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 Posted by ctiggerf on 02/23/07 14:19 
On Feb 23, 12:49 am, Curtis <zer0d...@verizon.net> wrote: 
> xhe wrote: 
<snip> 
> 
> You should become best friends with Google for a while. 
> 
> -- 
> Curtis,http://dyersweb.com 
 
/Agreed 
 
But to answer your question (without reading the post that is) of how 
to validate an ip address in php ... 
 
<?php 
$ip = '192.168.1'; 
if (($longip = ip2long($ip)) !== false) { 
  printf("%u<br>", $longip); 
  if ($ip == long2ip($longip)) { 
    echo "IP: $ip appears to be ok"; 
  } else { 
    echo "$ip does not seem to match " . 
      long2ip($longip); 
  } 
} else { 
  echo "IP appears to be invalid"; 
} 
?> 
 
For an explanation ... 
http://www.jimgrill.com/pages/content/validateip 
 
Which just happened to be the first result on Google for "valid ip 
address php". 
--Chris F.
 
  
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