Ds\Deque::contains

    (PECL ds >= 1.0.0)

    Ds\Deque::contains — Determines if the deque contains given values

    Beschreibung

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

    Determines if the deque contains all values.

    Parameter-Liste

    values

    Values to check.

    Rückgabewerte

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

    Beispiele

    Beispiel #1 Ds\Deque::contains() example

    <?php
$deque = new \Ds\Deque(['a', 'b', 'c', 1, 2, 3]);

var_dump($deque->contains('a'));                // true
var_dump($deque->contains('a', 'b'));           // true
var_dump($deque->contains('c', 'd'));           // false

var_dump($deque->contains(...['c', 'b', 'a'])); // true

// Always strict
var_dump($deque->contains(1));                  // true
var_dump($deque->contains('1'));                // false

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

    Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

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

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