App\Worker Object
(
    [name] => Boris
    [age] => 27
    [hours] => Array
        (
            [0] => 5
            [1] => 6
            [2] => 10
        )

)

App\Developer Object
(
    [name] => Petr
    [age] => 33
    [hours] => Array
        (
            [0] => 15
            [1] => 16
            [2] => 110
        )

)

developer