3v4l.org

run code in 200+ 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"; } $n = 100000; println(calcmem($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 4.3.0 - 7.1.7
1192.09 Mo 10000000000 8388608 1192.0928955078 1192.09