Follow up on r51177. Need use is_array().

diff --git a/includes/OutputPage.php b/includes/OutputPage.php
index 6f56a33..3d860f7 100644 (file)
--- a/includes/OutputPage.php
+++ b/includes/OutputPage.php
@@ -1500,7 +1500,8 @@ class OutputPage {
                // array_values: We needn't to merge variant's code name
                // into $this->mKeywords;
                // array_unique: We should insert a keyword just for once
-               $text = array_unique( array_values( $text ));
+               if( is_array( $text ))
+                       $text = array_unique( array_values( $text ));
                $this->addKeyword( $text );
                $count = 1;
                $links2d =& $parserOutput->getLinks();
@@ -1510,7 +1511,8 @@ class OutputPage {
                foreach ( $links2d as $dbkeys ) {
                        foreach( $dbkeys as $dbkey => $unused ) {
                                $dbkey = $wgContLang->autoConvertToAllVariants( $dbkey );
-                               $dbkey = array_unique( array_values( $dbkey ));
+                               if( is_array( $dbkey ))
+                                       $dbkey = array_unique( array_values( $dbkey ));
                                $this->addKeyword( $dbkey );
                                if ( ++$count > 10 ) {
                                        break 2;