use array|string|null on index, and int|null for filter

Author: samsonasik

system/HTTP/RequestTrait.php

@@ -191,7 +191,7 @@ private function getClientIP(string $header): ?string
      * Fetch an item from the $_SERVER array.
      *
      * @param array|string|null $index  Index for item to be fetched from $_SERVER
-     * @param int|string|null   $filter A filter name to be applied
+     * @param int|null          $filter A filter name to be applied
      * @param array|int|null    $flags
      *
      * @return mixed
@@ -204,9 +204,9 @@ public function getServer($index = null, $filter = null, $flags = null)
     /**
      * Fetch an item from the $_ENV array.
      *
-     * @param string|null     $index  Index for item to be fetched from $_ENV
-     * @param int|string|null $filter A filter name to be applied
-     * @param array|int|null  $flags
+     * @param array|string|null $index  Index for item to be fetched from $_ENV
+     * @param int|null          $filter A filter name to be applied
+     * @param array|int|null    $flags
      *
      * @return mixed
      */