PHP code example of bairwell / middleware-cors

1. Go to this page and download the library: Download bairwell/middleware-cors 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/ */

    

bairwell / middleware-cors example snippets


$slim = new \Slim\App(); // use Slim3 as it supports PSR7 middleware

// add CORs
$slim->add(new MiddlewareCors());

// add routes
$slim->run(); // get Slim running

$slim = new \Slim\App(); // use Slim3 as it supports PSR7 middleware

$config = [
    'origin' => '*.example.com' // allow all hosts ending example.com
];

// add CORs
$slim->add(new MiddlewareCors($config));

// add routes
$slim->run(); // get Slim running

$slim = new \Slim\App(); // use Slim3 as it supports PSR7 middleware

$config = [
    'origin' => ['*.example.com', '*.example.com.test', 'example.com', 'dev.*'],
    'allowCredentials' => true
];

$slim->add(new MiddlewareCors($config)); // add CORs

// add routes
$slim->run(); // get Slim running

// read the allowed methods for a route
$corsAllowedMethods = function (ServerRequestInterface $request) use ($container) : array {
    // if this closure is called, make sure it has the route available in the container.
    /* @var RouterInterface $router */
    $router = $container->get('router');

    $routeInfo = $router->dispatch($request);
    $methods = [];
    // was the method called allowed?
    if ($routeInfo[0] === Dispatcher::METHOD_NOT_ALLOWED) {
        $methods = $routeInfo[1];
    } else {
        // if it was, see if we can get the routes and then the methods from it.
        // @var \Slim\Route $route
        $route = $request->getAttribute('route');
        
        // has the request get a route defined? is so use that
        if (null !== $route) {
            $methods = $route->getMethods();
        }
    }

    // if we have methods, let's list them removing the OPTIONs one.
    if (0 === count($methods)) {
        // find the OPTIONs method
        $key = array_search('OPTIONS', $methods,true);
        // and remove it if set.
        if (false !== $key) {
            unset($methods[$key]);
            $methods = array_values($methods);
        }
    }

    return $methods;
};

$cors = new MiddlewareCors([
    'origin' => ['*.example.com','example.com','*.example.com.test','192.168.*','10.*'],
    'exposeHeaders' => '',
    'maxAge' => 120,
    'allowCredentials' => true,
    'allowMethods' => $corsAllowedMethods,
    'allowHeaders' => ['Accept', 'Accept-Language', 'Authorization', 'Content-Type','DNT','Keep-Alive','User-Agent','X-Requested-With','If-Modified-Since','Cache-Control','Origin'],
]);

$slim->add($cors);