note 76373 added to function.shell-exec

regarding the "ping" test that was mentioned by andy25it at hotmail dot it: this might not work if the target server is behind a firewall which drops icmp packets. a better approach would be the use of fsockopen(), which doesn't use icmp. in the notes section of the function list, Alexander Wegener wrote a nice implementation of an isOnline() function which works with both http and https. ---- Server IP: 212.124.37.9 Probable Submitter: 62.225.4.51 ---- Manual Page -- http://www.php.net/manual/en/function.shell-exec.php Edit -- https://master.php.net/note/edit/76373 Del: integrated -- https://master.php.net/note/delete/76373/integrated Del: useless -- https://master.php.net/note/delete/76373/useless Del: bad code -- https://master.php.net/note/delete/76373/bad+code Del: spam -- https://master.php.net/note/delete/76373/spam Del: non-english -- https://master.php.net/note/delete/76373/non-english Del: in docs -- https://master.php.net/note/delete/76373/in+docs Del: other reasons-- https://master.php.net/note/delete/76373 Reject -- https://master.php.net/note/reject/76373 Search -- https://master.php.net/manage/user-notes.php