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how do i use array unique on an array of arrays using -'php,arrays,array-unique'


how do i use array unique on an array of arrays  using -'php,arrays,array-unique'

I have an array

Array(
[0] => Array
    (
        [0] => 33
        [user_id] => 33
        [1] => 3
        [frame_id] => 3
    )

[1] => Array
    (
        [0] => 33
        [user_id] => 33
        [1] => 3
        [frame_id] => 3
    )

[2] => Array
    (
        [0] => 33
        [user_id] => 33
        [1] => 8
        [frame_id] => 8
    )

[3] => Array
    (
        [0] => 33
        [user_id] => 33
        [1] => 3
        [frame_id] => 3
    )

[4] => Array
    (
        [0] => 33
        [user_id] => 33
        [1] => 3
        [frame_id] => 3
    )


)

As you can see key 0 is the same as 1,3 and 4. And key 2 is different from them all.

When running the array_unique function on them, the only left is

Array (
[0] => Array
    (
        [0] => 33
        [user_id] => 33
        [1] => 3
        [frame_id] => 3
    )


)

any ideas why array_unique isn't working as expected?
    
asked Sep 7, 2015 by rajesh
0 votes
9 views



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