Ds\Set::xor

Creates a new set using values in either the current instance or in another set, but not in both.

Description

public Ds\Set Ds\Set::xor ( Ds\Set $set )

Creates a new set containing values in the current instance as well as another set, but not in both.

A ⊖ B = {x : x ∈ (A \ B) ∪ (B \ A)}

Parameters

set: The other set.

Return Values

A new set containing values in the current instance as well as another set, but not in both.

See Also

» Symmetric Difference on Wikipedia

Examples

Example #1 Ds\Set::xor example


<?php
$a = new \Ds\Set([1, 2, 3]);
$b = new \Ds\Set([3, 4, 5]);

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

The above example will output something similar to:

object(Ds\Set)#3 (4) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(4)
  [3]=>
  int(5)
}