3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); ini_set('display_errors', 1); function calcmem($n) { return round(pow($n, 2) / (8 * 1024 * 1024), 2); } function println($str) { echo $str."\n"; } $n = 100; println(calcmem($n).' Mo');; println($n * $n); println(8*1024*1024); println(($n*$n)/(8*1024*1024)); echo round(($n * $n) / (8*1024*1024), 2);
Output for 5.4.38 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0 Mo 10000 8388608 0.0011920928955078 0
Output for 5.2.15 - 5.4.37
Warning: ini_set() has been disabled for security reasons in /in/iACC9 on line 4 0 Mo 10000 8388608 0.0011920928955078 0