Return null from overwritten FormlessAction::onView

[lhc/web/wiklou.git] / includes / actions / HistoryAction.php

diff --git a/includes/actions/HistoryAction.php b/includes/actions/HistoryAction.php
index 538b0a1..b1d5a50 100644 (file)
--- a/includes/actions/HistoryAction.php
+++ b/includes/actions/HistoryAction.php
@@ -142,6 +142,7 @@ class HistoryAction extends FormlessAction {
 
        /**
         * Print the history page for an article.
+        * @return string|null
         */
        function onView() {
                $out = $this->getOutput();
@@ -151,7 +152,7 @@ class HistoryAction extends FormlessAction {
                 * Allow client caching.
                 */
                if ( $out->checkLastModified( $this->page->getTouched() ) ) {
-                       return; // Client cache fresh and headers sent, nothing more to do.
+                       return null; // Client cache fresh and headers sent, nothing more to do.
                }
 
                $this->preCacheMessages();
@@ -185,7 +186,7 @@ class HistoryAction extends FormlessAction {
                $feedType = $request->getRawVal( 'feed' );
                if ( $feedType !== null ) {
                        $this->feed( $feedType );
-                       return;
+                       return null;
                }
 
                $this->addHelpLink(
@@ -216,7 +217,7 @@ class HistoryAction extends FormlessAction {
                                ]
                        );
 
-                       return;
+                       return null;
                }
 
                $ts = $this->getTimestampFromRequest( $request );
@@ -300,6 +301,8 @@ class HistoryAction extends FormlessAction {
                        $pager->getNavigationBar()
                );
                $out->preventClickjacking( $pager->getPreventClickjacking() );
+
+               return null;
        }
 
        /**