Show summary if no arguments are passed to API

scripts/pi-hole/php/data.php

@@ -4,9 +4,8 @@
 *  Network-wide ad blocking via your own hardware.
 *
 *  This file is copyright under the latest version of the EUPL.
-*  Please see LICENSE file for your rights under this license. */ ?>
+*  Please see LICENSE file for your rights under this license. */
 
-<?php
     $log = array();
     $setupVars = parse_ini_file("/etc/pihole/setupVars.conf");