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Posted by Ciaran on 07/19/07 02:46
On Jul 17, 8:59 pm, Rik <luiheidsgoe...@hotmail.com> wrote:
> On Tue, 17 Jul 2007 21:28:00 +0200, Ciaran <cronok...@hotmail.com> wrote:
> > Hi can someone give me hand with this please?
>
> > What's the best way to extract the extension from the url?
>
> > example:
> > $string="http://www.domain.co.uk/anypage.html"
> > In this example, I'd be looking for: "co.uk" but it could be "com",
> > "net" , or any other extension
>
> Why? And there is no easy way to allow for 'double extentions' like co.uk
> whithout you giving it a list of accepted doubles. There's no 'logical'
> way to allow for this.
>
> Well, to get the TLD:
>
> $string ="http://www.domain.co.uk/anypage.html";
>
> //NON REGEX WAY:
> $urlinfo = parse_url($string);
> $domaincomponents = explode('.',$urlinfo['host']);
> $extention = end($domaincomponents);
>
> //REGEX
> preg_match('%
> ^ #match at start
> (?:[a-z]+://)? #possible protocol
> [^/]*? #domainstring
> ([^/.]+) #TLD
> (?:/|$) #start of path or end of string
> %six',$string,$match);
> $extention = $match[1];
>
> If you want to allow for doubles, you'll have to provide a list of
> acceptable 'doubles', and match it to the end of the hostname.
>
> --
> Rik Wasmus
Hey thanks a lot Rik, This helps a lot!
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