Title: WP_User::get_site_id
Published: November 20, 2017
Last modified: May 20, 2026

---

# WP_User::get_site_id(): int

## In this article

 * [Return](https://developer.wordpress.org/reference/classes/wp_user/get_site_id/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_user/get_site_id/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_user/get_site_id/?output_format=md#changelog)

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

Gets the ID of the site for which the user’s capabilities are currently initialized.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_user/get_site_id/?output_format=md#return)󠁿

 int Site ID.

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

    ```php
    public function get_site_id() {
    	return $this->site_id;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-user.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/class-wp-user.php#L899)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-user.php#L899-L901)

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

| Version | Description | 
| [4.9.0](https://developer.wordpress.org/reference/since/4.9.0/) | Introduced. |

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