With this function you can calculate the age of a person

Example:
echo "Age is: " . age("1984-07-05");

Result will be (23 Feb 2005) = "Age is: 20"

Get the count of records from DB

Generate multi select box from data in db, then when submitted, each selection is written to a db table as it's own record, each tied together by a common record id.

Display contents of a folder, see comments in code.

Pull items from a mysql db table and display in the following format-
item1, item2, item3

In the example code, the query will return all items that have the color "red" specified in the db.

Mass email list of email addresses from a mysql db table.

Highlight table row on rollover.