Кастомные поля в плагине pages

    public static function keywords()
    {
        return Pages::$page['keywords'];
    }

    public static function tags()
    {
        return Pages::$page['tags'];
    }

<?php echo Page::tags(); ?>

<?php
// Add plugin navigation link
Navigation::add(__('Pages', 'pages'), 'content', 'pages', 1);
Dashboard::addNewItem('pages', __('Page', 'pages'), 'index.php?id=pages&action=add_page', 1);
// Add action on admin_pre_render hook
Action::add('admin_pre_render','PagesAdmin::_pageExpandAjax');
/**
 * Pages Admin Class
 */
class PagesAdmin extends Backend
{
    /**
     * Pages tables
     *
     * @var object
     */
    public static $pages = null;
    /**
     * _pageExpandAjax
     */
    public static function _pageExpandAjax()
    {
        if (Request::post('page_slug')) {
            if (Security::check(Request::post('token'))) {
                $pages = new Table('pages');
                $pages->updateWhere('[slug="'.Request::post('page_slug').'"]', array('expand' => Request::post('page_expand')));
                Request::shutdown();
            } else { die('Request was denied because it contained an invalid security token. Please refresh the page and try again.'); }
        }
    }
    /**
     * Pages admin function
     */
    public static function main()
    {
        $current_theme = Option::get('theme_site_name');
        $site_url = Option::get('siteurl');
        $templates_path = THEMES_SITE;
        $errors = array();
        $pages = new Table('pages');
        PagesAdmin::$pages = $pages;
        $users = new Table('users');
        $user = $users->select('[id='.Session::get('user_id').']', null);
        // Page author
        if ( ! empty($user['firstname'])) {
            $author = (empty($user['lastname'])) ? $user['firstname'] : $user['firstname'].' '.$user['lastname'];
        } else {
            $author = Session::get('user_login');
        }
        $author = Html::toText($author);
        // Status array
        $status_array = array('published' => __('Published', 'pages'),
                              'draft'     => __('Draft', 'pages'));
        // Access array
        $access_array = array('public'      => __('Public', 'pages'),
                              'registered'  => __('Registered', 'pages'));
        // Check for get actions
        // ---------------------------------------------
        if (Request::get('action')) {
            // Switch actions
            // -----------------------------------------
            switch (Request::get('action')) {
                // Clone page
                // -------------------------------------
                case "clone_page":
                    if (Security::check(Request::get('token'))) {
                        // Generate rand page name
                        $rand_page_name = Request::get('name').'_clone_'.date("Ymd_His");
                        // Get original page
                        $orig_page = $pages->select('[slug="'.Request::get('name').'"]', null);
                        // Generate rand page title
                        $rand_page_title = $orig_page['title'].' [copy]';
                        // Clone page
                        if ($pages->insert(array('slug'         => $rand_page_name,
                                                 'template'     => $orig_page['template'],
                                                 'parent'       => $orig_page['parent'],
                                                 'robots_index' => $orig_page['robots_index'],
                                                 'robots_follow'=> $orig_page['robots_follow'],
                                                 'status'       => $orig_page['status'],
                                                 'access'       => (isset($orig_page['access'])) ? $orig_page['access'] : 'public',
                                                 'expand'       => (isset($orig_page['expand'])) ? $orig_page['expand'] : '0',
                                                 'title'        => $rand_page_title,
                                                 'meta_title'   => $orig_page['meta_title'],
                                                 'description'  => $orig_page['description'],
                                                 'keywords'     => $orig_page['keywords'],
                                                 'share_img'    => $orig_page['share_img'],
                                                 'tags'         => $orig_page['tags'],
                                                 'date'         => $orig_page['date'],
                                                 'author'       => $orig_page['author']))) {
                            // Get cloned page ID
                            $last_id = $pages->lastId();
                            // Save cloned page content
                            File::setContent(STORAGE . DS . 'pages' . DS . $last_id . '.page.txt',
                                             File::getContent(STORAGE . DS . 'pages' . DS . $orig_page['id'] . '.page.txt'));
                            // Send notification
                            Notification::set('success', __('The page <i>:page</i> cloned.', 'pages', array(':page' => Security::safeName(Request::get('name'), '-', true))));
                        }
                        // Run add extra actions
                        Action::run('admin_pages_action_clone');
                        // Redirect
                        Request::redirect('index.php?id=pages');
                    } else { die('Request was denied because it contained an invalid security token. Please refresh the page and try again.'); }
                break;
                // Add page
                // -------------------------------------
                case "add_page":
                    // Add page
                    if (Request::post('add_page') || Request::post('add_page_and_exit')) {
                        if (Security::check(Request::post('csrf'))) {
                            // Get parent page
                            if (Request::post('pages') == '0') {
                                $parent_page = '';
                            } else {
                                $parent_page = Request::post('pages');
                            }
                            // Validate
                            //--------------
                            if (trim(Request::post('page_name')) == '') $errors['pages_empty_name'] = __('Required field', 'pages');
