以下代码将增加/减少 1 周:(是的,我的应用程序需要将值存储在$_SESSION
.
if (isset($_POST['decrease'])) {
$week_value = ($_SESSION['sess_week'] = $_SESSION['sess_week']-1);
}
else if (isset($_POST['increase'])) {
$week_value = ($_SESSION['sess_week'] = $_SESSION['sess_week']+1);
}
else {
$week_value = ($_SESSION['sess_week'] = date('W'));
}
echo $week_value;
但是我希望它在第 52 周(新年)重置。我怎样才能做到这一点?我是编程新手。