is_main_network( int $network_id = null )
Determine whether a network is the main network of the Multisite installation.
Description Description
Parameters Parameters
- $network_id
-
(int) (Optional) Network ID to test. Defaults to current network.
Default value: null
Return Return
(bool) True if $network_id is the main network, or if not running Multisite.
Source Source
File: wp-includes/functions.php
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 ( $network_id === get_main_network_id() );
}
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Changelog Changelog
| Version | Description |
|---|---|
| 3.7.0 | Introduced. |