UserTypePropertyDiskFile::formatValueMultiple

static function formatValueMultiple(FieldType $fieldType, $value, $format = 'printable')
	{
		if (!is_array($value) || is_array($value) && CBPHelper::isAssociativeArray($value))
			$value = array($value);

		foreach ($value as $k => $v)
		{
			$value[$k] = static::formatValuePrintable($fieldType, $v);
		}

		return implode(static::getFormatSeparator($format), $value);
	}