3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $capacities = array(25,150,50000,200000,5000000); foreach ($capacities as $c) { echo sprintf("Capacity of %s will be allowed to overdraw by %s.\n", $c, log($c,2)); }
based on 0pRiX
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 4.6438561897747. Capacity of 150 will be allowed to overdraw by 7.2288186904959. Capacity of 50000 will be allowed to overdraw by 15.609640474437. Capacity of 200000 will be allowed to overdraw by 17.609640474437. Capacity of 5000000 will be allowed to overdraw by 22.253496664212.