PHP code example of doctrine / doctrine-zend-hydrator

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

doctrine / doctrine-zend-hydrator example snippets

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($objectManager);

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class City
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\Column(type="string", length=48)
     */
    protected $name;

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

    public function setName($name)
    {
        $this->name = $name;
    }

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

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($entityManager);
$city = new City();
$data = [
    'name' => 'Paris',
];

$city = $hydrator->hydrate($data, $city);

echo $city->getName(); // prints "Paris"

$dataArray = $hydrator->extract($city);
echo $dataArray['name']; // prints "Paris"

namespace Application\Entity;

use DateTime;
use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class Appointment
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\Column(type="datetime")
     */
    protected $time;

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

    public function setTime(DateTime $time)
    {
        $this->time = $time;
    }

    public function getTime()
    {
        return $this->time;
    }
}

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($entityManager);
$appointment = new Appointment();
$data = [
    'time' => '1357057334',
];

$appointment = $hydrator->hydrate($data, $appointment);

echo get_class($appointment->getTime()); // prints "DateTime"

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class User
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\Column(type="string", length=48)
     */
    protected $username;

    /**
     * @ORM\Column(type="string")
     */
    protected $password;

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

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

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

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

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

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class BlogPost
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\ManyToOne(targetEntity="Application\Entity\User")
     */
    protected $user;

    /**
     * @ORM\Column(type="string")
     */
    protected $title;

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

    public function setUser(User $user)
    {
        $this->user = $user;
    }

    public function getUser()
    {
        return $this->user;
    }

    public function setTitle($title)
    {
        $this->title = $title;
    }

    public function getTitle()
    {
        return $this->title;
    }
}

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($entityManager);
$blogPost = new BlogPost();
$data = [
    'title' => 'The best blog post in the world!',
    'user'  => [
        'id' => 2, // Written by user 2
    ],
];

$blogPost = $hydrator->hydrate($data, $blogPost);

echo $blogPost->getTitle(); // prints "The best blog post in the world!"
echo $blogPost->getUser()->getId(); // prints 2

$data = [
    'title' => 'The best blog post in the world!',
    'user'  => [
        'id' => 2, // Written by user 2
    ],
];

$data = [
    'title' => 'The best blog post in the world!',
    'user'  => 2,
];

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($entityManager);
$blogPost = new BlogPost();
$user = new User();
$user->setUsername('bakura');
$user->setPassword('p@$$w0rd');

$data = [
    'title' => 'The best blog post in the world!',
    'user'  => $user,
];

$blogPost = $hydrator->hydrate($data, $blogPost);

echo $blogPost->getTitle(); // prints "The best blog post in the world!"
echo $blogPost->getUser()->getId(); // prints 2

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class BlogPost
{
    /** .. */

    /**
     * @ORM\ManyToOne(targetEntity="Application\Entity\User", cascade={"persist"})
     */
    protected $user;

    /** … */
}

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($entityManager, 'Application\Entity\BlogPost');
$blogPost = new BlogPost();

$data = [
    'title' => 'Art thou mad?',
    'user' => [
        'id' => '',
        'username' => 'willshakes',
        'password' => '2BorN0t2B',
    ],
];

$blogPost = $hydrator->hydrate($data, $blogPost);

echo $blogPost->getUser()->getUsername(); // prints willshakes
echo $blogPost->getUser()->getPassword(); // prints 2BorN0t2B

namespace Application\Entity;

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

/**
 * @ORM\Entity
 */
class BlogPost
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\OneToMany(targetEntity="Application\Entity\Tag", mappedBy="blogPost")
     */
    protected $tags;

    /**
     * Never forget to initialize your collections!
     */
    public function __construct()
    {
        $this->tags = new ArrayCollection();
    }

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

    public function addTags(Collection $tags)
    {
        foreach ($tags as $tag) {
            $tag->setBlogPost($this);
            $this->tags->add($tag);
        }
    }

    public function removeTags(Collection $tags)
    {
        foreach ($tags as $tag) {
            $tag->setBlogPost(null);
            $this->tags->removeElement($tag);
        }
    }

    public function getTags()
    {
        return $this->tags;
    }
}

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class Tag
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\ManyToOne(targetEntity="Application\Entity\BlogPost", inversedBy="tags")
     */
    protected $blogPost;

