/**
* 2016-07-10
* @used-by \Df\Payment\ConfigProvider::getConfig()
* @see \Dfe\Stripe\Method => «dfe_stripe»
* @see \Dfe\CheckoutCom\Method => «dfe_checkout_com»
* @return string
*/
public static function codeS()
{
return dfcf(function ($class) {
return df_const($class, 'CODE', function () use($class) {
return df_module_name_lc($class);
});
}, [static::class]);
}
/**
* 2015-12-30
* @used-by \Dfe\CurrencyFormat\O
* @param mixed|callable $d [optional]
* @param string|null $key [optional]
* @return mixed
*/
protected function v($d = null, $key = null)
{
$key = $key ?: df_caller_f();
return $this->cfg(df_const($this, $key, $key), $d);
}
