init.php

<?php
/**
 * Main init file.
 *
 * @author    Iron Bound Designs
 * @since     1.0
 * @license   AGPL
 * @copyright Iron Bound Designs, 2015.
 */

namespace ITELIC;

if ( is_admin() ) {
	Plugin::setup_licensing();
}

/**
 * Load the main plugin functions.
 */
require_once( Plugin::$dir . 'lib/functions.php' );

/**
 * Load the DBs
 */
require_once( Plugin::$dir . 'lib/DB/load.php' );

/**
 * Load key types API methods.
 */
require_once( Plugin::$dir . 'api/key-types.php' );

/**
 * Load keys API methods.
 */
require_once( Plugin::$dir . 'api/keys.php' );

/**
 * Load activations API methods.
 */
require_once( Plugin::$dir . 'api/activations.php' );

/**
 * Load renewals API methods.
 */
require_once( Plugin::$dir . 'api/renewals.php' );

/**
 * Load releases API methods.
 */
require_once( Plugin::$dir . 'api/releases.php' );

/**
 * Load updates API methods.
 */
require_once( Plugin::$dir . 'api/updates.php' );

/**
 * Load misc API methods.
 */
require_once( Plugin::$dir . 'api/misc.php' );

/**
 * Load the Theme API methods.
 */
require_once( Plugin::$dir . 'api/theme/load.php' );

/**
 * Load the main plugin hooks
 */
require_once( Plugin::$dir . 'lib/hooks.php' );

/**
 * Initialize the plugin settings.
 */
Settings::init();

/**
 * Load the key types.
 */
require_once( Plugin::$dir . 'lib/Key/load.php' );

/**
 * Load the product features.
 */
require_once( Plugin::$dir . 'lib/Product/Feature/load.php' );

/**
 * Load the admin.
 */
require_once( Plugin::$dir . 'lib/Admin/load.php' );

/**
 * Load the renewal reminders.
 */
require_once( Plugin::$dir . 'lib/Renewal/load.php' );

/**
 * Load the upgrades.
 */
require_once( Plugin::$dir . 'lib/Upgrades/load.php' );

/**
 * Load the REST API.
 */
require_once( Plugin::$dir . 'lib/API/load.php' );

/**
 * Load the WP CLI commands.
 */
require_once( Plugin::$dir . 'wp-cli/load.php' );

/**
 * Run the upgrade routine if necessary.
 */
Plugin::upgrade();