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#431 initial commit for MONSTRA 4
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Awilum
309
monstra/Pages.php
Executable file
309
monstra/Pages.php
Executable file
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<?php
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/**
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* This file is part of the Monstra.
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*
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* (c) Romanenko Sergey / Awilum <awilum@msn.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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class Pages
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{
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/**
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* An instance of the Pages class
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*
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* @var object
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* @access protected
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*/
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protected static $instance = null;
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/**
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* Current page.
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*
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* @var array
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* @access protected
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*/
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protected static $current_page;
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/**
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* Current page template.
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*
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* @var object
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* @access protected
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*/
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protected static $current_template;
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/**
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* Protected clone method to enforce singleton behavior.
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*
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* @access protected
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*/
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protected function __clone()
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{
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// Nothing here.
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}
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/**
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* Constructor.
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*
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* @access protected
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*/
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protected function __construct()
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{
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// Get Current Page
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static::$current_page = static::getPage(Url::getUriString());
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// Get Theme Templates
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static::$current_template = ((!empty(static::$current_page['template'])) ? static::$current_page['template'] : 'index');
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// Send default header
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header('Content-Type: text/html; charset='.Config::get('site.charset'));
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// Run actions before page rendered
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Action::run('before_page_rendered');
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// Display page for current requested url
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static::display(static::$current_page);
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// Run actions after page rendered
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Action::run('after_page_rendered');
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}
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/**
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* Get pages
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*
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* <code>
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* $pages = Pages::getPages('blog');
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* </code>
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*
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* @access public
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* @param string $url Url
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* @param string $order_by Order by
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* @param string $order_type Order type
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* @param array $ignore Pages to ignore
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* @param int $limit Limit of pages
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* @return array
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*/
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public static function getPages($url = '', $order_by = 'date', $order_type = 'DESC', $ignore = array('404'), $limit = null)
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{
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$pages = File::scan(STORAGE_PATH . '/pages/' . $url, 'md');
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if ($pages) {
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foreach ($pages as $page) {
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$pages_cache_id .= filemtime($page);
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}
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// Create Unique Cache ID for Pages
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$pages_cache_id = md5('pages' . ROOT_DIR . $url . $order_by . $order_type . implode(",", $ignore) . (($limit === null) ? 'null' : $limit) . $pages_cache_id);
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}
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if (Cache::driver()->contains($pages_cache_id)) {
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return Cache::driver()->fetch($pages_cache_id);
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} else {
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foreach ($pages as $key => $page) {
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if (!in_array(basename($page, '.md'), $ignore)) {
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$content = file_get_contents($page);
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$_page = explode('---', $content, 3);
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$_pages[$key] = Yaml::parse($_page[1]);
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$url = str_replace(STORAGE_PATH . '/pages', Url::getBase(), $page);
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$url = str_replace('index.md', '', $url);
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$url = str_replace('.md', '', $url);
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$url = str_replace('\\', '/', $url);
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$url = rtrim($url, '/');
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$_pages[$key]['url'] = $url;
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$_content = $_page[2];
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// Parse page for summary <!--more-->
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if (($pos = strpos($_content, "<!--more-->")) === false) {
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$_content = Filter::apply('content', $_content);
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} else {
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$_content = explode("<!--more-->", $_content);
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$_content['summary'] = Filter::apply('content', $_content[0]);
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$_content['content'] = Filter::apply('content', $_content[0].$_content[1]);
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}
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if (is_array($_content)) {
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$_pages[$key]['summary'] = $_content['summary'];
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$_pages[$key]['content'] = $_content['content'];
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} else {
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$_pages[$key]['summary'] = $_content;
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$_pages[$key]['content'] = $_content;
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}
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$_pages[$key]['slug'] = basename($page, '.md');
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}
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}
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$_pages = Arr::subvalSort($_pages, $order_by, $order_type);
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if ($limit != null) {
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$_pages = array_slice($_pages, null, $limit);
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}
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Cache::driver()->save($pages_cache_id, $_pages);
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return $_pages;
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}
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}
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/**
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* Get page
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*
