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<?php |
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/** |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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* @ingroup Maintenance |
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*/ |
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require_once __DIR__ . '/Maintenance.php'; |
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/** |
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* Maintenance script that deletes all pages in the MediaWiki namespace |
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* of which the content is equal to the system default. |
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* |
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* @ingroup Maintenance |
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*/ |
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class DeleteEqualMessages extends Maintenance { |
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public function __construct() { |
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parent::__construct(); |
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$this->addDescription( 'Deletes all pages in the MediaWiki namespace that are equal to ' |
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. 'the default message' ); |
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$this->addOption( 'delete', 'Actually delete the pages (default: dry run)' ); |
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$this->addOption( 'delete-talk', 'Don\'t leave orphaned talk pages behind during deletion' ); |
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$this->addOption( 'lang-code', 'Check for subpages of this language code (default: root ' |
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. 'page against content language). Use value "*" to run for all mwfile language code ' |
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. 'subpages (including the base pages that override content language).', false, true ); |
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} |
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/** |
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* @param string|bool $langCode See --lang-code option. |
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* @param array &$messageInfo |
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*/ |
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protected function fetchMessageInfo( $langCode, array &$messageInfo ) { |
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global $wgContLang; |
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if ( $langCode ) { |
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$this->output( "\n... fetching message info for language: $langCode" ); |
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$nonContLang = true; |
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} else { |
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$this->output( "\n... fetching message info for content language" ); |
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$langCode = $wgContLang->getCode(); |
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$nonContLang = false; |
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} |
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/* Based on SpecialAllmessages::reallyDoQuery #filter=modified */ |
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$l10nCache = Language::getLocalisationCache(); |
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$messageNames = $l10nCache->getSubitemList( 'en', 'messages' ); |
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// Normalise message names for NS_MEDIAWIKI page_title |
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$messageNames = array_map( [ $wgContLang, 'ucfirst' ], $messageNames ); |
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$statuses = AllMessagesTablePager::getCustomisedStatuses( |
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$messageNames, $langCode, $nonContLang ); |
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// getCustomisedStatuses is stripping the sub page from the page titles, add it back |
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$titleSuffix = $nonContLang ? "/$langCode" : ''; |
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foreach ( $messageNames as $key ) { |
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$customised = isset( $statuses['pages'][$key] ); |
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if ( $customised ) { |
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$actual = wfMessage( $key )->inLanguage( $langCode )->plain(); |
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$default = wfMessage( $key )->inLanguage( $langCode )->useDatabase( false )->plain(); |
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$messageInfo['relevantPages']++; |
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if ( |
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// Exclude messages that are empty by default, such as sitenotice, specialpage |
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// summaries and accesskeys. |
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$default !== '' && $default !== '-' && |
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$actual === $default |
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) { |
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$hasTalk = isset( $statuses['talks'][$key] ); |
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$messageInfo['results'][] = [ |
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'title' => $key . $titleSuffix, |
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'hasTalk' => $hasTalk, |
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]; |
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$messageInfo['equalPages']++; |
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if ( $hasTalk ) { |
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$messageInfo['equalPagesTalks']++; |
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} |
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} |
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} |
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} |
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} |
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public function execute() { |
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$doDelete = $this->hasOption( 'delete' ); |
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$doDeleteTalk = $this->hasOption( 'delete-talk' ); |
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$langCode = $this->getOption( 'lang-code' ); |
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$messageInfo = [ |
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'relevantPages' => 0, |
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'equalPages' => 0, |
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'equalPagesTalks' => 0, |
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'results' => [], |
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]; |
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$this->output( 'Checking for pages with default message...' ); |
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// Load message information |
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if ( $langCode ) { |
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$langCodes = Language::fetchLanguageNames( null, 'mwfile' ); |
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if ( $langCode === '*' ) { |
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// All valid lang-code subpages in NS_MEDIAWIKI that |
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// override the messsages in that language |
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foreach ( $langCodes as $key => $value ) { |
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$this->fetchMessageInfo( $key, $messageInfo ); |
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} |
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// Lastly, the base pages in NS_MEDIAWIKI that override |
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// messages in content language |
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$this->fetchMessageInfo( false, $messageInfo ); |
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} else { |
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if ( !isset( $langCodes[$langCode] ) ) { |
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$this->error( 'Invalid language code: ' . $langCode, 1 ); |
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} |
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$this->fetchMessageInfo( $langCode, $messageInfo ); |
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} |
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} else { |
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$this->fetchMessageInfo( false, $messageInfo ); |
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} |
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if ( $messageInfo['equalPages'] === 0 ) { |
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// No more equal messages left |
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$this->output( "\ndone.\n" ); |
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return; |
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} |
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$this->output( "\n{$messageInfo['relevantPages']} pages in the MediaWiki namespace " |
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. "override messages." ); |
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$this->output( "\n{$messageInfo['equalPages']} pages are equal to the default message " |
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. "(+ {$messageInfo['equalPagesTalks']} talk pages).\n" ); |
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if ( !$doDelete ) { |
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$list = ''; |
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foreach ( $messageInfo['results'] as $result ) { |
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$title = Title::makeTitle( NS_MEDIAWIKI, $result['title'] ); |
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$list .= "* [[$title]]\n"; |
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if ( $result['hasTalk'] ) { |
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$title = Title::makeTitle( NS_MEDIAWIKI_TALK, $result['title'] ); |
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$list .= "* [[$title]]\n"; |
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} |
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} |
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$this->output( "\nList:\n$list\nRun the script again with --delete to delete these pages" ); |
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if ( $messageInfo['equalPagesTalks'] !== 0 ) { |
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$this->output( " (include --delete-talk to also delete the talk pages)" ); |
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} |
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$this->output( "\n" ); |
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return; |
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} |
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$user = User::newSystemUser( 'MediaWiki default', [ 'steal' => true ] ); |
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if ( !$user ) { |
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$this->error( "Invalid username", true ); |
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} |
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global $wgUser; |
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$wgUser = $user; |
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// Hide deletions from RecentChanges |
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$user->addGroup( 'bot' ); |
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// Handle deletion |
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$this->output( "\n...deleting equal messages (this may take a long time!)..." ); |
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$dbw = $this->getDB( DB_MASTER ); |
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foreach ( $messageInfo['results'] as $result ) { |
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wfWaitForSlaves(); |
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$dbw->ping(); |
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$title = Title::makeTitle( NS_MEDIAWIKI, $result['title'] ); |
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$this->output( "\n* [[$title]]" ); |
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$page = WikiPage::factory( $title ); |
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$error = ''; // Passed by ref |
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$success = $page->doDeleteArticle( 'No longer required', false, 0, true, $error, $user ); |
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if ( !$success ) { |
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$this->output( " (Failed!)" ); |
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} |
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if ( $result['hasTalk'] && $doDeleteTalk ) { |
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$title = Title::makeTitle( NS_MEDIAWIKI_TALK, $result['title'] ); |
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$this->output( "\n* [[$title]]" ); |
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$page = WikiPage::factory( $title ); |
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$error = ''; // Passed by ref |
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$success = $page->doDeleteArticle( 'Orphaned talk page of no longer required message', |
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false, 0, true, $error, $user ); |
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if ( !$success ) { |
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$this->output( " (Failed!)" ); |
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} |
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} |
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} |
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$this->output( "\n\ndone!\n" ); |
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} |
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} |
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$maintClass = "DeleteEqualMessages"; |
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require_once RUN_MAINTENANCE_IF_MAIN; |
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wikimedia /
mediawiki
Loading history...
The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.