3v4l.org

run code in 300+ PHP versions simultaneously
<?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 function max_by(array $array, $key) { $res = array_filter($array, function($o) use($key) { static $m; $val = is_array($o) ? $o[$key] : $o->$key; $m = max($val, $m); return $val == $m; }); return end($res); } var_dump(max_by($objs, 'val'));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property A::$val is deprecated in /in/G4n09 on line 6 Deprecated: Creation of dynamic property A::$val is deprecated in /in/G4n09 on line 6 Deprecated: Creation of dynamic property A::$val is deprecated in /in/G4n09 on line 6 object(A)#2 (1) { ["val"]=> int(5) }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
object(A)#2 (1) { ["val"]=> int(5) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/G4n09 on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/G4n09 on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/G4n09 on line 10
Process exited with code 255.
preferences:
223.25 ms | 401 KiB | 312 Q