<?php
error_reporting(-1);
$period = 20;
$credit = 4000;
$stavka = 0.03;
$payment = 5000;
$komissiya = 1000;
$totalPayment = 0;
$ostatok = 0;
 
for ($period = 0; $period < 20; $period++){
  $credit = $credit + ($credit * $stavka) + $komissiya - $payment;
    $totalPayment = $totalPayment + $payment;
    echo $credit . " " . $totalPayment . '<br>';
    if ($credit - $payment/2 < 0){
        $period++;
        echo 'Кредит почти погашен! Вам остался последний платеж:';
        $lastPayment = $credit + ($credit * $stavka) + $komissiya;
        $period++;
        $totalPayment += $lastPayment;
        echo "<b> $lastPayment </b><br>";
        echo "Всего потрачено на кредит за $period мес." . " $totalPayment";
        break;
    }
}
 
?>

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