Example #1
0
 static function upgrade_to($ver)
 {
     $file = upgrade::download($ver);
     if (is_array($file)) {
         $res = $file;
     } else {
         $res = upgrade::extract($ver, $file);
         io::unlink($file);
     }
     if ($res['status'] == 0) {
         upgrade::switch_to($ver);
     }
     return $res;
 }