PHP reverse the order of sub array

Question

Here is an array example I have.

Array
(
    [0] => Array
        (
            [0] => a
            [1] => b
            [2] => c
        )

)

I need the order of the sub array to be reversed. I know the function I need to use is "reverse_array" but I do not know how to apply it to an array within an array.

h2ooooooo · Accepted Answer · 2014-10-10 18:30:55Z

4

The function you need to use is array_reverse(), but I'm assuming that's the one you were talking about. To answer your question, you simply specify the array item instead of the main array:

$array[0] = array_reverse($array[0]);
//     ^                         ^

If you instead wish to reverse all sub-arrays in an array, you can use array_map():

$array = array_map('array_reverse', $array);

answered Oct 10, 2014 at 18:30

h2ooooooo

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