public function createAction($slug, Request $request)
 {
     $em = $this->getDoctrine()->getManager();
     $admission = $em->getRepository('LmcAdmissionBundle:Admission')->findOneBy(array('slug' => $slug));
     $application = new Application();
     $application->setAdmission($admission);
     $form = $this->createForm(new ApplicationFormType($em), $application, array('action' => $this->generateUrl('lmc_admission_create_application', array('slug' => $slug))));
     $form->add('submit', 'submit', array('label' => 'application.form.submit'));
     $form->handleRequest($request);
     //validator :: validation.yml
     $validator = $this->get('validator');
     $errors = $validator->validate($application);
     //if have valid
     if (count($errors) > 0) {
         return $this->render('LmcAdmissionBundle:Frontend:createApplication.html.twig', array('form' => $form->createView(), 'admission' => $admission));
     }
     //End valid
     //if isValid return true.
     if ($form->isValid()) {
         $app_prefix = $admission->getAppPrefix();
         $app_nextnum = $admission->getAppNextnum();
         $app_nextnum_length = strlen($app_nextnum);
         $applicationKey = $app_prefix . $app_nextnum;
         $application->setApplicationKey($applicationKey);
         //make new next num
         $app_nextnum++;
         $new_app_nextnum = str_pad($app_nextnum, $app_nextnum_length, '0', STR_PAD_LEFT);
         $admission->setAppNextnum($new_app_nextnum);
         $em->persist($admission);
         $em->persist($application);
         $em->flush();
         // return to thankyou
         //            $thankyou = $admission->getThankyou();
         $thankyou = $admission->getPdfContent();
         $thankyou = str_replace('[APP_NUM]', $application->getApplicationKey(), $thankyou);
         $thankyou = str_replace('[PAGE_ONLY]', '', $thankyou);
         $thankyou = str_replace('[PAGE_ONLY_END]', '', $thankyou);
         $thankyou = str_replace('[PDF]', $this->generateUrl('lmc_admission_pdf_application', array('uniqid' => $application->getUniqid())), $thankyou);
         return $this->render('LmcAdmissionBundle:Frontend:thankyou.html.twig', array('thankyou' => $thankyou));
     }
     //return twig
     return $this->render('LmcAdmissionBundle:Frontend:createApplication.html.twig', array('form' => $form->createView(), 'admission' => $admission));
 }