Ds\Map::reverse

(PECL ds >= 1.0.0)

Ds\Map::reverse — Reverses the map in-place

Description

public Ds\Map::reverse(): void

Reverses the map in-place.

Parameters

This function has no parameters.

Return Values

No value is returned.

Examples

Example #1 Ds\Map::reverse() example

<?php
$map = new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);
$map->reverse();

print_r($map);
?>

The above example will output something similar to:

Ds\Map Object
(
    [0] => Ds\Pair Object
        (
            [key] => c
            [value] => 3
        )

    [1] => Ds\Pair Object
        (
            [key] => b
            [value] => 2
        )

    [2] => Ds\Pair Object
        (
            [key] => a
            [value] => 1
        )

)

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