Symfony get error when implement 2 interfaces

Question

Hello I have an Entity user, i want to implements UserInterface and ObjectManagerAware like this :

format('Y-m-d H:i:s');

        $this->setUsername($username);
        if ($this->getId() == null) {
            $this->setIsActive(true);
            $this->setCreatedAt($nowText);
            $this->setModifiedAt($nowText);
        } else {
            $this->setModifiedAt($nowText);
        }
    }

    public function getId()
    {
        return $this->Id;
    }

    public function getUsername()
    {
        return $this->username;
    }

    public function getEmail()
    {
        return $this->Email;
    }

    public function getPassword()
    {
        return $this->Password;
    }

    public function getSalt()
    {
        return $this->Salt;
    }

    public function getCreatedAt()
    {
        return $this->CreatedAt;
    }

    public function getModifiedAt()
    {
        return $this->ModifiedAt;
    }

    public function getRoles()
    {
        return [
            'AWARDEE'
        ];
    }

    /*
  public function getUserRole(){
     $userRole = $this->em->getRepository('AppBundle:UserRole')->findOneBy(['UserId'=>$this->Id]);
     return $userRole->getRole();
  }
  */

    public function getRole()
    {
        return $this->Role;
    }

    public function setRole($role)
    {
        $this->Role = $role;
    }

    public function getFullname()
    {
        return $this->Fullname;
    }

    public function getDisplayname()
    {
        return $this->Displayname;
    }

    public function getFirstname()
    {
        return $this->Firstname;
    }

    public function getMiddlename()
    {
        return $this->Middlename;
    }

    public function getLastname()
    {
        return $this->Lastname;
    }

    public function getBirthdate()
    {
        return $this->Birthdate;
    }

    public function getBirthplace()
    {
        return $this->Birthplace;
    }

    public function getGender()
    {
        return $this->Gender;
    }

    public function getGenderName()
    {
        if ($this->Gender == 1) {
            return 'Laki-laki';
        } elseif ($this->Gender == 2) {
            return 'Perempuan';
        }

    }

    public function getJob()
    {
        return $this->Job;
    }

    public function getIdNumber()
    {
        return $this->IdNumber;
    }

    public function getIsActive()
    {
        return $this->IsActive;
    }

    public function getNotes()
    {
        return $this->Notes;
    }

    public function getPlainPassword()
    {
        return $this->plainPassword;
    }

    public function getNikNumber()
    {
        return $this->NikNumber;
    }

    public function eraseCredentials()
    {

    }

    public function setUsername($username)
    {
        $this->username = $username;
    }

    public function setEmail($email)
    {
        $this->Email = $email;
    }

    public function setPlainPassword($password)
    {
        $this->plainPassword = $password;
    }

    public function setPassword($password)
    {
        $this->Password = $password;
    }

    public function setSalt($item)
    {
        $this->Salt = $item;
    }

    public function setCreatedAt($item)
    {
        $this->CreatedAt = $item;
    }

    public function setModifiedAt($item)
    {
        $this->ModifiedAt = $item;
    }

    public function setFullname($item)
    {
        $this->Fullname = $item;
    }

    public function setDisplayname($item)
    {
        $this->Displayname = $item;
    }

    public function setFirstname($item)
    {
        $this->Firstname = $item;
    }

    public function setMiddlename($item)
    {
        $this->Middlename = $item;
    }

    public function setLastname($item)
    {
        $this->Lastname = $item;
    }

    public function setBirthdate($item)
    {
        $this->Birthdate = $item;
    }

    public function setBirthplace($item)
    {
        $this->Birthplace = $item;
    }

    public function setGender($item)
    {
        $this->Gender = $item;
    }

    public function setJob($item)
    {
        $this->Job = $item;
    }

    public function setIdNumber($item)
    {
        $this->IdNumber = $item;
    }

    public function setIsActive($item)
    {
        $this->IsActive = $item;
    }

    public function setNotes($item)
    {
        $this->Notes = $item;
    }

    public function setNikNumber($item)
    {
        $this->NikNumber = $item;
    }

    public function injectObjectManager(ObjectManager $objectManager, ClassMetadata $classMetadata)
    {
        $this->em = $objectManager;
    }
}

I need ObjectManagerAware to add custom query function in this entity.

but i Got error :

HTTP 500 Internal Server Error
Serialization of 'Closure' is not allowed

I only got error when I access in logged in user, but if I logout, web not error

Why I got error, and how to solve it?

Iwan Wijaya · Accepted Answer

It looks like Symfony tries to serialize an entire User object into the session and some of the fields are not serializable. You should implement \serializable interface and add only important fields to the serialize method.

class User implements UserInterface, ObjectManagerAware, \Serializable 

{
  ...
public function serialize()
{
    return serialize(array(
        $this->id,
        $this->username,
        $this->password
    ));
}


public function unserialize($serialized)
{
    list (
        $this->id,
        $this->username,
        $this->password
    ) = unserialize($serialized, array('allowed_classes' => false));
}

Full example from the docs
Read more about it here and here.

Symfony get error when implement 2 interfaces

Answers (1)

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