                            if (trim(Request::post('page_title')) == '') $errors['pages_empty_title'] = __('Required field', 'pages');
                            if (count($pages->select('[slug="'.Security::safeName(Request::post('page_name'), '-', true).'"]')) != 0) $errors['pages_exists'] = __('This page already exists', 'pages');
                            // Prepare date
                            if (Valid::date(Request::post('page_date'))) {
                                $date = strtotime(Request::post('page_date'));
                            } else {
                                $date = time();
                            }
                            if (Request::post('robots_index'))  $robots_index = 'noindex';   else $robots_index = 'index';
                            if (Request::post('robots_follow')) $robots_follow = 'nofollow'; else $robots_follow = 'follow';
                            // If no errors then try to save
                            if (count($errors) == 0) {
                                // Insert new page
                                if ($pages->insert(array('slug'        => Security::safeName(Request::post('page_name'), '-', true),
                                                        'template'     => Request::post('templates'),
                                                        'parent'       => $parent_page,
                                                        'status'       => Request::post('status'),
                                                        'access'       => Request::post('access'),
                                                        'expand'       => '0',
                                                        'robots_index' => $robots_index,
                                                        'robots_follow'=> $robots_follow,
                                                        'title'        => Request::post('page_title'),
                                                        'meta_title'   => Request::post('page_meta_title'),
                                                        'description'  => Request::post('page_description'),
                                                        'keywords'     => Request::post('page_keywords'),
                                                        'share_img'    => Request::post('page_share_img'),
                                                        'tags'         => Request::post('page_tags'),
                                                        'date'         => $date,
                                                        'author'       => $author))) {
                                    // Get inserted page ID
                                    $last_id = $pages->lastId();
                                    // Save content
                                    File::setContent(STORAGE . DS . 'pages' . DS . $last_id . '.page.txt', XML::safe(Request::post('editor')));
                                    // Send notification
                                    Notification::set('success', __('Your changes to the page <i>:page</i> have been saved.', 'pages', array(':page' => Security::safeName(Request::post('page_title'), '-', true))));
                                }
                                // Run add extra actions
                                Action::run('admin_pages_action_add');
                                // Redirect
                                if (Request::post('add_page_and_exit')) {
                                    Request::redirect('index.php?id=pages');
                                } else {
                                    Request::redirect('index.php?id=pages&action=edit_page&name='.Security::safeName(Request::post('page_name'), '-', true));
                                }
                            }
                        } else { die('Request was denied because it contained an invalid security token. Please refresh the page and try again.'); }
                    }
                    // Get all pages
                    $pages_list = $pages->select('[slug!="error404" and parent=""]');
                    $pages_array[] = '-none-';
                    foreach ($pages_list as $page) {
                        $pages_array[$page['slug']] = $page['title'];
                    }
                    // Get all templates
                    $templates_list = File::scan($templates_path, '.template.php');
                    foreach ($templates_list as $file) {
                        $templates_array[basename($file, '.template.php')] = basename($file, '.template.php');
                    }
                    // Save fields
                    if (Request::post('page_name'))        $post_name        = Request::post('page_name'); else $post_name = '';
                    if (Request::post('page_title'))       $post_title       = Request::post('page_title'); else $post_title = '';
                    if (Request::post('page_meta_title'))  $post_meta_title  = Request::post('page_meta_title'); else $post_meta_title = '';       if (Request::post('page_keywords'))    $post_keywords    = Request::post('page_keywords'); else $post_keywords = '';
                    if (Request::post('page_share_img'))   $post_share_img   = Request::post('page_share_img'); else $post_share_img = '';
                    if (Request::post('page_description')) $post_description = Request::post('page_description'); else $post_description = '';
                    if (Request::post('page_tags'))        $post_tags        = Request::post('page_tags'); else $post_tags = '';
                    if (Request::post('editor'))           $post_content     = Request::post('editor'); else $post_content = '';
                    if (Request::post('templates'))        $post_template    = Request::post('templates'); else $post_template = 'index';
                    if (Request::post('status'))           $post_status      = Request::post('status'); else $post_status = 'published';
                    if (Request::post('access'))           $post_access      = Request::post('access'); else $post_access = 'public';
                    if (Request::post('pages'))            $parent_page      = Request::post('pages'); else if(Request::get('parent_page')) $parent_page = Request::get('parent_page'); else $parent_page = '';
                    if (Request::post('robots_index'))     $post_robots_index = true; else $post_robots_index = false;
                    if (Request::post('robots_follow'))    $post_robots_follow = true; else $post_robots_follow = false;
