Backend\Modules\Mailmotor\Installer\Installer::installPages PHP Метод

    private function installPages()
    {
        // add extra's
        $subscribeId = $this->insertExtra($this->getModule(), 'block', 'SubscribeForm', 'Subscribe', null, 'N', 3001);
        $unsubscribeId = $this->insertExtra($this->getModule(), 'block', 'UnsubscribeForm', 'Unsubscribe', null, 'N', 3002);
        $this->insertExtra($this->getModule(), 'widget', 'SubscribeForm', 'Subscribe', null, 'N', 3003);
        // loop languages
        foreach ($this->getLanguages() as $language) {
            $pageId = $this->insertPage(array('title' => 'Newsletters', 'language' => $language));
            // check if a page for mailmotor subscribe already exists in this language
            if (!(bool) $this->getDB()->getVar('SELECT 1
                 FROM pages AS p
                 INNER JOIN pages_blocks AS b ON b.revision_id = p.revision_id
                 WHERE b.extra_id = ? AND p.language = ?
                 LIMIT 1', array($subscribeId, $language))) {
                $this->insertPage(array('parent_id' => $pageId, 'title' => 'Subscribe', 'language' => $language), null, array('extra_id' => $subscribeId, 'position' => 'main'));
            }
            // check if a page for mailmotor unsubscribe already exists in this language
            if (!(bool) $this->getDB()->getVar('SELECT 1
                 FROM pages AS p
                 INNER JOIN pages_blocks AS b ON b.revision_id = p.revision_id
                 WHERE b.extra_id = ? AND p.language = ?
                 LIMIT 1', array($unsubscribeId, $language))) {
                $this->insertPage(array('parent_id' => $pageId, 'title' => 'Unsubscribe', 'language' => $language), null, array('extra_id' => $unsubscribeId, 'position' => 'main'));
            }
        }
    }