MediaWikiのPHP 7.0以降対応用のtemporary patch

EditPage.php.diff

--- EditPage.php.ORG	2017-07-26 23:37:33.446933850 +0900
+++ EditPage.php	2017-07-27 07:15:49.483444502 +0900
@@ -2594,7 +2594,9 @@
 			$previewOutput = $this->getPreviewText();
 		}
 
-		Hooks::run( 'EditPage::showEditForm:initial', [ &$this, &$wgOut ] );
+		// Avoid PHP 7.1 warning of passing $this by reference
+		$editPage = $this;
+		Hooks::run( 'EditPage::showEditForm:initial', [ &$editPage, &$wgOut ] );
 
 		$this->setHeaders();
 
@@ -2660,7 +2662,8 @@
 			. Xml::closeElement( 'div' )
 		);
 
-		Hooks::run( 'EditPage::showEditForm:fields', [ &$this, &$wgOut ] );
+		$editPage = $this;
+		Hooks::run( 'EditPage::showEditForm:fields', [ &$editPage, &$wgOut ] );
 
 		// Put these up at the top to ensure they aren't lost on early form submission
 		$this->showFormBeforeText();