How to merge this array's value?

[smansakra]

i have an array like below:

Array (
    [0] => Array (
            [0] => 1
            )
    [1] => Array (
            [0] => 1
            )
    [2] => Array (
            [0] => 1
            )
    [3] => Array (
            [0] => 1
            )
    [4] => Array (
            [0] => 1
            )
    [5] => Array (
            [0] => 1
            )
    [6] => Array (
            [0] => 1
            )
    [7] => Array (
            [0] => 1
            )
    [8] => Array (
            [0] => 1
            )
    [9] => Array (
            [0] => 1
            )
    [10] => Array (
            [0] => 1
            )
    [11] => Array (
            [0] => 1
            )
    [12] => Array (
            [0] => 1
            )
    [13] => Array (
            [0] => 1
            )
    [14] => Array (
            [0] => 1
            )
    [15] => Array (
            [0] => 1
            )
    [16] => Array (
            [0] => 1
            [1] => 63
            )
    [17] => Array (
            [0] => 1
            )
    [18] => Array (
            [0] => 1
            )
    ) 

base on the above array, i just want to return the SECOND ARRAY'S VALUE,
there just 1 dan 63,
how to merge my array so it become like below

Array (
      [0] => 1
      [1] => 63
) 

thanks so much

[smansakra]

Oke, i have done with below,

Array (
        [0] => 1
        [1] => 1
        [2] => 1
        [3] => 1
        [4] => 1
        [5] => 1
        [6] => 1
        [7] => 1
        [8] => 1
        [9] => 1
        [10] => 1
        [11] => 1
        [12] => 1
        [13] => 1
        [14] => 1
        [15] => 1
        [16] => 1
        [17] => 63
        [18] => 1
        [19] => 1
    ) 

how to make the array above like below,

Array (
      [0] => 1
      [1] => 63
) 

[traq]

$array = Array (
        [0] => 1
        [1] => 1
        [2] => 1
        [3] => 1
        [4] => 1
        [5] => 1
        [6] => 1
        [7] => 1
        [8] => 1
        [9] => 1
        [10] => 1
        [11] => 1
        [12] => 1
        [13] => 1
        [14] => 1
        [15] => 1
        [16] => 1
        [17] => 63
        [18] => 1
        [19] => 1
    ) ;
$new_array = array_unique($array); 

[smansakra]

Aha, thanks so much..