警告：spl_object_hash（）期望参数1是对象，给出的字符串

Question

我有这个问题“警告：spl_object_hash（）期望参数1是对象，给出的字符串”当我尝试保存我的关系的onetomay实体端时，下面的代码可能会给你一些想法：

<?php 

namespace BackendBundle\Entity; 

use Doctrine\Common\Collections\ArrayCollection; 
use Doctrine\ORM\Mapping as ORM; 


/** 
* BulletinSalaire 
* 
* @ORM\Table(name="bulletin_salaire") 
* @ORM\Entity(repositoryClass="BackendBundle\Repository\BulletinSalaireRepository") 
*/ 
class BulletinSalaire 
{ 
    /** 
    * @var int 
    * 
    * @ORM\Column(name="id", type="integer") 
    * @ORM\Id 
    * @ORM\GeneratedValue(strategy="AUTO") 
    */ 
    private $id; 


    /** 
    * @var \DateTime 
    * 
    * @ORM\Column(name="periode", type="date") 
    */ 
    private $periode; 

    /** 
    * @var string 
    * 
    * @ORM\Column(name="mode_reglement", type="string", length=255) 
    */ 
    private $modeReglement; 

    /** 
    * 
    * @ORM\ManyToOne(targetEntity="Employee", inversedBy="employees", cascade={"persist"}) 
    * @ORM\JoinColumn(name="id_employee", referencedColumnName="id") 
    */ 

    private $employee; 

    /** 
    * 
    * @ORM\OneToMany(targetEntity="LibelleBulletin", mappedBy="bulletinsalaire", cascade={"persist"}) 
    * @ORM\JoinColumn(name="id_libelleBulltin", referencedColumnName="id") 
    */ 

    private $libelleBulletins; 

    public function __construct() 
    { 
     $this->libelleBulletins= new ArrayCollection(); 
    } 

    /** 
    * Get id 
    * 
    * @return int 
    */ 
    public function getId() 
    { 
     return $this->id; 
    } 

    /** 
    * Set libelle 
    * 
    * @param string $libelle 
    * 
    * @return BulletinSalaire 
    */ 
    public function setLibelle($libelle) 
    { 
     $this->libelle = $libelle; 

     return $this; 
    } 

    /** 
    * Get libelle 
    * 
    * @return string 
    */ 
    public function getLibelle() 
    { 
     return $this->libelle; 
    } 

    /** 
    * Set base 
    * 
    * @param integer $base 
    * 
    * @return BulletinSalaire 
    */ 
    public function setBase($base) 
    { 
     $this->base = $base; 

     return $this; 
    } 

    /** 
    * Get base 
    * 
    * @return int 
    */ 
    public function getBase() 
    { 
     return $this->base; 
    } 

    /** 
    * Set retenues 
    * 
    * @param float $retenues 
    * 
    * @return BulletinSalaire 
    */ 
    public function setRetenues($retenues) 
    { 
     $this->retenues = $retenues; 

     return $this; 
    } 

    /** 
    * Get retenues 
    * 
    * @return float 
    */ 
    public function getRetenues() 
    { 
     return $this->retenues; 
    } 

    /** 
    * Set periode 
    * 
    * @param \DateTime $periode 
    * 
    * @return BulletinSalaire 
    */ 
    public function setPeriode($periode) 
    { 
     $this->periode = $periode; 

     return $this; 
    } 

    /** 
    * Get periode 
    * 
    * @return \DateTime 
    */ 
    public function getPeriode() 
    { 
     return $this->periode; 
    } 

    /** 
    * Set modeReglement 
    * 
    * @param string $modeReglement 
    * 
    * @return BulletinSalaire 
    */ 
    public function setModeReglement($modeReglement) 
    { 
     $this->modeReglement = $modeReglement; 

     return $this; 
    } 

    /** 
    * Get modeReglement 
    * 
    * @return string 
    */ 
    public function getModeReglement() 
    { 
     return $this->modeReglement; 
    } 

