array_reverse()

(PHP 4, PHP 5, PHP 7)

返回单元顺序相反的数组

说明

array_reverse()接受数组$array作为输入并返回一个单元为相反顺序的新数组。

参数

输入的数组。

如果设置为TRUE会保留数字的键。非数字的键则不受这个设置的影响，总是会被保留。

返回值

返回反转后的数组。

范例

Example #1array_reverse()例子

以上例程会输出：

Array
(
    [0] => php
    [1] => 4
    [2] => Array
        (
            [0] => green
            [1] => red
        )
)
Array
(
    [0] => Array
        (
            [0] => green
            [1] => red
        )
    [1] => 4
    [2] => php
)
Array
(
    [2] => Array
        (
            [0] => green
            [1] => red
        )
    [1] => 4
    [0] => php
)

参见

• array_flip()交换数组中的键和值

Needed to just reverse keys. Don't flog me if there is a better way. This was a simple solution.

Here are a couple of routines to swap the order of two elements in an array

This code can help in recursive reversing of the array...