Ds\Set::contains

(PECL ds >= 1.0.0)

Ds\Set::containsDetermines if the set contains all values

Beschreibung

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

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.

Achtung

All comparisons are strict (type and value).

Parameter-Liste

values

Values to check.

R√ľckgabewerte

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([123]);

var_dump($set->contains(1));                // true
var_dump($set->contains(12));             // true
var_dump($set->contains(...[12]));        // true

var_dump($set->contains("1"));              // false
var_dump($set->contains(...[1234]));  // 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)
add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top