从嵌套的PHP obj中提取数据

Question

I have the array $roomResponse:

Array
(
    [0] => Array
        (
            [0] => stdClass Object
                (
                    [roomCategory] => Standard Room - Double
                    [paxes] => Array
                        (
                            [0] => stdClass Object
                                (
                                    [paxType] => Adult
                                    [age] => 30
                                )
                            [1] => stdClass Object
                                (
                                    [paxType] => Adult
                                    [age] => 30
                                )
                            [2] => stdClass Object
                                (
                                    [paxType] => Child
                                    [age] => 11
                                )
                        )
                    [totalRoomRate] => 280
                    [ratesPerNight] => Array
                        (
                            [0] => stdClass Object
                                (
                                    [date] => 2015-06-08
                                    [amount] => 40
                                )
                            [1] => stdClass Object
                                (
                                    [date] => 2015-06-09
                                    [amount] => 40
                                )
                            [2] => stdClass Object
                                (
                                    [date] => 2015-06-10
                                    [amount] => 40
                                )
                        )
                )
            [1] => stdClass Object
                (
                    [roomCategory] => Standard Room - Double
                    [paxes] => Array
                        (
                            [0] => stdClass Object
                                (
                                    [paxType] => Adult
                                    [age] => 30
                                )
                            [1] => stdClass Object
                                (
                                    [paxType] => Child
                                    [age] => 11
                                )
                            [2] => stdClass Object
                                (
                                    [paxType] => Child
                                    [age] => 11
                                )
                        )
                    [totalRoomRate] => 274
                    [ratesPerNight] => Array
                        (
                            [0] => stdClass Object
                                (
                                    [date] => 2015-06-08
                                    [amount] => 40
                                )
                            [1] => stdClass Object
                                (
                                    [date] => 2015-06-09
                                    [amount] => 40
                                )
                            [2] => stdClass Object
                                (
                                    [date] => 2015-06-10
                                    [amount] => 40
                                )
                        )    
                )    
        )

How can i pull roomCategory and totalRoomRate. The above array COntains informations from information about two rooms. I want to use the as $roomCategory[][] and $totalRoomRate[][]

I have tried the below foreach but it doesnt work it return empty arrays.

foreach ($roomResponse as $camere) {
        $roomCategory[][] = $camere->roomCategory;
        $totalRoomRate[][] = $camere->totalRoomRate;

Thanks

Answer 1

foreach ($roomResponse[0] as $camere) {
    ...
}