fix: SA: Fix "might not be defined" rule.

SA stands for Static Analysis.

src/Bundle/ChillEventBundle/Controller/ParticipationController.php

@@ -23,6 +23,7 @@ use ArrayIterator;
 use Chill\EventBundle\Entity\Event;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Chill\EventBundle\Entity\Participation;
@@ -183,7 +184,7 @@ class ParticipationController extends AbstractController
         $participations = $this->handleRequest($request, new Participation(), true);
         $ignoredParticipations = $newParticipations = [];
 
-        foreach ($participations as $i => $participation) {
+        foreach ($participations as $participation) {
             // check for authorization
             $this->denyAccessUnlessGranted(ParticipationVoter::CREATE,
                 $participation, 'The user is not allowed to create this participation');
@@ -218,7 +219,9 @@ class ParticipationController extends AbstractController
             return $this->redirectToRoute('chill_event__event_show', array(
                 'event_id' => $request->query->getInt('event_id', 0)
             ));
-        } elseif (count($newParticipations) > 1) {
+        }
+
+        if (count($newParticipations) > 1) {
             // if we have multiple participations, show a form with multiple participations
             $form = $this->createCreateFormMultiple($newParticipations);
 
@@ -372,9 +375,6 @@ class ParticipationController extends AbstractController
      * If the request is multiple, the $participation object is cloned.
      * Limitations: the $participation should not be persisted.
      *
-     * @param Request $request
-     * @param Participation $participation
-     * @param boolean $multiple (default false)
      * @return Participation|Participations[] return one single participation if $multiple == false
      * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException if the event/person is not found
      * @throws \Symfony\Component\Security\Core\Exception\AccessDeniedException if the user does not have access to event/person
@@ -382,7 +382,7 @@ class ParticipationController extends AbstractController
     protected function handleRequest(
             Request $request,
             Participation $participation,
-            $multiple = false)
+            bool $multiple = false)
     {
         $em = $this->getDoctrine()->getManager();
         if ($em->contains($participation)) {
@@ -441,11 +441,9 @@ class ParticipationController extends AbstractController
     }
 
     /**
-     * @param Participation $participation
      * @param null $return_path
-     * @return \Symfony\Component\Form\FormInterface
      */
-    public function createCreateForm(Participation $participation, $return_path = null)
+    public function createCreateForm(Participation $participation, $return_path = null): FormInterface
     {
 
         $form = $this->createForm(ParticipationType::class, $participation, array(
@@ -464,11 +462,7 @@ class ParticipationController extends AbstractController
         return $form;
     }
 
-    /**
-     * @param array $participations
-     * @return \Symfony\Component\Form\FormInterface
-     */
-    public function createCreateFormMultiple(array $participations)
+    public function createCreateFormMultiple(array $participations): FormInterface
     {
         $form = $this->createForm(\Symfony\Component\Form\Extension\Core\Type\FormType::class,
                 array('participations' => $participations), array(
@@ -495,18 +489,16 @@ class ParticipationController extends AbstractController
     }
 
     /**
-     * show an edit form for the participation with the given id.
+     * Show an edit form for the participation with the given id.
      *
-     * @param int $participation_id
-     * @return \Symfony\Component\HttpFoundation\Response
      * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException if the participation is not found
      * @throws \Symfony\Component\HttpFoundation\File\Exception\AccessDeniedException if the user is not allowed to edit the participation
      */
-    public function editAction($participation_id)
+    public function editAction(int $participation_id): Response
     {
         /* @var $participation Participation */
         $participation = $this->getDoctrine()->getManager()
-                ->getRepository('ChillEventBundle:Participation')
+                ->getRepository(Participation::class)
                 ->find($participation_id);
 
         if ($participation === NULL) {
@@ -518,22 +510,17 @@ class ParticipationController extends AbstractController
 
         $form = $this->createEditForm($participation);
 
-        return $this->render('ChillEventBundle:Participation:edit.html.twig', array(
+        return $this->render('ChillEventBundle:Participation:edit.html.twig', [
             'form' => $form->createView(),
-            'participation' => $participation
-        ));
+            'participation' => $participation,
+        ]);
     }
 
-    /**
-     * @param $participation_id
-     * @param Request $request
-     * @return \Symfony\Component\HttpFoundation\RedirectResponse|Response
-     */
-    public function updateAction($participation_id, Request $request)
+    public function updateAction(int $participation_id, Request $request): Response
     {
         /* @var $participation Participation */
         $participation = $this->getDoctrine()->getManager()
-                ->getRepository('ChillEventBundle:Participation')
+                ->getRepository(Participation::class)
                 ->find($participation_id);
 
         if ($participation === NULL) {
@@ -556,35 +543,40 @@ class ParticipationController extends AbstractController
                     'The participation was updated'
                     ));
 
-            return $this->redirectToRoute('chill_event__event_show', array(
-                'event_id' => $participation->getEvent()->getId()
-            ));
+            return $this->redirectToRoute('chill_event__event_show', [
+                'event_id' => $participation->getEvent()->getId(),
+            ]);
 
         }
 
-        return $this->render('ChillEventBundle:Participation:edit.html.twig', array(
+        return $this->render('ChillEventBundle:Participation:edit.html.twig', [
             'form' => $form->createView(),
-            'participation' => $participation
-        ));
+            'participation' => $participation,
+        ]);
     }
 
-    /**
-     *
-     * @param Participation $participation
-     * @return \Symfony\Component\Form\FormInterface
-     */
-    public function createEditForm(Participation $participation)
+    public function createEditForm(Participation $participation): FormInterface
     {
-        $form = $this->createForm(ParticipationType::class, $participation, array(
-            'event_type' => $participation->getEvent()->getType(),
-            'action' => $this->generateUrl('chill_event_participation_update', array(
-                'participation_id' => $participation->getId()
-            ))
-        ));
+        $form = $this->createForm(
+            ParticipationType::class,
+            $participation,
+            [
+                'event_type' => $participation->getEvent()->getType(),
+                'action' => $this->generateUrl(
+                    'chill_event_participation_update',
+                    [
+                        'participation_id' => $participation->getId(),
+                    ]
+                ),
+            ]
+        );
 
-        $form->add('submit', SubmitType::class, array(
-            'label' => 'Edit'
-        ));
+        $form->add(
+            'submit',
+            SubmitType::class, [
+                'label' => 'Edit',
+            ]
+        );
 
         return $form;
     }