diff --git a/src/Bundle/ChillActivityBundle/Export/Filter/ActivityDateFilter.php b/src/Bundle/ChillActivityBundle/Export/Filter/ActivityDateFilter.php
index dca4cec30..2e0149a38 100644
--- a/src/Bundle/ChillActivityBundle/Export/Filter/ActivityDateFilter.php
+++ b/src/Bundle/ChillActivityBundle/Export/Filter/ActivityDateFilter.php
@@ -1,25 +1,12 @@
 <?php
 
-/*
- * Copyright (C) 2017 Champs-Libres <info@champs-libres.coop>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
+declare(strict_types=1);
 
 namespace Chill\ActivityBundle\Export\Filter;
 
 use Chill\MainBundle\Export\FilterInterface;
+use Doctrine\ORM\QueryBuilder;
+use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormEvent;
 use Symfony\Component\Form\FormEvents;
 use Symfony\Component\Form\Extension\Core\Type\DateType;
@@ -28,34 +15,24 @@ use Chill\MainBundle\Form\Type\Export\FilterType;
 use Doctrine\ORM\Query\Expr;
 use Symfony\Component\Translation\TranslatorInterface;
 
-/**
- * 
- *
- * @author Julien Fastré <julien.fastre@champs-libres.coop>
- */
 class ActivityDateFilter implements FilterInterface
 {
-    /**
-     *
-     * @var TranslatorInterface
-     */
-    protected $translator;
-    
+    protected TranslatorInterface $translator;
+
     function __construct(TranslatorInterface $translator)
     {
         $this->translator = $translator;
     }
 
-    
     public function addRole()
     {
         return null;
     }
 
-    public function alterQuery(\Doctrine\ORM\QueryBuilder $qb, $data)
+    public function alterQuery(QueryBuilder $qb, $data)
     {
         $where = $qb->getDQLPart('where');
-        $clause = $qb->expr()->between('activity.date', ':date_from', 
+        $clause = $qb->expr()->between('activity.date', ':date_from',
             ':date_to');
 
         if ($where instanceof Expr\Andx) {
@@ -63,7 +40,7 @@ class ActivityDateFilter implements FilterInterface
         } else {
             $where = $qb->expr()->andX($clause);
         }
-        
+
         $qb->add('where', $where);
         $qb->setParameter('date_from', $data['date_from']);
         $qb->setParameter('date_to', $data['date_to']);
@@ -74,35 +51,43 @@ class ActivityDateFilter implements FilterInterface
         return 'activity';
     }
 
-    public function buildForm(\Symfony\Component\Form\FormBuilderInterface $builder)
+    public function buildForm(FormBuilderInterface $builder)
     {
-        $builder->add('date_from', DateType::class, array(
-            'label' => "Activities after this date",
-            'data'  => new \DateTime(),
-            'attr'  => array('class' => 'datepicker'),
-            'widget'=> 'single_text',
-            'format' => 'dd-MM-yyyy',
-        ));
-        
-        $builder->add('date_to', DateType::class, array(
-            'label' => "Activities before this date",
-            'data'  => new \DateTime(),
-            'attr'  => array('class' => 'datepicker'),
-            'widget'=> 'single_text',
-            'format' => 'dd-MM-yyyy',
-        ));
-        
+        $builder->add(
+            'date_from',
+            DateType::class,
+            [
+                'label' => 'Activities after this date',
+                'data'  => new \DateTime(),
+                'attr'  => ['class' => 'datepicker'],
+                'widget'=> 'single_text',
+                'format' => 'dd-MM-yyyy',
+            ]
+        );
+
+        $builder->add(
+            'date_to',
+            DateType::class,
+            [
+                'label' => 'Activities before this date',
+                'data'  => new \DateTime(),
+                'attr'  => ['class' => 'datepicker'],
+                'widget'=> 'single_text',
+                'format' => 'dd-MM-yyyy',
+            ]
+        );
+
         $builder->addEventListener(FormEvents::POST_SUBMIT, function(FormEvent $event) {
             /* @var $filterForm \Symfony\Component\Form\FormInterface */
             $filterForm = $event->getForm()->getParent();
             $enabled = $filterForm->get(FilterType::ENABLED_FIELD)->getData();
-            
+
             if ($enabled === true) {
                 // if the filter is enabled, add some validation
                 $form      = $event->getForm();
                 $date_from = $form->get('date_from')->getData();
                 $date_to   = $form->get('date_to')->getData();
-                
+
                 // check that fields are not empty
                 if ($date_from === null) {
                     $form->get('date_from')->addError(new FormError(
@@ -113,8 +98,8 @@ class ActivityDateFilter implements FilterInterface
                     $form->get('date_to')->addError(new FormError(
                         $this->translator->trans('This field '
                         . 'should not be empty')));
-                } 
-                
+                }
+
                 // check that date_from is before date_to
                 if (
                     ($date_from !== null && $date_to !== null)
@@ -132,17 +117,18 @@ class ActivityDateFilter implements FilterInterface
 
     public function describeAction($data, $format = 'string')
     {
-        return array(
-            "Filtered by date of activity: only between %date_from% and %date_to%",
-            array(
-                "%date_from%" => $data['date_from']->format('d-m-Y'),
-                '%date_to%'   => $data['date_to']->format('d-m-Y')
-            ));
+        return [
+            'Filtered by date of activity: only between %date_from% and %date_to%',
+            [
+                '%date_from%' => $data['date_from']->format('d-m-Y'),
+                '%date_to%' => $data['date_to']->format('d-m-Y')
+            ]
+        ];
     }
 
     public function getTitle()
     {
-        return "Filtered by date activity";
+        return 'Filtered by date activity';
     }
 
 }
diff --git a/src/Bundle/ChillActivityBundle/Export/Filter/PersonHavingActivityBetweenDateFilter.php b/src/Bundle/ChillActivityBundle/Export/Filter/PersonHavingActivityBetweenDateFilter.php
index 8773c95a0..e197e1220 100644
--- a/src/Bundle/ChillActivityBundle/Export/Filter/PersonHavingActivityBetweenDateFilter.php
+++ b/src/Bundle/ChillActivityBundle/Export/Filter/PersonHavingActivityBetweenDateFilter.php
@@ -33,9 +33,9 @@ class PersonHavingActivityBetweenDateFilter implements FilterInterface, ExportEl
     protected TranslatorInterface $translator;
 
     public function __construct(
-            TranslatableStringHelper $translatableStringHelper,
-            ActivityReasonRepository $activityReasonRepository,
-            TranslatorInterface $translator
+        TranslatableStringHelper $translatableStringHelper,
+        ActivityReasonRepository $activityReasonRepository,
+        TranslatorInterface $translator
     ) {
         $this->translatableStringHelper = $translatableStringHelper;
         $this->activityReasonRepository = $activityReasonRepository;
@@ -187,7 +187,7 @@ class PersonHavingActivityBetweenDateFilter implements FilterInterface, ExportEl
 
     public function getTitle()
     {
-        return "Filtered by person having an activity in a period";
+        return 'Filtered by person having an activity in a period';
     }
 
 }