                    //--------------
                    // Generate date
                    $date = Date::format(time(), 'Y-m-d H:i:s');
                    // Set Tabs State - page
                    Notification::setNow('page', 'page');
                    // Display view
                    View::factory('box/pages/views/backend/add')
                            ->assign('post_name', $post_name)
                            ->assign('post_title', $post_title)
                            ->assign('post_meta_title', $post_meta_title)                            
                            ->assign('post_description', $post_description)
                            ->assign('post_keywords', $post_keywords)
                            ->assign('post_share_img', $post_share_img)
                            ->assign('post_tags', $post_tags)
                            ->assign('post_content', $post_content)
                            ->assign('pages_array', $pages_array)
                            ->assign('parent_page', $parent_page)
                            ->assign('templates_array', $templates_array)
                            ->assign('post_template', $post_template)
                            ->assign('post_status', $post_status)
                            ->assign('post_access', $post_access)
                            ->assign('status_array', $status_array)
                            ->assign('access_array', $access_array)
                            ->assign('date', $date)
                            ->assign('post_robots_index', $post_robots_index)
                            ->assign('post_robots_follow', $post_robots_follow)
                            ->assign('errors', $errors)
                            ->display();
                break;
                // Edit page
                // -------------------------------------
                case "edit_page":
                    if (Request::post('edit_page') || Request::post('edit_page_and_exit')) {
                        if (Security::check(Request::post('csrf'))) {
                            // Get pages parent
                            if (Request::post('pages') == '0') {
                                $parent_page = '';
                            } else {
                                $parent_page = Request::post('pages');
                            }
                            // Save field
                            $post_parent = Request::post('pages');
                            // Validate
                            //--------------
                            if (trim(Request::post('page_name')) == '') $errors['pages_empty_name'] = __('Required field', 'pages');
                            if ((count($pages->select('[slug="'.Security::safeName(Request::post('page_name'), '-', true).'"]')) != 0) and (Security::safeName(Request::post('page_old_name'), '-', true) !== Security::safeName(Request::post('page_name'), '-', true))) $errors['pages_exists'] = __('This page already exists', 'pages');
                            if (trim(Request::post('page_title')) == '') $errors['pages_empty_title'] = __('Required field', 'pages');
                            // Save fields
                            if (Request::post('page_name'))        $post_name        = Request::post('page_name'); else $post_name = '';
                            if (Request::post('page_title'))       $post_title       = Request::post('page_title'); else $post_title = '';
                            if (Request::post('page_meta_title'))  $post_meta_title  = Request::post('page_meta_title'); else $post_meta_title = '';if (Request::post('page_keywords'))    $post_keywords    = Request::post('page_keywords'); else $post_keywords = '';
                            if (Request::post('page_share_img'))   $post_share_img   = Request::post('page_share_img'); else $post_share_img = '';
                            if (Request::post('page_description')) $post_description = Request::post('page_description'); else $post_description = '';
                            if (Request::post('page_tags'))        $post_tags        = Request::post('page_tags'); else $post_tags = '';
                            if (Request::post('editor'))           $post_content     = Request::post('editor'); else $post_content = '';
                            if (Request::post('templates'))        $post_template    = Request::post('templates'); else $post_template = 'index';
                            if (Request::post('status'))           $post_status      = Request::post('status'); else $post_status = 'published';
                            if (Request::post('access'))           $post_access      = Request::post('access'); else $post_access = 'public';
                            if (Request::post('robots_index'))     $post_robots_index = true; else $post_robots_index = false;
                            if (Request::post('robots_follow'))    $post_robots_follow = true; else $post_robots_follow = false;
                            //--------------
                            // Prepare date
                            if (Valid::date(Request::post('page_date'))) {
                                $date = strtotime(Request::post('page_date'));
                            } else {
                                $date = time();
                            }
                            if (Request::post('robots_index'))  $robots_index = 'noindex';   else $robots_index = 'index';
                            if (Request::post('robots_follow')) $robots_follow = 'nofollow'; else $robots_follow = 'follow';
                            if (count($errors) == 0) {
                                // Update parents in all childrens
                                if ((Security::safeName(Request::post('page_name'), '-', true)) !== (Security::safeName(Request::post('page_old_name'), '-', true)) and (Request::post('old_parent') == '')) {
                                    $_pages = $pages->select('[parent="'.Text::translitIt(trim(Request::post('page_old_name'))).'"]');
                                    if ( ! empty($_pages)) {
                                        foreach ($_pages as $_page) {                                            
                                            $pages->updateWhere('[parent="'.$_page['parent'].'"]', array('parent' => Security::safeName(Request::post('page_name'), '-', true)));
                                        }
                                    }
