";
echo $_SERVER['SERVER_NAME'];
echo "
";
echo $_SERVER['HTTP_HOST'];
echo "
";
echo isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '' ;
echo "
";
echo $_SERVER['HTTP_USER_AGENT'];
echo "
";
echo $_SERVER['SCRIPT_NAME'];
echo 'PHP 基础教程 - 简单教程(www.twle.cn)
';