Ds\Set::contains

(PECL ds >= 1.0.0)

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

Opis

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

Determines if the set contains all values.

Informacja:
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.

Uwaga

All comparisons are strict (type and value).

Parametry

values: Values to check.

Zwracane wartości

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

Przykłady

Przykład #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
?>

Powyższy przykład wyświetli coś podobnego do:

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

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