Controller for Home page on MODX

gistfile1.php

<?php
include_once ('/../model/webdev/webdev.class.php');
class homeController extends Webdev{

    function homeAction(){
        $twig =& $this->modx->twig;
        $field = $this->modx->resource;
        $jQuery = $twig->render('chunks/jQuery.twig');
        $jQueryBeautyofCode = $twig->render('chunks/jQueryBeautyofCode.twig');
        $siteFooter = $twig->render('chunks/siteFooter.twig');
        $globalNav = $twig->render('chunks/globalNav.twig');
        $testArray = $this->runAsFunction('testArray');
        return $twig->render('index.twig',
        [
            'jQuery'                => $jQuery,
            'jQueryBeautyofCode'    => $jQueryBeautyofCode,
            'siteFooter'            => $siteFooter,
            'field'                 => $field,
            'globalNav'             => $globalNav,
            'testArray'             => $testArray,
        ]);
    }
}