Extension:HideCategorizedOrphans

MediaWiki extensions manual

HideCategorizedOrphans Release status: unmaintained
Implementation	MyWiki
Description	Makes MediaWiki consider pages that belong to a category not be orphans
Author(s)	Steven Orvis (Sorvistalk)
Latest version	0.2.0 (2014-06-09)
MediaWiki	1.23+
PHP	5.3+
Database changes	No
License	GNU General Public License 2.0 or later
Download	See the code section
Hooks used LonelyPagesQuery

The HideCategorizedOrphans extension makes MediaWiki consider pages that belong to a category not be orphans. This is useful if you want to link to a category off of a page, but the links to that individual page show up nowhere else.

Installation

• Copy the code into files and place the file(s) in a directory called HideCategorizedOrphans in your extensions/ folder.
• Add the following code at the bottom of your LocalSettings.php file:

  require_once "$IP/extensions/HideCategorizedOrphans/HideCategorizedOrphans.php";
  

•  Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

Code

HideCategorizedOrphans.php

<?php
/**
 * HideCategoizedOrphans extension
 *
 * For more info see https://mediawiki.org/wiki/Extension:HideCategorizedOrphans
 *
 * @file
 * @ingroup Extensions
 * @author Steven Orvis, 2014
 * @license GNU General Public Licence 2.0 or later
 */

$wgExtensionCredits['other'][] = array(
        'path' => __FILE__,
        'name' => 'HideCategorizedOrphans',
        'author' => array(
                'Steven Orvis',
        ),
        'version'  => '0.2.0',
        'url' => 'https://www.mediawiki.org/wiki/Extension:HideCategorizedOrphans',
        'descriptionmsg' => 'Hides orphaned pages that belong to a category',
);

/* Setup */

// Register files
$wgAutoloadClasses['HideCategorizedOrphansHooks'] = __DIR__ . '/HideCategorizedOrphans.hooks.php';

// Register hooks
$wgHooks['LonelyPagesQuery'][] = 'HideCategorizedOrphansHooks::onLonelyPagesQuery';

HideCategorizedOrphans.hooks.php

<?php
/**
 * Hooks for HideCategorizedOrphans extension
 *
 * @file
 * @ingroup Extensions
 */

class HideCategorizedOrphansHooks {

        /**
         * Add condition to LonelyPagesQuery to hide pages in categories
         */
        public static function onLonelyPagesQuery( &$tables, &$conds, &$joinConds) {
                $joinConds['categorylinks'] = array(
                        'LEFT JOIN', array(
                                'cl_from = page_id'
                        )
                );

                $tables[] = 'categorylinks';

                $conds[] = 'cl_from is null';
                return true;
        }
}