Reference Documents

Configuration Options

Ever wondered what configuration options you have available to you in config/packages/*.yaml files? In this section, all the available configuration is broken down by the key (e.g. framework) that defines each possible section of your Symfony configuration.

• framework
• doctrine
• security
• twig
• monolog
• web_profiler
• debug

Forms and Validation

• Form Field Type Reference
• Validation Constraints Reference
• Twig Template Function and Variable Reference

Format Specifications

• YAML
• XLIFF
• ICU MessageFormat
• Expression Language

Others

• Configuring the Kernel
• Twig Extensions (forms, filters, tags, etc) Reference
• Built-in Symfony Service Tags
• Symfony Attributes Overview
• Built-in Symfony Events