diff --git a/include/functions.php b/include/functions.php
index cb9e04bd..f96c9b49 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -4416,4 +4416,12 @@ function saveSetting($prefix, $nameAndValue)
     sql_query($sql) or sqlerr(__FILE__, __LINE__);
 }
 
+function getFullDirectory($dir)
+{
+    if (!is_dir($dir)) {
+        $dir = ROOT_PATH . $dir;
+    }
+    return realpath($dir);
+}
+
 ?>