cs: Switch to a stricter way of coding - this might break in a lot of places.

src/Bundle/ChillPersonBundle/Timeline/AbstractTimelineAccompanyingPeriod.php

@@ -7,6 +7,15 @@
  * the LICENSE file that was distributed with this source code.
  */
 
+declare(strict_types=1);
+
+/**
+ * Chill is a software for social workers.
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
 namespace Chill\PersonBundle\Timeline;
 
 use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
@@ -72,7 +81,7 @@ abstract class AbstractTimelineAccompanyingPeriod implements TimelineProviderInt
      */
     protected function basicFetchQuery($context, array $args)
     {
-        if (false === in_array($context, self::SUPPORTED_CONTEXTS)) {
+        if (false === in_array($context, self::SUPPORTED_CONTEXTS, true)) {
             throw new LogicException('TimelineAccompanyingPeriod is not able '
                     . 'to render context ' . $context);
         }