Symfony3 ManyToMany join - php

Question

I need to get liste of articles who have the id of categorie with join ManyToMany I tried all day but it won't work. with dql query or anything pelase help I am despread.
I want to get liste of articles who have category id with many to many relation
/**
*
* #ORM\ManyToMany(targetEntity="Categorie",mappedBy="cat")
* #ORM\JoinTable(name="article_categorie",
* joinColumns={#ORM\JoinColumn(name="article_id", referencedColumnName="id")},
* inverseJoinColumns={#ORM\JoinColumn(name="categorie_id", referencedColumnName="id",onDelete="CASCADE")}
* )
*
*/
private $categorie;
my first try
$qp=$this->createQueryBuilder('p');
$qp->select("p")
->from(Categorie::class,"c")
->where($qp->expr()->eq("c.id","$id"))->setMaxResults(3)
->getQuery()->execute();
return $qp;
my second try
$em = $this->getEntityManager();
$query = $em->createQuery("SELECT article
FROM article t
INNER JOIN article_categorie jt ON(t.id = jt.article_id)
INNER JOIN categorie g ON(g.id = jt.categorie_id)
WHERE_id g.id=9");return $query->getResult();
my third try
$this->createQueryBuilder()
->select('s')
->from('ArticleBundle:Categorie', 's')
->innerJoin('s.Category c ON c.category_id = s.')
->where('s.name = :superCategoryName')
->setParameter('superCategoryName', $superCategoryName)
->getQuery()
->getResult();
Dosn't work

Answer 1

You can try this:
/**
* #ORM\Entity
*/
class Article
{
/**
* #ORM\ManyToMany(targetEntity="AppBundle\Entity\Category", cascade={"persist"})
*/
private $categories;
// …
}
and in your repository:
public function getArticlesWithCategories(array $categoryNames)
{
$qb = $this->createQueryBuilder('a');
// We're making a joint with the Category entity with alias "c."
$qb
->innerJoin('a.categories', 'c')
->addSelect('c')
;
// Then we filter on the names of the categories using an IN
//If you really need to take the id, replace the $categorieName variable with $categorieID and "c. name" with "c. id".
$qb->where($qb->expr()->in('c.name', $categoryNames));
// The syntax of the IN and other expressions can be found in the Doctrine documentation
// Finally, we return the result
return $qb
->getQuery()
->getResult()
;
}