PHP User Model

user.php

class User {
    private $id;
    private $name;
    private $email;
    
    public function __construct(int $id, string $name, string $email) {
        $this->id = $id;
        $this->name = $name;
        $this->email = $email;
    }

    public function getId(): int {
        return $this->id;
    }

    public function getName(): string {
        return $this->name;
    }

    public function getEmail(): string {
        return $this->email;
    }

    public function copyWith(array $updates): self {
        $props = [
            'id' => $this->id,
            'name' => $this->name,
            'email' => $this->email
        ];

        foreach ($updates as $key => $value) {
            if (array_key_exists($key, $props)) {
                $props[$key] = $value;
            }
        }

        return new self($props['id'], $props['name'], $props['email']);
    }

    public static function getById(int $id) {
        // Code to fetch user from the database
        $user = getUserFromDatabase($id); // Placeholder function, replace with actual implementation
        return new self($user['id'], $user['name'], $user['email']);
    }

    public function commit() {
        // Code to update user in the database
        updateUserInDatabase($this->id, $this->name, $this->email); // Placeholder function, replace with actual implementation
    }

    public function toJSON(): string {
        return json_encode([
            'id' => $this->id,
            'name' => $this->name,
            'email' => $this->email
        ]);
    }
}