-require_once("include/bbcode.php");
-require_once('include/security.php');
-require_once('include/conversation.php');
-require_once('mod/dirfind.php');
+require_once "include/bbcode.php";
+require_once 'include/security.php';
+require_once 'include/conversation.php';
+require_once 'mod/dirfind.php';