By François Zaninotto, Fabien Potencier
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Extra resources for A Gentle Introduction to symfony 1.4
You will see the PHP files corresponding to your YAML configuration. You will learn more about the configuration cache later in this chapter. The good news is that if you don’t want to use YAML files, you can still do what the configuration files do by hand, in PHP or via another format (XML, INI, and so on). Throughout this book, you will meet alternative ways to define configuration without YAML, and you will even learn to replace the symfony configuration handlers (in Chapter 19). If you use them wisely, these tricks will enable you to bypass configuration files or define your own configuration format.
Php: This is the very first file included by any request or command. It contains the path to the framework files, and you can change it to use a different installation. See Chapter 19 for advanced usage of this file. yml: This is where you define the access and connection settings to the database (host, login, password, database name, and so on). Chapter 8 will tell you more about it. It can also be overridden at the application level. ini: This file holds a few parameters used by the command line tool, including the project name and the connection settings for distant servers.
That way, future requests don’t need to do the directory scan anymore. This is why you need to clear the cache every time you add or move a class file in your project by calling the symfony cache:clear command (except in the development environment, where symfony clears the cache when it cannot find a class). You will learn more about the cache in Chapter 12, and about the autoloading configuration in Chapter 19. ----------------- Brought to you by Chapter 2: Exploring Symfony’s Code 36 Summary Using an MVC framework forces you to divide and organize your code according to the framework’s conventions.
A Gentle Introduction to symfony 1.4 by François Zaninotto, Fabien Potencier