/**
* @inheritdoc
*/
protected function validateValue($value)
{
$in = false;
if ($this->allowArray && ($value instanceof \Traversable || is_array($value)) && ArrayHelper::isSubset($value, $this->range, $this->strict)) {
$in = true;
}
if (!$in && ArrayHelper::isIn($value, $this->range, $this->strict)) {
$in = true;
}
return $this->not !== $in ? null : [$this->message, []];
}
