note 7718 deleted from Session handling functions by sniper

I've been studying session documentation and they appear to be able to assist with solving a number of problems related to the stateless nature of the http protocol, in particular, the following two areas; i) Security Ensuring all MySQL inserts are performed by authenticated users only based on $user $pswd & $remoteipaddress. ii) Avoiding duplicate MySQL (or other db) inserts users are likely to click on the back or reload buttons, if they have not received a page telling them that their insert has been succesful. If they do this and try to 'repost' data that has already been inserted an error should be raised.