<?php
// app/AppKernel.php

// ...
class AppKernel extends Kernel
{
    public function registerBundles()
    {
        $bundles = array(
            // ...
            new SpecShaper\GdprBundle\SpecShaperGdprBundle(),
            new SpecShaper\EncryptBundle\SpecShaperEncryptBundle(),
        );
        // ...
    }
    // ...
}

<?php
    // ...
    use Symfony\Component\Validator\Constraints as Assert;
    use SpecShaper\GdprBundle\Validator\Constraints as GdprAssert;
    // ...
    
    /**
     * Iban bank account number.
     *
     * @var string
     *
     * @GdprAssert\PersonalData({
     *     @Assert\NotBlank,
     *     @Assert\Iban
     * })
     *
     * @ORM\Column(type="personal_data", nullable=true, options={
     *     "format" = "STRING",
     *     "isSensitive"=false,
     *     "isEncrypted"=true,
     *     "idMethod"="INDIRECT",
     *     "basisOfCollection"="LEGITIMATE_INTEREST",
     *     "identifiableBy"="Can be used to identify an individual if compared with third party database",
     *     "providedBy"="The employee, the employer",
     *     "purposeFor"="Used to pay employees by SEPA",
     *     "retainFor"="P6Y",
     *     "disposeBy"="SET_NULL",
     *     "methodOfReceipt"={"HTTPS"},
     *     "receiptProtection"={"TSS"},
     *     "methodOfReturn"={"HTTPS", "PDF"},
     *     "returnProtection"={"TSS","ENCRYPTED_PDF"}
     * })
     */
    protected $iban;
   

<?php
// ...
use SpecShaper\GdprBundle\Form\Type\PersonalDataType;
    
    // ...
    $builder    
        ->add('iban', PersonalDataType::class, array(
            'required' => true,
            'label' => 'label.iban',
            'attr' => array(
                'placeholder' => 'placeholder.aValidInternationalBankAccountNumber'
            )
        ))
        ;

<?php
// ...
use SpecShaper\GdprBundle\Form\Type\PersonalDataType;
    
    // ...
    $builder    
        ->add('iban', PersonalDataType::class, array(
            'required' => true,
            'label' => 'label.iban',
            'attr' => array(
                'placeholder' => 'placeholder.aValidInternationalBankAccountNumber'
            ),
            'constraints' => array(
                new Iban()
            )
        ))
        ;

<?php
// src/AppBundle/Repository/Traits/GdprTrait.php

namespace AppBundle\Repository\Traits;

use SpecShaper\EncryptBundle\Encryptors\EncryptorInterface;
use SpecShaper\GdprBundle\Utils\Sorter;

/**
 * Trait GdprTrait
 *
 * Trait to provide common functions for encrypted fields in a repository.
 * - Decrypt & concatenate first and last name
 * - Sort by two fields.
 *
 * @package AppBundle\Repository\Traits
 */
trait GdprTrait
{
    /**
     * @var EncryptorInterface
     */
    protected $encryptor;

    /**
     * Setter injection Encryptor into repository.
     *
     * @param EncryptorInterface $encryptor
     * @return $this
     */
    public function setEncryptor(EncryptorInterface $encryptor){
        $this->encryptor = $encryptor;
        return $this;
    }

    /**
     * Get the Encryptor
     *
     * @return EncryptorInterface
     */
    public function getEncryptor()
    {
        return $this->encryptor;
    }

    /**
     * Function to concat two encrypted values into one new value.
     *
     * @param array  $collection
     * @param string $firstNameField Default is firstName
     * @param string $lastNameField Default is lastName
     * @param string $outputField Default is fullName
     * @return array
     */
    public function concatToFullName(&$collection, $firstNameField = 'firstName', $lastNameField = 'lastName', $outputField = 'fullName'){

        foreach($collection as $key => $entity){
            $firstName = $this->getEncryptor()->decrypt($entity[$firstNameField]->getData());
            $lastName = $this->getEncryptor()->decrypt($entity[$lastNameField]->getData());
            $collection[$key][$firstNameField]->setData($firstName);
            $collection[$key][$lastNameField]->setData($lastName);
            $collection[$key][$outputField] = $firstName . ' ' . $lastName;
        }

        return $collection;
    }

    /**
     * Sort a array hydrated query result by two columns.
     *
     * @param array  $result
     * @param string $firstOrder
     * @param string $secondOrder
     * @return mixed
     */
    public function sortByTwoColumns(&$result, $firstOrder = 'employeeId', $secondOrder = 'lastName')
    {
        // Use SpecShaper\ThemeBundle\Util\Sorter:sortByTwoColumnsCallback as a callback
        usort($result, array(new Sorter($firstOrder, $secondOrder),'sortByTwoColumnsCallback'));

        return $result;
    }
}

<?php

namespace AppBundle\Repository;

use AppBundle\Repository\Traits\GdprTrait;

/**
 * EmployeeRepository
 *
 * This class was generated by the Doctrine ORM. Add your own custom
 * repository methods below.
 */
class EmployeeRepository extends \Doctrine\ORM\EntityRepository
{
    use GdprTrait;
    

    //....
    
}

<?php

namespace AppBundle\Controller;

use AppBundle\Entity\Employee;
use SpecShaper\EncryptBundle\Encryptors\EncryptorInterface;

/**
 * Employee controller.
 *
 * @Route("/employee")
 */
class EmployeeController extends Controller
{

    /**
     * Lists all Employee entities.
     *
     * @Route("/{id}/all", name="employee_all")
     * @Method("GET")
     */
    public function allAction(EncryptorInterface $encryptor)
    {
        $employee = $this->getDoctrine()->getRepository(Employee::class)
            ->setEncryptor($encryptor)
            ->findAll();
    }
}