Cover of the book Symfony 5: The Fast Track

Symfony 5: The Fast Track is the best book to learn modern Symfony development, from zero to production. +300 pages showcasing Symfony with Docker, APIs, queues & async tasks, Webpack, SPAs, etc.

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WARNING: You are browsing the documentation for Symfony 3.1 which is not maintained anymore. Consider upgrading your projects to Symfony 5.1.

The Config Component

3.1 version
Maintained
3.4 4.4 5.1 current 5.2 dev
Unmaintained
2.7 2.8 3.0 3.1 3.2 3.3 4.0 4.1 4.2 4.3 5.0

The Config Component

The Config component provides several classes to help you find, load, combine, autofill and validate configuration values of any kind, whatever their source may be (YAML, XML, INI files, or for instance a database).

Installation

You can install the component in 2 different ways:

Then, require the vendor/autoload.php file to enable the autoloading mechanism provided by Composer. Otherwise, your application won’t be able to find the classes of this Symfony component.

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.