Looking for login and checkbox tutorials

[MargateSteve]

Could anyone point me in the direction of a couple of tutorials? I have searched around but as they often give conflicting advice, I wondered if there were any definitive guides?

 

Login System - with simple registration, admin backend, multiple user levels and restrictive access to pages or sections of pages (for example, guest may be blocked from seeing certain pages while only admins would see an 'edit this page' button. One complication I would need to overcome would be that, in addition to user level restrictions, there may be other restrictions such as certain members of different levels may need to access a downloads area.

 

PhpAdmin style checkboxes - the ability to add, delete or edit multiple records based on checkbox selections.

 

Thanks in advance

Steve