This is filter is used internally, to trigger an email to an administrator when a new (multisite) user requests access.
admin archives
b3_verify_filter_input()
This is a hook which is used (internally) to 'activate' filter validation.
b3_new_wpmu_user_subject_admin()
With this filter you can override the subject of the email sent to administrator(s) when a new (multisite) user registers.
b3_user_cap()
With this filter you can give access to B3's settings to other user roles. Default user cap is manage_options.
b3_before_reject_user()
This hook fires just before a user is deleted (and no more user data is available).
How do I reset everything back to its default settings ?
You can easily reset everything back to factory settings, with a simple checkbox in the admin.
b3_get_submit_button()
A function to echo a submit button for the admin pages, with a possible title override.