/**
*
* @return array dates - since, till
*/
public static function orderDates()
{
$since = Defaults::firstOfThisYear();
$till = Defaults::today();
if (!empty($_POST['since']) && $_POST['since'] <= Defaults::today()) {
$since = $_POST['since'];
}
if (!empty($_POST['till']) && $_POST['till'] <= Defaults::today()) {
$till = $_POST['till'];
}
if ($since > $till) {
$inter = $till;
$till = $since;
$since = $inter;
}
return array('since' => $since, 'till' => $till);
}
