<?php
error_reporting(-1);
$balance = 10000;
for ($month = 1; $balance < 1000000; $month ++) {
	$balance = $balance*1.1;
} $month1 = $month % 12;
$year = ($month - $month1)/12;
echo "Потребовалось $year лет $month1 месяцевю";