emptyUserGroup.php

Go to the documentation of this file.

<?php
 
require_once __DIR__ . '/Maintenance.php';
 
use MediaWiki\MediaWikiServices;
 
class EmptyUserGroup extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Remove all users from a given user group' );
        $this->addArg( 'group', 'Group to be removed', true );
    }
 
    public function execute() {
        $group = $this->getArg( 0 );
 
        $lb = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
 
        $users = User::findUsersByGroup( $group );
 
        $count = iterator_count( $users );
 
        $this->output( "Removing $count users from $group..." );
 
        foreach ( $users as $user ) {
            $user->removeGroup( $group );
 
            $lb->waitForReplication();
        }
 
        $this->output( " Done!\n" );
    }
}
 
$maintClass = EmptyUserGroup::class;
require_once RUN_MAINTENANCE_IF_MAIN;