class Vehicle $\{$

private $type;

public function $\_\_$construct$($$type$)\{$

$this$->$type $=$ $type;

$\}$

public function get$\_$type$()\{$

return $this$->$type;

$\}$

$\}/*06$: Create a new Vehicle instance named myTruck

from the Vehicle class you created in #$01.$ Pass in the

value "gasoline" to the constructor. Output the

result of using json$\_$encode on $myTruck $*/$

$myTruck $=$ new Vehicle$("$gasoline$")$; echo json$\_$encode$($$myTruck$)."/$n$"$;what is wrong?