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diff --git a/vendor/zendframework/zend-diactoros/src/Response/HtmlResponse.php b/vendor/zendframework/zend-diactoros/src/Response/HtmlResponse.php
new file mode 100644
index 000000000..1e1f032a9
--- /dev/null
+++ b/vendor/zendframework/zend-diactoros/src/Response/HtmlResponse.php
@@ -0,0 +1,74 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @see       http://github.com/zendframework/zend-diactoros for the canonical source repository
+ * @copyright Copyright (c) 2015-2016 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
+ */
+
+namespace Zend\Diactoros\Response;
+
+use InvalidArgumentException;
+use Psr\Http\Message\StreamInterface;
+use Zend\Diactoros\Response;
+use Zend\Diactoros\Stream;
+
+/**
+ * HTML response.
+ *
+ * Allows creating a response by passing an HTML string to the constructor;
+ * by default, sets a status code of 200 and sets the Content-Type header to
+ * text/html.
+ */
+class HtmlResponse extends Response
+{
+    use InjectContentTypeTrait;
+
+    /**
+     * Create an HTML response.
+     *
+     * Produces an HTML response with a Content-Type of text/html and a default
+     * status of 200.
+     *
+     * @param string|StreamInterface $html HTML or stream for the message body.
+     * @param int $status Integer status code for the response; 200 by default.
+     * @param array $headers Array of headers to use at initialization.
+     * @throws InvalidArgumentException if $html is neither a string or stream.
+     */
+    public function __construct($html, $status = 200, array $headers = [])
+    {
+        parent::__construct(
+            $this->createBody($html),
+            $status,
+            $this->injectContentType('text/html; charset=utf-8', $headers)
+        );
+    }
+
+    /**
+     * Create the message body.
+     *
+     * @param string|StreamInterface $html
+     * @return StreamInterface
+     * @throws InvalidArgumentException if $html is neither a string or stream.
+     */
+    private function createBody($html)
+    {
+        if ($html instanceof StreamInterface) {
+            return $html;
+        }
+
+        if (! is_string($html)) {
+            throw new InvalidArgumentException(sprintf(
+                'Invalid content (%s) provided to %s',
+                (is_object($html) ? get_class($html) : gettype($html)),
+                __CLASS__
+            ));
+        }
+
+        $body = new Stream('php://temp', 'wb+');
+        $body->write($html);
+        $body->rewind();
+        return $body;
+    }
+}