PHP Unit Testing with PHPUnit

# Clone the repository
git clone https://github.com/example/php-16-php-unit-testing-with-phpunit
cd php-16-php-unit-testing-with-phpunit

# Start local server
php -S localhost:8000

<?php
declare(strict_types=1);

namespace App;

class PHPService
{
    private \PDO $db;

    public function __construct(\PDO $db)
    {
        $this->db = $db;
    }

    public function findAll(): array
    {
        $stmt = $this->db->query("SELECT * FROM items ORDER BY created_at DESC");
        return $stmt->fetchAll(\PDO::FETCH_ASSOC);
    }

    public function create(array $data): int
    {
        $stmt = $this->db->prepare(
            "INSERT INTO items (title, content, status) VALUES (:title, :content, :status)"
        );
        $stmt->execute([
            ':title'   => htmlspecialchars($data['title']),
            ':content' => htmlspecialchars($data['content']),
            ':status'  => $data['status'] ?? 'draft',
        ]);
        return (int) $this->db->lastInsertId();
    }

    public function update(int $id, array $data): bool
    {
        $stmt = $this->db->prepare(
            "UPDATE items SET title = :title, content = :content WHERE id = :id"
        );
        return $stmt->execute([
            ':id'      => $id,
            ':title'   => htmlspecialchars($data['title']),
            ':content' => htmlspecialchars($data['content']),
        ]);
    }
}
?>

CREATE TABLE items (
    id INT AUTO_INCREMENT PRIMARY KEY,
    title VARCHAR(255) NOT NULL,
    content TEXT,
    status ENUM('draft', 'published', 'archived') DEFAULT 'draft',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_status (status)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;