note 123819 added to function.readfile

To avoid errors, just be careful whether slash "/" is allowed or not at the beginning of $file_name parameter. In my case, trying to send PDF files thru PHP after access-logging, the beginning "/" must be removed in PHP 7.1. ---- Server IP: 208.43.231.9 Probable Submitter: 119.81.81.244 (proxied: 219.162.82.254) ---- Manual Page -- http://php.net/manual/en/function.readfile.php Edit -- https://master.php.net/note/edit/123819 Del: integrated -- https://master.php.net/note/delete/123819/integrated Del: useless -- https://master.php.net/note/delete/123819/useless Del: bad code -- https://master.php.net/note/delete/123819/bad+code Del: spam -- https://master.php.net/note/delete/123819/spam Del: non-english -- https://master.php.net/note/delete/123819/non-english Del: in docs -- https://master.php.net/note/delete/123819/in+docs Del: other reasons-- https://master.php.net/note/delete/123819 Reject -- https://master.php.net/note/reject/123819 Search -- https://master.php.net/manage/user-notes.php