基于key =>值以降序排列关联数组

Do you know how to order this array in Descending order basing on the time_sent value?

I've been using some ksort or usort, but still it fails.

Your help would be greatly appreciated!

Thanks!

Array
(
    [0] => Array
        (
            [time_sent] => 1343805651
        )

    [1] => Array
        (
            [time_sent] => 1343805328
        )

    [2] => Array
        (
            [time_sent] => 1343890728
        )

    [3] => Array
        (
            [time_sent] => 1343743340
        )

    [4] => Array
        (
            [time_sent] => 1343726917
        )

    [5] => Array
        (
            [time_sent] => 1343893364
        )

)

try multisort :

 array_multisort($array, SORT_DESC);