SplObjectStorage
PHP Manual

SplObjectStorage::attach

(PHP 5 >= 5.1.0)

SplObjectStorage::attach — Adds an object in the storage

설명

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

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

인수

object

The object to add.

data

The data to associate with the object. Defaults to NULL.

반환값

값을 반환하지 않습니다.

예제

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]);

?>

위 예제의 출력 예시:

NULL
string(5) "hello"

참고

SplObjectStorage
PHP Manual