PHP Manual: SplObjectStorage::attach

Description

#[\Deprecated(
since: '8.5',
message: "use method SplObjectStorage::offsetSet() instead",
)]
public function SplObjectStorage::attach(object $object, mixed $info = null): void

Adds an object inside the storage, and optionally associate it to some data.

This method is an alias of SplObjectStorage::offsetSet().

Parameters

object: The object to add.
info: The data to associate with the object.

Return Values

No value is returned.

Changelog

Version	Description
8.5.0	This method has been deprecated in favor of SplObjectStorage::offsetSet().

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"

SplObjectStorage::attach

Description

Parameters

Return Values

Changelog

Examples

See Also