note 101042 added to function.gethostname

After trying it to use (Getting to know sockets for php) I found that on linux it aint possible either to use this option the same as that the program "PHPDesigner" didn't find it. I am getting the "function not found" error: Fatal error: Call to undefined function gethostname() in xxxx/gethostname.php on line 10 either way this function doesn't work in my stand of view ---- Server IP: 213.249.64.162 Probable Submitter: 94.209.35.55 ---- Manual Page -- http://www.php.net/manual/en/function.gethostname.php Edit -- https://master.php.net/note/edit/101042 Del: integrated -- https://master.php.net/note/delete/101042/integrated Del: useless -- https://master.php.net/note/delete/101042/useless Del: bad code -- https://master.php.net/note/delete/101042/bad+code Del: spam -- https://master.php.net/note/delete/101042/spam Del: non-english -- https://master.php.net/note/delete/101042/non-english Del: in docs -- https://master.php.net/note/delete/101042/in+docs Del: other reasons-- https://master.php.net/note/delete/101042 Reject -- https://master.php.net/note/reject/101042 Search -- https://master.php.net/manage/user-notes.php