Brutal ORM Purger for doctrine/data-fixtures

BrutalForeignKeyDisablingMySQLPurger.php

<?php

namespace FixturesStuff

use Doctrine\Common\DataFixtures\Purger\ORMPurger;
use Doctrine\ORM\EntityManagerInterface;

/**
 * @TODO this has to go once we implement correct purging of entities
 */
class BrutalForeignKeyDisablingMySQLPurger extends ORMPurger
{
    /**
     * @var EntityManagerInterface
     */
    private $entityManager;

    /**
     * @var ORMPurger
     */
    private $purger;

    /**
     * @param EntityManagerInterface $entityManager
     * @param ORMPurger              $purger
     */
    public function __construct(EntityManagerInterface $entityManager, ORMPurger $purger)
    {
        $this->entityManager = $entityManager;
        $this->purger        = $purger;
    }

    /**
     * {@inheritDoc}
     */
    public function setPurgeMode($mode)
    {
        $this->purger->setPurgeMode($mode);
    }

    /**
     * {@inheritDoc}
     */
    public function getPurgeMode()
    {
        return $this->purger->getPurgeMode();
    }

    /**
     * {@inheritDoc}
     */
    public function setEntityManager(EntityManagerInterface $em)
    {
        $this->purger->setEntityManager($em);

        $this->entityManager = $em;
    }

    /**
     * {@inheritDoc}
     */
    public function getObjectManager()
    {
        return $this->purger->getObjectManager();
    }

    /**
     * {@inheritDoc}
     */
    function purge()
    {
        $connection = $this->entityManager->getConnection();

        try {
            $connection->executeQuery('SET FOREIGN_KEY_CHECKS = 0');
            $this->purger->purge();
        } finally {
            $connection->executeQuery('SET FOREIGN_KEY_CHECKS = 1');
        }
    }
}

How do you hook this in so that this purger is used instead of the ORMPurger?

Depends on your setup: in my case, just pass it to the constructor of the fixture loader when you instantiate it.