1# Change Log
2
3Please refer to [UPGRADING](UPGRADING.md) guide for upgrading to a major version.
4
5
6## 7.8.1 - 2023-12-03
7
8### Changed
9
10- Updated links in docs to their canonical versions
11- Replaced `call_user_func*` with native calls
12
13
14## 7.8.0 - 2023-08-27
15
16### Added
17
18- Support for PHP 8.3
19- Added automatic closing of handles on `CurlFactory` object destruction
20
21
22## 7.7.1 - 2023-08-27
23
24### Changed
25
26- Remove the need for `AllowDynamicProperties` in `CurlMultiHandler`
27
28
29## 7.7.0 - 2023-05-21
30
31### Added
32
33- Support `guzzlehttp/promises` v2
34
35
36## 7.6.1 - 2023-05-15
37
38### Fixed
39
40- Fix `SetCookie::fromString` MaxAge deprecation warning and skip invalid MaxAge values
41
42
43## 7.6.0 - 2023-05-14
44
45### Added
46
47- Support for setting the minimum TLS version in a unified way
48- Apply on request the version set in options parameters
49
50
51## 7.5.2 - 2023-05-14
52
53### Fixed
54
55- Fixed set cookie constructor validation
56- Fixed handling of files with `'0'` body
57
58### Changed
59
60- Corrected docs and default connect timeout value to 300 seconds
61
62
63## 7.5.1 - 2023-04-17
64
65### Fixed
66
67- Fixed `NO_PROXY` settings so that setting the `proxy` option to `no` overrides the env variable
68
69### Changed
70
71- Adjusted `guzzlehttp/psr7` version constraint to `^1.9.1 || ^2.4.5`
72
73
74## 7.5.0 - 2022-08-28
75
76### Added
77
78- Support PHP 8.2
79- Add request to delay closure params
80
81
82## 7.4.5 - 2022-06-20
83
84### Fixed
85
86* Fix change in port should be considered a change in origin
87* Fix `CURLOPT_HTTPAUTH` option not cleared on change of origin
88
89
90## 7.4.4 - 2022-06-09
91
92### Fixed
93
94* Fix failure to strip Authorization header on HTTP downgrade
95* Fix failure to strip the Cookie header on change in host or HTTP downgrade
96
97
98## 7.4.3 - 2022-05-25
99
100### Fixed
101
102* Fix cross-domain cookie leakage
103
104
105## 7.4.2 - 2022-03-20
106
107### Fixed
108
109- Remove curl auth on cross-domain redirects to align with the Authorization HTTP header
110- Reject non-HTTP schemes in StreamHandler
111- Set a default ssl.peer_name context in StreamHandler to allow `force_ip_resolve`
112
113
114## 7.4.1 - 2021-12-06
115
116### Changed
117
118- Replaced implicit URI to string coercion [#2946](https://github.com/guzzle/guzzle/pull/2946)
119- Allow `symfony/deprecation-contracts` version 3 [#2961](https://github.com/guzzle/guzzle/pull/2961)
120
121### Fixed
122
123- Only close curl handle if it's done [#2950](https://github.com/guzzle/guzzle/pull/2950)
124
125
126## 7.4.0 - 2021-10-18
127
128### Added
129
130- Support PHP 8.1 [#2929](https://github.com/guzzle/guzzle/pull/2929), [#2939](https://github.com/guzzle/guzzle/pull/2939)
131- Support `psr/log` version 2 and 3 [#2943](https://github.com/guzzle/guzzle/pull/2943)
132
133### Fixed
134
135- Make sure we always call `restore_error_handler()` [#2915](https://github.com/guzzle/guzzle/pull/2915)
136- Fix progress parameter type compatibility between the cURL and stream handlers [#2936](https://github.com/guzzle/guzzle/pull/2936)
137- Throw `InvalidArgumentException` when an incorrect `headers` array is provided [#2916](https://github.com/guzzle/guzzle/pull/2916), [#2942](https://github.com/guzzle/guzzle/pull/2942)
138
139### Changed
140
141- Be more strict with types [#2914](https://github.com/guzzle/guzzle/pull/2914), [#2917](https://github.com/guzzle/guzzle/pull/2917), [#2919](https://github.com/guzzle/guzzle/pull/2919), [#2945](https://github.com/guzzle/guzzle/pull/2945)
142
143
144## 7.3.0 - 2021-03-23
145
146### Added
147
148- Support for DER and P12 certificates [#2413](https://github.com/guzzle/guzzle/pull/2413)
149- Support the cURL (http://) scheme for StreamHandler proxies [#2850](https://github.com/guzzle/guzzle/pull/2850)
150- Support for `guzzlehttp/psr7:^2.0` [#2878](https://github.com/guzzle/guzzle/pull/2878)
151
