3v4l.org

run code in 500+ PHP versions simultaneously
<?php $original = rand(1, 10000); $x = $original + 5; $x = 2 * $x; $x = $x - 4; $x = $x / 2; $result = $x - $original; print $result;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.1
3

preferences:
27.68 ms | 1137 KiB | 7 Q