simkimsia/Aktive-Merchant — comment on commit 0bc1f9e4ae59dcc98ef7fa05aea17cf05dac5f53
File: lib/merchant/billing/gateways/PaypalExpress.php line 222
By akDeveloper:

The constructor already pass `$options['currency']` to `self::$default_currency`, so no need to do this. `self::$default_currency` has already `$this->options['currency']` value.