Payment::normalizeValue

protected function normalizeValue($name, $value)
{
	if ($this->isPriceField($name))
	{
		$value = PriceMaths::roundPrecision($value);
	}
	elseif ($name === 'REASON_MARKED')
	{
		$value = (string)$value;
		if (mb_strlen($value) > 255)
		{
			$value = mb_substr($value, 0, 255);
		}
	}

	return parent::normalizeValue($name, $value);
}