gistfile1.php

<?php

namespace Sensio\Bundle\JobeetBundle\Entity;

use Doctrine\Common\Collections\ArrayCollection;

/**
 * The Affiliate entity class.
 *
 * @orm:Entity
 * @orm:Table(name="jobeet_affiliate")
 */
class Affiliate
{
    /**
     * The associated categories.
     *
     * @var Doctrine\Common\Collections\ArrayCollection;
     *
     * @orm:ManyToMany(targetEntity="Category", inversedBy="affiliates")
     * @orm:JoinTable(
     *      joinColumns={@orm:JoinColumn(name="affiliate_id", referencedColumnName="id")},
     *      inverseJoinColumns={@orm:JoinColumn(name="category_id", referencedColumnName="id")}
     * )
     */
    private $categories;

    // ...
}


class Category
{
    /**
     * The associated affiliates.
     *
     * @var Doctrine\Common\Collections\ArrayCollection;
     *
     * @orm:ManyToMany(targetEntity="Affiliate", inversedBy="categories")
     */
    private $affiliates;

    // ...
}