Outdated TYPO3 Version

This documentation refers to an outdated TYPO3 version - either select a supported version or make sure to use a TYPO3 Extended Long Term Support (ELTS) version to continue getting security updates.

More information about ELTS

Coding: Best practices

This section documents best practices when developing for TYPO3.

• Accessing the database
• Singletons
• Static methods
• Localization
• Unit tests
• Handling deprecation
• Namespaces and class names of user files