仅在非完整路径中获取域名

Question

I know I can parse full url with parse_url in php, but my problem is when I have not full url ormat, how can I get domain name.

my urls are in 2 condtion sometimes in full path and sometimes in not full path,

as example
blahblah.com/ddddd/fffff/a.php?ddddd
http://blahblah.com/ddddd/fffff/a.php?ddddd

I want it return me blahbla.com

my url is not browser url,treat them like a variable not current url

Answer 1

tricky way :)

 $url_p=  parse_url($url);

    if(!isset($url_p['scheme'])){
        $url='http://'.$url;
        $url_p=parse_url($url);
    }
echo $url_p['host'];