Modernize to PHP 7.4

src/Controller/Api/EntryRestController.php

@@ -132,9 +132,7 @@ class EntryRestController extends WallabagRestController
         }
 
         if (false === $returnId) {
-            $results = array_map(function ($v) {
-                return null !== $v;
-            }, $results);
+            $results = array_map(fn ($v) => null !== $v, $results);
         }
 
         $results = $this->replaceUrlHashes($results, $urlHashMap);

src/Controller/ConfigController.php

@@ -367,9 +367,7 @@ class ConfigController extends AbstractController
 
         $backupCodes = (new BackupCodes())->toArray();
         $backupCodesHashed = array_map(
-            function ($backupCode) {
-                return password_hash($backupCode, \PASSWORD_DEFAULT);
-            },
+            fn ($backupCode) => password_hash($backupCode, \PASSWORD_DEFAULT),
             $backupCodes
         );