/**
* 2016-07-10
* @used-by \Df\Payment\Method::addTransaction()
* @used-by \Df\Payment\R\Response::idL2G()
* @param string[] $suffixes
* @return string
*/
public static function transactionIdL2G(...$suffixes)
{
return df_cc('-', self::codeS(), $suffixes);
}
/**
* 2016-10-26
* @param object|string $c
* @param string|string[] $suffix
* @param string|null $def [optional]
* @param bool $throw [optional]
* @return string|null
*/
function df_con_child($c, $suffix, $def = null, $throw = true)
{
return df_con_generic(function ($c, $suffix) {
return df_cc(df_cld($c), $c, $suffix);
}, $c, $suffix, $def, $throw);
}