改变数组的一部分[关闭]

I have this array,

Array
        (
            [0]Array
                (
                    [ftid] 2
                    [fname] Ho Type
                    [flabelid] Array
                        (
                            [0] 1000
                            [1] 1001
                            [2] 1002
                            [3] 1003
                            [4] 1004
                        )

                    [flabels] Array
                        (
                            [0] All
                            [1] Si Fam
                            [2] Toho
                            [3] Con Co
                            [4] Mob Ho
                        )

                )

            [1] Array
                (
                    [ftid] 3
                    [fname] Li Pri
                    [flabelid] Array
                        (
                            [0] 1000
                            [1] 1007
                            [2] 1008
                        )

                    [flabels] Array
                        (
                            [0] All
                            [1] 50M
                            [2] 50K

                        )

                )
        )

how would I change Ho Type which is the fname without destroying the array. What I mean is only change that specific part? Please help. Cheers!

$array[0]['fname'] = $new_value;

considering $array is the name of your array & $new_value as new value