protected function validateValue($value)
{
if ($this->compareValue === null) {
throw new InvalidConfigException('CompareValidator::compareValue must be set.');
}
if (!$this->compareValues($this->operator, $this->type, $value, $this->compareValue)) {
return [$this->message, ['compareAttribute' => $this->compareValue, 'compareValue' => $this->compareValue, 'compareValueOrAttribute' => $this->compareValue]];
} else {
return null;
}
}