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Chapter 2. Building a To-do List Application

We saw in the last chapter a few basics of the FuelPHP framework, but there is still a lot to learn to be comfortable with it. We will create here our first real-world application to dive a little bit deeper into the main FuelPHP features. We will create a to-do list application, a common training example when introducing frameworks. Again, it won't be a very complicated application, but this project will be used as a basis to introduce essential FuelPHP components.

By the end of this chapter, you should know the following:

  • What is a Entity Relationship (ER) diagram
  • What is an profiler and how to use it
  • How to use the Debug class
  • What is an Object Relational Mapper (ORM) and how to use it in your project
  • How to use the basic operations of Model_Crud and Model_Orm
  • The ORM relations
  • What are observers and how to use them
  • How to handle Ajax requests

We will assume here, that you have read Chapter 1, Building Your First FuelPHP Application, as the very basics of the framework have been explained there. We will also use JavaScript and jQuery for improving the to-do list user interface. Since this book is intended for intermediary web developers, we will assume you have some knowledge about these technologies. If this is not the case, don't worry, we will use them very lightly and you can find a lot of resources about these tools on the web.

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