private function createSeason(ObjectManager $em, $perimeter) { $season = new Season(); $season->setPerimeter($perimeter); $season->setTitle('hiver 2014'); $season->setStartDate(\DateTime::createFromFormat('d/m/Y', '21/12/2013')); $season->setEndDate(\DateTime::createFromFormat('d/m/Y', '21/03/2014')); $season->setPublished(TRUE); $em->persist($season); return $season; }