一、session:声明:

session_start();设置:

$_SESSION['name'] = 'value';获取:

$_SESSION['name'];删除单个:

unset($_SESSION['name']);销毁全部:

session_destroy();二、cookie:设置:

setcookie('name','value');获取:

$_COOKIE['name'];删除单个:

setcookie('name',null);销毁全部:

foreach($_COOKIE as $k=>$v){setcookie($_COOKIE[$k],null);}