How to get specific key values from an multi dimensional array in PHP : I currently have the following array:
<pre>
Array
(
    [2] => Array
        (
            [id] => 2
            [type] => 2
            [name] => R-1 Agency
            [parent] => 1
            [children] => Array
                (
                    [3] => Array
                        (
                            [id] => 3
                            [type] => 3
                            [name] => R-1-W-1
                            [parent] => 2
                            [children] => Array
                                (
                                    [11] => Array
                                        (
                                            [id] => 11
                                            [type] => 4
                                            [name] => mdf,lk
                                            [parent] => 3
                                            [children] => Array
                                                (
                                                )

                                        )

                                )

                        )

                )

        )

    [38] => Array
        (
            [id] => 38
            [type] => 2
            [name] => sndflk
            [parent] => 1
            [children] => Array
                (
                    [40] => Array
                        (
                            [id] => 40
                            [type] => 3
                            [name] => new one
                            [parent] => 38
                            [children] => Array
                                (
                                )

                        )

                )

        )

)
</pre>