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), new A(8), new A(1), ]; // AMAZING max_by IMPL :P $res = array_reduce($objs, function ($c, $o) { var_dump($c);exit; $p = $c ? $c->val : 0; $c = max($o->val, $p); return $o->val == $p ? $o : $c; }); var_dump($res);
based on fLZ50
Output for 5.4.0 - 7.2.0
NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/O68FW 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/O68FW on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/O68FW on line 10
Process exited with code 255.