파라미터없이 lang()함수 사용시 현재 사용하고 있는 언어타입 반환

lang 에 set 메소드를 추가함 (실제로 set이 되지않는 문제수정)

common/framework/lang.php

@@ -50,6 +50,16 @@ class Lang
 		$this->_loaded_plugins['_custom_'] = new \stdClass();
 	}
 	
+	/**
+	 * Return language type.
+	 * 
+	 * @return string
+	 */
+	public function langType()
+	{
+		return $this->_language;
+	}
+	
 	/**
 	 * Load translations from a plugin (module, addon).
 	 * 
@@ -187,6 +197,18 @@ class Lang
 		return $this->__call($key, $args);
 	}
 	
+	/**
+	 * Generic setter.
+	 * 
+	 * @param string $key
+	 * @param string $value
+	 * @return void
+	 */
+	public function set($key, $value)
+	{
+		$this->__set($key, $value);
+	}
+	
 	/**
 	 * Magic method for translations without arguments.
 	 * 

common/functions.php

@@ -32,7 +32,7 @@ function config($key, $value = null)
  * @param string $value `$code`s value
  * @return mixed
  */
-function lang($code, $value = null)
+function lang($code = null, $value = null)
 {
 	if (!$GLOBALS['lang'] instanceof Rhymix\Framework\Lang)
 	{
@@ -40,14 +40,18 @@ function lang($code, $value = null)
 		$GLOBALS['lang']->loadDirectory(RX_BASEDIR . 'common/lang', 'common');
 	}
 	
-	if ($value === null)
+	if ($code !== null && $value === null)
 	{
 		return $GLOBALS['lang']->get($code);
 	}
-	else
+	else if ($code !== null && $value !== null)
 	{
 		$GLOBALS['lang']->set($code, $value);
 	}
+	else
+	{
+		return $GLOBALS['lang']->langType();
+	}
 }
 
 /**