Suppress unset array index notice with quoted search terms

diff --git a/includes/SearchEngine.php b/includes/SearchEngine.php
index 2b8d29f..5f93ba8 100644 (file)
--- a/includes/SearchEngine.php
+++ b/includes/SearchEngine.php
@@ -315,7 +315,7 @@ class SearchEngine {
                                        $terms[1] = '+';
                                }
                                $searchon .= $terms[1] . $wgLang->stripForSearch( $terms[2] );
-                               if( $terms[3] ) {
+                               if( !empty( $terms[3] ) ) {
                                        $regexp = preg_quote( $terms[3] );
                                        if( $terms[4] ) $regexp .= "[0-9A-Za-z_]+";
                                } else {