Creating a password recovery table - Error when inserting a value - php

Question

I have a User class with attributes like id, name, mail, etc.
I'm implementing the password recovery process, so I created a password_recovery table with these columns:
id
user_id
token
createdDate
expiryDate
isExpired
This is my PasswordRecovery Class:
namespace \UserBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;
use Symfony\Component\Validator\Constraints as Assert;
/**
* #ORM\Entity
* #ORM\Table(name="password_recovery")
*/
class PasswordRecovery {
/**
* #ORM\Column(type="integer")
* #ORM\Id
* #ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* #ORM\ManyToOne(targetEntity="User")
* #ORM\JoinColumn(name="user_id", referencedColumnName="id")
*/
private $idUser;
/**
* #ORM\Column(type="string")
*/
private $token;
/**
* #ORM\Column(type="datetime")
* #Assert\DateTime()
*/
private $createdDate;
/**
* #ORM\Column(type="datetime")
* #Assert\DateTime()
*/
private $expireDate;
/**
* #ORM\Column(type="boolean")
*/
private $expired; }
When the user wants to recover his password, he must enter his email. If the mail is in the db, I create a PasswordRecovery Object and store it in the db. This is how I'm doing that: (small part of the code)
if (!empty($resetMail))
{
$recovery = new PasswordRecovery();
$token = bin2hex(openssl_random_pseudo_bytes(16));
$recovery->setToken($token);
$userId = $resetMail->getId();
$recovery->setIdUser($userId);
$recovery->setCreatedDate(new \DateTime('now'));
$expiry = (new \DateTime('now + 1day'));
$recovery->setExpireDate($expiry);
$recovery->setExpired(false);
$em = $this->getDoctrine()->getManager();
$em->persist($recovery);
$em->flush(); }
I got this error:
Catchable Fatal Error: Argument 1 passed to \UserBundle\Entity\PasswordRecovery::setIdUser() must be an instance of \UserBundle\Entity\User, integer given, called in /home/user/project/src/UserBundle/Controller/AccountController.php on line 553 and defined
Why?

Answer 1

You need to use setIdDUser(User). This is a proxy object because it's a reference to another table (entity)
In the same way when you call getIdUser() you will get a proxy object again, which you will have to call getId() on if you want the int value.