Contents (version 1)

Initial concept for this mini-project
PHP script to send an email
Triggering a PHP script when a web page is hit
Triggering a PHP script periodically using crontab
CGI script to list files within a directory
PHP script to list files within a directory
Dates & string handling in PHP
Emails once a day
Using JavaScript to trigger PHP
First prototype
Testing of first prototype
Testing of first prototype (cont.)
Second prototype - pseudocode
Triggering the Expiry Checker
1st working version of the Expiry Checker
Closing remarks

Addendum: version 1.2!
Addendum: there's still a problem!
Addendum: version 1.3!
Addendum: version 1.4!
Addendum: version 1.5!
Addendum: version 1.6!
Addendum: version 1.7!

Version 2