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get_blog_count( int|null $network_id = null )

The number of active sites on your installation.

Description

The count is cached and updated twice daily. This is not a live count.

Parameters

$network_id

(int|null) (Optional) ID of the network. Default is the current network.

Default value: null

Return

(int) Number of active sites on the network.

Source

File: wp-includes/ms-functions.php 

function get_blog_count( $network_id = null ) {
	return get_network_option( $network_id, 'blog_count' );
}

Uses

Uses Description
wp-includes/option.php: get_network_option()

Retrieves a network’s option value based on the option name.

Used By

Used By Description
wp-admin/includes/class-wp-debug-data.php: WP_Debug_Data::debug_data()

Static function for generating site debug data when required.
wp-admin/includes/dashboard.php: wp_network_dashboard_right_now()
wp-includes/update.php: wp_version_check()

Check WordPress version against the newest version.
wp-includes/ms-functions.php: wp_is_large_network()

Whether or not we have a large network.
wp-includes/ms-functions.php: get_sitestats()

Gets the network’s site and user counts.

Changelog

Version Description
MU (3.0.0) MU (3.0.0)
4.8.0 The $network_id parameter is now being used.
3.7.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/get_blog_count