SplObjectStorage::offsetExists
(PHP 5 >= 5.3.0)
SplObjectStorage::offsetExists — Checks whether an object exists in the storage
Beskrivelse
public bool SplObjectStorage::offsetExists
( object
$object
)Checks whether an object exists in the storage.
Returnerings Værdier
Returns TRUE if the object exists in the storage,
and FALSE otherwise.
Eksempler
Eksempel #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)
Se også
- 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
add a note
User Contributed Notes
There are no user contributed notes for this page.
