PHP code example of aalfiann / slim-etag-middleware

1. Go to this page and download the library: Download aalfiann/slim-etag-middleware library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

aalfiann / slim-etag-middleware example snippets



use \Psr\Http\Message\ServerRequestInterface as Request;
use \Psr\Http\Message\ResponseInterface as Response;
use \aalfiann\Slim\Middleware\ETag;

// Initialize Slim App
$app = new \Slim\App($settings);

// create route /
$app->get('/', function (Request $request, Response $response) {
    $data = ['title' => 'hello world'];
    // create new strong etag. eg: "abc"
    return $response
        ->withHeader('ETag','"abc"')
        ->withJson($data,200,JSON_PRETTY_PRINT);
})
    // this etag middleware will check is current etag same as request etag or not?
    // if same then response header will be 304 Not Modified and empty body.
    ->add(new ETag('abc','strong'))
    ->setName("/");

$app->run();