3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $capacities = array(25,150,5000); foreach ($capacities as $c) { echo sprintf("Capacity of %s will be allowed to overdraw by %s.\n", $c, log($c)*4); }
based on Yh5MM
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Capacity of 25 will be allowed to overdraw by 12.875503299473. Capacity of 150 will be allowed to overdraw by 20.042541176385. Capacity of 5000 will be allowed to overdraw by 34.068772765665.