giuseppe-trisciuoglio/developer-kit

Comprehensive developer toolkit providing reusable skills for Java/Spring Boot, TypeScript/NestJS/React/Next.js, Python, PHP, AWS CloudFormation, AI/RAG, DevOps, and more.

Quality

90%

Does it follow best practices?

Impact

Pending

No eval scenarios have been run

Securityby

Risky

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paths:: **/*.php

Rule: PHP Naming Conventions

Name: giuseppe-trisciuoglio/developer-kit
Rating: 90.85333333333334 (1 reviews)
Author: giuseppe-trisciuoglio

Context

Standardize identifier naming across PHP projects following PSR-12 conventions to ensure readability and consistency.

Guidelines

Classes, Interfaces, and Traits

Classes: Must use PascalCase (e.g., OrderService, UserRepository)
Interfaces: Must use PascalCase with Interface suffix (e.g., PaymentGatewayInterface)
Traits: Must use PascalCase with Trait suffix (e.g., TimestampableTrait)
Abstract classes: Must use PascalCase with Abstract prefix (e.g., AbstractController)
Enums: Must use PascalCase for type name and PascalCase for backed enum cases

Methods and Functions

Methods: Must use camelCase (e.g., processOrder(), findByEmail())
Functions: Must use snake_case for global/helper functions (e.g., array_flatten())
Boolean methods: Use is, has, can, should prefixes (e.g., isActive(), hasPermission())
Static factory methods: Use descriptive names (e.g., Order::fromRequest(), Money::ofAmount())

Properties and Variables

Properties: Must use camelCase (e.g., $orderTotal, $customerName)
Variables: Must use camelCase (e.g., $maxRetryCount, $isValid)
Constants: Must use UPPER_SNAKE_CASE (e.g., MAX_RETRY_COUNT, DEFAULT_TIMEOUT)
Boolean properties: Use is, has, can prefixes (e.g., $isActive, $hasExpired)

Namespaces

Must follow PSR-4 autoloading standards
Must use PascalCase for each segment (e.g., App\Order\Service)
Must match the directory structure exactly
Vendor namespace first, then module, then layer

Files

One class per file
File name must match the class name exactly (e.g., OrderService.php)

Examples

✅ Good

<?php

declare(strict_types=1);

namespace App\Order\Service;

final class OrderService
{
    private const MAX_RETRY_COUNT = 3;

    public function __construct(
        private readonly OrderRepositoryInterface $orderRepository,
    ) {}

    public function findById(int $orderId): OrderResponse
    {
        // ...
    }

    public function isProcessable(Order $order): bool
    {
        // ...
    }
}

❌ Bad

<?php

namespace app\order;  // Lowercase namespace

class order_service  // Should be PascalCase
{
    private $order_repo;  // Should be camelCase
    const max_retry = 3;  // Should be UPPER_SNAKE_CASE

    public function FindById($Id)  // Should be camelCase
    {
        // ...
    }
}