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

src/Bundle/ChillMainBundle/Pagination/Paginator.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\MainBundle\Pagination;
 
 use RuntimeException;
@@ -113,7 +122,7 @@ class Paginator implements PaginatorInterface
             ++$nb;
         }
 
-        return 0 == $nb ? 1 : (int) $nb;
+        return 0 === $nb ? 1 : (int) $nb;
     }
 
     /**