(PECL ds >= 1.0.0)
Ds\Map::clear — Removes all values
This function has no parameters.
No value is returned.
Example #1 Ds\Map::clear() example
<?php
$map = new \Ds\Map([
    "a" => 1,
    "b" => 2,
    "c" => 3,
]);
print_r($map);
$map->clear();
print_r($map);
?>The above example will output something similar to:
Ds\Map Object
(
    [0] => Ds\Pair Object
        (
            [key] => a
            [value] => 1
        )
    [1] => Ds\Pair Object
        (
            [key] => b
            [value] => 2
        )
    [2] => Ds\Pair Object
        (
            [key] => c
            [value] => 3
        )
)
Ds\Map Object
(
)