cs: Enable more risky rules.

src/Bundle/ChillCalendarBundle/Controller/CalendarRangeAPIController.php

@@ -14,6 +14,7 @@ use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
+use function count;
 
 class CalendarRangeAPIController extends ApiController
 {

src/Bundle/ChillCalendarBundle/Entity/Calendar.php

@@ -26,6 +26,7 @@ use Symfony\Component\Serializer\Annotation\Groups;
 use Symfony\Component\Validator\Constraints\NotBlank;
 use Symfony\Component\Validator\Constraints\Range;
 use Symfony\Component\Validator\Mapping\ClassMetadata;
+use function in_array;
 
 /**
  * @ORM\Table(name="chill_calendar.calendar")

src/Bundle/ChillCalendarBundle/Event/ListenToActivityCreate.php

@@ -12,6 +12,7 @@ namespace Chill\CalendarBundle\Event;
 use Chill\ActivityBundle\Entity\Activity;
 use Doctrine\Persistence\Event\LifecycleEventArgs;
 use Symfony\Component\HttpFoundation\RequestStack;
+use function array_key_exists;
 
 class ListenToActivityCreate
 {