scratch – Rev 87
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<?php
namespace GuzzleHttp\Message;
use GuzzleHttp\Stream\StreamInterface;
/**
* Request and response message interface
*/
interface MessageInterface
{
/**
* Get a string representation of the message
*
* @return string
*/
public function __toString();
/**
* Get the HTTP protocol version of the message
*
* @return string
*/
public function getProtocolVersion();
/**
* Sets the body of the message.
*
* The body MUST be a StreamInterface object. Setting the body to null MUST
* remove the existing body.
*
* @param StreamInterface|null $body Body.
*
* @return self Returns the message.
*/
public function setBody(StreamInterface $body = null);
/**
* Get the body of the message
*
* @return StreamInterface|null
*/
public function getBody();
/**
* Gets all message headers.
*
* The keys represent the header name as it will be sent over the wire, and
* each value is an array of strings associated with the header.
*
* // Represent the headers as a string
* foreach ($message->getHeaders() as $name => $values) {
* echo $name . ": " . implode(", ", $values);
* }
*
* @return array Returns an associative array of the message's headers.
*/
public function getHeaders();
/**
* Retrieve a header by the given case-insensitive name.
*
* By default, this method returns all of the header values of the given
* case-insensitive header name as a string concatenated together using
* a comma. Because some header should not be concatenated together using a
* comma, this method provides a Boolean argument that can be used to
* retrieve the associated header values as an array of strings.
*
* @param string $header Case-insensitive header name.
* @param bool $asArray Set to true to retrieve the header value as an
* array of strings.
*
* @return array|string
*/
public function getHeader($header, $asArray = false);
/**
* Checks if a header exists by the given case-insensitive name.
*
* @param string $header Case-insensitive header name.
*
* @return bool Returns true if any header names match the given header
* name using a case-insensitive string comparison. Returns false if
* no matching header name is found in the message.
*/
public function hasHeader($header);
/**
* Remove a specific header by case-insensitive name.
*
* @param string $header Case-insensitive header name.
*
* @return self
*/
public function removeHeader($header);
/**
* Appends a header value to any existing values associated with the
* given header name.
*
* @param string $header Header name to add
* @param string $value Value of the header
*
* @return self
*/
public function addHeader($header, $value);
/**
* Merges in an associative array of headers.
*
* Each array key MUST be a string representing the case-insensitive name
* of a header. Each value MUST be either a string or an array of strings.
* For each value, the value is appended to any existing header of the same
* name, or, if a header does not already exist by the given name, then the
* header is added.
*
* @param array $headers Associative array of headers to add to the message
*
* @return self
*/
public function addHeaders(array $headers);
/**
* Sets a header, replacing any existing values of any headers with the
* same case-insensitive name.
*
* The header values MUST be a string or an array of strings.
*
* @param string $header Header name
* @param string|array $value Header value(s)
*
* @return self Returns the message.
*/
public function setHeader($header, $value);
/**
* Sets headers, replacing any headers that have already been set on the
* message.
*
* The array keys MUST be a string. The array values must be either a
* string or an array of strings.
*
* @param array $headers Headers to set.
*
* @return self Returns the message.
*/
public function setHeaders(array $headers);
}