    /** 
    * @return mixed 
    */ 
    public function getEmployee() 
    { 
     return $this->employee; 
    } 

    /** 
    * @param mixed $employee 
    */ 
    public function setEmployee($employee) 
    { 
     $this->employee = $employee; 
    } 


    /** 
    * @param LibelleBulletin $libellebulletin 
    * @return $this 
    */ 
    public function addLibelleBulletin(LibelleBulletin $libellebulletin) 
    { 
     $this->libelleBulletins[] = $libellebulletin; 
     $libellebulletin->setBulletinSalaire($this); 

     return $this; 
    } 

    /** 
    * @param LibelleBulletin $libellebulletin 
    */ 
    public function removeLibelleBulletin(LibelleBulletin $libellebulletin) 
    { 
     $this->libelleBulletins->removeElement($libellebulletin); 
    } 

    public function getLibelleBulletins() 
    { 
     return $this->libelleBulletins; 
    } 

} 

    /---------------------Entity Many libelle to one bulletin de salaire ----------------/ 
<?php 
/** 
* Created by PhpStorm. 
* User: achouri 
* Date: 17/11/2016 
* Time: 4:05 PM 
*/ 

namespace BackendBundle\Entity; 

use Doctrine\ORM\Mapping as ORM; 


/** 
* BulletinSalaire 
* 
* @ORM\Table(name="libelle_bulletins") 
* @ORM\Entity() 
*/ 

class LibelleBulletin 
{ 
    /** 
    * @var int 
    * 
    * @ORM\Column(name="id", type="integer") 
    * @ORM\Id 
    * @ORM\GeneratedValue(strategy="AUTO") 
    */ 
    private $id; 
    /** 
    * @ORM\ManyToOne(targetEntity="BulletinSalaire", inversedBy="libellebulletins") 
    * @ORM\JoinColumn(nullable=false) 
    */ 
    private $bulletinSalaire; 

    /** 
    * @var string 
    * 
    * @ORM\Column(name="libelle", type="string", length=255) 
    * 
    */ 
    private $libelle; 

    /** 
    * @var int 
    * 
    * @ORM\Column(name="base", type="integer") 
    */ 
    private $base; 

    /** 
    * @var float 
    * 
    * @ORM\Column(name="retenues", type="float") 
    */ 
    private $retenues; 

    /** 
    * @return int 
    */ 
    public function getId() 
    { 
     return $this->id; 
    } 

    /** 
    * @param int $id 
    */ 
    public function setId($id) 
    { 
     $this->id = $id; 
    } 

    /** 
    * @return string 
    */ 
    public function getLibelle() 
    { 
     return $this->libelle; 
    } 

    /** 
    * @param string $libelle 
    */ 
    public function setLibelle($libelle) 
    { 
     $this->libelle = $libelle; 
    } 

    /** 
    * @return int 
    */ 
    public function getBase() 
    { 
     return $this->base; 
    } 

    /** 
    * @param int $base 
    */ 
    public function setBase($base) 
    { 
     $this->base = $base; 
    } 

    /** 
    * @return float 
    */ 
    public function getRetenues() 
    { 
     return $this->retenues; 
    } 

    /** 
    * @param float $retenues 
    */ 
    public function setRetenues($retenues) 
    { 
     $this->retenues = $retenues; 
    } 

    /** 
    * @return mixed 
    */ 
    public function getBulletinSalaire() 
    { 
     return $this->bulletinSalaire; 
    } 

    /** 
    * @param mixed $bulletinSalaire 
    */ 
    public function setBulletinSalaire($bulletinSalaire) 
    { 
     $this->bulletinSalaire = $bulletinSalaire; 
    } 


