CsvFileImport::addMultifieldValue

protected function addMultifieldValue($type, $valueType, $value, array &$dstData)
{
	if(!(is_string($value) && $value !== ''))
	{
		return;
	}

	$key = "{$type}_{$valueType}";
	if(isset($dstData[$key]) && $dstData[$key] !== '')
	{
		$dstData[$key] .= ',';
		$dstData[$key] .= $value;
	}
	else
	{
		$dstData[$key] = $value;
	}
}