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Re: PHP RDF fetching code

From: Hugh Glaser <hg@ecs.soton.ac.uk>
Date: Mon, 25 Jan 2010 22:10:44 +0000
To: Mischa Tuffield <mmt04r@ecs.soton.ac.uk>
CC: "public-lod@w3.org" <public-lod@w3.org>
Message-ID: <EMEW3|bfa79482c793b9bfc09ac642fde0c6cam0OMAp02hg|ecs.soton.ac.uk|C783C764.FB43%hg@ecs.soton.ac.uk>
Thanks mate.

On 25/01/2010 20:01, "Mischa Tuffield" <mmt04r@ecs.soton.ac.uk> wrote:

> Hi Hugh, 
> 
> The code you posted seems sane to me. It is very similar to the php we use to
> make sparql-queries. My only comment being that you probably want to have a
> line which closes curl connection after you have used it.
> 
> something like : 
> 
> <!--
> curl_close($ch);
> -->
> 
> You could also set a User Agent, to identify your self to the website's you
> are fetching RDF from, you would do it like so :
> 
> <!--
> curl_setopt($ch, CURLOPT_USERAGENT, "hugh's crawler 0.1");
> -->
> 
> I hope this helps,
> 
> Mischa
> 
> On 25 Jan 2010, at 18:10, Hugh Glaser wrote:
> 
>> OK, herešs some fun for you...
>> (Excuse me if it has been discussed before, and just point me at it :-) )
>> 
>> 
>> Having struggled through the php manual for cURL, I have come up with the
>> following draft for getting an RDF document, given a URI.
>> 
>>                        $ch = curl_init();
>>                        curl_setopt($ch, CURLOPT_URL, $_REQUEST['uri']);
>>                        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
>>                        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
>>                        curl_setopt($ch, CURLOPT_HTTPHEADER, array("Accept:
>> application/rdf+xml, text/n3, text/rdf+n3, text/turtle, application/x-turtle,
>> application/turtle, text/plain"));
>>                        $data = curl_exec($ch);
>>                        $info = curl_getinfo($ch);
>> 
>>                        if ($data === FALSE || $info['http_code'] != 200) {
>> 
>> What does anyone think?
>> Išm sure there are a bunch of improvements/corrections.
>> 
>> As a (hopefully) separate issue, the MIME types will probably generate some
>> discussion, but it is the PHP I am primarily asking about at the moment.
>> 
>> Best
>> Hugh
>> 
> 
> _________________________________
> Mischa Tuffield
> ECS - http://www.ecs.soton.ac.uk/
> Homepage - http://users.ecs.soton.ac.uk/mmt04r/
> Identity - http://id.ecs.soton.ac.uk/person/6914
> WebID - http://mmt.me.uk/foaf.rdf#mischa
> 
> 
> 
> 
> 
Received on Monday, 25 January 2010 22:20:33 UTC

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