SplObjectStorage
PHP Manual

SplObjectStorage::offsetExists

(PHP 5 >= 5.3.0)

SplObjectStorage::offsetExistsChecks whether an object exists in the storage

Descrierea

public boolean SplObjectStorage::offsetExists ( object $object )

Checks whether an object exists in the storage.

Parametri

object

The object to look for.

Valorile întoarse

Returns TRUE if the object exists in the storage, and FALSE otherwise.

Exemple

Example #1 SplObjectStorage::offsetExists() example

<?php
$s 
= new SplObjectStorage;
$o1 = new StdClass;
$o2 = new StdClass;

$s->attach($o1);

var_dump($s->offsetExists($o1)); // Similar to isset($s[$o1])
var_dump($s->offsetExists($o2)); // Similar to isset($s[$o2])
?>

Exemplul de mai sus va afișa ceva similar cu:

bool(true)
bool(false)

Vedeți de asemenea


SplObjectStorage
PHP Manual