2018-03-11

app/Core/Secury.php

@@ -119,7 +119,7 @@ class Secury
         $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_';
         $result = '';
         for ($i = 0; $i < $len; ++$i) {
-            $result .= \substr($chars, (\ord($key[$i]) % \strlen($chars)), 1);
+            $result .= $chars{\ord($key{$i}) % 64};
         }
         return $result;
     }