php ライブラリ「filp/whoops」を使ってエラー画面を見やすくに表示する

composer require filp/whoops

<出力結果>
Using version ^2.7 for filp/whoops
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 1 install, 0 updates, 0 removals
  - Installing filp/whoops (2.7.3): Downloading (100%)
filp/whoops suggests installing whoops/soap (Formats errors as SOAP responses)
Package mschop/noteephp is abandoned, you should avoid using it. Use mschop/notee instead.
Writing lock file
Generating autoload files
20 packages you are using are looking for funding.
Use the `composer fund` command to find out more!

<?php

require_once __DIR__ . '/vendor/autoload.php';

$whoops = new \Whoops\Run;
$whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler);
$whoops->register();

$text = file_get_contents("nofind.txt");