                                    if ($pages->updateWhere('[slug="'.Request::get('name').'"]',
                                                        array('slug'        => Security::safeName(Request::post('page_name'), '-', true),
                                                              'template'    => Request::post('templates'),
                                                              'parent'      => $parent_page,
                                                              'title'       => Request::post('page_title'),
                                                              'meta_title'  => Request::post('page_meta_title'),
                                                              'description' => Request::post('page_description'),
                                                              'keywords'    => Request::post('page_keywords'),
                                                              'share_img'   => Request::post('page_share_img'),
                                                              'tags'        => Request::post('page_tags'),
                                                              'robots_index' => $robots_index,
                                                              'robots_follow'=> $robots_follow,
                                                              'status'      => Request::post('status'),
                                                              'access'      => Request::post('access'),
                                                              'date'        => $date,
                                                              'author'      => $author))) {
                                        File::setContent(STORAGE . DS . 'pages' . DS . Request::post('page_id') . '.page.txt', XML::safe(Request::post('editor')));
                                        Notification::set('success', __('Your changes to the page <i>:page</i> have been saved.', 'pages', array(':page' => Security::safeName(Request::post('page_title'), '-', true))));
                                    }
                                    // Run edit extra actions
                                    Action::run('admin_pages_action_edit');
                                } else {
                                    if ($pages->updateWhere('[slug="'.Request::get('name').'"]',
                                                        array('slug'        => Security::safeName(Request::post('page_name'), '-', true),
                                                              'template'    => Request::post('templates'),
                                                              'parent'      => $parent_page,
                                                              'title'       => Request::post('page_title'),
                                                              'meta_title'  => Request::post('page_meta_title'),
                                                              'description' => Request::post('page_description'),
                                                              'keywords'    => Request::post('page_keywords'),
                                                              'share_img'   => Request::post('page_share_img'),
                                                              'tags'        => Request::post('page_tags'),
                                                              'robots_index' => $robots_index,
                                                              'robots_follow'=> $robots_follow,
                                                              'status'      => Request::post('status'),
                                                              'access'      => Request::post('access'),
                                                              'date'        => $date,
                                                              'author'      => $author))) {
                                        File::setContent(STORAGE . DS . 'pages' . DS . Request::post('page_id') . '.page.txt', XML::safe(Request::post('editor')));
                                        Notification::set('success', __('Your changes to the page <i>:page</i> have been saved.', 'pages', array(':page' => Security::safeName(Request::post('page_title'), '-', true))));
                                    }
                                    // Run edit extra actions
                                    Action::run('admin_pages_action_edit');
                                }
                                // Redirect
                                if (Request::post('edit_page_and_exit')) {
                                    Request::redirect('index.php?id=pages');
                                } else {
                                    Request::redirect('index.php?id=pages&action=edit_page&name='.Security::safeName(Request::post('page_name'), '-', true));
                                }
                            }
                        } else { die('Request was denied because it contained an invalid security token. Please refresh the page and try again.'); }
                    }
                    // Get all pages
                    $pages_list = $pages->select();
                    $pages_array[] = '-none-';
                    // Foreach pages find page whithout parent
                    foreach ($pages_list as $page) {
                        if (isset($page['parent'])) {
                            $c_p = $page['parent'];
                        } else {
                            $c_p = '';
                        }
                        if ($c_p == '') {
                            // error404 is system "constant" and no child for it
                            if ($page['slug'] !== 'error404' && $page['slug'] !== Request::get('name')) {
                                $pages_array[$page['slug']] = $page['title'];
                            }
                        }
                    }
                    // Get all templates
                    $templates_list = File::scan($templates_path,'.template.php');
                    foreach ($templates_list as $file) {
                        $templates_array[basename($file,'.template.php')] = basename($file, '.template.php');
                    }
                    $page = $pages->select('[slug="'.Request::get('name').'"]', null);
                    if ($page) {
                        $page_content = File::getContent(STORAGE . DS . 'pages' . DS . $page['id'] . '.page.txt');
