<?php
function creditTotal ($percent, $comission, $openWorth) {
  $creditSum=39999;
  $payout=5000;
  $month=1;
  while(1) {
    $month++;
    $creditSum=$creditSum+$openWorth;
    $creditWorth=($creditSum*$percent)+$comission;
    if ($creditWorth>5000) {
      $creditSum=$creditWorth-$payout;
      $totalPaid=$totalPaid+$payout;
    } else {
      $payout=$creditWorth;
      $creditSum=$creditWorth-$payout;
      $totalPaid=$totalPaid+$payout;
      return($totalPaid);
    }
  }
}
$homoCreditTotal=creditTotal(1.04, 500, 0);
$softbankTotal=creditTotal(1.03, 1000, 0);
$strawberryBankTotal=creditTotal(1.02, 0, 7777);
echo "Homo: $homoCreditTotal rub.<br>";
echo "softbank: $softbankTotal rub.<br>";
echo "strawberry: $strawberryBankTotal rub.<br>";
?>

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