PHP Session 封裝類

class Session
{
function Session()
{
session_start();
}

function set($name, $value)
{
$_SESSION[$name] = $value;
}

function get($name)
{
if(isset($_SESSION[$name]))
return $_SESSION[$name];
else
return false;
}

function del($name)
{
unset($_SESSION[$name]);
}

function destroy()
{
$_SESSION = array();
session_destroy();
}

function save_prefs()
{
global $db, $auth;
$prefs = serialize($this->prefs);
$db->query("UPDATE condra_users SET prefs = "$prefs" WHERE id = "{$auth->id}"");
}
}

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