Implemented PSR-15 middleware handler

1 files changed, 45 insertions, 0 deletions

diff --git a/src/Middleware/SendResponseHandler.php b/src/Middleware/SendResponseHandler.php
new file mode 100644
index 00000000..06406fe0
--- /dev/null
+++ b/src/Middleware/SendResponseHandler.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace Engelsystem\Middleware;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class SendResponseHandler implements MiddlewareInterface
+{
+    /**
+     * Send the server response to the client
+     *
+     * This should be the first middleware
+     *
+     * @param ServerRequestInterface  $request
+     * @param RequestHandlerInterface $handler
+     * @return ResponseInterface
+     */
+    public function process(
+        ServerRequestInterface $request,
+        RequestHandlerInterface $handler
+    ): ResponseInterface {
+        $response = $handler->handle($request);
+
+        if (!headers_sent()) {
+            header(sprintf(
+                'HTTP/%s %s %s',
+                $response->getProtocolVersion(),
+                $response->getStatusCode(),
+                $response->getReasonPhrase()
+            ), true, $response->getStatusCode());
+
+            foreach ($response->getHeaders() as $name => $values) {
+                foreach ($values as $value) {
+                    header($name . ': ' . $value, false);
+                }
+            }
+        }
+
+        echo $response->getBody();
+        return $response;
+    }
+}