$v) { $settleAmount = $v['settleAmount'] ?? 0; $amount = $v['amount'] ?? 0; $io = $v['io'] ?? 0; $becomeBalance = 0; if ($io == 1) { $becomeBalance = bcsub($amount, $settleAmount, 2); $becomeBalance = floatval($becomeBalance); } $data['list'][$k]['becomeBalance'] = $becomeBalance; } } return $data; } }