152### Fixed
153
154- Handle exceptions on invalid header consistently between PHP versions and handlers [#2872](https://github.com/guzzle/guzzle/pull/2872)
155
156
157## 7.2.0 - 2020-10-10
158
159### Added
160
161- Support for PHP 8 [#2712](https://github.com/guzzle/guzzle/pull/2712), [#2715](https://github.com/guzzle/guzzle/pull/2715), [#2789](https://github.com/guzzle/guzzle/pull/2789)
162- Support passing a body summarizer to the http errors middleware [#2795](https://github.com/guzzle/guzzle/pull/2795)
163
164### Fixed
165
166- Handle exceptions during response creation [#2591](https://github.com/guzzle/guzzle/pull/2591)
167- Fix CURLOPT_ENCODING not to be overwritten [#2595](https://github.com/guzzle/guzzle/pull/2595)
168- Make sure the Request always has a body object [#2804](https://github.com/guzzle/guzzle/pull/2804)
169
170### Changed
171
172- The `TooManyRedirectsException` has a response [#2660](https://github.com/guzzle/guzzle/pull/2660)
173- Avoid "functions" from dependencies [#2712](https://github.com/guzzle/guzzle/pull/2712)
174
175### Deprecated
176
177- Using environment variable GUZZLE_CURL_SELECT_TIMEOUT [#2786](https://github.com/guzzle/guzzle/pull/2786)
178
179
180## 7.1.1 - 2020-09-30
181
182### Fixed
183
184- Incorrect EOF detection for response body streams on Windows.
185
186### Changed
187
188- We dont connect curl `sink` on HEAD requests.
189- Removed some PHP 5 workarounds
190
191
192## 7.1.0 - 2020-09-22
193
194### Added
195
196- `GuzzleHttp\MessageFormatterInterface`
197
198### Fixed
199
200- Fixed issue that caused cookies with no value not to be stored.
201- On redirects, we allow all safe methods like GET, HEAD and OPTIONS.
202- Fixed logging on empty responses.
203- Make sure MessageFormatter::format returns string
204
205### Deprecated
206
207- All functions in `GuzzleHttp` has been deprecated. Use static methods on `Utils` instead.
208- `ClientInterface::getConfig()`
209- `Client::getConfig()`
210- `Client::__call()`
211- `Utils::defaultCaBundle()`
212- `CurlFactory::LOW_CURL_VERSION_NUMBER`
213
214
215## 7.0.1 - 2020-06-27
216
217* Fix multiply defined functions fatal error [#2699](https://github.com/guzzle/guzzle/pull/2699)
218
219
220## 7.0.0 - 2020-06-27
221
222No changes since 7.0.0-rc1.
223
224
225## 7.0.0-rc1 - 2020-06-15
226
227### Changed
228
229* Use error level for logging errors in Middleware [#2629](https://github.com/guzzle/guzzle/pull/2629)
230* Disabled IDN support by default and require ext-intl to use it [#2675](https://github.com/guzzle/guzzle/pull/2675)
231
232
233## 7.0.0-beta2 - 2020-05-25
234
235### Added
236
237* Using `Utils` class instead of functions in the `GuzzleHttp` namespace. [#2546](https://github.com/guzzle/guzzle/pull/2546)
238* `ClientInterface::MAJOR_VERSION` [#2583](https://github.com/guzzle/guzzle/pull/2583)
239
240### Changed
241
242* Avoid the `getenv` function when unsafe [#2531](https://github.com/guzzle/guzzle/pull/2531)
243* Added real client methods [#2529](https://github.com/guzzle/guzzle/pull/2529)
244* Avoid functions due to global install conflicts [#2546](https://github.com/guzzle/guzzle/pull/2546)
245* Use Symfony intl-idn polyfill [#2550](https://github.com/guzzle/guzzle/pull/2550)
246* Adding methods for HTTP verbs like `Client::get()`, `Client::head()`, `Client::patch()` etc [#2529](https://github.com/guzzle/guzzle/pull/2529)
247* `ConnectException` extends `TransferException` [#2541](https://github.com/guzzle/guzzle/pull/2541)
248* Updated the default User Agent to "GuzzleHttp/7" [#2654](https://github.com/guzzle/guzzle/pull/2654)
249
250### Fixed
251
252* Various intl icu issues [#2626](https://github.com/guzzle/guzzle/pull/2626)
253
254### Removed
255
256* Pool option `pool_size` [#2528](https://github.com/guzzle/guzzle/pull/2528)
257
258
259## 7.0.0-beta1 - 2019-12-30
260
261The diff might look very big but 95% of Guzzle users will be able to upgrade without modification.
