GoLang Ds\Map::xor

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PHP Ds\Map::xor

PHP original manual for Ds\Map::xor [ show | php.net ]

Ds\Map::xor

(PECL ds >= 1.0.0)

Ds\Map::xor — Creates a new map using keys of either the current instance or of another map, but not of both

Description

public Ds\Map Ds\Map::xor ( Ds\Map $map )

Creates a new map containing keys of the current instance as well as another map, but not of both.

A ⊖ B = {x : x ∈ (A \ B) ∪ (B \ A)}

Parameters

map

The other map.

Return Values

A new map containing keys in the current instance as well as another map, but not in both.

See Also

Examples

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

<?php
$a = new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);
$b = new \Ds\Map(["b" => 4, "c" => 5, "d" => 6]);

print_r($a->xor($b));
?>

The above example will output something similar to:

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

    [1] => Ds\Pair Object
        (
            [key] => d
            [value] => 6
        )

)