SplObjectStorage::offsetExists

(PHP 5 >= 5.3.0)

SplObjectStorage::offsetExists — Checks whether an object exists in the storage

Description

public boolean 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

• SplObjectStorage::offsetSet() - Associates data to an object in the storage
• SplObjectStorage::offsetGet() - Returns the data associated with an object
• SplObjectStorage::offsetUnset() - Removes an object from the storage