Re: IP and gethostbyaddr() --- difference?

From: Date: Sat, 13 Dec 2008 23:42:58 +0000
Subject: Re: IP and gethostbyaddr() --- difference?
References: 1  Groups: php.general 
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test, ignore ""Martin Zvarík"" <mzvarik@gmail.com> escribió en el mensaje de noticias news:F0.AC.47862.F2544494@pb1.pair.com...
Hello, I am doing a view stats for my website. I've seen that many of such statistic scripts store two values to identify the visitor: IP and getHostByAddr(IP) I've been searching..., but I don't get why the IP address isn't enough by itself?! What is the getHostByAddr() = Internet host name for? When IP changes the hostname does too and vice-versa? What's the difference between these two values? And why do I need both of them? Martin


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