Title: WP_Network::_set_site_name
Published: December 9, 2015
Last modified: May 20, 2026

---

# WP_Network::_set_site_name()

## In this article

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

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

This function’s access is marked private. This means it is not intended for use 
by plugin or theme developers, only by core. It is listed here for completeness.

Sets the site name assigned to the network if one has not been populated.

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

    ```php
    private function _set_site_name() {
    	if ( ! empty( $this->site_name ) ) {
    		return;
    	}

    	$default         = ucfirst( $this->domain );
    	$this->site_name = get_network_option( $this->id, 'site_name', $default );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-network.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/class-wp-network.php#L289)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-network.php#L289-L296)

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

| Uses | Description | 
| [get_network_option()](https://developer.wordpress.org/reference/functions/get_network_option/)`wp-includes/option.php` |

Retrieves a network’s option value based on the option name.

  |

| Used by | Description | 
| [WP_Network::__construct()](https://developer.wordpress.org/reference/classes/wp_network/__construct/)`wp-includes/class-wp-network.php` |

Creates a new [WP_Network](https://developer.wordpress.org/reference/classes/wp_network/) object.

  |

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

| Version | Description | 
| [4.4.0](https://developer.wordpress.org/reference/since/4.4.0/) | Introduced. |

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