3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = 1; for ($i = 0; $i < 10; ++$i) $foo = $foo * 2 + $i; echo $foo;
based on Hh39M
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2037