get_network() WordPress Function

function get_network( $network = null ) {
	global $current_site;
	if ( empty( $network ) && isset( $current_site ) ) {
		$network = $current_site;
	}

	if ( $network instanceof WP_Network ) {
		$_network = $network;
	} elseif ( is_object( $network ) ) {
		$_network = new WP_Network( $network );
	} else {
		$_network = WP_Network::get_instance( $network );
	}

	if ( ! $_network ) {
		return null;
	}

	/**
	 * Fires after a network is retrieved.
	 *
	 * @since 4.6.0
	 *
	 * @param WP_Network $_network Network data.
	 */
	$_network = apply_filters( 'get_network', $_network );

	return $_network;
}
Uses	Description
wp-includes/ms-network.php:get_network	Fires after a network is retrieved.
wp-includes/class-wp-network.php:WP_Network::__construct()	Create a new WP_Network object.
wp-includes/class-wp-network.php:WP_Network::get_instance()	Retrieve a network from the database by its ID.
wp-includes/plugin.php:apply_filters()	Calls the callback functions that have been added to a filter hook.
Used By	Description
wp-includes/ms-functions.php:wpmu_new_site_admin_notification()	Notifies the Multisite network administrator that a new site was created.
wp-includes/ms-site.php:wp_initialize_site()	Runs the initialization routine for a given site.
wp-includes/embed.php:get_oembed_response_data_for_url()	Retrieves the oEmbed response data for a given URL.
wp-includes/functions.php:get_main_site_id()	Gets the main site ID.
wp-includes/load.php:get_current_network_id()	Retrieves the current network ID.
wp-includes/class-wp-network-query.php:WP_Network_Query::get_networks()	Gets a list of networks matching the query vars.
wp-includes/functions.php:get_main_network_id()	Get the main network ID.
wp-admin/includes/class-wp-ms-sites-list-table.php:WP_MS_Sites_List_Table::handle_row_actions()	Generates and displays row action links.
wp-admin/includes/class-wp-ms-users-list-table.php:WP_MS_Users_List_Table::column_blogs()	Handles the sites column output.
wp-includes/user.php:retrieve_password()	Handles sending a password retrieval email to a user.
wp-signup.php:signup_another_blog()	Shows a form for returning users to sign up for another site.
wp-signup.php:signup_user()	Shows a form for a visitor to sign up for a new user account.
wp-signup.php:show_blog_form()	Generates and displays the Sign-up and Create Site forms.
wp-admin/includes/ms.php:wpmu_delete_blog()	Delete a site.
wp-admin/includes/schema.php:populate_network()	Populate network settings.
wp-admin/includes/schema.php:populate_options()	Create WordPress options and set the default values.
wp-admin/includes/upgrade.php:wp_install_defaults()	Creates the initial content for a newly-installed site.
wp-includes/link-template.php:network_site_url()	Retrieves the site URL for the current network.
wp-includes/link-template.php:network_home_url()	Retrieves the home URL for the current network.
wp-includes/http.php:ms_allowed_http_request_hosts()	Adds any domain in a multisite installation for safe HTTP requests to the allowed list.
wp-includes/admin-bar.php:wp_admin_bar_site_menu()	Adds the “Site Name” menu.
wp-includes/ms-functions.php:add_new_user_to_blog()	Adds a newly created user to the appropriate blog
wp-includes/ms-functions.php:fix_phpmailer_messageid()	Corrects From host on outgoing mail to match the site domain
wp-includes/ms-functions.php:wpmu_welcome_user_notification()	Notifies a user that their account activation has been successful.
wp-includes/ms-functions.php:redirect_this_site()	Ensures that the current site’s domain is listed in the allowed redirect host list.
wp-includes/ms-deprecated.php:install_blog()	Install an empty blog.
wp-includes/ms-functions.php:wpmu_welcome_notification()	Notifies the site administrator that their site activation was successful.
wp-includes/ms-functions.php:wpmu_validate_blog_signup()	Processes new site registrations.
wp-includes/ms-load.php:wp_get_network()	Retrieves an object containing information about the requested network.
wp-includes/ms-load.php:ms_site_check()	Checks status of current blog.
wp-includes/ms-deprecated.php:get_dashboard_blog()	Get the “dashboard blog”, the blog where users without a blog edit their profile data.
wp-includes/ms-blogs.php:get_id_from_blogname()	Retrieves a sites ID given its (subdomain or directory) slug.
wp-includes/ms-default-constants.php:ms_cookie_constants()	Defines Multisite cookie constants.