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<?php
namespace iplx\Http;
use Psr\Http\Message\StreamInterface;
trait MessageTrait
{
/**
* Case sensitive header names with lowercase header names as keys
*
* @var array
*/
protected $headerNames = [];
/**
* Header values with lowercase header names as keys
*
* @var array
*/
protected $headerValues = [];
/**
* The body of this request
*
* @var StreamInterface
*/
protected $body;
/**
* Protocol version
*
* @var string
*/
protected $protocolVersion;
public function getProtocolVersion()
{
return $this->protocolVersion;
}
public function withProtocolVersion($version)
{
$message = clone $this;
$message->protocolVersion = $version;
return $message;
}
public function getHeaders()
{
return array_combine($this->headerNames, $this->headerValues);
}
public function hasHeader($header)
{
return isset($this->headerValues[strtolower($header)]);
}
public function getHeader($header)
{
$header = strtolower($header);
if (! isset($this->headerValues[$header])) {
return [];
}
return $this->headerValues[$header];
}
public function getHeaderLine($name)
{
$name = strtolower($name);
if (! isset($this->headerValues[$name])) {
return '';
}
return implode(', ', $this->headerValues[$name]);
}
public function withHeader($name, $value)
{
$name = rtrim($name);
$value = $this->normalizeHeaderValues($value);
$normalized = strtolower($name);
$message = clone $this;
$message->headerNames[$normalized] = $name;
$message->headerValues[$normalized] = $value;
return $message;
}
public function withAddedHeader($name, $value)
{
$name = rtrim($name);
$value = $this->normalizeHeaderValues($value);
$normalized = strtolower($name);
$message = clone $this;
if (isset($message->headerNames[$normalized])) {
$message->headerValues[$normalized] = array_merge($message->headerValues[$normalized], $value);
} else {
$message->headerNames[$normalized] = $name;
$message->headerValues[$normalized] = $value;
}
return $message;
}
public function withoutHeader($name)
{
$normalized = strtolower(rtrim($name));
$message = clone $this;
unset($message->headerNames[$normalized]);
unset($message->headerValues[$normalized]);
return $message;
}
public function getBody()
{
return $this->body;
}
public function withBody(StreamInterface $body)
{
$message = clone $this;
$message->body = $body;
return $message;
}
protected function setHeaders(array $headers)
{
// Prepare header field names and header field values according to
// https://tools.ietf.org/html/rfc7230#section-3.2.4
$names = array_map('rtrim', array_keys($headers));
$values = $this->normalizeHeaderValues($headers);
$normalized = array_map('strtolower', $names);
$this->headerNames = array_combine(
$normalized,
$names
);
$this->headerValues = array_combine(
$normalized,
$values
);
}
protected function normalizeHeaderValues(array $values)
{
// Prepare header field names and header field values according to
// https://tools.ietf.org/html/rfc7230#section-3.2.4
return array_map(function ($value) {
if (! is_array($value)) {
$value = [$value];
}
return array_map(function ($value) {
return trim($value, " \t");
}, $value);
}, $values);
}
}
|
