A simple sign-in script with signature pad to keep records in your database of the attendants for your classes.
The script keep a BLOB image associated to the sign-in record and send a copy to your email for your reference. It has an admin Dashboard to edit/erase records as well as check the number of attendants. It can be easily modify to limit the number of registrations allowed for a date, in case of special restrictions for your country.
PHP version: 7.3.18
Please edit the config.php values to match your database details and the data you need to customize there (title, description, terms...).
Run the query signup.txt on your database to create the neccesary tables