5.0.0 release

Adding support for non-blocking responses and some minor API cleanup.

New Features

• Added support for non-blocking responses based on guzzlehttp/guzzle-ring.
• Added a public API for creating a default HTTP adapter.
• Updated the redirect plugin to be non-blocking so that redirects are sent
  concurrently. Other plugins like this can now be updated to be non-blocking.
• Added a "progress" event so that you can get upload and download progress
  events.
• Added GuzzleHttp\Pool which implements FutureInterface and transfers
  requests concurrently using a capped pool size as efficiently as possible.
• Added hasListeners() to EmitterInterface.
• Removed GuzzleHttp\ClientInterface::sendAll and marked
  GuzzleHttp\Client::sendAll as deprecated (it's still there, just not the
  recommended way).

Breaking changes

The breaking changes in this release are relatively minor. The biggest thing to
look out for is that request and response objects no longer implement fluent
interfaces.

• Removed the fluent interfaces (i.e., return $this) from requests,
  responses, GuzzleHttp\Collection, GuzzleHttp\Url,
  GuzzleHttp\Query, GuzzleHttp\Post\PostBody, and
  GuzzleHttp\Cookie\SetCookie. This blog post provides a good outline of
  why I did this: http://ocramius.github.io/blog/fluent-interfaces-are-evil/.
  This also makes the Guzzle message interfaces compatible with the current
  PSR-7 message proposal.
• Removed "functions.php", so that Guzzle is truly PSR-4 compliant. Except
  for the HTTP request functions from function.php, these functions are now
  implemented in GuzzleHttp\Utils using camelCase. GuzzleHttp\json_decode
  moved to GuzzleHttp\Utils::jsonDecode. GuzzleHttp\get_path moved to
  GuzzleHttp\Utils::getPath. GuzzleHttp\set_path moved to
  GuzzleHttp\Utils::setPath. GuzzleHttp\batch should now be
  GuzzleHttp\Pool::batch, which returns an SplObjectStorage. Using functions.php
  caused problems for many users: they aren't PSR-4 compliant, require an
  explicit include, and needed an if-guard to ensure that the functions are not
  declared multiple times.
• Rewrote adapter layer.
  • Removing all classes from GuzzleHttp\Adapter, these are now
    implemented as callables that are stored in GuzzleHttp\Ring\Client.
  • Removed the concept of "parallel adapters". Sending requests serially or
    concurrently is now handled using a single adapter.
  • Moved GuzzleHttp\Adapter\Transaction to GuzzleHttp\Transaction. The
    Transaction object now exposes the request, response, and client as public
    properties. The getters and setters have been removed.
• Removed the "headers" event. This event was only useful for changing the
  body a response once the headers of the response were known. You can implement
  a similar behavior in a number of ways. One example might be to use a
  FnStream that has access to the transaction being sent. For example, when the
  first byte is written, you could check if the response headers match your
  expectations, and if so, change the actual stream body that is being
  written to.
• Removed the asArray parameter from
  GuzzleHttp\Message\MessageInterface::getHeader. If you want to get a header
  value as an array, then use the newly added getHeaderAsArray() method of
  MessageInterface. This change makes the Guzzle interfaces compatible with
  the PSR-7 interfaces.
• GuzzleHttp\Message\MessageFactory no longer allows subclasses to add
  custom request options using double-dispatch (this was an implementation
  detail). Instead, you should now provide an associative array to the
  constructor which is a mapping of the request option name mapping to a
  function that applies the option value to a request.
• Removed the concept of "throwImmediately" from exceptions and error events.
  This control mechanism was used to stop a transfer of concurrent requests
  from completing. This can now be handled by throwing the exception or by
  cancelling a pool of requests or each outstanding future request individually.
• Updated to "GuzzleHttp\Streams" 3.0.
  • GuzzleHttp\Stream\StreamInterface::getContents() no longer accepts a
    maxLen parameter. This update makes the Guzzle streams project
    compatible with the current PSR-7 proposal.
  • GuzzleHttp\Stream\Stream::__construct,
    GuzzleHttp\Stream\Stream::factory, and
    GuzzleHttp\Stream\Utils::create no longer accept a size in the second
    argument. They now accept an associative array of options, including the
    "size" key and "metadata" key which can be used to provide custom metadata.

4.2.3

4.2.3 release

4.2.2

• Fixed a memory leak in the CurlAdapter when reusing cURL handles.
• No longer using request_fulluri in stream adapter proxies.
• Relative redirects are now based on the last response, not the first response.

4.2.1

• Ensuring that the StreamAdapter does not always add a Content-Type header
• Adding automated github releases with a phar and zip

3.8.1

• Bug: Always using GET requests when redirecting from a 303 response
• Bug: CURLOPT_SSL_VERIFYHOST is now correctly set to false when setting $certificateAuthority to false in
  Guzzle\Http\ClientInterface::setSslVerification()
• Bug: RedirectPlugin now uses strict RFC 3986 compliance when combining a base URL with a relative URL
• Bug: The body of a request can now be set to "0"
• Sending PHP stream requests no longer forces HTTP/1.0
• Adding more information to ExceptionCollection exceptions so that users have more context, including a stack trace of
  each sub-exception
• Updated the $ref attribute in service descriptions to merge over any existing parameters of a schema (rather than
  clobbering everything).
• Merging URLs will now use the query string object from the relative URL (thus allowing custom query aggregators)
• Query strings are now parsed in a way that they do no convert empty keys with no value to have a dangling =.
  For example foo&bar=baz is now correctly parsed and recognized as foo&bar=baz rather than foo=&bar=baz.
• Now properly escaping the regular expression delimiter when matching Cookie domains.
• Network access is now disabled when loading XML documents

3.8.0

• Added the ability to define a POST name for a file
• JSON response parsing now properly walks additionalProperties
• cURL error code 18 is now retried automatically in the BackoffPlugin
• Fixed a cURL error when URLs contain fragments
• Fixed an issue in the BackoffPlugin retry event where it was trying to access all exceptions as if they were
  CurlExceptions
• CURLOPT_PROGRESS function fix for PHP 5.5 (69fcc1e)
• Added the ability for Guzzle to work with older versions of cURL that do not support CURLOPT_TIMEOUT_MS
• Fixed a bug that was encountered when parsing empty header parameters
• UriTemplate now has a setRegex() method to match the docs
• The debug request parameter now checks if it is truthy rather than if it exists
• Setting the debug request parameter to true shows verbose cURL output instead of using the LogPlugin
• Added the ability to combine URLs using strict RFC 3986 compliance
• Command objects can now return the validation errors encountered by the command
• Various fixes to cache revalidation (#437 and 29797e5)
• Various fixes to the AsyncPlugin
• Cleaned up build scripts

3.7.4

• Bug fix: 0 is now an allowed value in a description parameter that has a default value (#430)
• Bug fix: SchemaFormatter now returns an integer when formatting to a Unix timestamp (see aws/aws-sdk-php#147)
• Bug fix: Cleaned up and fixed URL dot segment removal to properly resolve internal dots
• Minimum PHP version is now properly specified as 5.3.3 (up from 5.3.2) (#420)
  Updated the bundled cacert.pem (#419)
• OauthPlugin now supports adding authentication to headers or query string (#425)