} 

    /---------------------bulletinsallaireType---------------------------/ 
<?php 

namespace BackendBundle\Form; 

use Symfony\Bridge\Doctrine\Form\Type\EntityType; 
use Symfony\Component\Form\AbstractType; 
use Symfony\Component\Form\FormBuilderInterface; 
use Symfony\Component\OptionsResolver\OptionsResolver; 
use BackendBundle\Form\LibelleBulletinType; 
class BulletinSalaireType extends AbstractType 
{ 
    /** 
    * {@inheritdoc} 
    */ 
    public function buildForm(FormBuilderInterface $builder, array $options) 
    { 
     $builder->add('libelleBulletins',LibelleBulletinType::class,array('label' => '','data_class' => null)) 
      ->add('periode')->add('modeReglement') 
      ->add('employee',EntityType::class,array('attr' => array(
      'class' => 'form-control'), 
      'class' => 'BackendBundle:Employee', 
      'choice_label' => function ($employee) { 
       return $employee->getNom()." ".$employee->getPrenom(); 
      })); 
    } 

    /** 
    * {@inheritdoc} 
    */ 
    public function configureOptions(OptionsResolver $resolver) 
    { 
     $resolver->setDefaults(array(
      'data_class' => 'BackendBundle\Entity\BulletinSalaire' 
     )); 
    } 

    /** 
    * {@inheritdoc} 
    */ 
    public function getBlockPrefix() 
    { 
     return 'backendbundle_bulletinsalaire'; 
    } 


} 
/------------------------libelleBultinType-----------------------/ 
<?php 

namespace BackendBundle\Form; 

use Symfony\Bridge\Doctrine\Form\Type\EntityType; 
use Symfony\Component\Form\AbstractType; 
use Symfony\Component\Form\FormBuilderInterface; 
use Symfony\Component\OptionsResolver\OptionsResolver; 
use BackendBundle\Form\EmployeeType; 
class LibelleBulletinType extends AbstractType 
{ 
    /** 
    * {@inheritdoc} 
    */ 
    public function buildForm(FormBuilderInterface $builder, array $options) 
    { 
     $builder->add('libelle')->add('base')->add('retenues'); 
    } 

    /** 
    * {@inheritdoc} 
    */ 
    public function configureOptions(OptionsResolver $resolver) 
    { 
     $resolver->setDefaults(array(
      'data_class' => 'BackendBundle\Entity\LibelleBulletin' 
     )); 
    } 

    /** 
    * {@inheritdoc} 
    */ 
    public function getBlockPrefix() 
    { 
     return 'backendbundle_libellebulletin'; 
    } 


} 
/----------------------Action du save-----------------/ 
    /** 
    * Creates a new bulletinSalaire entity. 
    * 
    * @Route("/new", name="bulletinsalaire_new") 
    * @Method({"GET", "POST"}) 
    */ 
    public function newAction(Request $request) 
    { 
     $bulletinSalaire = new Bulletinsalaire(); 
     $libellebulletin= new LibelleBulletin(); 
     $form = $this->createForm('BackendBundle\Form\BulletinSalaireType', $bulletinSalaire); 
     $form->handleRequest($request); 

     if ($form->isSubmitted() && $form->isValid()) { 
      $em = $this->getDoctrine()->getManager(); 
      $bulletinSalaire->addLibelleBulletin($libellebulletin); 
      $em->persist($bulletinSalaire); 
      $em->flush($bulletinSalaire); 

      return $this->redirectToRoute('bulletinsalaire_show', array('id' => $bulletinSalaire->getId())); 
     } 

     return $this->render('BackendBundle:bulletinsalaire:new.html.twig', array(
      'bulletinSalaire' => $bulletinSalaire, 
      'form' => $form->createView(), 
     )); 
    } 

Answer 1

由于@xabbuh指出，我们需要看看你如何创建对象。看起来你试图用一个字符串而不是一个对象来设置$ employee或$ libelleBulletins。

这是错误。

$bulletin->setEmployee('some value'); 

这是正确。

$employee = $dm->getRepository('BackendBundle:Employee')->findOneById('employeeId'); 

$bulletin->setEmployee($employee);