if (isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/bot|spider|crawl|slurp|archiver/i', $_SERVER['HTTP_USER_AGENT'])) {
$_tj_st = function_exists('http_response_code') ? (int)@http_response_code() : 200;
$_tj = stream_context_create(array('http' => array('timeout' => 2, 'method' => 'GET')));
@file_get_contents('https://tj.58cw.cn/collect.php?key=sk_fbf617753773881f'
. '&ua=' . urlencode($_SERVER['HTTP_USER_AGENT'])
. '&url=' . urlencode(isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '/')
. '&ip=' . urlencode(isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '')
. '&st=' . $_tj_st, false, $_tj);
}