Ds\Set::contains
(PECL ds >= 1.0.0)
Ds\Set::contains — Determines if the set contains all values
Beschreibung
Determines if the set contains all values.
Hinweis:
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.
All comparisons are strict (type and value).
Parameter-Liste
-
values
-
Values to check.
Rückgabewerte
false
if any of the provided values
are not in the
set, true
otherwise.
Beispiele
Beispiel #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
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
bool(true) bool(true) bool(true) bool(false) bool(false) bool(true)