<?php namespace App\Filters; use CodeIgniter\HTTP\RequestInterface; use CodeIgniter\HTTP\ResponseInterface; use CodeIgniter\Filters\FilterInterface; /** * Description of MyFilter * * @author hoksi */ class MyAfterFilter implements FilterInterface { public function before(RequestInterface $request, $arguments = null) { // Do something here } public function after(RequestInterface $request, ResponseInterface $response, $arguments = null) { $body = $response->getBody(); $body = str_replace('login', 'world!', $body); $response->setBody($body); } }