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PHP - Manual: Ds\Set::xor - 互联网笔记

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PHP - Manual: Ds\Set::xor

2025-06-02

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

说明

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)}

参数

set

The other set.

返回值

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

参见

示例

示例 #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));
?>

以上示例的输出类似于:

object(Ds\Set)#3 (4) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(4)
  [3]=>
  int(5)
}
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官方地址:https://www.php.net/manual/en/ds-set.xor.php

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