756c0e619c
The callbacks returned by `make_before_block_visitor` and `make_after_block_visitor`, respectively, (which are passed as arguments to `traverse_and_serialize_block(s)`) currently accept three arguments, all of which are block arrays (i.e. with properties `blockName`, `attrs`, etc.): - A ''reference'' to the block they're currently visiting, `&$block`; - the block's `$parent_block`; and - the `$prev`ious block (for `make_before_block_visitor`), or the `$next` block (for `make_after_block_visitor`), respectively. Those arguments are passed to the "block visitor" callbacks by `traverse_and_serialize_block(s)` during traversal. The block that the callback is currently visiting is passed ''by reference'' to allow modifying it, which is e.g. used to inject the `theme` attribute into Template Part blocks. One major limitation of Block Hooks is that they currently only work with templates, parts, and patterns that ''don't have any user modifications'' (i.e. that come straight from the corresponding theme files, rather than from the database). For WordPress 6.5, it is planned to change that to make Block Hooks work for templates, parts, and patterns that ''do'' have user modifications: #59646. This will be implemented by storing an attribute on the "anchor" block. While working on that feature, it was found that the aforementioned callbacks will need to modify not only the currently visited `$block`, but also the `$parent_block` -- i.e. that the latter argument needs to be passed by reference as well. This is consistent with the requirement of adding an attribute to an anchor block, as it's not only the currently visited block that can serve as an anchor block (in the case of `before` or `after` sibling insertion), but also its parent (for `first_child` and `last_child` insertion). If the `$parent_block` argument were to be changed to become a reference in a later WordPress version, this could be considered a backwards-compatibility breaking change. For this reason, this change is instead proposed for 6.4 already, which is the cycle during which the relevant functions were first introduced. This should have no impact on existing code, since nothing currently relies on `$parent_block` remaining unmodified by the respective callback, nor is anything currently modifying that argument. Reviewed by hellofromTonya. Merges [57038] to the 6.4 branch. Props hellofromTonya. Fixes #59776. git-svn-id: https://develop.svn.wordpress.org/branches/6.4@57039 602fd350-edb4-49c9-b593-d223f7449a82
WordPress
Welcome to the WordPress development repository! Please check out the contributor handbook for information about how to open bug reports, contribute patches, test changes, write documentation, or get involved in any way you can.
Getting Started
Using GitHub Codespaces
To get started, create a codespace for this repository by clicking this 👇
A codespace will open in a web-based version of Visual Studio Code. The dev container is fully configured with softwares needed for this project.
Note: Dev containers is an open spec which is supported by GitHub Codespaces and other tools.
In some browsers the keyboard shortcut for opening the command palette (Ctrl/Command + Shift + P) may collide with a browser shortcut. The command palette can be opened via the F1 key or via the cog icon in the bottom left of the editor.
When opening your codespace, be sure to wait for the postCreateCommand to finish running to ensure your WordPress install is successfully set up. This can take a few minutes.
Local development
WordPress is a PHP, MySQL, and JavaScript based project, and uses Node for its JavaScript dependencies. A local development environment is available to quickly get up and running.
You will need a basic understanding of how to use the command line on your computer. This will allow you to set up the local development environment, to start it and stop it when necessary, and to run the tests.
You will need Node and npm installed on your computer. Node is a JavaScript runtime used for developer tooling, and npm is the package manager included with Node. If you have a package manager installed for your operating system, setup can be as straightforward as:
- macOS:
brew install node - Windows:
choco install nodejs - Ubuntu:
apt install nodejs npm
If you are not using a package manager, see the Node.js download page for installers and binaries.
Note: WordPress currently only officially supports Node.js 16.x and npm 8.x.
You will also need Docker installed and running on your computer. Docker is the virtualization software that powers the local development environment. Docker can be installed just like any other regular application.
Development Environment Commands
Ensure Docker is running before using these commands.
To start the development environment for the first time
Clone the current repository using git clone https://github.com/WordPress/wordpress-develop.git. Then in your terminal move to the repository folder cd wordpress-develop and run the following commands:
npm install
npm run build:dev
npm run env:start
npm run env:install
Your WordPress site will be accessible at http://localhost:8889. You can see or change configurations in the .env file located at the root of the project directory.
To watch for changes
If you're making changes to WordPress core files, you should start the file watcher in order to build or copy the files as necessary:
npm run dev
To stop the watcher, press ctrl+c.
To run a WP-CLI command
npm run env:cli -- <command>
WP-CLI has many useful commands you can use to work on your WordPress site. Where the documentation mentions running wp, run npm run env:cli -- instead. For example:
npm run env:cli -- help
To run the tests
These commands run the PHP and end-to-end test suites, respectively:
npm run test:php
npm run test:e2e
To restart the development environment
You may want to restart the environment if you've made changes to the configuration in the docker-compose.yml or .env files. Restart the environment with:
npm run env:restart
To stop the development environment
You can stop the environment when you're not using it to preserve your computer's power and resources:
npm run env:stop
To start the development environment again
Starting the environment again is a single command:
npm run env:start
Credentials
These are the default environment credentials:
- Database Name:
wordpress_develop - Username:
root - Password:
password
To login to the site, navigate to http://localhost:8889/wp-admin.
- Username:
admin - Password:
password
Note: With Codespaces, open the portforwarded URL from the ports tab in the terminal, and append /wp-admin to login to the site.
To generate a new password (recommended):
- Go to the Dashboard
- Click the Users menu on the left
- Click the Edit link below the admin user
- Scroll down and click 'Generate password'. Either use this password (recommended) or change it, then click 'Update User'. If you use the generated password be sure to save it somewhere (password manager, etc).