3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php // SETUP CODE class A { function __construct($val) { $this->val = $val; } } $objs = [ new A(3), new A(5), new A(2), ]; // AMAZING max_by IMPL :P $res = array_filter($objs, function ($o) { static $m; var_dump($m); $m = max($o->val, $m); return $o->val == $m; }); //print_r($res);
based on IaVak
Output for 5.4.0 - 7.2.0
NULL int(3) int(5)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/vUG8m on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/vUG8m on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vUG8m on line 10
Process exited with code 255.