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Magento Coding Standard
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Magento Coding Standard

A set of Magento rules for PHP_CodeSniffer tool.

Installation within a Magento 2 site

To use within your Magento 2 project you can use:

composer require --dev magento/magento-coding-standard

Due to security, when installed this way the Magento standard for phpcs cannot be added automatically. You can achieve this by adding the following to your project's composer.json:

"scripts": {
    "post-install-cmd": "vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/",
    "post-update-cmd": "vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/"

Installation for development

You can install Magento Coding Standard by cloning this GitHub repo

$ git clone
$ 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

Verify installation

Command should return the list of installed coding standards including Magento2.

$ vendor/bin/phpcs -i


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

$ vendor/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

  1. Start with looking into Community Dashboard. Any ticket in Up for grabs is a good candidate to start.
  2. 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.
  3. 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.


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

$ vendor/bin/phpunit


Each Magento source file included in this distribution is licensed under OSL-3.0 license.

Please see LICENSE.txt for the full text of the Open Software License v. 3.0 (OSL-3.0).

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