                        // Safe fields or load fields
                        if (Request::post('page_name'))         $slug_to_edit        = Request::post('page_name'); else $slug_to_edit = $page['slug'];
                        if (Request::post('page_title'))        $title_to_edit       = Request::post('page_title'); else $title_to_edit = $page['title'];
                        if (Request::post('page_meta_title'))   $meta_title_to_edit  = Request::post('page_meta_title'); else $meta_title_to_edit = isset($page['meta_title']) ? $page['meta_title'] : '';
                        if (Request::post('page_description'))  $description_to_edit = Request::post('page_description'); else $description_to_edit = $page['description'];
                        if (Request::post('page_keywords'))     $keywords_to_edit    = Request::post('page_keywords'); else $keywords_to_edit = $page['keywords'];
                        if (Request::post('page_share_img'))    $share_img_to_edit   = Request::post('page_share_img'); else $share_img_to_edit = $page['share_img'];
                        if (Request::post('page_tags'))         $tags_to_edit        = Request::post('page_tags'); else $tags_to_edit = isset($page['tags']) ? $page['tags'] : '';;
                        if (Request::post('editor'))            $to_edit             = Request::post('editor'); else $to_edit = Text::toHtml($page_content);
                        if (Request::post('robots_index'))      $post_robots_index  = true; else if ($page['robots_index'] == 'noindex') $post_robots_index = true; else  $post_robots_index = false;
                        if (Request::post('robots_follow'))     $post_robots_follow = true; else if ($page['robots_follow'] == 'nofollow') $post_robots_follow = true; else  $post_robots_follow = false;
                        if (Request::post('pages')) {
                            // Get pages parent
                            if (Request::post('pages') == '-none-') {
                                $parent_page = '';
                            } else {
                                $parent_page = Request::post('pages');
                            }
                            // Save field
                            $parent_page = Request::post('pages');
                        } else {
                            $parent_page = $page['parent'];
                        }
                        if (Request::post('templates')) $template = Request::post('templates'); else $template = $page['template'];
                        if (Request::post('status'))    $status   = Request::post('status');    else $status   = $page['status'];
                        if (Request::post('access'))    $access   = Request::post('access');    else $access   = (isset($page['access'])) ? $page['access'] : 'public';
                        // Generate date
                        $date = Request::post('date') ? Request::post('date') : Date::format($page['date'], 'Y-m-d H:i:s');
                        Notification::setNow('page', 'page');
                        // Display view
                        View::factory('box/pages/views/backend/edit')
                                ->assign('slug_to_edit', $slug_to_edit)
                                ->assign('title_to_edit', $title_to_edit)
                                ->assign('meta_title_to_edit', $meta_title_to_edit)                                
                                ->assign('description_to_edit', $description_to_edit)
                                ->assign('keywords_to_edit', $keywords_to_edit)
                                ->assign('share_img_to_edit', $share_img_to_edit)
                                ->assign('tags_to_edit', $tags_to_edit)
                                ->assign('page', $page)
                                ->assign('to_edit', $to_edit)
                                ->assign('pages_array', $pages_array)
                                ->assign('parent_page', $parent_page)
                                ->assign('templates_array', $templates_array)
                                ->assign('template', $template)
                                ->assign('status_array', $status_array)
                                ->assign('access_array', $access_array)
                                ->assign('status', $status)
                                ->assign('access', $access)
                                ->assign('date', $date)
                                ->assign('post_robots_index', $post_robots_index)
                                ->assign('post_robots_follow', $post_robots_follow)
                                ->assign('errors', $errors)
                                ->display();
                    }
                break;
                // Delete page
                // -------------------------------------
                case "delete_page":
                    // Error 404 page can not be removed
                    if (Request::get('slug') !== 'error404') {
                        if (Security::check(Request::get('token'))) {
                            // Get specific page
                            $page = $pages->select('[slug="'.Request::get('name').'"]', null);
                            //  Delete page and update <parent> fields
                            if ($pages->deleteWhere('[slug="'.$page['slug'].'" ]')) {
                                $_pages = $pages->select('[parent="'.$page['slug'].'"]');
                                if ( ! empty($_pages)) {
                                    foreach ($_pages as $_page) {
                                        $pages->updateWhere('[slug="'.$_page['slug'].'"]', array('parent' => ''));
                                    }
                                }
                                File::delete(STORAGE . DS . 'pages' . DS . $page['id'] . '.page.txt');
                                Notification::set('success', __('Page <i>:page</i> deleted', 'pages', array(':page' => Html::toText($page['title']))));
                            }
                            // Run delete extra actions
                            Action::run('admin_pages_action_delete');
                            // Redirect
                            Request::redirect('index.php?id=pages');
                        } else { die('Request was denied because it contained an invalid security token. Please refresh the page and try again.'); }
                    }
                break;
                // Update page access
                // -------------------------------------
