.. include:: ../Includes.txt .. _api-overview: TYPO3 explained =============== The source is the documentation! (General wisdom) The TYPO3 APIs are first and foremost documented inside of the source scripts. It would be impossible to maintain documentation at more than one location given the fact that things change and sometimes fast. This chapter describes the most important elements of the API. .. toctree:: :titlesonly: :maxdepth: 1 DirectoryStructure/Index Namespaces/Index Autoloading/Index Bootstrapping/Index GlobalValues/Index BackendUserObject/Index Typo3CoreEngine/Index FormEngine/Index Database/Index Internationalization/Index Workspaces/Index Fal/Index CachingFramework/Index SystemLog/Index Logging/Index ErrorAndExceptionHandling/Index SystemRegistry/Index Mail/Index Services/Index Authentication/Index FormProtection/Index FlashMessages/Index Categories/Index Collections/Index Enumerations/Index Http/Index Icon/Index Hooks/Index Xclasses/Index FeatureToggles/Index JavaScript/Index SoftReferences/Index SessionStorageFramework/Index Rte/Index TypoScriptSyntax/Index PageTypes/Index UserSettingsConfiguration/Index ExtensionScanner/Index Examples/Index