3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $b = 2; $i = $a; $a = 23; while( $a > 0) { $arr[] = $i % $b; // store remainder in array $i = floor($i/$b); // no integer division var_dump($arr,$i); $a = $i; }
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: a in /in/YuHRM on line 3 array(1) { [0]=> int(0) } float(0)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/YuHRM on line 3 array(1) { [0]=> int(0) } float(0)