wp_mvc.php

<?php
/*
Plugin Name: WP MVC
Plugin URI: http://wordpress.org/extend/plugins/wp-mvc/
Description: Sets up an MVC framework inside of WordPress.
Author: Tom Benner
Version: 1.3.6
Author URI: https://github.com/tombenner
*/

if (!defined('MVC_PLUGIN_PATH')) {
    define('MVC_PLUGIN_PATH', dirname(__FILE__).'/');
}

// Load public functionality
require_once MVC_PLUGIN_PATH.'core/loaders/mvc_public_loader.php';
$public_loader = new MvcPublicLoader();

if (is_admin()) {

    // Load admin functionality
    require_once MVC_PLUGIN_PATH.'core/loaders/mvc_admin_loader.php';
    $admin_loader = new MvcAdminLoader();
    
    add_action('wp_loaded', array($public_loader,'load_rewrite_rules'));
    add_action('admin_init', array($admin_loader, 'admin_init'));
    add_action('admin_menu', array($admin_loader, 'add_menu_pages'));
    add_action('admin_menu', array($admin_loader, 'add_settings_pages'));
    add_action('plugins_loaded', array($admin_loader, 'add_admin_ajax_routes'));
    wp_mvc_load_global_functionality($admin_loader);

}  else {

    // filters for public urls
    add_filter('rewrite_rules_array', array($public_loader, 'add_rewrite_rules'));
    add_filter('query_vars', array($public_loader, 'add_query_vars'));
    add_action('template_redirect', array($public_loader, 'template_redirect'));
    wp_mvc_load_global_functionality($public_loader);
}

// Load global functionality
function wp_mvc_load_global_functionality(&$loader) { //public or admin, depending on context
    add_action('init', array($loader, 'init'));
    add_action('widgets_init', array($loader, 'register_widgets'));
    add_filter('post_type_link', array($loader, 'filter_post_link'), 10, 2);
}