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);