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Feature-84581-SiteHandling.rst

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Feature: #84581 - Introduce Site Handling

See :issue:`84581`

Description

Site Handling has been added to TYPO3.

Its goal is to make managing multiple sites easier to understand and faster to do. Sites bring a variety of new concepts to TYPO3 which we will explain below.

Take your time and read through the entire document since some concepts rely on each other.

typo3conf/sites folder

New sites will live in the folder typo3conf/sites/. In the first iteration this folder will contain a file called config.yaml which holds all configuration for a given site.

In the future this folder can (and should) be used for more files like Fluid templates, and Backend layouts.

config.yaml

site:
  # the rootPage Id (see below)
  rootPageId: 12
  # my base domain to run this site on. It either accepts a fully qualified URL or "/" to react to any domain name
  base: 'https://www.example.com/'
  # The language array
  languages:
    -
      # the TYPO3 sys_language_uid as you know it since... ever
      languageId: '0'
      # The internal name for this language. Unused for now, but in the future this will affect display in the backend
      title: English
      # optional navigation title which is used in HMENU.special = language
      navigationTitle: ''
      # Language base. Accepts either a fully qualified URL or a path segment like "/en/".
      base: /
      # sets the locale during frontend rendering
      locale: en_US.UTF8
      # ???
      iso-639-1: en
      # FE href language
      hreflang: en-US
      # FE text direction
      direction: ltr
      # Language Identifier to use in localLang XLIFF files
      typo3Language: default
      # Flag Identifier
      flag: gb
    -
      languageId: '1'
      title: 'danish'
      navigationTitle: Dansk
      base: /da/
      locale: dk_DK.UTF8
      iso-639-1: da
      hreflang: dk-DK
      direction: ltr
      typo3Language: default
      flag: dk
      fallbackType: strict
    -
      languageId: '2'
      title: Deutsch
      navigationTitle: ''
      base: 'https://www.beispiel.de'
      locale: de_DE.UTF-8
      iso-639-1: de
      hreflang: de-DE
      direction: ltr
      typo3Language: de
      flag: de
      # Enable content fallback
      fallbackType: fallback
      # Content fallback mode (order is important)
      fallbacks: '2,1,0'
  # Error Handling Array (order is important here)
  # Error Handlers will check the given status code, but the special value "0" will react to any error not configured
  # elsewhere in this configuration.
  errorHandling:
    -
      # HTTP Status Code to react to
      errorCode: '404'
      # The used ErrorHandler. In this case, it's "Display content from Page". See examples below for available options.
      errorHandler: Page
      # href to the content source to display (accepts both fully qualified URLs as well as TYPO3 internal link syntax
      errorContentSource: 't3://page?uid=8'
    -
      errorCode: '401'
      errorHandler: Fluid
      # Path to the Template File to show
      errorFluidTemplate: 'EXT:my_extension/Resources/Private/Templates/ErrorPages/401.html'
      # Optional Templates root path
      errorFluidTemplatesRootPath: 'EXT:my_extension/Resources/Private/Templates/ErrorPages'
      # Optional Layouts root path
      errorFluidLayoutsRootPath: 'EXT:my_extension/Resources/Private/Layouts/ErrorPages'
      # Optional Partials root path
      errorFluidPartialsRootPath: 'EXT:my_extension/Resources/Private/Partials/ErrorPages'
    -
      errorCode: '0'
      errorHandler: PHP
      # Fully qualified class name to a class that implements PageErrorHandlerInterface
      errorPhpClassFQCN: Vendor\ExtensionName\ErrorHandlers\GenericErrorhandler

All settings can also be edited via the backend module Site Management > Configuration.

Keep in mind that due to the nature of the module, comments or additional values in your :file:`config.yaml` file will get deleted on saving.

site identifier

The site identifier is the name of the folder within typo3conf/sites/ that will hold your configuration file(s). When choosing an identifier make sure to stick to ASCII but you may also use -, _ and . for convenience.

rootPageId

Root pages are identified by one of these two properties:

  • they are direct descendants of PID 0 (the root root page of TYPO3)
  • they have the "Use as Root Page" property in pages set to true.

Impact

The following TypoScript settings will be set based on config.yaml rather than needing to have them in your TypoScript template:

  • config.language
  • config.htmlTag_dir
  • config.htmlTag_langKey
  • config.sys_language_uid
  • config.sys_language_mode
  • config.sys_language_isocode
  • config.sys_language_isocode_default

Links to pages within a site can now be generated via any access of TYPO3, so in both BE and FE as well as CLI mode.

.. index:: Backend, Frontend, TypoScript