(PECL ds >= 1.0.0)
Ds\Map::reverse — Reverses the map in-place.
Reverses the map in-place.
This function has no parameters.
No value is returned.
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 ) )