SplObjectStorage::addAll
SplObjectStorage::contains
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::detach - Removes an object from the storage
- SplObjectStorage::offsetSet - Associates data to an object in the storage

SplObjectStorage::addAll
SplObjectStorage::contains
SplObjectStorage
PHP Manual