262Please see [the upgrade document](UPGRADING.md) that describes all BC breaking changes.
263
264### Added
265
266* Implement PSR-18 and dropped PHP 5 support [#2421](https://github.com/guzzle/guzzle/pull/2421) [#2474](https://github.com/guzzle/guzzle/pull/2474)
267* PHP 7 types [#2442](https://github.com/guzzle/guzzle/pull/2442) [#2449](https://github.com/guzzle/guzzle/pull/2449) [#2466](https://github.com/guzzle/guzzle/pull/2466) [#2497](https://github.com/guzzle/guzzle/pull/2497) [#2499](https://github.com/guzzle/guzzle/pull/2499)
268* IDN support for redirects [2424](https://github.com/guzzle/guzzle/pull/2424)
269
270### Changed
271
272* Dont allow passing null as third argument to `BadResponseException::__construct()` [#2427](https://github.com/guzzle/guzzle/pull/2427)
273* Use SAPI constant instead of method call [#2450](https://github.com/guzzle/guzzle/pull/2450)
274* Use native function invocation [#2444](https://github.com/guzzle/guzzle/pull/2444)
275* Better defaults for PHP installations with old ICU lib [2454](https://github.com/guzzle/guzzle/pull/2454)
276* Added visibility to all constants [#2462](https://github.com/guzzle/guzzle/pull/2462)
277* Dont allow passing `null` as URI to `Client::request()` and `Client::requestAsync()` [#2461](https://github.com/guzzle/guzzle/pull/2461)
278* Widen the exception argument to throwable [#2495](https://github.com/guzzle/guzzle/pull/2495)
279
280### Fixed
281
282* Logging when Promise rejected with a string [#2311](https://github.com/guzzle/guzzle/pull/2311)
283
284### Removed
285
286* Class `SeekException` [#2162](https://github.com/guzzle/guzzle/pull/2162)
287* `RequestException::getResponseBodySummary()` [#2425](https://github.com/guzzle/guzzle/pull/2425)
288* `CookieJar::getCookieValue()` [#2433](https://github.com/guzzle/guzzle/pull/2433)
289* `uri_template()` and `UriTemplate` [#2440](https://github.com/guzzle/guzzle/pull/2440)
290* Request options `save_to` and `exceptions` [#2464](https://github.com/guzzle/guzzle/pull/2464)
291
292
293## 6.5.2 - 2019-12-23
294
295* idn_to_ascii() fix for old PHP versions [#2489](https://github.com/guzzle/guzzle/pull/2489)
296
297
298## 6.5.1 - 2019-12-21
299
300* Better defaults for PHP installations with old ICU lib [#2454](https://github.com/guzzle/guzzle/pull/2454)
301* IDN support for redirects [#2424](https://github.com/guzzle/guzzle/pull/2424)
302
303
304## 6.5.0 - 2019-12-07
305
306* Improvement: Added support for reset internal queue in MockHandler. [#2143](https://github.com/guzzle/guzzle/pull/2143)
307* Improvement: Added support to pass arbitrary options to `curl_multi_init`. [#2287](https://github.com/guzzle/guzzle/pull/2287)
308* Fix: Gracefully handle passing `null` to the `header` option. [#2132](https://github.com/guzzle/guzzle/pull/2132)
309* Fix: `RetryMiddleware` did not do exponential delay between retires due unit mismatch. [#2132](https://github.com/guzzle/guzzle/pull/2132)
310* Fix: Prevent undefined offset when using array for ssl_key options. [#2348](https://github.com/guzzle/guzzle/pull/2348)
311* Deprecated `ClientInterface::VERSION`
312
313
314## 6.4.1 - 2019-10-23
315
316* No `guzzle.phar` was created in 6.4.0 due expired API token. This release will fix that
317* Added `parent::__construct()` to `FileCookieJar` and `SessionCookieJar`
318
319
320## 6.4.0 - 2019-10-23
321
322* Improvement: Improved error messages when using curl < 7.21.2 [#2108](https://github.com/guzzle/guzzle/pull/2108)
323* Fix: Test if response is readable before returning a summary in `RequestException::getResponseBodySummary()` [#2081](https://github.com/guzzle/guzzle/pull/2081)
324* Fix: Add support for GUZZLE_CURL_SELECT_TIMEOUT environment variable [#2161](https://github.com/guzzle/guzzle/pull/2161)
