get subdomain in php

Question

I have following urls.

reservation.abchotel.com
booking.abchotels.org
abc1.abc.dev

I want to get sub domain from above urls.

ex:-

.abchotel.com
.abchotels.org
.abc.dev

How I do it? I'm using zend feamwork. Please help me. What is the best solution?

in your exemple, you don't get the subdomains, but the domains. the sub domaines are "reservation","booking"... or did you mean "strip" instead of "get" ? — Frederik Eychenié, Sep 20 '11 at 06:34
and what do you want to do with your domain or sub-domains? the answer could depend on it — Frederik Eychenié, Sep 20 '11 at 06:35
thanks Frederik. I use this cord for add my google analytic code. — Dinuka Thilanga, Sep 20 '11 at 06:47

score 1 · Answer 1 · edited May 23 '17 at 10:24

It seems you don't want the subdomain but the domain. Because what you listed are not the subdomains.

The following pieces of knowledge will enable you to successfully deal with domain names.

Zend_Validate_Hostname - also good to look at the code
PHP Server variables
String manipulation in general. Hostnames are easy to in- and explode since they're always delimited by dots.
PHP parse_url

See also[this question on SO on how to get subdomain(s) from an url.

score 0 · Accepted Answer · answered Sep 20 '11 at 06:35

0

If they are always in that form you could do something like the following (assuming $url is set).

$split_url = explode(".", $url);
$subdomain = ".".$split_url[1].".".$split_url[2];

Or did you want to know how to get the URL in the first place too, or to allow for more than 3-level domains?

answered Sep 20 '11 at 06:35

Alex Hadley

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is there no way to handle other forms? – Your Common Sense Sep 20 '11 at 06:46

score 0 · Answer 3 · answered Sep 20 '11 at 07:04

A very simple way to get domain and subdomain :

$parts = explode('.', $_SERVER['HTTP_HOST']);

$domain = '.' . implode( '.', array_reverse( 
              array(
                 array_pop($parts),
                 array_pop($parts)
              )
          );
$subdomain = implode('.',$parts);

score 0 · Answer 4 · answered Sep 20 '11 at 07:06

0

$url = $_SERVER["SERVER_NAME"];
$replace_domains = array(
  ".abchotel.com" => "",
  ".abchotels.org" => "",
  ".abc.dev" => "");

$url = str_replace(array_keys($replace_domains), array_values($replace_domains), $url);

echo $url;

answered Sep 20 '11 at 07:06

Bluewind

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Looking at the other answers, it looks like you don't want the subdomain, but the domain. It's .. – Bluewind Sep 20 '11 at 07:08

get subdomain in php

4 Answers4