if($dh = opendir($versions_dir)){
$versions_dir .= $versions_dir && substr($versions_dir, -1) != "/" ? "/" : "";
while(($file = readdir($dh)) !== false){
if($dh = opendir($versions_dir)){
$versions_dir .= $versions_dir && substr($versions_dir, -1) != "/" ? "/" : "";
while(($file = readdir($dh)) !== false){