PHP
PHP coding standards.
- PHP coding standards
- API documentation and comment standards
- API Documentation Samples
- Namespaces
- Naming standards for services and extending Symfony
- Object-oriented code
- PHP Exceptions
- PSR-4 namespaces and autoloading in Drupal 8
- Temporary placeholders and delimiters
- Use Drupal Unicode functions for strings
- Write E_ALL compliant code
- Drupal SimpleTest coding standards
Accessibility
Accesibility coding standards
CSS
CSS coding standards and best practices.
JavaScript coding standards
JavaScript coding standards and best practices for Drupal.
Markdown
This is currently being discussed.
SQL
SQL best practices for Drupal.
Twig coding standards
Drupal project standards regarding Twig coding
Drupal Markup Style Guide
Standards related to HTML and CSS markup
Spelling
The spelling standard for all Drupal code.
YAML Configuration files
Configuration file standards
Composer package naming conventions
This is WIP documentation for [#2401519].