获取没有 TLD 的域名
我这里有这段代码:
// get host name from URL
preg_match('@^(?:http://)?([^/]+)@i',
"http://www.joomla.subdomain.php.net/index.html", $matches);
$host = $matches[1];
// get last two segments of host name
preg_match('/[^.]+\.[^.]+$/', $host, $matches);
echo "domain name is: {$matches[0]}\n";
输出将是 php.net
我只需要 php
而无需 .net
I have this code right here:
// get host name from URL
preg_match('@^(?:http://)?([^/]+)@i',
"http://www.joomla.subdomain.php.net/index.html", $matches);
$host = $matches[1];
// get last two segments of host name
preg_match('/[^.]+\.[^.]+$/', $host, $matches);
echo "domain name is: {$matches[0]}\n";
The output will be php.net
I need just php
without .net
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虽然正则表达式在这里很好,但我建议
parse_url
这适用于TLD 类似于 .com、.org、.net 等,但不适用于 .co.uk 或 .com.mx。您需要更多的逻辑(很可能是 tld 数组)来解析它们。
Although regexes are fine here, I'd recommend
parse_url
This will work for TLD's like .com, .org, .net, etc. but not for .co.uk or .com.mx. You'd need some more logic (most likely an array of tld's) to parse those out .
将第二个正则表达式的第一部分分组为
/([^.]+)\.[^.]+$/
和$matches[1]
将是 phpGroup the first part of your 2nd regex into
/([^.]+)\.[^.]+$/
and$matches[1]
will be php迟到的答案,它不适用于子域,但它确实适用于任何
tld
(co.uk、com.de 等):演示
Late answer and it doesn't work with subdomains, but it does work with any
tld
(co.uk, com.de, etc):Demo
这非常简单:
要获取域名,只需
返回 $domain_name
,它仅适用于顶级域名。对于子域名,您将获得子域名。It's really easy:
To get the domain name, simply
return $domain_name
, it works only with top level domain. In the case of subdomains you will get the subdomain name.