Fix "passing null is deprecated"

diff --git a/galette/lib/Galette/Util/Password.php b/galette/lib/Galette/Util/Password.php
index 16718c56c7372cf1696870f766c709aca980c348..b7fabe6863a38dbdeae131d5600466b71d88ba69 100644 (file)
--- a/galette/lib/Galette/Util/Password.php
+++ b/galette/lib/Galette/Util/Password.php
@@ -226,7 +226,15 @@ class Password
     {
         $this->personal_infos = array_merge(
             $this->personal_infos,
-            array_map('mb_strtolower', array_values($infos))
+            array_map(
+                function ($info) {
+                    if ($info !== null) {
+                        return mb_strtolower($info);
+                    }
+                    return $info;
+                },
+                array_values($infos)
+            )
         );
         return $this->personal_infos;
     }