<?php

error_reporting (-1);

function functionName($creditSum, $percent, $commission){
	for($i=1;  $creditSum>0; $i++){
		$payout = 5000;
		$mouthPay = ($creditSum * $percent) +$commission +$payout;
		$creditSum = $creditSum - $mouthPay;
		if ($creditSum<$payout){
			$payout = $creditSum;
		}
		
		echo "в {$i} месяц сумма долга {$creditSum}\n";
		$totalPay = $totalPay + $payout;
		echo "всего заплачено {$totalPay}\n";
		}
		return $creditsum;
	
}

$creditSum = 39999;

$homoCreditTotal = functionName(39999, 0.03, 1000);
$softBankTotal = 0;
$strawberryBankTotal = 0;

?>