Title: Bulk_Upgrader_Skin::bulk_header
Published: April 25, 2014
Last modified: May 20, 2026

---

# Bulk_Upgrader_Skin::bulk_header()

## In this article

 * [Source](https://developer.wordpress.org/reference/classes/bulk_upgrader_skin/bulk_header/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/bulk_upgrader_skin/bulk_header/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/bulk_upgrader_skin/bulk_header/?output_format=md#changelog)

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

Displays the header before the bulk update process.

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

    ```php
    public function bulk_header() {
    	$this->feedback( 'skin_upgrade_start' );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/class-bulk-upgrader-skin.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-admin/includes/class-bulk-upgrader-skin.php#L152)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/class-bulk-upgrader-skin.php#L152-L154)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/bulk_upgrader_skin/bulk_header/?output_format=md#related)󠁿

| Uses | Description | 
| [Bulk_Upgrader_Skin::feedback()](https://developer.wordpress.org/reference/classes/bulk_upgrader_skin/feedback/)`wp-admin/includes/class-bulk-upgrader-skin.php` |

Displays a message about the update.

  |

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

| Version | Description | 
| [3.0.0](https://developer.wordpress.org/reference/since/3.0.0/) | Introduced. |

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