http://php.flashwebhost.com/austin/day10.php
Code:
<?php
  if(isset($_COOKIE['name']))  {
   echo 'Hello '.$_COOKIE['name'].' welcome to my world';
     exit; }
   if (isset($_POST['name'])) {
   setcookie('name',$_POST['name'],time()+(60*3));
   echo 'your cookie is set';
   }
   else {
   echo 'Whats your name?
   <form method="POST" action="">
   <input type="text" name="name">
   <button type="submit">GO</button>
   </form> ';
}