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Checks whether an object exists in the storage


SplObjectStorage::offsetExists

(PHP 5 >= 5.3.0)

SplObjectStorage::offsetExistsChecks whether an object exists in the storage

Description

public bool SplObjectStorage::offsetExists ( object $object )

Checks whether an object exists in the storage.

Parameters

object

The object to look for.

Return Values

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

Examples

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])
?>

The above example will output something similar to:

 bool(true) bool(false) 

See Also



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