Magento Coding Standard

A set of Magento rules for PHP_CodeSniffer tool.

Installation

For development puposes you can install Magento Coding Standard by cloning this GitHub repo

$ git clone git@github.com:magento/magento-coding-standard.git
$ cd magento-coding-standard
$ composer install

It is possible also to install a standalone application via Composer

$ composer create-project magento/magento-coding-standard --stability=dev magento-coding-standard

Or require magento/magento-coding-standard inside your project using composer require command.

Verify installation

Command should return the list of installed coding standards including Magento.

$ bin/phpcs -i

Usage

Once installed, you can run phpcs from the command-line to analyse your code MyAwesomeExtension

$ bin/phpcs --standard=Magento app/code/MyAwesomeExtension

Where to contribute

Documentation of existing rules. See ExtDN PHP CodeSniffer rules for Magento 2 as a good example.
Bug fixes and improvements of existing rules.
Creation of new PHP CodeSniffer rules.
Discussions on new rules (through periodic hangouts or discussions per GitHub issue).

How to contribute

Start with looking into Community Dashboard. Any ticket in Up for grabs is a good candidate to start.
Didn't satisfy your requirements? Create one of three types of issues:
- Bug report - Found a bug in the code? Let us know!
- Existing rule enhancement - Know how to improve existing rules? Open an issue describe how to enhance Magento Coding Standard.
- New rule proposal - Know how to improve Magento ecosystem code quality? Do not hesitate to open a proposal.
The issue will appear in the Backlog column of the Community Dashboard. Once it will be discussed and get Accepted label the issue will appear in the Up for grabs column.

Testing

All rules should be covered by unit tests. Each Test.php class should be accompanied by a Test.inc file to allow for unit testing based upon the PHP CodeSniffer parent class AbstractSniffUnitTest. You can verify your code by running

$ bin/phpunit