functions.php

<?php

/*
|--------------------------------------------------------------------------
| Register The Auto Loader
|--------------------------------------------------------------------------
|
| Composer provides a convenient, automatically generated class loader for
| our theme. We will simply require it into the script here so that we
| don't have to worry about manually loading any of our classes later on.
|
*/

if (! file_exists($composer = __DIR__ . '/vendor/autoload.php')) {
    wp_die(__('Error locating autoloader. Please run <code>composer install</code>.', 'sage'));
}

require $composer;

/*
|--------------------------------------------------------------------------
| Run The Theme
|--------------------------------------------------------------------------
|
| Once we have the theme booted, we can handle the incoming request using
| the application's HTTP kernel. Then, we will send the response back
| to this client's browser, allowing them to enjoy our application.
|
*/

require_once __DIR__ . '/bootstrap/app.php';