International PHP Conference Berlin 2025

Ds\Sequence::contains

(PECL ds >= 1.0.0)

Ds\Sequence::containsDetermines if the sequence contains given values

Descripción

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

Determines if the sequence contains all values.

Parámetros

values

Values to check.

Valores devueltos

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

Ejemplos

Ejemplo #1 Ds\Sequence::contains() example

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

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

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

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

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

El resultado del ejemplo sería algo similar a:

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