get_main_site_id( int $network_id = null ): int

Parameters

$network_idintoptional

The ID of the network for which to get the main site. Defaults to the current network.Default: null

Return

int

The ID of the main site.

Uses · 3

• is_multisite()Determines whether Multisite is enabled.
• get_current_blog_id()Retrieves the current site ID.
• get_network()Retrieves network data given a network ID or network object.

Used by · 2

• is_main_site()Determines whether a site is the main site of the current network.
• ms_load_current_site_and_network()Identifies the network and site of a requested domain and path and populates the corresponding network and site global objects as part of the multisite bootstrap process.

Source

View on Trac ↗View on GitHub ↗

6423function get_main_site_id( $network_id = null ) {6424	if ( ! is_multisite() ) {6425		return get_current_blog_id();6426	}6427 6428	$network = get_network( $network_id );6429	if ( ! $network ) {6430		return 0;6431	}6432 6433	return $network->site_id;6434}

History

Introduced in 4.9.0. Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

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