Init $parserCache only as needed

diff --git a/includes/Article.php b/includes/Article.php
index bc7cd96..07fb659 100644 (file)
--- a/includes/Article.php
+++ b/includes/Article.php
@@ -678,9 +678,6 @@ class Article {
 
                wfProfileIn( __METHOD__ );
 
-               $parserCache = ParserCache::singleton();
-               $ns = $this->mTitle->getNamespace(); # shortcut
-
                # Get variables from query string
                $oldid = $this->getOldID();
 
@@ -688,6 +685,7 @@ class Article {
                if( $oldid === 0 && $this->checkTouched() ) {
                        global $wgUseETag;
                        if( $wgUseETag ) {
+                               $parserCache = ParserCache::singleton();
                                $wgOut->setETag( $parserCache->getETag($this,$wgUser) );
                        }
                        if( $wgOut->checkLastModified( $this->getTouched() ) ){
@@ -702,6 +700,7 @@ class Article {
                        }
                }
 
+               $ns = $this->mTitle->getNamespace(); # shortcut
                $sk = $wgUser->getSkin();
 
                # getOldID may want us to redirect somewhere else