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# array_reverse

(PHP 4 , PHP 5)

array_reverse -- Return an array with elements in reverse order

## Description

array array_reverse ( array array [, bool preserve_keys])

array_reverse() takes input array and returns a new array with the order of the elements reversed, preserving the keys if preserve_keys is `TRUE`.

示範 1.array_reverse() example

`<?php $input = array("php", 4.0, array("green", "red")); $result = array_reverse($input); $result_keyed = array_reverse($input, true); ?>`

This makes both $result and $result_keyed have the same elements, but note the difference between the keys. The printout of $result and $result_keyed will be:

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

> 備注: The second parameter was added in PHP 4.0.3.

See also array_flip().

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