* fixed redirects when BASE_DIR is empty

system/functions.php

@@ -1195,4 +1195,12 @@ function load_config_lua($filename)
 	$result = array_merge($result, isset($config['lua']) ? $config['lua'] : array());
 	return $result;
 }
+
+function str_replace_first($search, $replace, $subject) {
+    $pos = strpos($subject, $search);
+    if ($pos !== false) {
+        return substr_replace($subject, $replace, $pos, strlen($search));
+    }
+    return $subject;
+}
 ?>