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 in full color showing how to combine Symfony with Docker, APIs, queues & async tasks, Webpack, Single-Page Applications, etc.

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WARNING: You are browsing the documentation for Symfony 4.0 which is not maintained anymore. Consider upgrading your projects to Symfony 5.1.

The ClassLoader Component

4.0 version
Maintained
3.4
Unmaintained
2.0 2.1 2.7 2.8 3.0 3.1 3.2 3.3 4.1 4.2 4.3

The ClassLoader Component

Caution

The ClassLoader component was removed in Symfony 4.0. As an alternative, use any of the class loading optimizations provided by Composer.

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