Mark used $wgUser as global.

$wgLang of 2917 already marked as global in 2889. Ditto for $wgDeleteRevisionsLimit of 2927.
$wgContLangmarked as global twice in getAutosummary

Are you able to catch the global declared twice left?

diff --git a/includes/Article.php b/includes/Article.php
index fd668f2..e712fa8 100644 (file)
--- a/includes/Article.php
+++ b/includes/Article.php
@@ -2913,8 +2913,6 @@ class Article {
 
                // If the page has a history, insert a warning
                if ( $hasHistory && !$confirm ) {
-                       global $wgLang;
-
                        $skin = $wgUser->getSkin();
                        $revisions = $this->estimateRevisionCount();
                        //FIXME: lego
@@ -2925,8 +2923,6 @@ class Article {
                        );
 
                        if ( $bigHistory ) {
-                               global $wgDeleteRevisionsLimit;
-
                                $wgOut->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
                                        array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
                        }
@@ -3123,7 +3119,7 @@ class Article {
         * Perform a deletion and output success or failure messages
         */
        public function doDelete( $reason, $suppress = false ) {
-               global $wgOut;
+               global $wgOut, $wgUser;
 
                $id = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
 
@@ -4350,6 +4346,8 @@ class Article {
        * @return string An appropriate autosummary, or an empty string.
        */
        public static function getAutosummary( $oldtext, $newtext, $flags ) {
+               global $wgContLang;
+               
                # Decide what kind of autosummary is needed.
 
                # Redirect autosummaries
@@ -4363,7 +4361,6 @@ class Article {
                # New page autosummaries
                if ( $flags & EDIT_NEW && strlen( $newtext ) ) {
                        # If they're making a new article, give its text, truncated, in the summary.
-                       global $wgContLang;
 
                        $truncatedtext = $wgContLang->truncate(
                                str_replace( "\n", ' ', $newtext ),
@@ -4377,7 +4374,6 @@ class Article {
                        return wfMsgForContent( 'autosumm-blank' );
                } elseif ( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500 ) {
                        # Removing more than 90% of the article
-                       global $wgContLang;
 
                        $truncatedtext = $wgContLang->truncate(
                                $newtext,