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Want to help improve the documentation? Thank you! The documentation files are hosted on GitHub, allowing anyone to propose changes.

The documentation sources are written in Markdown.

How to edit pages

To edit pages, you'll need a GitHub account. Sign up if you don't already have an account

When you spot an error while browsing the documentation, you can quickly edit the right file by clicking on the Improve this page link, right below the title of the page. It's also at the bottom of each page in the footer.

If you want to add new pages or you're already browsing the sources on GitHub, make sure to first select the right branch (2.x or 3.x). Then you can navigate the language folders to find the right directory.

Creating new files

When creating a new file, please respect the existing standards for formatting and file naming. In particular, keep all filenames lowercase, use the .md extension, use dashes (-) instead of underscores (_).

For a new folder to show up in the navigation, there either needs to be an index.md file directly in the directory, or there should be a file with the same name as the directory with the .md extension. For example, in this hypothetical directory structure, new-section and other-section are both in the menu, but hidden-section is not because it does not have an index page:

  • new-section/
    • new-section/index.md
    • new-section/other-page.md
  • other-section.md
  • other-section/
    • other-section/greatness.md
  • hidden-section/
    • hidden-section/secret.md

Important: if a page is not in the menu because it lacks an index page, it is also not included in the search! Always make sure there's a relevant index page.


To set a title and/or meta description, add "front matter" to the top of the file. Front matter is a special block at the top of the page, starting and ending with 3 dashes, containing YAML inside it.

This is strongly encouraged for all files to at the very least set the title as it will be shown in the menu.


title: 'Excellent Documentation'
description: 'This meta data description will be used by search engines.'


To affect the order in the navigation, add a sortorder:


title: 'Excellent Documentation'
description: 'This meta data description will be used by search engines.'
sortorder: 3


Any document without a sortorder will be added after documents with a sortorder, and will use a natural sort based on the filename.


To connect a translation to the original (English) version of the documentation, add a translation entry to the frontmatter. Provide the path, without version or language prefix, like:


title: "Friendly URLs in my language"
translation: "getting-started/friendly-urls"


The name of your file (and thus, the documentation URL) does not have to match the source file, as long as you provide the proper translation key in the front matter.

The application running this documentation site needs to reindex translations before they show up. That's done automatically when a pull request is accepted.

To test if a translation is properly connected, you'll need to run the application on a local environment and execute php docs.php index:translations. See the DocsApp repository for more.


If you're new to git or GitHub, or more of a visual learner, the following screencast (from 2019) will show you how you can edit the documentation with just the browser.