/specials/SpecialDiff.php b/includes/specials/SpecialDiff.php
index 799e526..9f91a10 100644 (file)
--- a/includes/specials/SpecialDiff.php
+++ b/includes/specials/SpecialDiff.php
@@ -37,12 +37,16 @@
  * @since 1.23
  */
 class SpecialDiff extends RedirectSpecialPage {
-       function __construct() {
+       public function __construct() {
                parent::__construct( 'Diff' );
                $this->mAllowedRedirectParams = array();
        }
 
-       function getRedirect( $subpage ) {
+       /**
+        * @param string|null $subpage
+        * @return Title|bool
+        */
+       public function getRedirect( $subpage ) {
                $parts = explode( '/', $subpage );
 
                // Try to parse the values given, generating somewhat pretty URLs if possible