symfony2 Doctrine Entity Repository ExpressionBuilder IN() function
Example
If you want to use the MySQL command IN() in the QueryBuilder, you can do it with the in() function of the ExpressionBuilder class.
// get an ExpressionBuilder instance, so that you
$expressionBulder = $this->_em->getExpressionBuilder();
$qb = $this->_em->createQueryBuilder()
->select('p')
->from($this->_entityName, 'p');
->where($expressionBuilder->in('p.id', array(1,2,3,4,5)));
return $qb->getQuery()->getResult();