325* Improvement: Added `GuzzleHttp\Exception\InvalidArgumentException` [#2163](https://github.com/guzzle/guzzle/pull/2163)
326* Improvement: Added `GuzzleHttp\_current_time()` to use `hrtime()` if that function exists. [#2242](https://github.com/guzzle/guzzle/pull/2242)
327* Improvement: Added curl's `appconnect_time` in `TransferStats` [#2284](https://github.com/guzzle/guzzle/pull/2284)
328* Improvement: Make GuzzleException extend Throwable wherever it's available [#2273](https://github.com/guzzle/guzzle/pull/2273)
329* Fix: Prevent concurrent writes to file when saving `CookieJar` [#2335](https://github.com/guzzle/guzzle/pull/2335)
330* Improvement: Update `MockHandler` so we can test transfer time [#2362](https://github.com/guzzle/guzzle/pull/2362)
331
332
333## 6.3.3 - 2018-04-22
334
335* Fix: Default headers when decode_content is specified
336
337
338## 6.3.2 - 2018-03-26
339
340* Fix: Release process
341
342
343## 6.3.1 - 2018-03-26
344
345* Bug fix: Parsing 0 epoch expiry times in cookies [#2014](https://github.com/guzzle/guzzle/pull/2014)
346* Improvement: Better ConnectException detection [#2012](https://github.com/guzzle/guzzle/pull/2012)
347* Bug fix: Malformed domain that contains a "/" [#1999](https://github.com/guzzle/guzzle/pull/1999)
348* Bug fix: Undefined offset when a cookie has no first key-value pair [#1998](https://github.com/guzzle/guzzle/pull/1998)
349* Improvement: Support PHPUnit 6 [#1953](https://github.com/guzzle/guzzle/pull/1953)
350* Bug fix: Support empty headers [#1915](https://github.com/guzzle/guzzle/pull/1915)
351* Bug fix: Ignore case during header modifications [#1916](https://github.com/guzzle/guzzle/pull/1916)
352
353+ Minor code cleanups, documentation fixes and clarifications.
354
355
356## 6.3.0 - 2017-06-22
357
358* Feature: force IP resolution (ipv4 or ipv6) [#1608](https://github.com/guzzle/guzzle/pull/1608), [#1659](https://github.com/guzzle/guzzle/pull/1659)
359* Improvement: Don't include summary in exception message when body is empty [#1621](https://github.com/guzzle/guzzle/pull/1621)
360* Improvement: Handle `on_headers` option in MockHandler [#1580](https://github.com/guzzle/guzzle/pull/1580)
361* Improvement: Added SUSE Linux CA path [#1609](https://github.com/guzzle/guzzle/issues/1609)
362* Improvement: Use class reference for getting the name of the class instead of using hardcoded strings [#1641](https://github.com/guzzle/guzzle/pull/1641)
363* Feature: Added `read_timeout` option [#1611](https://github.com/guzzle/guzzle/pull/1611)
364* Bug fix: PHP 7.x fixes [#1685](https://github.com/guzzle/guzzle/pull/1685), [#1686](https://github.com/guzzle/guzzle/pull/1686), [#1811](https://github.com/guzzle/guzzle/pull/1811)
365* Deprecation: BadResponseException instantiation without a response [#1642](https://github.com/guzzle/guzzle/pull/1642)
366* Feature: Added NTLM auth [#1569](https://github.com/guzzle/guzzle/pull/1569)
367* Feature: Track redirect HTTP status codes [#1711](https://github.com/guzzle/guzzle/pull/1711)
368* Improvement: Check handler type during construction [#1745](https://github.com/guzzle/guzzle/pull/1745)
369* Improvement: Always include the Content-Length if there's a body [#1721](https://github.com/guzzle/guzzle/pull/1721)
370* Feature: Added convenience method to access a cookie by name [#1318](https://github.com/guzzle/guzzle/pull/1318)
371* Bug fix: Fill `CURLOPT_CAPATH` and `CURLOPT_CAINFO` properly [#1684](https://github.com/guzzle/guzzle/pull/1684)
372* Improvement:  	Use `\GuzzleHttp\Promise\rejection_for` function instead of object init [#1827](https://github.com/guzzle/guzzle/pull/1827)
373
374+ Minor code cleanups, documentation fixes and clarifications.
