Small simplifications

Author: flack

lib/errors.php

@@ -186,17 +186,9 @@ public function get_function_stack(?Throwable $error = null)
             }
             if (array_key_exists('class', $frame)) {
                 $line .= $frame['class'];
-                if (array_key_exists('type', $frame)) {
-                    $line .= $frame['type'];
-                } else {
-                    $line .= '::';
-                }
-            }
-            if (array_key_exists('function', $frame)) {
-                $line .= $frame['function'];
-            } else {
-                $line .= 'require, include or eval';
+                $line .= $frame['type'] ?? '::';
             }
+            $line .= $frame['function'] ?? 'require, include or eval';
             $stacktrace[] = $line;
         }
 

lib/midcom/helper/nav/item.php

@@ -40,11 +40,7 @@ protected function get_cache() : midcom_services_cache_module_nap
     public function __get($name)
     {
         $name = $this->translate_name($name);
-        $data = $this->get_data();
-        if (!array_key_exists($name, $data)) {
-            return null;
-        }
-        return $data[$name];
+        return $this->get_data()[$name] ?? null;
     }
 
     /**