                case "update_access":
                    if (Request::get('slug') !== 'error404') {
                        if (Security::check(Request::get('token'))) {
                            $pages->updateWhere('[slug="'.Request::get('slug').'"]', array('access' => Request::get('access')));
                            // Run delete extra actions
                            Action::run('admin_pages_action_update_access');
                            // Send notification
                            Notification::set('success', __('Your changes to the page <i>:page</i> have been saved.', 'pages', array(':page' => Request::get('slug'))));
                            // Redirect
                            Request::redirect('index.php?id=pages');
                        } else { die('Request was denied because it contained an invalid security token. Please refresh the page and try again.'); }
                    }
                break;
                // Update page status
                // -------------------------------------
                case "update_status":
                    if (Request::get('name') !== 'error404') {
                        if (Security::check(Request::get('token'))) {
                            $pages->updateWhere('[slug="'.Request::get('slug').'"]', array('status' => Request::get('status')));
                            // Run delete extra actions
                            Action::run('admin_pages_action_update_status');
                            // Send notification
                            Notification::set('success', __('Your changes to the page <i>:page</i> have been saved.', 'pages', array(':page' => Request::get('slug'))));
                            // Redirect
                            Request::redirect('index.php?id=pages');
                        } else { die('Request was denied because it contained an invalid security token. Please refresh the page and try again.'); }
                    }
                break;
            }
            // Its mean that you can add your own actions for this plugin
            Action::run('admin_pages_extra_actions');
        } else {
            // Index action
            // -------------------------------------
            // Init vars
            $pages_array = array();
            $count = 0;
            // Get pages
            $pages_list = $pages->select(null, 'all', null, array('slug', 'title', 'status', 'date', 'author', 'expand', 'access', 'parent', 'template', 'tags'));
            // Loop
            foreach ($pages_list as $page) {
                $pages_array[$count]['title']   = $page['title'];
                $pages_array[$count]['meta_title'] = isset($page['meta_title']) ? $page['meta_title'] : '';
                $pages_array[$count]['parent']  = $page['parent'];
                $pages_array[$count]['_status'] = $page['status'];
                $pages_array[$count]['_access'] = $page['access'];
                $pages_array[$count]['status']  = $status_array[$page['status']];
                $pages_array[$count]['access']  = isset($access_array[$page['access']]) ? $access_array[$page['access']] : $access_array['public']; // hack for old Monstra Versions
                $pages_array[$count]['date']    = $page['date'];
                $pages_array[$count]['author']  = $page['author'];
                $pages_array[$count]['expand']  = $page['expand'];
                $pages_array[$count]['slug']    = $page['slug'];
                $pages_array[$count]['tags']    = $page['tags'];
                $pages_array[$count]['template']= $page['template'];
                if (isset($page['parent'])) {
                    $c_p = $page['parent'];
                } else {
                    $c_p = '';
                }
                if ($c_p != '') {
                    $_page = $pages->select('[slug="'.$page['parent'].'"]', null);
                    if (isset($_page['title'])) {
                        $_title = $_page['title'];
                    } else {
                        $_title = '';
                    }
                    $pages_array[$count]['sort'] = $_title . ' ' . $page['title'];
                } else {
                    $pages_array[$count]['sort'] = $page['title'];
                }
                $_title = '';
                $count++;
            }
            // Sort pages
            $pages = Arr::subvalSort($pages_array, 'sort');
            // Display view
            View::factory('box/pages/views/backend/index')
                    ->assign('pages', $pages)
                    ->assign('site_url', $site_url)
                    ->display();
        }
    }
}

<?php
/**
 *    Pages plugin
 *
 *    @package Monstra
 *  @subpackage Plugins
 *    @author Romanenko Sergey / Awilum
 *    @copyright 2012-2014 Romanenko Sergey / Awilum
 *    @version 1.0.0
 *
 */
// Register plugin
Plugin::register( __FILE__,
                __('Pages' , 'pages'),
                __('Pages manager', 'pages'),
                '1.0.0',
                'Awilum',
                'http://monstra.org/',
                'pages',
                'box');
if (Session::exists('user_role') && in_array(Session::get('user_role'), array('admin', 'editor'))) {
    // Include Admin
    Plugin::Admin('pages', 'box');
}
// Add Plugin Javascript
Javascript::add('../../../post/8567/plugins/box/pages/js/ru.forum_subdomain/pages.js', 'backend');
/**
 * Pages Class
 */
class Pages extends Frontend
{
    /**
     * Current page data
     *
     * @var object
     */
    public static $page = null;
    /**
     * Pages tables
     *
     * @var object
     */
    public static $pages = null;
    /**
     * Requested page
     *
     * @var string
     */
    public static $requested_page = null;
    /**
     *  Main function
     */
    public static function main()
    {
        Pages::$pages = new Table('pages');
        Pages::$page  = Pages::pageLoader();
    }
    /**
     * Page loader
     *
     * @param  boolean $return_data data
     * @return array
     */
    public static function pageLoader($return_data = true)
    {
        $requested_page = Pages::lowLoader(Uri::segments());
        Pages::$requested_page = $requested_page;
        return Pages::$pages->select('[slug="'.$requested_page.'"]', null);
    }
    /**
     * Load current page
     *
     * @global string $defpage default page
     * @param  array  $data uri
     * @return string
     */
    public static function lowLoader($data)
    {
        $defpage = Option::get('defaultpage');
