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PHP - Manual: Ds\Vector::contains - 互联网笔记

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PHP - Manual: Ds\Vector::contains

2025-06-02

Ds\Vector::contains

(PECL ds >= 1.0.0)

Ds\Vector::containsDetermines if the vector contains given values

说明

public Ds\Vector::contains(mixed ...$values): bool

Determines if the vector contains all values.

参数

values

Values to check.

返回值

false if any of the provided values are not in the vector, true otherwise.

示例

示例 #1 Ds\Vector::contains() example

<?php
$vector
= new \Ds\Vector(['a', 'b', 'c', 1, 2, 3]);

var_dump($vector->contains('a')); // true
var_dump($vector->contains('a', 'b')); // true
var_dump($vector->contains('c', 'd')); // false

var_dump($vector->contains(...['c', 'b', 'a'])); // true

// Always strict
var_dump($vector->contains(1)); // true
var_dump($vector->contains('1')); // false

var_dump($sequece->contains(...[])); // true
?>

以上示例的输出类似于:

bool(true)
bool(true)
bool(false)
bool(true)
bool(true)
bool(false)
bool(true)
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官方地址:https://www.php.net/manual/en/ds-vector.contains.php

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