User.php

<?php

namespace App\Domain;

use Symfony\Component\Uid\Uuid;

final class User
{
    private UserId $userId;

    private string $name;
    private string $age;

    private function __construct()
    {
    }

    public static function create(string $name, int $age): self
    {
        $user = new self();

        $user->userId = Uuid::v4()->__toString();
        $user->name = $name;
        $user->age = $age;
        
        return $user;
    }

    public function getUserId(): UserId
    {
        return $this->userId;
    }

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

    public function getAge(): string
    {
        return $this->age;
    }
}

public function create(string $name, int $age): self : is not a static function but it's called as static function in execute() function in CreateAUserHandler.php class

public function create(string $name, int $age): self : is not a static function but it's called as static function in execute() function in CreateAUserHandler.php class

Bien Vu merci