Framework

• Asset Management

  Managing assets (JavaScript, CSS) in the front end.

• Asynchronous Messaging

  Asynchronous Messaging using the Symfony Messenger integration

• Back End Modules

  Writing a back end module for Contao

• Caching

  HTTP caching in Contao

• Content Elements

  Contao's fundamental content blocks.

• Content Security Policy

  Contao's Content Security Policy framework.

• Cron

  Contao's cron functionality.

• Data Container Array

  Configuration of tables and record editing.

• Filesystem

  Working with files in Contao.

• Form Widgets

  How to develop custom input widgets for forms in the back end and front end.

• Front End Modules

  Complex functionalities within your web pages.

• Hooks

  Extending front end and back end functionality.

• Image Processing

  Processing and resizing of image files and creation of responsive images.

• Insert Tags

  Integrate specific content into any place in Contao.

• Logging

  Use Monolog and custom log channels in Contao.

• Maintenance Module

  Implementing a custom module for the maintenance section in the back end.

• Manager Plugin

  A class that allows third party bundles and application developers to configure a Contao Managed Edition.

• Migrations

  Database migrations and general purpose migration scripts.

• Models

  Read objects from and write them to the database

• Page Controllers

  Implementing Contao page types as controllers.

• Profiler

  Symfony's profiler in Contao.

• Request Tokens (CSRF Protection)

  CSRF protection in Contao

• Response Context

  The Response Context is a concept special to Contao.

• Routing

  Routing in Contao

• Search Indexing

  How to work with Contao's built-in search indexer abstraction.

• Security

  Contao's Symfony Security implementation.

• Templates

  Contao's template engine.

• Translations

  How to create translations within the Contao framework.