default value for settings

src/Utils/Controller/LuticateApplication.php

         self::$_app = $this;
     }
 
-    public function getSetting($name)
+    public function getSetting($name, $default = null)
     {
         $value = getenv("lu_setting_" . $name);
         if ($value === false) {
                 $value = $this->_config['settings'][$name];
             }
             else {
-                $value = null;
+                $value = $default;
             }
         }
         return $value;

tests/LuApplicationTest.php

         putenv("lu_setting_test=24");
         $this->assertSame("24", LuticateApplication::getInstance()->getSetting("test"));
     }
+
+    public function testSettings4()
+    {
+        $this->assertSame("defaultValue", LuticateApplication::getInstance()->getSetting("not-a-setting", "defaultValue"));
+    }
 }