<?php $ip = '123.45.67.89'; //IP of the visitor $data = json_decode(file_get_contents('http://api.rest7.com/v1/detect_tor.php?ip=' . $ip)); if (@$data->success !== 1) { die('Failed'); } if ($data->is_tor) { echo 'Visitor is using TOR'; } else { echo 'Visitor is not using TOR'; }