Ds\Set::contains

(PECL ds >= 1.0.0)

Ds\Set::contains — Determines if the set contains all values.

Description

public bool Ds\Set::contains ([ mixed $...values ] )

Determines if the set contains all values.

Note:
Values of type object are supported. If an object implements Ds\Hashable, equality will be determined by the object's equals function. If an object does not implement Ds\Hashable, objects must be references to the same instance to be considered equal.

Attention

All comparisons are strict (type and value).

Liste de paramètres

values: Values to check.

Valeurs de retour

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

Exemples

Exemple #1 Ds\Set::contains() example


<?php
$set = new \Ds\Set([1, 2, 3]);

var_dump($set->contains(1));                // true
var_dump($set->contains(1, 2));             // true
var_dump($set->contains(...[1, 2]));        // true

var_dump($set->contains("1"));              // false
var_dump($set->contains(...[1, 2, 3, 4]));  // false

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

L'exemple ci-dessus va afficher quelque chose de similaire à :

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