PHP 8.4.2 Released!

array_reverse

(PHP 4, PHP 5, PHP 7, PHP 8)

array_reverseReturn an array with elements in reverse order

Опис

array_reverse(array $array, bool $preserve_keys = false): array

Takes an input array and returns a new array with the order of the elements reversed.

Параметри

array

The input array.

preserve_keys

If set to true numeric keys are preserved. Non-numeric keys are not affected by this setting and will always be preserved.

Значення, що повертаються

Returns the reversed array.

Приклади

Приклад #1 array_reverse() example

<?php
$input
= array("php", 4.0, array("green", "red"));
$reversed = array_reverse($input);
$preserved = array_reverse($input, true);

print_r($input);
print_r($reversed);
print_r($preserved);
?>

Поданий вище приклад виведе:

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
)

Прогляньте також

  • array_flip() - Exchanges all keys with their associated values in an array

add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top