From 7f02130ff24f563c3eef05bd4de1746209ed0208 Mon Sep 17 00:00:00 2001
From: Pol Dellaiera <pol.dellaiera@protonmail.com>
Date: Tue, 16 Nov 2021 20:58:28 +0100
Subject: [PATCH] fix: Return type of getAge().

Issue highlighted by c68bda5c9b894236860fe1bacca8c9467052eb07.
---
 src/Bundle/ChillPersonBundle/Entity/Person.php | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Bundle/ChillPersonBundle/Entity/Person.php b/src/Bundle/ChillPersonBundle/Entity/Person.php
index e17bd5ceb..fc6a7058f 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Person.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Person.php
@@ -839,16 +839,16 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
      *
      * If the person has a deathdate, calculate the age at the deathdate.
      *
-     * @param string $at a valid string to create a DateTime
-     * @return int|null
+     * @param string $at A valid string to create a DateTime.
      */
-    public function getAge($at = 'now'): ?int
+    public function getAge(string $at = 'now'): ?int
     {
         if ($this->birthdate instanceof \DateTimeInterface) {
             if ($this->deathdate instanceof \DateTimeInterface) {
-                return date_diff($this->birthdate, $this->deathdate)->format("%y");
+                return (int) date_diff($this->birthdate, $this->deathdate)->format('%y');
             }
-            return date_diff($this->birthdate, date_create($at))->format("%y");
+
+            return (int) date_diff($this->birthdate, date_create($at))->format('%y');
         }
 
         return null;