Applicable Job Roles: web programmers, and web application developers.

• Review of PHP knowledge (especially array handling and MySQL functions)
• Review of MySQL knowledge
• Good coding practices
• Writing functions: students will develop their own functions to access and query a MySQL database

• Working with arrays: useful PHP functions and how to use them
• Create and populate the database
• Output a simple list of products with images

• Understand the concept of 'statelessness'
• System design: techniques for determining the system flow for the application
• Building a wireframe of the application
• Setting up the coding environment: templates, include files, libraries

• Using sessions in PHP
• Building the cart: adding, removing, and changing quantities
• Viewing the cart

• Future-proofing your code: good practice
• More on sessions: security
• The checkout process: calculate simple shipping and tax, build checkout form

• Validating user input using classes for extensible, re-usable code
• Preparing data for insertion to the database
• Updating the database

• Interfacing with a payment processor for online credit card payments
• Using a class to send emails to merchant and customer
• Security considerations

• Final review of cart
• Error handling
• Enhancing the cart
• Don't Repeat Yourself: using libraries and classes to encapsulate and re-use code