WPDev.one
Core Function
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is_main_site()

is_main_site( mixed $site_id = null, mixed $network_id = null )

Determines whether a site is the main site of the current network.

Parameters 1 required

Name / Type Description
$site_id
int

Optional. Site ID to test. Defaults to current site.

int

$network_id Optional. Network ID of the network to check for. Defaults to current network.

Required

Return Value

(bool)
bool True if $site_id is the main site of the network, or if not running Multisite.

Function Information

Since Version
3.0.0
Source File
wp-includes/functions.php
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