[Mediawiki-l] php API query <- possible?

[Adam Meyer]

Im on 1.14

So say, I wanted to query the main page for a list of all of its  
categories, I would think I could do this.

$params = array (
	'action' => 'query',
	'prop' => 'categories',
	'cllimit' => 500,
	'titles' => 'Main Page',
	'format' => 'json'
);

$api = new ApiMain($params);
$api->execute();
$data = & $api->getResultData();

But I get
Call to a member function getVal() on a non-object in includes/api/ 
ApiMain.php on line 146

So I figure this is not how it is done.


On Jun 20, 2009, at 2:27 AM, Michael Daly wrote:

> When you said "through plain PHP," I interpreted that to mean outside
> the wiki - i.e. a stand alone PHP program.  You could do that the  
> way I
> showed, but what you are pointing to with that URL is for use within  
> the
> wiki - e.g. from within an extension.
>
> What version of MW are you using - the hook function you need may be  
> in
> your version if you are not running 1.14 or 1.15.
>
> Without seeing details of what you're doing, anything I say would be a
> wild guess.
>
>
> Adam Meyer wrote:
>> It looks like this would be my answer.
>> http://www.mediawiki.org/wiki/API:Calling_internally
>>
>> But it dosnt work.
>> I get some error about a hook function missing or something.
>>
>> But I would love it if it could work this easily.
>>
>>
>> On Jun 19, 2009, at 9:28 PM, Michael Daly wrote:
>>
>>> Adam Meyer wrote:
>>>
>>>> Is this doable?
>>> There may be a better way to do this, but...
>>>
>>> In PHP, you can get the wiki page as if it was a file:
>>>
>>> $myPageUrl ="http://example.com/api.php?action=parse&text={{:Main
>>> Page}}__TOC__&prop=sections";
>>> // set to 20 second timeout then restore.
>>> $currentTimeout = ini_set( 'default_socket_timeout', "20" );
>>> $myPage = file($myPageUrl);
>>> ini_set( 'default_socket_timeout', $currentTimeout );
>>>
>>>
>>> This will produce a list of section headers.  Count them to see what
>>> the
>>> last one is.
>>>
>>> I've found it useful to ensure that any timeouts due to the web page
>>> access are trapped here and don't run into the overall program
>>> timeout.
>>> Restore the old timeout once the page is read.
>>>
>>> If you need to set up a session (e.g. to log in and stay logged in
>>> while
>>> you get data from pages) look up curl in the online PHP manual.
>>>
>>> Mike
>>>
>>>
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>>
>>
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