3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 23; $b = 2; $arr[] = $i % $b; // store remainder in array $i = $i/$b; var_dump($arr,$i);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: Undefined variable $i in /in/4DmNl on line 4 Warning: Undefined variable $i in /in/4DmNl on line 5 array(1) { [0]=> int(0) } int(0)
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: i in /in/4DmNl on line 4 Notice: Undefined variable: i in /in/4DmNl on line 5 array(1) { [0]=> int(0) } int(0)
Output for 7.3.32 - 7.3.33
array(1) { [0]=> int(0) } int(0)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: i in /in/4DmNl on line 4 Notice: Undefined variable: i in /in/4DmNl on line 5 array(1) { [0]=> int(0) } int(0)

preferences:
232.7 ms | 402 KiB | 315 Q