class AccountController
{
	public function signupSubmit() {
		// USING METHOD #1:

		$repo = $this->getEntityManagerService()->getRepository('Mediabin\Model\Entity\User');
		$user = $repo->createUser($username, $password, ... );

		// USING METHOD #2:

		$user = new User($username, $password,...);
		$this->getEntityManagerService()->persist($user);
		$this->getEntityManagerService()->flush();
	}
}

// METHOD #1: CREATE IN THE REPOSITORY

class UserRepository extends EntityRepository // Created by doctrine, have no access to constructor
{
	public function create($username, $password)
	{
		$user = new User();
		$user->setUsername($username)->setPassword($password) ...

		$this->_em->persist($user);
		$this->_em->flush();
		return $user;
	}
}

// METHOD #2: CREATE IN THE ENTITY

class User extends Entity // Created by doctrine, have access to constructor directly, but only on new objects
{
	public function create($username, $password, ...)
	{
		$this->username = $username;
		$this->password = $password; // encrypt here, or in controller?
		$this->registeredDate = new DateTime('now');
	}
}