/**
* Validate value
* @return boolean
*/
public function validate()
{
$this->setFields();
if (!isset($_POST[$this->getFieldDayName()]) || !isset($_POST[$this->getFieldDaytimeName()])) {
return;
}
$date = $_POST[$this->getFieldDayName()];
$time = $_POST[$this->getFieldDaytimeName()];
$this->FieldDay->validate();
$this->FieldDaytime->validate();
$_POST[$this->name] = strtotime($date . ' ' . $time);
}