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* <code>
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* $page = Pages::getPage('downloads');
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* </code>
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*
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* @access public
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* @param string $url Url
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* @return array
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*/
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public static function getPage($url)
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{
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// If url is empty that its a homepage
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if ($url) {
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$file = STORAGE_PATH . '/pages/' . $url;
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} else {
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$file = STORAGE_PATH . '/pages/' . 'index';
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}
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// Select the file
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if (is_dir($file)) {
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$file = STORAGE_PATH . '/pages/' . $url .'/index.md';
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} else {
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$file .= '.md';
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}
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// Get 404 page if file not exists
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if (!file_exists($file)) {
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$file = STORAGE_PATH . '/pages/' . '404.md';
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Response::status(404);
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}
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// Create Unique Cache ID for requested page
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$page_cache_id = md5('page' . ROOT_DIR . $file . filemtime($file));
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if (Cache::driver()->contains($page_cache_id) && Config::get('site.pages.flush_cache') == false) {
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return Cache::driver()->fetch($page_cache_id);
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} else {
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$content = file_get_contents($file);
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$_page = explode('---', $content, 3);
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$page = Yaml::parse($_page[1]);
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$url = str_replace(STORAGE_PATH . '/pages', Url::getBase(), $file);
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$url = str_replace('index.md', '', $url);
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$url = str_replace('.md', '', $url);
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$url = str_replace('\\', '/', $url);
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$url = rtrim($url, '/');
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$page['url'] = $url;
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$_content = $_page[2];
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// Parse page for summary <!--more-->
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if (($pos = strpos($_content, "<!--more-->")) === false) {
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$_content = Filter::apply('content', $_content);
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} else {
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$_content = explode("<!--more-->", $_content);
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$_content['summary'] = Filter::apply('content', $_content[0]);
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$_content['content'] = Filter::apply('content', $_content[0].$_content[1]);
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}
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if (is_array($_content)) {
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$page['summary'] = $_content['summary'];
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$page['content'] = $_content['content'];
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} else {
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$page['content'] = $_content;
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}
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$page['slug'] = basename($file, '.md');
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// Overload page title, keywords and description if needed
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empty($page['title']) and $page['title'] = Config::get('site.title');
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empty($page['keywords']) and $page['keywords'] = Config::get('site.keywords');
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empty($page['description']) and $page['description'] = Config::get('site.description');
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Cache::driver()->save($page_cache_id, $page);
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return $page;
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}
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}
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/**
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* Get Current Page
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*
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* <code>
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* $page = Pages::getCurrentPage();
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* </code>
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*
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* @return array
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*/
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public static function getCurrentPage()
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{
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return static::$current_page;
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}
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/**
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* Update Current Page
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*
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* <code>
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* Pages::updateCurrentPage('title', 'My new Page Title');
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* </code>
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*
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* @return array
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*/
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public static function updateCurrentPage($path, $value)
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{
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Arr::set(static::$current_page, $path, $value);
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}
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/**
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* Display Page
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*
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* <code>
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* Pages::display($page);
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* </code>
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*
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* @access public
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* @param array $page Page array
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* @return string
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*/
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public static function display($page)
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{
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Theme::getTemplate(((!empty($page['template'])) ? $page['template'] : 'index'));
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}
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/**
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* Get Current Template
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*
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* <code>
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* $template = Pages::getCurrentTemplate();
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* </code>
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*
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* @access public
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* @return object
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*/
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public static function getCurrentTemplate()
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{
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return static::$current_template;
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}
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/**
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* Initialize Monstra Pages
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*
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* <code>
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* Pages::init();
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* </code>
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*
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* @access public
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*/
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public static function init()
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{
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return !isset(self::$instance) and self::$instance = new Pages();
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}
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}
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