Posted by Curtis on 02/23/07 05:49

xhe wrote:
> On Feb 22, 8:30 pm, Rik <luiheidsgoe...@hotmail.com> wrote:
>> xhe <hexuf...@gmail.com> wrote:
>>> The first line is the IP address that I am checking.
>>> It is
>>> $url="http://www.ntc.gov.au/ViewPage.aspx?page=A02400304500100020";
>> Call me insane, I see no IP address. Do you mean a DNS, or a URL?
>> DNS:
>> <http://www.php.net/pareseurl>
>> <http://www.php.net/gethostbyname>
>>
>> URL checking should normally be possible with fopen(), if
allow_url_fopen
>> is enabled.
>> --
>> Rik Wasmus
>
> if we use this one
> if(fopen("http://www.ntc.gov.au","r"))
> {
> echo "success";
> }else
> {
> echo "false";
> }
> result is false.
>
> with fsockopen, we can ONLY check "www.ntc.gov.au", and we can not
> check if the whole url is reachable or not.
> It seemed that fsockopen is only valid to check host name, while not
> the whole ip string.
>
> Any good idea to check the who ip string instead of just host name?
>
> thanks.

That's because you need to send the request using HTTP headers (if
trying to communicate with a Web server). Also, you're checking if a
resource exists on a server, you're not checking an IP address.
www.ntc.gov.au is a domain.

You should become best friends with Google for a while.

--
Curtis, http://dyersweb.com

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