Ds\Sequence::contains
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Ds\Sequence::contains

(PECL ds >= 1.0.0)

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

Descrizione

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

Determines if the sequence contains all values.

Elenco dei parametri

values
Values to check.

Valori restituiti

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

Esempi

Example #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($sequence->contains(...[]));               // true
?>

Il precedente esempio visualizzerà qualcosa simile a:

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