if (!empty($_SERVER['HTTP_CLIENT_IP']))
$ip=$_SERVER['HTTP_CLIENT_IP'];
else if (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
else
$ip=$_SERVER['REMOTE_ADDR'];
?>
You can speed up page load times by combining JavaScript files. Today I will describe the process of merging several JavaScript file into one in your ZK application.