note 123821 added to faq

I found out that when I lost connection with MySql database method mysqli_query returns NULL. There is no information in the documentation about NULL that can be returned by this method. ---- Server IP: 208.43.231.9 Probable Submitter: 185.85.3.142 (proxied: 80.48.159.1) ---- Manual Page -- http://php.net/manual/en/faq.php Edit -- https://master.php.net/note/edit/123821 Del: integrated -- https://master.php.net/note/delete/123821/integrated Del: useless -- https://master.php.net/note/delete/123821/useless Del: bad code -- https://master.php.net/note/delete/123821/bad+code Del: spam -- https://master.php.net/note/delete/123821/spam Del: non-english -- https://master.php.net/note/delete/123821/non-english Del: in docs -- https://master.php.net/note/delete/123821/in+docs Del: other reasons-- https://master.php.net/note/delete/123821 Reject -- https://master.php.net/note/reject/123821 Search -- https://master.php.net/manage/user-notes.php