<?php

$alertDaysInAdvanceID = $_POST['alertDaysInAdvanceID'];
$daysInAdvanceNumber = $_POST['daysInAdvanceNumber'];
if ($alertDaysInAdvanceID != '') {
    $instance = new AlertDaysInAdvance(new NamedArguments(array('primaryKey' => $alertDaysInAdvanceID)));
} else {
    $instance = new AlertDaysInAdvance();
}
$instance->daysInAdvanceNumber = $daysInAdvanceNumber;
try {
    $instance->save();
} catch (Exception $e) {
    echo $e->getMessage();
}