Architecture Overview

public_html/
|-- index.php                    # Public front controller
|-- config.php                   # Application configuration
|
|-- admin/                      # Admin panel
|   |-- index.php               # Admin entry point
|   |-- login.php               # Login page
|   |-- posts.php               # Post management
|   |-- pages.php               # Page management
|   |-- topics.php              # Category management
|   |-- comments.php            # Comment management
|   |-- reply.php               # Reply management
|   |-- users.php               # User management
|   |-- menu.php                # Menu management
|   |-- templates.php           # Theme management
|   |-- plugins.php             # Plugin management
|   |-- medialib.php            # Media library
|   +-- ui/                     # Admin UI components
|       +-- comments/           # Comment UI templates
|
|-- api/                        # RESTful API
|   +-- index.php               # API entry point
|
|-- lib/                       # Core library
|   |-- main.php               # Application bootstrap
|   |-- common.php             # Constants and functions
|   |-- options.php            # PHP configuration
|   |-- Autoloader.php         # Class autoloader
|   |-- utility-loader.php     # Utility functions loader
|   |
|   +-- core/                  # Core classes (80+ files)
|       |-- Bootstrap.php      # Application initialization
|       |-- Dispatcher.php     # URL routing
|       |-- DbFactory.php      # PDO database connection
|       |-- Authentication.php # User authentication
|       |-- SessionMaker.php   # Custom session handler
|       |-- View.php           # View rendering
|       +-- ...
|
|   +-- dao/                   # Data Access Objects
|       |-- PostDao.php        # Posts CRUD
|       |-- UserDao.php        # Users CRUD
|       |-- CommentDao.php     # Comments CRUD
|       |-- TopicDao.php       # Topics CRUD
|       |-- MediaDao.php       # Media CRUD
|       |-- PageDao.php        # Pages CRUD
|       |-- MenuDao.php        # Menus CRUD
|       |-- PluginDao.php      # Plugins CRUD
|       |-- ThemeDao.php       # Themes CRUD
|       +-- ConfigurationDao.php
|
|   +-- service/               # Business logic layer
|       |-- PostService.php
|       |-- UserService.php
|       |-- CommentService.php
|       |-- TopicService.php
|       |-- MediaService.php
|       |-- PageService.php
|       |-- MenuService.php
|       |-- PluginService.php
|       |-- ThemeService.php
|       |-- ConfigurationService.php
|       +-- ReplyService.php
|
|   +-- controller/             # Request controllers
|       |-- PostController.php
|       |-- UserController.php
|       |-- CommentController.php
|       |-- TopicController.php
|       |-- MediaController.php
|       |-- PageController.php
|       |-- MenuController.php
|       |-- PluginController.php
|       |-- ThemeController.php
|       |-- ConfigurationController.php
|       |-- ReplyController.php
|       +-- api/               # API Controllers
|           |-- PostsApiController.php
|           |-- CategoriesApiController.php
|           |-- CommentsApiController.php
|           +-- ArchivesApiController.php
|
|   +-- model/                # Data models
|       |-- PostModel.php
|       |-- FrontContentModel.php
|       |-- TopicModel.php
|       |-- TagModel.php
|       |-- PageModel.php
|       |-- CommentModel.php
|       |-- GalleryModel.php
|       |-- ArchivesModel.php
|       +-- DownloadModel.php
|
|   +-- utility/              # Utility functions (100+ files)
|       |-- invoke-config.php
|       |-- form-security.php
|       |-- csrf-defender.php
|       |-- remove-xss.php
|       |-- email-validation.php
|       +-- ...
|
|   +-- vendor/              # Composer dependencies
|
|-- public/                  # Public web root
|   +-- themes/              # Theme templates
|       +-- blog/            # Default theme
|   +-- files/               # Uploaded files
|       |-- pictures/
|       |-- audio/
|       |-- video/
|       +-- docs/
|   +-- cache/               # Cache directory
|   +-- log/                 # Log directory
|
|-- docs/                    # Documentation
|   |-- DEVELOPER_GUIDE.md
|   |-- TESTING_GUIDE.md
|   |-- PLUGIN_DEVELOPER_GUIDE.md
|   |-- API_DOCUMENTATION.md
|   +-- API_OPENAPI.yaml
|
+-- install/                  # Installation wizard
    |-- index.php
    |-- setup-db.php
    |-- finish.php
    +-- include/
        |-- dbtable.php
        |-- setup.php
        +-- settings.php

$rules = [
    'home'     => "/",
    'category' => "/category/(?'category'[\w\-]+)",
    'archive'  => "/archive/[0-9]{2}/[0-9]{4}",
    'archives' => "/archives",
    'blog'     => "/blog([^/]*)",
    'page'     => "/page/(?'page'[^/]+)",
    'single'   => "/post/(?'id'\d+)/(?'post'[\w\-]+)",
    'search'   => "(?'search'[\w\-]+)",
    'tag'      => "/tag/(?'tag'[\w\- ]+)"
];

if (false === $authenticator->userAccessControl(ActionConst::PRIVACY)) {
    direct_page('index.php?load=403&forbidden=' . forbidden_id(), 403);
}