    /**
     * @ORM\Column(type="string")
     */
    protected $name;

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

    /**
     * Allow null to remove association
     */
    public function setBlogPost(BlogPost $blogPost = null)
    {
        $this->blogPost = $blogPost;
    }

    public function getBlogPost()
    {
        return $this->blogPost;
    }

    public function setName($name)
    {
        $this->name = $name;
    }

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

public function setTags(Collection $tags)
{
    $this->tags = $tags;
}

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($entityManager);
$blogPost = new BlogPost();
$data = [
    'title' => 'The best blog post in the world!',
    'tags'  => [
        ['id' => 3], // add tag whose id is 3
        ['id' => 8], // also add tag whose id is 8
    ],
];

$blogPost = $hydrator->hydrate($data, $blogPost);

echo $blogPost->getTitle(); // prints "The best blog post in the world!"
echo count($blogPost->getTags()); // prints 2

$data = [
    'title' => 'The best blog post in the world!',
    'tags'  => [
        ['id' => 3], // add tag whose id is 3
        ['id' => 8], // also add tag whose id is 8
    ],
];

$data = [
    'title' => 'The best blog post in the world!',
    'tags'  => [3, 8],
];

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($entityManager);
$blogPost = new BlogPost();

$tags = [];

$tag1 = new Tag();
$tag1->setName('PHP');
$tags[] = $tag1;

$tag2 = new Tag();
$tag2->setName('STL');
$tags[] = $tag2;

$data = [
    'title' => 'The best blog post in the world!',
    'tags'  => $tags, // Note that you can mix integers and entities without any problem
];

$blogPost = $hydrator->hydrate($data, $blogPost);

echo $blogPost->getTitle(); // prints "The best blog post in the world!"
echo count($blogPost->getTags()); // prints 2

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class BlogPost
{
    /** .. */

    /**
     * @ORM\OneToMany(targetEntity="Application\Entity\Tag", mappedBy="blogPost", cascade={"persist"})
     */
    protected $tags;

    /** … */
}

$data = [
    'city' => null,
];

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Doctrine\Zend\Hydrator\Strategy;

$hydrator = new DoctrineHydrator($entityManager);
$hydrator->addStrategy('tags', new Strategy\DisallowRemoveByValue());

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($objectManager, false);

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class SimpleEntity
{
    /**
     * @ORM\Column(type="string")
     */
    protected $foo;

    public function getFoo()
    {
        die();
    }

    /** ... */
}

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($objectManager);
$object   = new SimpleEntity();
$object->setFoo('bar');

$data = $hydrator->extract($object);

echo $data['foo']; // never executed, because the script was killed when getter was accessed

use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;

$hydrator = new DoctrineHydrator($objectManager, false);
$object   = new SimpleEntity();
$object->setFoo('bar');

$data = $hydrator->extract($object);

echo $data['foo']; // prints 'bar'

namespace Application\Entity;

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

/**
 * @ORM\Entity
 */
class BlogPost
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\OneToMany(targetEntity="Application\Entity\Tag", mappedBy="blogPost", cascade={"persist"})
     */
    protected $tags;

    /**
     * Never forget to initialize your collections!
     */
    public function __construct()
    {
        $this->tags = new ArrayCollection();
    }

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

    /**
     * @param Collection $tags
     */
    public function addTags(Collection $tags)
    {
        foreach ($tags as $tag) {
            $tag->setBlogPost($this);
            $this->tags->add($tag);
        }
    }

    /**
     * @param Collection $tags
     */
    public function removeTags(Collection $tags)
    {
        foreach ($tags as $tag) {
            $tag->setBlogPost(null);
            $this->tags->removeElement($tag);
        }
    }

    /**
     * @return Collection
     */
    public function getTags()
    {
        return $this->tags;
    }
}

namespace Application\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 */
class Tag
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\ManyToOne(targetEntity="Application\Entity\BlogPost", inversedBy="tags")
     */
    protected $blogPost;

