Title: Automatic_Upgrader_Skin::header
Published: April 25, 2014
Last modified: August 20, 2026

---

# Automatic_Upgrader_Skin::header()

## In this article

 * [Source](https://developer.wordpress.org/reference/classes/Automatic_Upgrader_Skin/header/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/Automatic_Upgrader_Skin/header/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/Automatic_Upgrader_Skin/header/?output_format=md#wp--skip-link--target)

Creates a new output buffer.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/Automatic_Upgrader_Skin/header/?output_format=md#source)󠁿

    ```php
    public function header() {
    	ob_start();
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/class-automatic-upgrader-skin.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.1/src/wp-admin/includes/class-automatic-upgrader-skin.php#L120)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-admin/includes/class-automatic-upgrader-skin.php#L120-L122)

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/Automatic_Upgrader_Skin/header/?output_format=md#changelog)󠁿

| Version | Description | 
| [3.7.0](https://developer.wordpress.org/reference/since/3.7.0/) | Introduced. |

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