class User
{
    /**
     * @var int
     *
     * @ORMColumn(name="id", type="integer")
     * @ORMId
     * @ORMGeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * Many Users have many items
     * @ORMManyToMany(targetEntity="AppBundleEntityItem", fetch="EAGER")
     * @ORMJoinTable(name="users_items",
     *      joinColumns={@ORMJoinColumn(name="user_id", referencedColumnName="id")},
     *      inverseJoinColumns={@ORMJoinColumn(name="item_id", referencedColumnName="id")}
     *      )
     */
    private $items;

}

class Item
{
    /**
     * @var int
     *
     * @ORMColumn(name="id", type="integer")
     * @ORMId
     * @ORMGeneratedValue(strategy="AUTO")
     */
    private $id;

    /**
     * @var string
     *
     * @ORMColumn(name="name", type="string", length=10)
     */
    private $name;

}

items
users
users_items