SplObjectStorage::attach
(PHP 5 >= 5.1.0, PHP 7)
SplObjectStorage::attach — Adds an object in the storage
Description
public void SplObjectStorage::attach ( object $object [, mixed $data = NULL ] )Adds an object inside the storage, and optionally associate it to some data.
Parameters
object
The object to add.
data
The data to associate with the object.
Return Values
No value is returned.
Examples
Example #1 SplObjectStorage::attach() example
<?php
$o1?=?new?StdClass;
$o2?=?new?StdClass;
$s?=?new?SplObjectStorage();
$s->attach($o1);?//?similar?to?$s[$o1]?=?NULL;
$s->attach($o2,?"hello");?//?similar?to?$s[$o2]?=?"hello";
var_dump($s[$o1]);
var_dump($s[$o2]);
?>The above example will output something similar to:
NULL
string(5) "hello"Changelog
Version | Description |
|---|---|
5.3.0 | Added the data parameter. |
See Also
- SplObjectStorage::detach() - Removes an object from the storage
- SplObjectStorage::offsetSet() - Associates data to an object in the storage
← SplObjectStorage::addAll
SplObjectStorage::contains →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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