get_id_from_blogname()
Function: Retrieves a site’s ID given its (subdomain or directory) slug.
Source: wp-includes/ms-blogs.php:86
Function: Retrieves a site’s ID given its (subdomain or directory) slug.
Source: wp-includes/ms-blogs.php:86
Function: Gets the sites a user belongs to.
Source: wp-includes/user.php:950