3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x=$_GET['first']; for($i=0;$i<$_GET['roop'];$i++) { print("When they buy the coin for ".$x."yen,"); $x=($x+$_GET["cost"])*(100/(100-$_GET["tesu"])); print("they should sell the coin for ".$x."yen,"); } ?>
based on 6FYrM
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
Notice: Undefined index: first in /in/cnVNh on line 2 Notice: Undefined index: roop in /in/cnVNh on line 3