functions.php

<?php
/**
 *
 * @package  WordPress
 * @subpackage  PropxlsTheme
 */

/**
 * Timber as a Composer dependency 
 */
$composer_autoload = __DIR__ . '/vendor/autoload.php';
if ( file_exists( $composer_autoload ) ) {
	require_once $composer_autoload;
	$timber = new Timber\Timber();
}

/**
 * Check if Timber loaded else show error
 */
if ( ! class_exists( 'Timber' ) ) {

	add_action(
		'admin_notices',
		function() {
			echo '<div class="error"><p>Timber not activated. Did you run <pre>composer install</pre>?</p></div>';
		}
	);

	add_filter(
		'template_include',
		function( $template ) {
			return get_stylesheet_directory() . '/static/no-timber.html';
		}
	);
	return;
}

/**
 * Sets the directories (inside your theme) to find .twig files
 */
Timber::$dirname = array( 'templates', 'templates/layouts', 'templates/partials' );

/**
 * By default, Timber does NOT autoescape values. Want to enable Twig's autoescape?
 * No prob! Just set this value to true
 */
Timber::$autoescape = false;

/**
 * Bootstrap our theme
 */
require_once('propxls/bootstrap.php');