Ds\Set::contains

(PECL ds >= 1.0.0)

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

Descripción

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

Determines if the set contains all values.

Nota:
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.

Precaución

All comparisons are strict (type and value).

Parámetros

values: Values to check.

Valores devueltos

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

Ejemplos

Ejemplo #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
?>

El resultado del ejemplo sería algo similar a:

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

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