Work around &$this usage in SkinTemplate

Using &$this triggers warnings with PHP 7.1.

Bug: T153505
Change-Id: I7798b08a356c64796c9aea1273eef88f8678f8d4

diff --git a/includes/skins/SkinTemplate.php b/includes/skins/SkinTemplate.php
index 69f2e49..575a9ac 100644 (file)
--- a/includes/skins/SkinTemplate.php
+++ b/includes/skins/SkinTemplate.php
@@ -489,8 +489,10 @@ class SkinTemplate extends Skin {
                $tpl->set( 'debughtml', $this->generateDebugHTML() );
                $tpl->set( 'reporttime', wfReportTime() );
 
+               // Avoid PHP 7.1 warning of passing $this by reference
+               $skinTemplate = $this;
                // original version by hansm
-               if ( !Hooks::run( 'SkinTemplateOutputPageBeforeExec', [ &$this, &$tpl ] ) ) {
+               if ( !Hooks::run( 'SkinTemplateOutputPageBeforeExec', [ &$skinTemplate, &$tpl ] ) ) {
                        wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
                }
 
@@ -768,8 +770,10 @@ class SkinTemplate extends Skin {
                                MWNamespace::getSubject( $title->getNamespace() ) );
                }
 
+               // Avoid PHP 7.1 warning of passing $this by reference
+               $skinTemplate = $this;
                $result = [];
-               if ( !Hooks::run( 'SkinTemplateTabAction', [ &$this,
+               if ( !Hooks::run( 'SkinTemplateTabAction', [ &$skinTemplate,
                                $title, $message, $selected, $checkEdit,
                                &$classes, &$query, &$text, &$result ] ) ) {
                        return $result;
@@ -870,8 +874,10 @@ class SkinTemplate extends Skin {
 
                $userCanRead = $title->quickUserCan( 'read', $user );
 
+               // Avoid PHP 7.1 warning of passing $this by reference
+               $skinTemplate = $this;
                $preventActiveTabs = false;
-               Hooks::run( 'SkinTemplatePreventOtherActiveTabs', [ &$this, &$preventActiveTabs ] );
+               Hooks::run( 'SkinTemplatePreventOtherActiveTabs', [ &$skinTemplate, &$preventActiveTabs ] );
 
                // Checks if page is some kind of content
                if ( $title->canExist() ) {
@@ -1074,7 +1080,9 @@ class SkinTemplate extends Skin {
                                }
                        }
 
-                       Hooks::run( 'SkinTemplateNavigation', [ &$this, &$content_navigation ] );
+                       // Avoid PHP 7.1 warning of passing $this by reference
+                       $skinTemplate = $this;
+                       Hooks::run( 'SkinTemplateNavigation', [ &$skinTemplate, &$content_navigation ] );
 
                        if ( $userCanRead && !$wgDisableLangConversion ) {
                                $pageLang = $title->getPageLanguage();
@@ -1116,12 +1124,16 @@ class SkinTemplate extends Skin {
                                'context' => 'subject'
                        ];
 
+                       // Avoid PHP 7.1 warning of passing $this by reference
+                       $skinTemplate = $this;
                        Hooks::run( 'SkinTemplateNavigation::SpecialPage',
-                               [ &$this, &$content_navigation ] );
+                               [ &$skinTemplate, &$content_navigation ] );
                }
 
+               // Avoid PHP 7.1 warning of passing $this by reference
+               $skinTemplate = $this;
                // Equiv to SkinTemplateContentActions
-               Hooks::run( 'SkinTemplateNavigation::Universal', [ &$this, &$content_navigation ] );
+               Hooks::run( 'SkinTemplateNavigation::Universal', [ &$skinTemplate, &$content_navigation ] );
 
                // Setup xml ids and tooltip info
                foreach ( $content_navigation as $section => &$links ) {
@@ -1254,9 +1266,11 @@ class SkinTemplate extends Skin {
                                ];
                        }
 
+                       // Avoid PHP 7.1 warning of passing $this by reference
+                       $skinTemplate = $this;
                        // Use the copy of revision ID in case this undocumented, shady hook tries to mess with internals
                        Hooks::run( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink',
-                               [ &$this, &$nav_urls, &$revid, &$revid ] );
+                               [ &$skinTemplate, &$nav_urls, &$revid, &$revid ] );
                }
 
                if ( $out->isArticleRelated() ) {