SplObjectStorage::attach
(PHP 5 >= 5.1.0)
SplObjectStorage::attach — Adds an object in the storage
說明
Adds an object inside the storage, and optionally associate it to some data.
回傳值
無回傳值。
範例
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]);
?>
上例的輸出類似於：
NULL string(5) "hello"
更新日誌
| 版本 | 說明 |
|---|---|
| 5.3.0 |
Added the data parameter.
|
參見
- SplObjectStorage::detach() - Removes an object from the storage
- SplObjectStorage::offsetSet() - Associates data to an object in the storage
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