Return types

exam/config/Config.php

@@ -34,22 +34,22 @@ class Config
     return self::$instances[$cls];
   }
 
-  public static function getBasePath()
+  public static function getBasePath(): string
   {
     return Config::getInstance()->app["basePath"];
   }
 
-  public static function getBaseFSPath()
+  public static function getBaseFSPath(): string
   {
     return Config::getInstance()->app["baseFSPath"];
   }
 
-  public static function getStoragePath()
+  public static function getStoragePath(): string
   {
     return Config::getInstance()->app["storagePath"];
   }
 
-  public static function getDatabase()
+  public static function getDatabase(): array
   {
     return Config::getInstance()->database;
   }