V4 default installs to do!

These are lists of things one needs to do in a Default V4 install to be sure all is ok (bug corrections).

Do not comment on this just post the correct code and a small description

(FOR BOTS TO PARSE YOUR SITE (eg:google bot)[list]

[]Open the app/addons/statistics/func.php file.

]Replace the following line:


'client_language' => $_SERVER['HTTP_ACCEPT_LANGUAGE'],
```<br />
with this one:<br />
'client_language' => !empty($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : '',