Description:
------------
---
From manual page: http://www.php.net/function.gmp-sign
---
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.


Manual says number but should say integer.


Test script:
---------------
<?php
ini_set('display_errors', 1);
echo gmp_sign('1');
echo gmp_sign('1.1');


Expected result:
----------------
11.1

Actual result:
--------------
1<br />
<b>Warning</b>:  gmp_sign(): Unable to convert variable to GMP - string is not an integer in <b>/var/www/public/noname2.php</b> on line <b>6</b><br />r />