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<?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;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;
/**
* HTTP Request encapsulation
*
* Requests are considered immutable; all methods that might change state are
* implemented such that they retain the internal state of the current
* message and return a new instance that contains the changed state.
*/
class Request implements RequestInterface
{
use RequestTrait;
/**
* @param null|string|UriInterface $uri URI for the request, if any.
* @param null|string $method HTTP method for the request, if any.
* @param string|resource|StreamInterface $body Message body, if any.
* @param array $headers Headers for the message, if any.
* @throws \InvalidArgumentException for any invalid value.
*/
public function __construct($uri = null, $method = null, $body = 'php://temp', array $headers = [])
{
$this->initialize($uri, $method, $body, $headers);
}
/**
* {@inheritdoc}
*/
public function getHeaders()
{
$headers = $this->headers;
if (! $this->hasHeader('host')
&& $this->uri->getHost()
) {
$headers['Host'] = [$this->getHostFromUri()];
}
return $headers;
}
/**
* {@inheritdoc}
*/
public function getHeader($header)
{
if (! $this->hasHeader($header)) {
if (strtolower($header) === 'host'
&& $this->uri->getHost()
) {
return [$this->getHostFromUri()];
}
return [];
}
$header = $this->headerNames[strtolower($header)];
return $this->headers[$header];
}
}