namespace GuzzleHttp\Psr7;
use InvalidArgumentException;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;
* PSR-7 request implementation.
class Request implements RequestInterface
* @param string $method HTTP method
* @param string|UriInterface $uri URI
* @param array $headers Request headers
* @param string|resource|StreamInterface|null $body Request body
* @param string $version Protocol version
public function __construct(
$this->assertMethod($method);
if (!($uri instanceof UriInterface)) {
$this->method = strtoupper($method);
$this->setHeaders($headers);
$this->protocol = $version;
if (!isset($this->headerNames['host'])) {
$this->updateHostFromUri();
if ($body !== '' && $body !== null) {
$this->stream = Utils::streamFor($body);
public function getRequestTarget()
if ($this->requestTarget !== null) {
return $this->requestTarget;
$target = $this->uri->getPath();
if ($this->uri->getQuery() != '') {
$target .= '?' . $this->uri->getQuery();
public function withRequestTarget($requestTarget)
if (preg_match('#\s#', $requestTarget)) {
throw new InvalidArgumentException(
'Invalid request target provided; cannot contain whitespace'
$new->requestTarget = $requestTarget;
public function getMethod()
public function withMethod($method)
$this->assertMethod($method);
$new->method = strtoupper($method);
public function withUri(UriInterface $uri, $preserveHost = false)
if ($uri === $this->uri) {
if (!$preserveHost || !isset($this->headerNames['host'])) {
$new->updateHostFromUri();
private function updateHostFromUri()
$host = $this->uri->getHost();
if (($port = $this->uri->getPort()) !== null) {
if (isset($this->headerNames['host'])) {
$header = $this->headerNames['host'];
$this->headerNames['host'] = 'Host';
// Ensure Host is the first header.
// See: http://tools.ietf.org/html/rfc7230#section-5.4
$this->headers = [$header => [$host]] + $this->headers;
private function assertMethod($method)
if (!is_string($method) || $method === '') {
throw new \InvalidArgumentException('Method must be a non-empty string.');