SplObjectStorage::offsetGet

(PHP 5 >= 5.3.0)

SplObjectStorage::offsetGet — Returns the data associated with an object

Descrizione

public mixed SplObjectStorage::offsetGet ( object $object )

Returns the data associated with an object in the storage.

Elenco dei parametri

object: The object to look for.

Valori restituiti

The data previously associated with the object in the storage.

Errori/Eccezioni

Throws UnexpectedValueException when object could not be found.

Esempi

Example #1 SplObjectStorage::offsetGet() example


<?php
$s = new SplObjectStorage;

$o1 = new StdClass;
$o2 = new StdClass;

$s[$o1] = "hello";
$s->attach($o2);


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

Il precedente esempio visualizzerà qualcosa simile a:

string(5) "hello"
NULL

Vedere anche:

SplObjectStorage::offsetSet() - Associates data to an object in the storage
SplObjectStorage::offsetExists() - Checks whether an object exists in the storage
SplObjectStorage::offsetUnset() - Removes an object from the storage