BaseForm::clearErrors

public function clearErrors($attribute = null)
{
	if ($attribute === null)
	{
		$this->errors = [];
	}
	else
	{
		foreach ($this->errors as $index => $item)
		{
			if ($item->getCode() === $attribute)
			{
				unset($this->errors[$index]);
			}
		}
	}
}