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<?php class Wagon {} class Train { public function __construct(array $wagons) { $this->wagons = (function (Wagon $wagons) { return $wagons; })(...$wagons); } } var_dump(new Train([new Wagon, new Wagon, new Wagon]));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property Train::$wagons is deprecated in /in/0dH8X on line 9 object(Train)#1 (1) { ["wagons"]=> object(Wagon)#2 (0) { } }

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