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    SplObjectStorage::contains

    (PHP 5 >= 5.1.0, PHP 7, PHP 8)

    SplObjectStorage::contains — Checks if the storage contains a specific object

    Descrizione

    public SplObjectStorage::contains(object $object): bool

    Checks if the storage contains the object provided.

    Elenco dei parametri

    object

    The object to look for.

    Valori restituiti

    Returns true if the object is in the storage, false otherwise.

    Esempi

    Example #1 SplObjectStorage::contains() example

    <?php
    $o1     = new stdClass;
    $o2 = new stdClass;

    $s = new SplObjectStorage();

    $s[$o1] = "hello";
    var_dump($s->contains($o1));
    var_dump($s->contains($o2));
    ?>

    Il precedente esempio visualizzerà qualcosa simile a:

    bool(true)
bool(false)

    Vedere anche:

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