3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php <?php $hits = 0; $total = 1000000000; for ($i = 0; $i < $total; ++$i) { $x = mt_rand(0, 1000000) / 500000 - 1; $y = mt_rand(0, 1000000) / 500000 - 1; if ($x ** 2 + $y ** 2 <= 1) { ++$hits; } } $pi = 4.0 * $hits / $total; echo "PI approx: $pi";
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected '<', expecting end of file in /in/Xdg4d on line 3
Process exited with code 255.
Output for 5.3.22 - 5.6.17
Parse error: syntax error, unexpected '<' in /in/Xdg4d on line 3
Process exited with code 255.