Yes, you are wrong. -----Original Message----- From: SolidDigital To: php-windows@lists.php.net Sent: 2003-12-01 20:10 Subject: Re: Re: How to find out if PC is online What i meant to say was if gethostbyaddr(ipadress) responds with something else than the ipadress then this PC must be online. Or am I wrong?? Jocjem B.A.T. Svensson wrote: > And precisly how does the mechnaism with gethostbyaddr(), > e.g. an DNS request, work to be able to resolve the issue > about weather a particular host i online or not? > > As far as I know this is not possible. The only thing one might > be able to say after a successfull DNS look up is this-or-that > host has a registered entry in the DNS server. Nothing more can > be deduced. > > If I messed something here, please fill me in. > > -----Original Message----- > From: J.Veenhuijsen > To: php-windows@lists.php.net > Sent: 2003-12-01 12:53 > Subject: Re: How to find out if PC is online > > Try : > > gethostbyaddr (PHP 3, PHP 4 ) > Get the Internet host name corresponding to a given IP address > string gethostbyaddr (string ip_address) > Returns the host name of the Internet host specified by ip_address. If > an error occurs, eturns > ip_address. > See also gethostbyname(). > > Jochem > > Jan Hrebenar wrote: > >>Hello All, >> >>I`d like to make script which will detect >>if my computer at IP xxx.xxx.xxx.xxx is online. >>I try to use system("ping") but this function >>is not allowed on server. >> >>Can somebody tell me if exist any other way >>to do this? >> >>Pls excuse my english > > -- PHP Windows Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Windows Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php