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<?php class PoweredVehicle { protected $odometer = 0; protected $vehicle_type; protected $colour; public function __construct($vehicle_type, $colour) { $this->vehicle_type = $vehicle_type; $this->colour = $colour; } } $car = new PoweredVehicle('car', 'blue'); $go_back_in_time = function () : PoweredVehicle { $this->vehicle_type = 'horse'; $this->colour = 'brown'; return $this; }; $horse = $go_back_in_time->call($car); var_dump($horse);
Output for git.master, git.master_jit, rfc.property-hooks
object(PoweredVehicle)#1 (3) { ["odometer":protected]=> int(0) ["vehicle_type":protected]=> string(5) "horse" ["colour":protected]=> string(5) "brown" }

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