Ds\Deque::contains

(PECL ds >= 1.0.0)

Ds\Deque::containsDetermines if the deque contains given values

说明

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

Determines if the deque contains all values.

参数

values

Values to check.

返回值

FALSE if any of the provided values are not in the deque, TRUE otherwise.

范例

Example #1 Ds\Deque::contains() example

<?php
$deque 
= new \Ds\Deque(['a''b''c'123]);

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

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

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

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

以上例程的输出类似于:

bool(true)
bool(true)
bool(false)
bool(true)
bool(true)
bool(false)
bool(true)