Fixed example because the "last" callable function does not receive the $next parameter

Author: christoph-kluge

examples/01-server-with-cors.php

@@ -12,7 +12,7 @@
 
 $server = new Server([
     new CorsMiddleware(),
-    function (ServerRequestInterface $request, callable $next) {
+    function (ServerRequestInterface $request) {
         return new Response(200, ['Content-Type' => 'application/json'], json_encode([
             'some' => 'nice',
             'json' => 'values',
@@ -22,6 +22,10 @@ function (ServerRequestInterface $request, callable $next) {
 
 $socket = new \React\Socket\Server(isset($argv[1]) ? $argv[1] : '0.0.0.0:0', $loop);
 $server->listen($socket);
+$server->on('error', function (Exception $exception) {
+   echo get_class($exception) . ': ' . $exception->getMessage() . PHP_EOL;
+   echo $exception->getTraceAsString() . PHP_EOL;
+});
 
 echo 'Listening on ' . str_replace('tcp:', 'http:', $socket->getAddress()) . PHP_EOL;