排序键的排列基部 [英] sort an array base on key

问题描述

我有一个这样的数组：

Array
(
    [0] => Array
        (
            [title] => some title
            [time] => 1279231500
        )

    [1] => Array
        (
            [title] => some title 2
            [time] => 1279231440
        )

    [2] => Array
        (
            [title] => some title 3
            [time] => 1279229880
        )
)

我怎么能根据时间排序呢？

how i can sort it based on time?

推荐答案

您可以用这种方式对它进行排序（因为它是一个关联数组）：

You can sort it this way (since it is an associative array):

function cmp($a, $b)
{
   return strcmp($a['time'], $b['time']);
}

usort($your_array, "cmp");
print_r($your_array);

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