upgraded to phpunit 8 (#1155)

src/Form/DataTransformer/DurationStringToSecondsTransformer.php

@@ -46,7 +46,7 @@ class DurationStringToSecondsTransformer implements DataTransformerInterface
     }
 
     /**
-     * @param string $formatToInt
+     * @param string|null $formatToInt
      * @return int|null
      */
     public function reverseTransform($formatToInt)

src/Form/Model/DateRange.php

@@ -11,49 +11,35 @@ namespace App\Form\Model;
 
 use DateTime;
 
-class DateRange
+final class DateRange
 {
     /**
      * @var DateTime
      */
-    protected $begin;
+    private $begin;
     /**
      * @var DateTime
      */
-    protected $end;
+    private $end;
 
-    /**
-     * @return DateTime
-     */
     public function getBegin(): ?DateTime
     {
         return $this->begin;
     }
 
-    /**
-     * @param DateTime $begin
-     * @return DateRange
-     */
-    public function setBegin(DateTime $begin)
+    public function setBegin(DateTime $begin): DateRange
     {
         $this->begin = $begin;
 
         return $this;
     }
 
-    /**
-     * @return DateTime
-     */
     public function getEnd(): ?DateTime
     {
         return $this->end;
     }
 
-    /**
-     * @param DateTime $end
-     * @return DateRange
-     */
-    public function setEnd(DateTime $end)
+    public function setEnd(DateTime $end): DateRange
     {
         $this->end = $end;
 

src/Form/TimesheetEditForm.php

@@ -295,7 +295,7 @@ class TimesheetEditForm extends AbstractType
         $builder->addEventListener(
             FormEvents::POST_SET_DATA,
             function (FormEvent $event) {
-                /** @var Timesheet $data */
+                /** @var Timesheet|null $data */
                 $data = $event->getData();
                 if (null === $data || null === $data->getEnd()) {
                     $event->getForm()->get('duration')->setData(null);