Вывести данные контекстов

<?php
$contexts = $modx->getCollection('modContext', array('key:!=' => 'mgr'));
foreach ($contexts as $c) {

    $data = array(
        'key' => $c->key,
        'name' => $c->name,
        'url' => $c->getOption('site_url'),
    );
    print_r($data);
}

Array ( [key] => abakan [name] => Абакан [url] => http://abakan.site.ru ) Array ( [key] => web [name] => Красноярск [url] => http://abakan.site.ru )