# SplObjectStorage::offsetSet

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplObjectStorage::offsetSet — Associates data to an object in the storage

### 说明

public SplObjectStorage::offsetSet(object `$object`, mixed `$info` = `null`): void

Associate data to an object in the storage.

> 注意:

> SplObjectStorage::offsetSet() is an alias of SplObjectStorage::attach().

### 参数

`object`

  The object to associate data with.

`info`

  The data to associate with the object.

### 返回值

没有返回值。

### 示例

示例 #1 SplObjectStorage::offsetSet() example

`<?php
$s = new SplObjectStorage;
$o1 = new stdClass;
$s->offsetSet($o1, "hello"); // Similar to $s[$o1] = "hello";
var_dump($s[$o1]);
?>`

以上示例的输出类似于：

    string(5) "hello"

### 参见

- SplObjectStorage::attach() - Adds an object in the storage
- SplObjectStorage::offsetGet() - Returns the data associated with an object
- SplObjectStorage::offsetExists() - Checks whether an object exists in the storage
- SplObjectStorage::offsetUnset() - Removes an object from the storage

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