Carview!

Constructor.

Parameters

$site_idintoptional: Site ID to initialize roles for. Default is the current site.
Default:null

public function __construct( $site_id = null ) {
	global $wp_user_roles;
	$this->use_db = empty( $wp_user_roles );
	$this->for_site( $site_id );
}

Uses	Description
WP_Roles::for_site()`wp-includes/class-wp-roles.php`	Sets the site to operate on. Defaults to the current site.

Used by	Description
wp_initialize_site()`wp-includes/ms-site.php`	Runs the initialization routine for a given site.
wp_roles()`wp-includes/capabilities.php`	Retrieves the global WP_Roles instance and instantiates it if necessary.
install_blog()`wp-includes/ms-deprecated.php`	Install an empty blog.

Version	Description
4.9.0	The `$site_id` argument was added.
2.0.0	Introduced.