/**
* @param mixed $data
* @param string $field
* @param array $options
* @return string
* @throws \ValidationException
*/
public static function validate_datetime($data, $field, $options = [])
{
$options = array_merge(['required' => true], $options);
$required = $options['required'];
if (isset($data[$field]) && is_string($data[$field])) {
$date = $data[$field];
$dateTime = new \SS_Datetime();
$dateTime->setValue($date);
if (!$dateTime->getValue()) {
throw new \ValidationException("No valid datetime given.");
}
return $dateTime->Format('Y-m-d H:i:s');
} else {
if ($required) {
throw new \ValidationException("No {$field} given, but {$field} is required");
}
}
}