    /**
     * @ORM\Column(type="string")
     */
    protected $name;

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

    /**
     * Allow null to remove association
     *
     * @param BlogPost $blogPost
     */
    public function setBlogPost(BlogPost $blogPost = null)
    {
        $this->blogPost = $blogPost;
    }

    /**
     * @return BlogPost
     */
    public function getBlogPost()
    {
        return $this->blogPost;
    }

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

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

namespace Application\Form;

use Application\Entity\Tag;
use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\Form\Fieldset;
use Zend\InputFilter\InputFilterProviderInterface;

class TagFieldset extends Fieldset implements InputFilterProviderInterface
{
    public function __construct(ObjectManager $objectManager)
    {
        parent::__construct('tag');

        $this->setHydrator(new DoctrineHydrator($objectManager))
             ->setObject(new Tag());

        $this->add([
            'type' => 'Zend\Form\Element\Hidden',
            'name' => 'id',
        ]);

        $this->add([
            'type'    => 'Zend\Form\Element\Text',
            'name'    => 'name',
            'options' => [
                'label' => 'Tag',
            ],
        ]);
    }

    public function getInputFilterSpecification()
    {
        return [
            'id' => [
                '

namespace Application\Form;

use Application\Entity\BlogPost;
use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\Form\Fieldset;
use Zend\InputFilter\InputFilterProviderInterface;

class BlogPostFieldset extends Fieldset implements InputFilterProviderInterface
{
    public function __construct(ObjectManager $objectManager)
    {
        parent::__construct('blog-post');

        $this->setHydrator(new DoctrineHydrator($objectManager))
             ->setObject(new BlogPost());

        $this->add([
            'type' => 'Zend\Form\Element\Text',
            'name' => 'title',
        ]);

        $tagFieldset = new TagFieldset($objectManager);
        $this->add([
            'type'    => 'Zend\Form\Element\Collection',
            'name'    => 'tags',
            'options' => [
                'count'          => 2,
                'target_element' => $tagFieldset,
            ],
        ]);
    }

    public function getInputFilterSpecification()
    {
        return [
            'title' => [
                '

namespace Application\Form;

use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\Form\Form;

class CreateBlogPostForm extends Form
{
    public function __construct(ObjectManager $objectManager)
    {
        parent::__construct('create-blog-post-form');

        // The form will hydrate an object of type "BlogPost"
        $this->setHydrator(new DoctrineHydrator($objectManager));

        // Add the BlogPost fieldset, and set it as the base fieldset
        $blogPostFieldset = new BlogPostFieldset($objectManager);
        $blogPostFieldset->setUseAsBaseFieldset(true);
        $this->add($blogPostFieldset);

        // … add CSRF and submit elements …

        // Optionally set your validation group here
    }
}

namespace Application\Form;

use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\Form\Form;

class UpdateBlogPostForm extends Form
{
    public function __construct(ObjectManager $objectManager)
    {
        parent::__construct('update-blog-post-form');

        // The form will hydrate an object of type "BlogPost"
        $this->setHydrator(new DoctrineHydrator($objectManager));

        // Add the BlogPost fieldset, and set it as the base fieldset
        $blogPostFieldset = new BlogPostFieldset($objectManager);
        $blogPostFieldset->setUseAsBaseFieldset(true);
        $this->add($blogPostFieldset);

        // … add CSRF and submit elements …

        // Optionally set your validation group here
    }
}

public function createAction()
{
    // Get your ObjectManager from the ServiceManager
    $objectManager = $this->getServiceLocator()->get('Doctrine\ORM\EntityManager');

    // Create the form and inject the ObjectManager
    $form = new CreateBlogPostForm($objectManager);

    // Create a new, empty entity and bind it to the form
    $blogPost = new BlogPost();
    $form->bind($blogPost);

    if ($this->request->isPost()) {
        $form->setData($this->request->getPost());

        if ($form->isValid()) {
            $objectManager->persist($blogPost);
            $objectManager->flush();
        }
    }

    return ['form' => $form];
}

public function editAction()
{
    // Get your ObjectManager from the ServiceManager
    $objectManager = $this->getServiceLocator()->get('Doctrine\ORM\EntityManager');

