需求：
Array
(
[0] => Array
(
[column] => 相关网站
[typeid] => 2
[md5] => bbbc3f0137702909561d1ed391c8053b
[order] => 4
)

[1] => Array
(
[typeid] => -3
[name] => 相关人物
[md5] =>
[order] => 3
)

[2] => Array
(
[typeid] => -2
[name] => 推荐企业
[md5] =>
[order] => 2
)

[3] => Array
(
[typeid] => -1
[name] => 精华区
[md5] =>
[order] => 1
)

)
有这么一个数组 我将 2号元素 order 更改为 1 此数组 格式为
Array
(
[0] => Array
(
[column] => 相关网站
[typeid] => 2
[md5] => bbbc3f0137702909561d1ed391c8053b
[order] => 4
)

[1] => Array
(
[typeid] => -3
[name] => 相关人物
[md5] =>
[order] => 3
)

[2] => Array
(
[typeid] => -2
[name] => 推荐企业
[md5] =>
[order] => 1
)

[3] => Array
(
[typeid] => -1
[name] => 精华区
[md5] =>
[order] => 2
)

)
原来的数组结构部变 帮忙下这个算法 提供一个方法。