Travis Derouin wrote:

I'm trying to extend QueryPage into an extension, which should be pretty simple. If I declare the class in a new file located in the extensions subdirectory to extend QueryPage:

class BuddyPage extends PageQueryPage { }

I get:

Fatal error: Class 'PageQueryPage' not found in /var/www/html/mediawiki-1.11.0/extensions/BuddyPage.php on line 21

Generally what you should be doing is adding your file to $wgAutoloadClasses in the extension's loader file; then the file gets loaded on-demand when the class actually gets used. Something like:

$wgAutoloadClasses['PageQueryPage'] = dirname(__FILE__).'/PageQueryPage.php';

QueryPage.php will be similarly loaded on demand when actually needed, at a time when things are initialized properly.

But if I include QueryPage.php:

require_once('QueryPage.php');

I get the error:

Fatal error: Call to undefined function wfRunHooks() in /var/www/html/mediawiki-1.11.0/includes/QueryPage.php on line 46

IMHO QueryPage.php is not constructed very nicely. The class definition and the building of a list of generatable query pages should probably not be in the same file.

But you should sidestep this problem via the above loading technique.

-- brion vibber (brion @ wikimedia.org)

I see brion already replied. At any rate, be aware that you should NOT use isExpensive() as true, as the updatespecialpages.php file will get confused.

Travis Derouin-2 wrote:

Hi,

I'm trying to extend QueryPage into an extension, which should be pretty simple. If I declare the class in a new file located in the extensions subdirectory to extend QueryPage:

class BuddyPage extends PageQueryPage { }

I get:

Fatal error: Class 'PageQueryPage' not found in /var/www/html/mediawiki-1.11.0/extensions/BuddyPage.php on line 21

But if I include QueryPage.php:

require_once('QueryPage.php');

I get the error:

Fatal error: Call to undefined function wfRunHooks() in /var/www/html/mediawiki-1.11.0/includes/QueryPage.php on line 46

Seems like a bit of a chicken and egg problem, any ideas?

Travis

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