On 6/6/07, Brad Fuller <bfuller@xxxxxxxxxxxxxxxx> wrote:
Hey guys,
I'm faced with an interesting problem, and wondering if there's an easy
solution.
I need to strip out a domain name from a URL, and ignore subdomains (like
www)
I can use parse_url to get the hostname. And my first thought was to take
the last 2 segments of the hostname to get the domain. So if the URL is
http://www.example.com/
Then the domain is "example.com." If the URL is http://example.org/ then
the domain is "example.org."
This seemed to work perfectly until I come across a URL like
http://www.example.co.uk/
My script thinks the domain is "co.uk."
So I added a bit of code to account for this, basically if the 2nd to last
segment of the hostname is "co" then take the last 3 segments.
Then I stumbled across a URL like http://www.example.com.au/
So it occurred to me that this is not the best solution, unless I have a
definitive list of all exceptions to go off of.
Does anyone have any suggestions?
Any advice is much appreciated.
Thanks,
Brad
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Well, it's not very clean, but if you just need to remove the
subdomain/CNAME from the domain....
<?
$hostname = parse_url($_SERVER['SERVER_NAME']);
$domsplit = explode('.',$hostname['path']);
for($i=1;$i<count($domsplit);$i++) {
$i == (count($domsplit) - 1) ? $domain .= $domsplit[$i] :
$domain .= $domsplit[$i].".";
}
echo $domain;
?>
There's probably a much better way to do it, but in the interest
of a quick response, that's one way.
--
Daniel P. Brown
[office] (570-) 587-7080 Ext. 272
[mobile] (570-) 766-8107
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