public function addSubmerchantCredit($hash_in) { $hash_out = Transactions::createSubmerchantCreditHash($hash_in); $this->addTransaction($hash_out, $hash_in, 'submerchantCredit'); $this->counts_and_amounts['submerchantCredit']['count'] += 1; $this->counts_and_amounts['submerchantCredit']['amount'] += $hash_out['amount']; }