This function is a conditional tag to check if the current user has the required permissions to import new users.
<?php check_import_new_users(); ?>
This function does not accept any parameters.
<?php if ( check_import_new_users() ) { // We can import users. } else { // This user doesn't have the required permissions. } ?>
check_import_new_users() is located in wp-admin/includes/ms.php
.