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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: