Drupal Coding Standards

Always run PHPCS before committing. Never skip static analysis. Use declare(strict_types=1) in every PHP file. Prefer final classes unless explicitly designed for extension. Avoid deep nesting — use guard clauses and early returns.

Validation Commands

# Check coding standards.
./vendor/bin/phpcs --standard=Drupal,DrupalPractice web/modules/custom/my_module/

# Auto-fix standards issues.
./vendor/bin/phpcbf --standard=Drupal web/modules/custom/my_module/

# Static analysis.
./vendor/bin/phpstan analyse web/modules/custom/my_module/

# Deprecation check.
drupal-check web/modules/custom/my_module/