Jump/jumpapp/classes/Pages/ErrorPage.php

<?php

namespace Jump\Pages;

class ErrorPage {

    private string $content;

    public function __construct(private \Jump\Cache $cache, private \Jump\Config $config, private int $httpcode, public string $message) {
        $this->mustache = new \Mustache_Engine([
            'loader' => new \Mustache_Loader_FilesystemLoader($this->config->get('templatedir'))
        ]);
        $this->content = $cache->load(cachename: 'templates/errorpage', key: $httpcode.md5($message), callback: function() use ($httpcode, $message) {
            $template = $this->mustache->loadTemplate('errorpage');
            return $template->render([
                'code' => $httpcode,
                'message' => $message
            ]);
        });
    }

    public function init() {
        http_response_code($this->httpcode);
        die($this->content);
    }

}