    // Create the form and inject the ObjectManager
    $form = new UpdateBlogPostForm($objectManager);

    // Fetch the existing BlogPost from storage and bind it to the form.
    // This will pre-fill form field values
    $blogPost = $this->userService->get($this->params('blogPost_id'));
    $form->bind($blogPost);

    if ($this->request->isPost()) {
        $form->setData($this->request->getPost());

        if ($form->isValid()) {
            // Save the changes
            $objectManager->flush();
        }
    }

    return ['form' => $form];
}

namespace Application\Entity;

/**
 * @ORM\Entity
 * @ORM\Table(name="Students")
 */
class User
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\Column(type="string", length=48)
     */
    protected $name;

    /**
     * @ORM\OneToOne(targetEntity="City")
     */
    protected $city;

    // … getter and setters are defined …
}

namespace Application\Form;

use Application\Entity\User;
use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\Form\Fieldset;
use Zend\InputFilter\InputFilterProviderInterface;

class UserFieldset extends Fieldset implements InputFilterProviderInterface
{
    public function __construct(ObjectManager $objectManager)
    {
        parent::__construct('user');

        $this->setHydrator(new DoctrineHydrator($objectManager))
             ->setObject(new User());

        $this->add([
            'type'    => 'Zend\Form\Element\Text',
            'name'    => 'name',
            'options' => [
                'label' => 'Your name',
            ],
            'attributes' => [
                '

namespace Application\Form;

use Application\Entity\City;
use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\Form\Fieldset;
use Zend\InputFilter\InputFilterProviderInterface;

class CityFieldset extends Fieldset implements InputFilterProviderInterface
{
    public function __construct(ObjectManager $objectManager)
    {
        parent::__construct('city');

        $this->setHydrator(new DoctrineHydrator($objectManager))
             ->setObject(new City());

        $this->add([
            'type'    => 'Zend\Form\Element\Text',
            'name'    => 'name',
            'options' => [
                'label' => 'Name of your city',
            ],
            'attributes' => [
                '

namespace Application\Form;

use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\Form\Form;

class EditNameForm extends Form
{
    public function __construct(ObjectManager $objectManager)
    {
        parent::__construct('edit-name-form');

        $this->setHydrator(new DoctrineHydrator($objectManager));

        // Add the user fieldset, and set it as the base fieldset
        $userFieldset = new UserFieldset($objectManager);
        $userFieldset->setName('user');
        $userFieldset->setUseAsBaseFieldset(true);
        $this->add($userFieldset);

        // … add CSRF and submit elements …

        // Set the validation group so that we don't care about city
        $this->setValidationGroup([
            'csrf', // assume we added a CSRF element
            'user' => [
                'name',
            ],
        ]);
    }
}

public function editNameAction()
{
    // Get your ObjectManager from the ServiceManager
    $objectManager = $this->getServiceLocator()->get('Doctrine\ORM\EntityManager');

    // Create the form and inject the ObjectManager
    $form = new EditNameForm($objectManager);

    // Get the logged user (for more informations about userIdentity(), please read the Authentication doc)
    $loggedUser = $this->userIdentity();

    // We bind the logged user to the form, so that the name is pre-filled with previous data
    $form->bind($loggedUser);

    $request = $this->request;
    if ($request->isPost()) {
        // Set data from post
        $form->setData($request->getPost());

        if ($form->isValid()) {
            // You can now safely save $loggedUser
        }
    }
}

namespace Application\Form;

use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Zend\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\Form\Form;

class EditNameForm extends Form
{
    public function __construct(ObjectManager $objectManager)
    {
        parent::__construct('edit-name-form');

        $this->setHydrator(new DoctrineHydrator($objectManager));

        // Add the user fieldset, and set it as the base fieldset
        $userFieldset = new UserFieldset($objectManager);
        $userFieldset->setName('user');
        $userFieldset->setUseAsBaseFieldset(true);

        // We don't want City relationship, so remove it!!
        $userFieldset->remove('city');

        $this->add($userFieldset);

        // … add CSRF and submit elements …

        // We don't even need the validation group as the City fieldset does not
        // exist anymore
    }
}