test setup config options domains

zimbraSingle.inc

@@ -356,10 +356,7 @@ function zimbraSingleClientArea($userData)
 function zimbraSingleConfigOptions() {
     $accessData = zimbraSingleGetAccess();
 
-    ob_start();
-    phpinfo();
-    file_put_contents("debug_phpinfo.html", ob_end_flush());
-
+    file_put_contents("debug_phpinfo.html", phpinfo());
 
     $api = new Zm_Auth($accessData['zimbraServer'], $accessData['adminUser'], $accessData['adminPass'], "admin");
     $login = $api->login();