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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

Avviso

This function has been DEPRECATED as of PHP 8.5.0. Relying on this function is highly discouraged.

Descrizione

#[\Deprecated]
public function 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.

Log delle modifiche

Versione Descrizione
8.5.0 This method has been deprecated in favor of SplObjectStorage::offsetExists().

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: