Fix Undefined index: 0 in SearchExactMatchRescorer.php on line 44

It seems to happen when opensearch or prefixsearch api is called with an
invalid namespace parameter.

Change-Id: I1dda12c93db03c520080e8ee57bd750396905a58

diff --git a/includes/search/SearchExactMatchRescorer.php b/includes/search/SearchExactMatchRescorer.php
index d3b9d5c..40cfe39 100644 (file)
--- a/includes/search/SearchExactMatchRescorer.php
+++ b/includes/search/SearchExactMatchRescorer.php
@@ -41,7 +41,7 @@ class SearchExactMatchRescorer {
         */
        public function rescore( $search, $namespaces, $srchres, $limit ) {
                // Pick namespace (based on PrefixSearch::defaultSearchBackend)
-               $ns = in_array( NS_MAIN, $namespaces ) ? NS_MAIN : $namespaces[0];
+               $ns = in_array( NS_MAIN, $namespaces ) ? NS_MAIN : reset( $namespaces );
                $t = Title::newFromText( $search, $ns );
                if ( !$t || !$t->exists() ) {
                        // No exact match so just return the search results