ECS runs PHP-CS-Fixer and PHP_CodeSniffer as a single, parallel fast tool with zero dependencies. Run on PHP 7.2+

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• Updated Nov 12, 2026
• PHP

Slevomat Coding Standard for PHP_CodeSniffer provides many useful sniffs

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• Updated Nov 5, 2026
• PHP

[DEPRECATED] Object Calisthenics rules for PHP_CodeSniffer

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• Updated Jun 23, 2021
• PHP

Development repository for the Symfony coding standard

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• Updated Mar 24, 2026
• PHP

Magento Coding Standard

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• Updated Aug 18, 2026
• PHP

[Deprecated] Use ECS that includes this set with more new rules

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• Updated Jul 12, 2026
• PHP

The coding standard of the Doctrine project.

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• Updated Nov 9, 2026
• PHP

A coding standards for enterprise system

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• Updated Nov 4, 2026
• JavaScript

Nette Coding Standard code checker & fixer

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• Updated Oct 25, 2026
• PHP

👔 DressCode: checks and fixes PHP coding style, and upgrades code to newer PHP and to new versions of libraries. Built on a lossless syntax tree, so it changes only what it touches. PER-CS, PSR-12, Symfony, Nette.

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• Updated Nov 11, 2026
• PHP

phpMyAdmin PHP CodeSniffer Coding Standard

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• Updated Aug 13, 2026

Enforcement kits for BARR-C, Barr Group's Embedded C Coding Standard: clang-format, clang-tidy, compiler gates, CI, and AI-generator context

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• Updated Aug 26, 2026
• Shell

MO4 Coding Standard Rules for Codesniffer based on Symfony Coding Standards.

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• Updated Oct 27, 2026
• PHP

PHP coding standard used in Alma Career projects, but usable anywhere else

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• Updated Nov 21, 2025
• PHP

Webimpress Coding Standard for PHP_CodeSniffer

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• Updated Jan 28, 2026
• PHP

Source code for the https://kcs.library.kary.us

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• Updated Jan 10, 2019

Agent skills (SKILL.md), layered coding standards, a project-wide code audit and optional free/local MCP servers for AI-assisted development: Claude Code, OpenCode, Codex and any agent that reads markdown.

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• Updated Nov 11, 2026
• JavaScript

🧼 A common coding standard for @ramsey's PHP libraries.

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• Updated Oct 12, 2026
• PHP

PHP hard mode

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• Updated Oct 12, 2020

CDN77 Coding Standard, defensive and strict, based on Doctrine standard https://github.com/doctrine/coding-standard

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• Updated Sep 19, 2026
• PHP