The number of active users in your installation.
The count is cached and updated twice daily. This is not a live count.
<?php get_user_count() ?>
This function does not accept any parameters
The call to get_user_count<tt> returns the number of active users in a site installation.
<?php
$user_count = get_user_count();
echo "There are currently $user_count users on this site.";
?>
The result of the above example.
Since: 2.7
<tt>get_user_count() is located in wp-includes/ms-functions.php