SplObjectStorage::attach
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplObjectStorage::attach — Adds an object in the storage
说明
Adds an object inside the storage, and optionally associate it to some data.
参数
-
object -
The object to add.
-
info -
The data to associate with the object.
返回值
没有返回值。
范例
示例 #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]);
?>
以上例程的输出类似于：
NULL string(5) "hello"
参见
- SplObjectStorage::detach() - Removes an object from the storage
- SplObjectStorage::offsetSet() - Associates data to an object in the storage
add a note
User Contributed Notes
There are no user contributed notes for this page.
备份地址：http://www.lvesu.com/blog/php/splobjectstorage.attach.php