php.net setcookie code example
Example 1: setcookie php
setcookie($cookiename, $cookievalue, time() + (86400 * 30), "/"); // 86400 = 1 day
Example 2: php set cookie
<?php
$name = 'COOKIE_NAME';
$value = 'VALUE';
$expireTime = strtotime('+1 years');
$path = '/';
setcookie($name,$value,$expireTime,$path);