小编Jon*_*lfe的帖子

如何通过任何子值(即:post_id,username等等)对下面的数组进行排序？

Array(
[0] => Array
    (
        [id] => 10
        [post_id] => 398
        [user_id] => 0
        [view_date] => 2010-11-20 15:26:00
        [views] => 4
        [username] => <em>guest</em> 
    )

[1] => Array
    (
        [id] => 9
        [post_id] => 397
        [user_id] => 1
        [view_date] => 2010-11-19 23:35:39
        [views] => 1
        [username] => Fire G
    )

[2] => Array
    (
        [id] => 8
        [post_id] => 398
        [user_id] => 1
        [view_date] => 2010-11-19 23:35:26
        [views] => 4
        [username] => Fire G
    )

[3] => Array
    ( …