cc-parenthesis-after.php

<?php

function getTotalWithTax(Payment $payment, int $taxPercent): float
{
    // descriptive variables with intermediary values for easier debugging
    $paymentAmount = (int) $payment->getAmount();
    $taxCoefficient = 1 + ($taxPercent / 100);
    
    $totalWithTax = $paymentAmount * $taxCoefficient;

    return (float) $totalWithTax;
}