get_main_site_id( int $network_id = null )
Gets the main site ID.
Description Description
Parameters Parameters
- $network_id
-
(int) (Optional) The ID of the network for which to get the main site. Defaults to the current network.
Default value: null
Return Return
(int) The ID of the main site.
Source Source
File: wp-includes/functions.php
function get_main_site_id( $network_id = null ) {
if ( ! is_multisite() ) {
return get_current_blog_id();
}
$network = get_network( $network_id );
if ( ! $network ) {
return 0;
}
return $network->site_id;
}
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Changelog Changelog
| Version | Description |
|---|---|
| 4.9.0 | Introduced. |