Fix a bug of LanguageConverter::findVariantLink(). If the article has already existed...

diff --git a/languages/LanguageConverter.php b/languages/LanguageConverter.php
index 07f1619..4740e00 100644 (file)
--- a/languages/LanguageConverter.php
+++ b/languages/LanguageConverter.php
@@ -547,6 +547,11 @@ class LanguageConverter {
         * @public
         */
        function findVariantLink( &$link, &$nt, $ignoreOtherCond = false ) {
+               # If the article has already existed, there is no need to
+               # check it again, otherwise it may cause a fault.
+               if ( $nt->exists() )
+                       return;
+
                global $wgDisableLangConversion, $wgDisableTitleConversion, $wgRequest, $wgUser;
                $isredir = $wgRequest->getText( 'redirect', 'yes' );
                $action = $wgRequest->getText( 'action' );
@@ -560,7 +565,7 @@ class LanguageConverter {
                        || $action == 'submit' || $linkconvert == 'no' || $wgUser->getOption('noconvertlink') == 1 ) ) )
                        return;
 
-               if(is_object($nt))
+               if ( is_object( $nt ) )
                        $ns = $nt->getNamespace();
 
                $variants = $this->autoConvertToAllVariants($link);