php 删除set unset删除cookie php

Posted 2021-05-05

//Update cookie 
$cookie_name = 'pontikis_net_php_cookie';
$cookie_value = 'test_cookie_updated_with_php';
setcookie($cookie_name, $cookie_value, time() + (86400 * 30), '/'); // 86400 = 1 day

//Delete cookie 
$cookie_name = 'pontikis_net_php_cookie';
unset($_COOKIE[$cookie_name]);
// empty value and expiration one hour before
$res = setcookie($cookie_name, '', time() - 3600);

//read cookies
$cookie_name = 'pontikis_net_php_cookie';
if(!isset($_COOKIE[$cookie_name])) {
  print 'Cookie with name "' . $cookie_name . '" does not exist...';
} else {
  print 'Cookie with name "' . $cookie_name . '" value is: ' . $_COOKIE[$cookie_name];
}

//create cookie
$cookie_name = 'pontikis_net_php_cookie';
$cookie_value = 'test_cookie_set_with_php';
setcookie($cookie_name, $cookie_value, time() + (86400 * 30), '/'); // 86400 = 1 day