Php/docs/ds-set.xor

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Ds\Set::xor

(PECL ds >= 1.0.0)

Ds\Set::xorCreates a new set using values in either the current instance or in another set, but not in both


説明

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


パラメータ

set
The other set.


返り値

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


See Also


例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));?>

上の例の出力は、 たとえば以下のようになります。


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