--- /dev/null
+<?php
+/**
+ * @see https://github.com/zendframework/zend-diactoros for the canonical source repository
+ * @copyright Copyright (c) 2015-2017 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;
+
+/**
+ * XML response.
+ *
+ * Allows creating a response by passing an XML string to the constructor; by default,
+ * sets a status code of 200 and sets the Content-Type header to application/xml.
+ */
+class XmlResponse extends Response
+{
+ use InjectContentTypeTrait;
+
+ /**
+ * Create an XML response.
+ *
+ * Produces an XML response with a Content-Type of application/xml and a default
+ * status of 200.
+ *
+ * @param string|StreamInterface $xml String 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 $text is neither a string or stream.
+ */
+ public function __construct(
+ $xml,
+ $status = 200,
+ array $headers = []
+ ) {
+ parent::__construct(
+ $this->createBody($xml),
+ $status,
+ $this->injectContentType('application/xml; charset=utf-8', $headers)
+ );
+ }
+
+ /**
+ * Create the message body.
+ *
+ * @param string|StreamInterface $xml
+ * @return StreamInterface
+ * @throws InvalidArgumentException if $xml is neither a string or stream.
+ */
+ private function createBody($xml)
+ {
+ if ($xml instanceof StreamInterface) {
+ return $xml;
+ }
+
+ if (! is_string($xml)) {
+ throw new InvalidArgumentException(sprintf(
+ 'Invalid content (%s) provided to %s',
+ (is_object($xml) ? get_class($xml) : gettype($xml)),
+ __CLASS__
+ ));
+ }
+
+ $body = new Stream('php://temp', 'wb+');
+ $body->write($xml);
+ $body->rewind();
+ return $body;
+ }
+}