Core Function
View Source on Trac ↗ get_main_site_id()
get_main_site_id( mixed $network_id = null ) Gets the main site ID.
Parameters 1 required
| Name / Type | Description |
|---|---|
| int | $network_id Optional. The ID of the network for which to get the main site. Defaults to the current network. Required |
Return Value
(int)
The ID of the main site.
Function Information
Since Version
4.9.0
Source File
wp-includes/functions.php
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