        // If data count 2 then it has Parent/Child
        if (count($data) >= 2) {
            // If exists parent file
            if (count(Pages::$pages->select('[slug="'.$data[0].'"]')) !== 0) {
                // Get child file and get parent page name
                $child_page = Pages::$pages->select('[slug="'.$data[1].'"]', null);
                // If child page parent is not empty then get his parent
                if (count($child_page) == 0) {
                    $c_p = '';
                } else {
                    if ($child_page['parent'] != '') {
                        $c_p = $child_page['parent'];
                    } else {
                        $c_p = '';
                    }
                }
                // Hack For old Monstra
                $child_page['access'] = (isset($child_page['access'])) ? $child_page['access'] : 'public' ;
                // Check is child_parent -> request parent
                if ($c_p == $data[0]) {
                    if (count($data) < 3) { // Checking only for the parent and one child, the remaining issue 404
                        if ((($child_page['status'] == 'published') or
                            (Session::exists('user_role') && in_array(Session::get('user_role'), array('admin', 'editor')))) and
                            ($child_page['access'] == 'public')) {
                            $id = $data[1];
                        } elseif (($child_page['access'] == 'registered') and
                                 (Session::exists('user_id')) and
                                 ($child_page['status'] == 'published')) {
                            $id = $data[1];
                        } else {
                            $id = 'error404';
                            Response::status(404);
                        }
                    } else {
                        $id = 'error404';
                        Response::status(404);
                    }
                } else {
                    $id = 'error404';
                    Response::status(404);
                }
            } else {
                $id = 'error404';
                Response::status(404);
            }
        } else { // Only parent page come
            if (empty($data[0])) {
                $id = $defpage;
            } else {
                // Get current page
                $current_page = Pages::$pages->select('[slug="'.$data[0].'"]', null);
                // Hack For old Monstra
                $current_page['access'] = (isset($current_page['access'])) ? $current_page['access'] : 'public' ;
                if (count($current_page) != 0) {
                    if ( ! empty($current_page['parent'])) {
                        $c_p = $current_page['parent'];
                    } else {
                        $c_p = '';
                    }
                } else {
                    $c_p = '';
                }
                // Check if this page has parent
                if ($c_p !== '') {
                    if ($c_p == $data[0]) {
                        if (count(Pages::$pages->select('[slug="'.$data[0].'"]', null)) != 0) {
                            if ((($current_page['status'] == 'published') or
                                (Session::exists('user_role') && in_array(Session::get('user_role'), array('admin', 'editor')))) and
                                ($current_page['access'] == 'public')) {
                                $id = $data[0];
                            } elseif (($current_page['access'] == 'registered') and
                                     (Session::exists('user_id')) and
                                     ($current_page['status'] == 'published')) {
                                $id = $data[0];
                            } else {
                                $id = 'error404';
                                Response::status(404);
                            }
                        } else {
                            $id = 'error404';
                            Response::status(404);
                        }
                    } else {
                        $id = 'error404';
                        Response::status(404);
                    }
                } else {
                    if (count(Pages::$pages->select('[slug="'.$data[0].'"]', null)) != 0) {
                        if ((($current_page['status'] == 'published') or
                            (Session::exists('user_role') && in_array(Session::get('user_role'), array('admin', 'editor')))) and
                            ($current_page['access'] == 'public')) {
                            $id = $data[0];
                        } elseif (($current_page['access'] == 'registered') and
                                 (Session::exists('user_id')) and
                                 ($current_page['status'] == 'published')) {
                            $id = $data[0];
                        } else {
                            $id = 'error404';
                            Response::status(404);
                        }
                    } else {
                        $id = 'error404';
                        Response::status(404);
                    }
                }
            }
        }
        // Return page name/id to load
        return $id;
    }
    /**
     * Get pages template
     *
     * @return string
     */
    public static function template()
    {
        if (Pages::$page['template'] == '') return 'index'; else return Pages::$page['template'];
    }
    /**
     * Get pages contents
     *
     * @return string
     */
    public static function content($slug = '')
    {
        if ( ! empty($slug)) {
            $page = Table::factory('pages')->select('[slug="'.$slug.'"]', null);
            if ( ! empty($page)) {
                $content = Text::toHtml(File::getContent(STORAGE . DS . 'pages' . DS . $page['id'] . '.page.txt'));
                $content = Filter::apply('content', $content);
                return $content;
            } else {
                return '';
            }
        } else {
            return Text::toHtml(File::getContent(STORAGE . DS . 'pages' . DS . Pages::$page['id'] . '.page.txt'));
        }
    }
    /**
     * Get pages title
     *
     *  <code>
     *      echo Page::title();
     *  </code>
     *
     * @return string
     */
    public static function title()
    {
        return !empty(Pages::$page['meta_title']) ? Pages::$page['meta_title'] : Pages::$page['title'];
    }
    /**
     * Get pages Description
     *
