title Miscellaneous - Symfony Certification Preparation List Back to index Miscellaneous Error handling How to Customize Error Pages - symfony.com Code debugging The Debug Component - symfony.com Deployment best practices How to Deploy a Symfony Application - symfony.com Process and Serializer components The Process Component - symfony.com The Serializer Component - symfony.com How to Use the Serializer - symfony.com Data collectors How to Create a custom Data Collector - symfony.com Web Profiler and Web Debug Toolbar Internationalization and localization Internationalization - symfony.com Translations - symfony.com Using the Translator - symfony.com