which::isValidValueForField

static function isValidValueForField($fieldName, $value, ErrorCollection $errorCollection = null)
{
	$result = new Result();

	/** @var DataManager $tableClassName */
	$tableClassName = static::getTableClassName();
	$tableClassName::getEntity()->getField($fieldName)->validateValue($value, null, array(), $result);

	if(!$result->isSuccess())
	{
		$errorCollection && $errorCollection->addFromResult($result);
		return false;
	}

	return true;
}