PHP Create สร้าง Sub Domain แบบ Dynamic บน Direct Admin และ Cpanel

<?php
   echo "Welcome to My Sub";
?>

<?php
   echo "Welcome to My Sub = ".$_SERVER['SERVER_NAME'];
?>

<?php
   if($_SERVER['SERVER_NAME'] == "win1.thaicreate.com")
   {
	echo "Welcome to Win1";
   }
   elseif($_SERVER['SERVER_NAME'] == "win2.thaicreate.com")
   {
	echo "Welcome to Win2";
   }
   elseif($_SERVER['SERVER_NAME'] == "win3.thaicreate.com")
   {
	echo "Welcome to Win3";
   }
   else
   {
	echo "NOT FOUND SUB DOMAIN";
   }
?>

<?php
echo "User = ".$_GET["user"];
?>