diff --git a/system/functions.php b/system/functions.php
index 168bf0d2..c57e53bd 100644
--- a/system/functions.php
+++ b/system/functions.php
@@ -948,16 +948,14 @@ function get_browser_real_ip() {
 	return '0';
 }
 function setSession($key, $data) {
-	global $config;
-	$_SESSION[$config['session_prefix'] . $key] = $data;
+	$_SESSION[config('session_prefix') . $key] = $data;
 }
 function getSession($key) {
-	global $config;
-	return (isset($_SESSION[$config['session_prefix'] . $key])) ? $_SESSION[$config['session_prefix'] . $key] : false;
+	$key = config('session_prefix') . $key;
+	return isset($_SESSION[$key]) ? $_SESSION[$key] : false;
 }
 function unsetSession($key) {
-	global $config;
-	unset($_SESSION[$config['session_prefix'] . $key]);
+	unset($_SESSION[config('session_prefix') . $key]);
 }
 
 function getTopPlayers($limit = 5) {
@@ -1026,6 +1024,15 @@ function deleteDirectory($dir) {
 	return rmdir($dir);
 }
 
+function config($key) {
+	global $config;
+	if (is_array($key)) {
+		return $config[$key[0]] = $key[1];
+	}
+
+	return $config[$key];
+}
+
 // validator functions
 require_once LIBS . 'validator.php';
 require_once SYSTEM . 'compat.php';
diff --git a/system/twig.php b/system/twig.php
index 5d30bcfe..ae78ab8c 100644
--- a/system/twig.php
+++ b/system/twig.php
@@ -26,6 +26,11 @@ $function = new Twig_SimpleFunction('hook', function ($hook) {
 });
 $twig->addFunction($function);
 
+$function = new Twig_SimpleFunction('config', function ($key) {
+	return config($key);
+});
+$twig->addFunction($function);
+
 $filter = new Twig_SimpleFilter('urlencode', function ($s) {
 	return urlencode($s);
 });