dompdf_composer_codeigniter.php

<?php
 
if (!defined('BASEPATH'))
    exit('No direct script access allowed');
 
class Welcome extends CI_Controller {
        
    public function index() {
        $nome_arquivo = 'teste_'.date('YmdHis');
        
        define('DOMPDF_ENABLE_AUTOLOAD', false);
        require_once BASEPATH . '../application/libraries/dompdf/dompdf/dompdf_config.inc.php';
        
        $dompdf = new DOMPDF();
        $dompdf->load_html('<strong>Teste Negrito</strong>', 'utf8');
        $dompdf->render();
        $dompdf->stream($nome_arquivo);
    }
}