gistfile1.php

<?php

namespace Harentius\SiteBundle\Entity;

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

/**
 * Products
 *
 * @ORM\Table(name="products")
 * @ORM\Entity
 */
class Products
{
    /**
     * @var string
     *
     * @ORM\Column(name="name", type="string", length=1000, nullable=false)
     */
    private $name;

    /**
     * @var string
     *
     * @ORM\Column(name="comment", type="text", nullable=false)
     */
    private $comment;

    /**
     * @var float
     *
     * @ORM\Column(name="price", type="float", nullable=false)
     */
    private $price;

    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="IDENTITY")
     */
    private $id;

    /**
     * @var \Harentius\SiteBundle\Entity\Category
     *
     * @ORM\ManyToOne(targetEntity="Harentius\SiteBundle\Entity\Category")
     * @ORM\JoinColumns({
     *   @ORM\JoinColumn(name="id_category", referencedColumnName="id")
     * })
     */
    private $category;


    /**
     * @var \Harentius\SiteBundle\Entity\Properties
     *
     * @ORM\Column(name="id_property", type="integer")
     * @ORM\ManyToMany(targetEntity="Harentius\SiteBundle\Entity\Properties", mappedBy="products")
     * @ORM\JoinTable(name="products")
     */
    private $properties;


    /**
     *
     */
    public function __construct()
    {
        $this->properties = new ArrayCollection();
    }

    

gistfile2.php

<?php

namespace Harentius\SiteBundle\Entity;

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

/**
 * Properties
 *
 * @ORM\Table(name="properties")
 * @ORM\Entity
 */
class Properties
{
    /**
     * @var string
     *
     * @ORM\Column(name="name", type="string", length=1000, nullable=false)
     */
    private $name;

    /**
     * @var string
     *
     * @ORM\Column(name="comment", type="text", nullable=false)
     */
    private $comment;

    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="IDENTITY")
     */
    private $id;

    /**
     * @var \Harentius\SiteBundle\Entity\Products
     *
     * @ORM\Column(name="id_product", type="integer")
     * @ORM\ManyToMany(targetEntity="Harentius\SiteBundle\Entity\Products", inversedBy="properties")
     */
    private $products;


    /**
     *
     */
    public function __construct()
    {
        $this->products = new ArrayCollection();
    }