SplObjectStorage
PHP Manual

SplObjectStorage::attach

(PHP 5 >= 5.1.0)

SplObjectStorage::attachAdds an object in the storage

Description

public void SplObjectStorage::attach ( object $object [, mixed $data = NULL ] )

Adds an object inside the storage, and optionaly 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
PHP Manual