Update Env class

src/Runtime/Config/Env.php

@@ -15,26 +15,29 @@ class Env {
         $dotenv = Dotenv::createImmutable('../');
         $dotenv->load();
 
-        $result = getenv(strtoupper($key));
-
-        return self::filter($result);
+        return self::filter($dotenv, $key);
     }
 
     /**
-     * @param string $result
+     * @param Dotenv $dotenv
+     * @param string $key
      * @return mixed
      */
-    private static function filter(string $result)
+    private static function filter($dotenv, string $key)
     {
-        switch ($result) {
-            case in_array($result, ['true', 'false']):
-                return filter_var($result, FILTER_VALIDATE_BOOLEAN);
-                break;
-            case filter_var($result, FILTER_VALIDATE_INT):
-                return (int) $result;
-                break;
-            default:
-                return $result;
+        $key = strtoupper($key);
+        if (!$dotenv->ifPresent($key)) return false;
+
+        $result = getenv($key);
+
+        if($dotenv->required($key)->isBoolean()) {
+            return filter_var($result, FILTER_VALIDATE_BOOLEAN);
+        }
+        else if($dotenv->required($key)->isInteger()) {
+            return (int) $result;
+        }
+        else {
+            return $result;
         }
     }