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<?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 $res = array_reduce($objs, function ($c, $o) { $c = max($o->val, $c); return $o->val == $c ? $o->val : $c; }); var_dump($res);

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40.1 ms | 402 KiB | 5 Q