Php array_reverse array Reverse Order

Php array_reverse array Reverse Order

Array_reverse
(PHP 4 and PHP 5)

Array_reverse-returns an array whose content order is reversed.

Description
Array array_reverse (array $ array [, Boolean $ preserve_keys = false])
Use a command to input an array and return a new array to reverse the content.

Parameters

Array
Input array.

Preserve_keys
If this parameter is set to TRUE, the key is saved.


Return Value
Returns the reverse array.

Modify

Version description
The preserve_keys parameter of 4.0.3 is added.


Instance

Example #1 array_reverse ()

<? 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
)