Check host key in parsed referrer URL (#1202)

qtranslate · Aug 8, 2022 · ca1e260 · ca1e260
1 parent cf1af2a
commit ca1e260
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/qtranslate_core.php b/qtranslate_core.php
@@ -180,7 +180,7 @@ function qtranxf_detect_language( &$url_info ) {
 
         if ( $parse_referrer_language ) {
             $ref_info = qtranxf_parseURL( $http_referer );
-            if ( ! qtranxf_external_host( $ref_info['host'] ) ) {
+            if ( isset( $ref_info['host'] ) && ! qtranxf_external_host( $ref_info['host'] ) ) {
                 // determine $ref_info['path-base']
                 qtranxf_complete_url_info( $ref_info );
                 if ( isset( $ref_info['path-base'] ) ) {