Modified Kirby CMS index.php passing rendered page through HTML Tidy via PHP HTML Tidy functions

index.php

<?php


define('DS', DIRECTORY_SEPARATOR);

// load kirby
require(__DIR__ . DS . 'kirby' . DS . 'bootstrap.php');

// check for a custom site.php
if(file_exists(__DIR__ . DS . 'site.php')) {
  require(__DIR__ . DS . 'site.php');
} else {
  $kirby = kirby();
}


$config = array(
            'indent'                => true,
            'indent-spaces'         => '5',
            'quote-ampersand'       => true,
            'quote-marks'           => true,
            'indent-cdata'          => true,
            'enclose-text'          => true,
            'vertical-space'        => true,
            'sort-attributes'       => 'alpha',
            'wrap'                  => '80',
            'output-html'           => true,
            'break-before-br'       => true,
            'markup'                => true,
            'write-back'            => true,
            'wrap-script-literals'  => true,
            'wrap-sections'         => true,
            'quiet'                 => true,
            'error-file'            => 'tidy.log');


/*  Pass the kirby rendering ($kirby->launch())
    through HTML Tidy before sending to client */
$tidy = new tidy();
$tidy->parseString($kirby->launch(), $config, 'utf8');
$tidy->cleanRepair();
echo tidy_get_output($tidy);