MDL-49360 core_lib: add new method get_local_referer()

This commit also replace all usages of $_SERVER['HTTP_REFERER'] and get_referer().
2015-07-27 11:59:28 +08:00
parent cd02b264bd
commit ac62233074
20 changed files with 76 additions and 52 deletions
@@ -78,7 +78,7 @@ if ($courseid) {
        }

        // Return to previous page
-        $referer = clean_param($_SERVER['HTTP_REFERER'], PARAM_LOCALURL);
+        $referer = get_local_referer(false);
        if (!empty($referer)) {
            redirect($referer);
        } else {