..  include:: /Includes.rst.txt

..  _start:
..  _api-overview:

===============
TYPO3 Explained
===============

..  card-grid::
    :columns: 1
    :columns-md: 2
    :gap: 4
    :class: pb-4
    :card-height: 100

    ..  card:: :ref:`API A-Z <api>`

        This chapter describes the core functionality of TYPO3 including API and framework configuration.

    ..  card:: :ref:`Administrations <administration>`

        Including :ref:`Installations <installation>`, :ref:`Upgrades and updates <upgrading>`,
        :ref:`Troubleshooting for administrators <troubleshooting-index>`, and
        :ref:`Backend User Management <user-management>`

    ..  card:: :ref:`Configuration <configuration>`

        Including :ref:`typo3ConfVars`, :ref:`typoscript`, the :ref:`config-module`,
        and :ref:`feature-toggles`

    ..  card:: :ref:`Coding guidelines <cgl>`

        This chapter contains a description of the formal requirements or standards
        regarding coding that you should adhere to when you develop TYPO3
        extensions or Core parts.

    ..  card:: :ref:`Extension development <extension-development>`

        Learn how to write site packages and other custom extension with or
        without Extbase.

    ..  card:: :ref:`PHP architecture <cgl-php-architecture>`

        General PHP architectural strategies in TYPO3 core development and best
        practices for extension developers.

    ..  card:: :ref:`Security guidelines <security>`

        This chapter describes some typical risks and advises how to protect a
        TYPO3 site in order to ensure it is and stays secure and stable.

    ..  card:: :ref:`Automated testing <testing>`

        This chapter goes into details about automatic testing: Writing,
        maintaining and running them in various scopes.

..  toctree::
    :maxdepth: 1
    :hidden:

    Introduction/Index
    ApiOverview/Index
    Administration/Index
    Configuration/Index
    CodingGuidelines/Index
    ExtensionArchitecture/Index
    PhpArchitecture/Index
    Security/Index
    Testing/Index

..  toctree::
    :hidden:

    About
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