     *  <code>
     *      echo Page::description();
     *  </code>
     *
     * @return string
     */
    public static function description()
    {
        return Pages::$page['description'];
    }
    /**
     * Get pages Keywords
     *
     *  <code>
     *      echo Page::keywords();
     *  </code>
     *
     * @return string
     */
    public static function keywords()
    {
        return Pages::$page['keywords'];
    }
    /**
     * Get pages Share images
     *
     *  <code>
     *      echo Page::share_img();
     *  </code>
     *
     * @return string
     */
    public static function share_img()
    {
        return Pages::$page['share_img'];
    }
    /**
     * Get pages
     */
    public static function getPages()
    {
        // Init vars
        $pages_array = array();
        $count = 0;
        // Get pages table
        $pages = new Table('pages');
        // Get Pages List
        $pages_list = $pages->select('[slug!="error404" and status="published"]');
        foreach ($pages_list as $page) {
            $pages_array[$count]['title']   = Html::toText($page['title']);
            $pages_array[$count]['meta_title'] = !empty($page['meta_title']) ? Html::toText($page['meta_title']) : $page['title'];
            $pages_array[$count]['parent']  = $page['parent'];
            $pages_array[$count]['date']    = $page['date'];
            $pages_array[$count]['author']  = $page['author'];
            $pages_array[$count]['slug']    = ($page['slug'] == Option::get('defaultpage')) ? '' : $page['slug'] ;
            if (isset($page['parent'])) {
                $c_p = $page['parent'];
            } else {
                $c_p = '';
            }
            if ($c_p != '') {
                $_page = $pages->select('[slug="'.$page['parent'].'"]', null);
                if (isset($_page['title'])) {
                    $_title = $_page['title'];
                } else {
                    $_title = '';
                }
                $pages_array[$count]['sort'] = $_title . ' ' . $page['title'];
            } else {
                $pages_array[$count]['sort'] = $page['title'];
            }
            $_title = '';
            $count++;
        }
        // Sort pages
        $_pages_list = Arr::subvalSort($pages_array, 'sort');
        // return
        return $_pages_list;
    }
}
/**
 * Page class
 */
class Page extends Pages
{
    /**
     * Get date of current page
     *
     *  <code>
     *      echo Page::date();
     *  </code>
     *
     * @param  string $format Date format
     * @return string
     */
    public static function date($format = 'Y-m-d')
    {
        return Date::format(Pages::$page['date'], $format);
    }
    /**
     * Get author of current page
     *
     *  <code>
     *      echo Page::author();
     *  </code>
     *
     * @return string
     */
    public static function author()
    {
        return Pages::$page['author'];
    }
    /**
     * Get children pages for a specific parent page
     *
     *  <code>
     *      $pages = Page::children('page');
     *  </code>
     *
     * @param  string $parent Parent page
     * @return array
     */
    public static function children($parent)
    {
        return Pages::$pages->select('[parent="'.(string) $parent.'"]', 'all');
    }
    /**
     * Get the available children pages for requested page.
     *
     *  <code>
     *      echo Page::available();
     *  </code>
     *
     */
    public static function available()
    {
        $pages = Pages::$pages->select('[parent="'.Pages::$requested_page.'"]', 'all');
        // Display view
        View::factory('box/pages/views/frontend/available_pages')
                ->assign('pages', $pages)
                ->display();
    }
    /**
     * Get page breadcrumbs
     *
     *  <code>
     *      echo Page::breadcrumbs();
     *  </code>
     *
     */
    public static function breadcrumbs()
    {
        if (Uri::command() == 'pages') {
            $current_page = Pages::$requested_page;
            $parent_page = '';
            if ($current_page !== 'error404') {
                $page = Pages::$pages->select('[slug="'.$current_page.'"]', null);
                if (trim($page['parent']) !== '') {
                    $parent = true;
                    $parent_page = Pages::$pages->select('[slug="'.$page['parent'].'"]', null);
                } else {
                    $parent = false;
                }
            // Display view
            View::factory('box/pages/views/frontend/breadcrumbs')
                    ->assign('current_page', $current_page)
                    ->assign('page', $page)
                    ->assign('parent', $parent)
                    ->assign('parent_page', $parent_page)
                    ->display();
            }
        }    
    }
    /**
     * Get page url
     *
     *  <code>
     *      echo Page::url();
     *  </code>
     *
     */
    public static function url()
    {
        return Option::get('siteurl').'/'.Pages::$page['slug'];
    }
    /**
     * Get page slug
     *
     *  <code>
     *      echo Page::slug();
     *  </code>
     *
     */
    public static function slug()
    {
        return Pages::$page['slug'];
    }
    /**
     * Get page meta robots
     *
     *  <code>
     *      echo Page::robots();
     *  </code>
     *
     */
    public static function robots()
    {
        if (Pages::$page !== null) {
            $_index  = (isset(Pages::$page['robots_index'])) ? Pages::$page['robots_index'] : '';
            $_follow = (isset(Pages::$page['robots_follow'])) ? Pages::$page['robots_follow'] : '';
            $robots  = ( ! empty($_index) && ! empty($_follow)) ? $_index.', '.$_follow : '';
        } else {
            $robots = '';
        }
        return $robots;
    }
    public static function _date($attributes)
    {
        return Page::date((isset($attributes['format'])) ? $attributes['format'] : 'Y-m-d');
    }
    public static function _content($attributes)
    {
        return Pages::content((isset($attributes['name']) ? $attributes['name'] : ''));
    }
}
/**
 * Add new shortcodes {page_author} {page_slug} {page_url} {page_date} {page_content}
 */
Shortcode::add('page_author', 'Page::author');
Shortcode::add('page_slug', 'Page::slug');
Shortcode::add('page_url', 'Page::url');
Shortcode::add('page_content', 'Page::_content');
Shortcode::add('page_date', 'Page::_date');

    // Pages Table: add new fields
    $pages = new Table('pages');
    $pages->addField('meta_title');
    $pages->addField('tags');