is_main_network( int $network_id = null ): bool
Determines whether a network is the main network of the Multisite installation.
Parameters
-
$network_idint Optional -
Network ID to test. Defaults to current network.
Default:
null
Return
bool True if $network_id is the main network, or if not running Multisite.
Source
File: wp-includes/functions.php.
View all references
function is_main_network( $network_id = null ) {
if ( ! is_multisite() ) {
return true;
}
if ( null === $network_id ) {
$network_id = get_current_network_id();
}
$network_id = (int) $network_id;
return ( get_main_network_id() === $network_id );
}
Changelog
| Version | Description |
|---|---|
| 3.7.0 | Introduced. |