How to Get and Set Cookie in PHP

<?php
   $cookie_name = "user"; // name of cookie
   $cookie_value = "John Doe"; // set value of cookie

   setcookie($cookie_name, $cookie_value, time() + (86400 * 30), "/"); // 86400 = 1 day


?>
<html>
   <body>

      <?php
         if(!isset($_COOKIE[$cookie_name])) {
            echo "Cookie named '" . $cookie_name . "' is not set!";
            } else {
            echo "Cookie '" . $cookie_name . "' is set!<br>";
            echo "Value is: " . $_COOKIE[$cookie_name];
         }
      ?>

   </body>
</html>