3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = range(1,10,2); function change(&$value,$key,$factor){ $value = $value * $factor; } array_walk($array,'change',3); print_r($array); ?>
Output for 5.0.0 - 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => 3 [1] => 9 [2] => 15 [3] => 21 [4] => 27 )
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Warning: Wrong parameter count for range() in /in/E9CiB on line 3 Warning: array_walk(): The argument should be an array in /in/E9CiB on line 10
Output for 4.3.0 - 4.3.1
Warning: Wrong parameter count for range() in /in/E9CiB on line 3 Warning: array_walk() [http://www.php.net/function.array-walk]: The argument should be an array in /in/E9CiB on line 10
preferences:
271.53 ms | 401 KiB | 342 Q