note 105566 added to function.gethostbyaddr

If you use gethostbyaddr() with a bad IP address then it will send an error message to the error log. If you don't want your error log file getting too big then first check that the IP address is valid. In the following example I first check if the IP number starts with a number, if not then don't use gethostbyaddr('..') $IP = "BadValue.123.123.123"; if(intval($IP)>0){ $ServerIP = gethostbyaddr($IP); } else { $ServerIP = $IP; // A bad address. } ---- Server IP: 87.124.126.127 Probable Submitter: 90.195.232.64 (proxied: 90.195.232.64) ---- Manual Page -- http://www.php.net/manual/en/function.gethostbyaddr.php Edit -- https://master.php.net/note/edit/105566 Del: integrated -- https://master.php.net/note/delete/105566/integrated Del: useless -- https://master.php.net/note/delete/105566/useless Del: bad code -- https://master.php.net/note/delete/105566/bad+code Del: spam -- https://master.php.net/note/delete/105566/spam Del: non-english -- https://master.php.net/note/delete/105566/non-english Del: in docs -- https://master.php.net/note/delete/105566/in+docs Del: other reasons-- https://master.php.net/note/delete/105566 Reject -- https://master.php.net/note/reject/105566 Search -- https://master.php.net/manage/user-notes.php