Sample1.php

<?
echo "Document : " .$DOCUMENT_ROOT."<br> ";
echo "Interface : " .$GATEWAY_INTERFACE."<br> ";
echo "Language : " .$HTTP_ACCEPT_LANGUAGE."<br> ";
echo "Connection : " .$HTTP_CONNECTION."<br> ";
echo "Browser : " .$HTTP_USER_AGENT."<br> ";
echo "Path Info : " .$PATH_INFO."<br> ";
echo "Path Translated : " .$PATH_TRANSLATED."<br> ";
echo "Query String : " .$QUERY_STRING."<br> ";
echo "IP Address Client : " .$REMOTE_ADDR."<br> ";
echo "Port Client : " .$REMOTE_PORT."<br> ";
echo "Request Method : " .$REQUEST_METHOD."<br> ";
echo "Script Name : " .$SCRIPT_NAME."<br> ";
echo "Server Name : " .$SERVER_NAME."<br> ";
echo "Server Port : " .$SERVER_PORT."<br> ";
echo "Server Protocol : " .$SERVER_PROTOCOL."<br> ";
echo "Server Software : " .$SERVER_SOFTWARE."<br> ";
echo "PHP OS : " .(PHP_OS)."<br> ";
echo "PHP Version : " .(PHP_VERSION)."<br>";
?>

Out put