375
376
377## 6.2.3 - 2017-02-28
378
379* Fix deprecations with guzzle/psr7 version 1.4
380
381
382## 6.2.2 - 2016-10-08
383
384* Allow to pass nullable Response to delay callable
385* Only add scheme when host is present
386* Fix drain case where content-length is the literal string zero
387* Obfuscate in-URL credentials in exceptions
388
389
390## 6.2.1 - 2016-07-18
391
392* Address HTTP_PROXY security vulnerability, CVE-2016-5385:
393  https://httpoxy.org/
394* Fixing timeout bug with StreamHandler:
395  https://github.com/guzzle/guzzle/pull/1488
396* Only read up to `Content-Length` in PHP StreamHandler to avoid timeouts when
397  a server does not honor `Connection: close`.
398* Ignore URI fragment when sending requests.
399
400
401## 6.2.0 - 2016-03-21
402
403* Feature: added `GuzzleHttp\json_encode` and `GuzzleHttp\json_decode`.
404  https://github.com/guzzle/guzzle/pull/1389
405* Bug fix: Fix sleep calculation when waiting for delayed requests.
406  https://github.com/guzzle/guzzle/pull/1324
407* Feature: More flexible history containers.
408  https://github.com/guzzle/guzzle/pull/1373
409* Bug fix: defer sink stream opening in StreamHandler.
410  https://github.com/guzzle/guzzle/pull/1377
411* Bug fix: do not attempt to escape cookie values.
412  https://github.com/guzzle/guzzle/pull/1406
413* Feature: report original content encoding and length on decoded responses.
414  https://github.com/guzzle/guzzle/pull/1409
415* Bug fix: rewind seekable request bodies before dispatching to cURL.
416  https://github.com/guzzle/guzzle/pull/1422
417* Bug fix: provide an empty string to `http_build_query` for HHVM workaround.
418  https://github.com/guzzle/guzzle/pull/1367
419
420
421## 6.1.1 - 2015-11-22
422
423* Bug fix: Proxy::wrapSync() now correctly proxies to the appropriate handler
424  https://github.com/guzzle/guzzle/commit/911bcbc8b434adce64e223a6d1d14e9a8f63e4e4
425* Feature: HandlerStack is now more generic.
426  https://github.com/guzzle/guzzle/commit/f2102941331cda544745eedd97fc8fd46e1ee33e
427* Bug fix: setting verify to false in the StreamHandler now disables peer
428  verification. https://github.com/guzzle/guzzle/issues/1256
429* Feature: Middleware now uses an exception factory, including more error
430  context. https://github.com/guzzle/guzzle/pull/1282
431* Feature: better support for disabled functions.
432  https://github.com/guzzle/guzzle/pull/1287
433* Bug fix: fixed regression where MockHandler was not using `sink`.
434  https://github.com/guzzle/guzzle/pull/1292
435
436
437## 6.1.0 - 2015-09-08
438
439* Feature: Added the `on_stats` request option to provide access to transfer
440  statistics for requests. https://github.com/guzzle/guzzle/pull/1202
441* Feature: Added the ability to persist session cookies in CookieJars.
442  https://github.com/guzzle/guzzle/pull/1195
443* Feature: Some compatibility updates for Google APP Engine
444  https://github.com/guzzle/guzzle/pull/1216
445* Feature: Added support for NO_PROXY to prevent the use of a proxy based on
446  a simple set of rules. https://github.com/guzzle/guzzle/pull/1197
447* Feature: Cookies can now contain square brackets.
448  https://github.com/guzzle/guzzle/pull/1237
449* Bug fix: Now correctly parsing `=` inside of quotes in Cookies.
450  https://github.com/guzzle/guzzle/pull/1232
451* Bug fix: Cusotm cURL options now correctly override curl options of the
452  same name. https://github.com/guzzle/guzzle/pull/1221
453* Bug fix: Content-Type header is now added when using an explicitly provided
454  multipart body. https://github.com/guzzle/guzzle/pull/1218
455* Bug fix: Now ignoring Set-Cookie headers that have no name.
456* Bug fix: Reason phrase is no longer cast to an int in some cases in the
457  cURL handler. https://github.com/guzzle/guzzle/pull/1187
458* Bug fix: Remove the Authorization header when redirecting if the Host
459  header changes. https://github.com/guzzle/guzzle/pull/1207
460* Bug fix: Cookie path matching fixes
461  https://github.com/guzzle/guzzle/issues/1129
462* Bug fix: Fixing the cURL `body_as_string` setting
463  https://github.com/guzzle/guzzle/pull/1201
464* Bug fix: quotes are no longer stripped when parsing cookies.
465  https://github.com/guzzle/guzzle/issues/1172
466* Bug fix: `form_params` and `query` now always uses the `&` separator.
467  https://github.com/guzzle/guzzle/pull/1163
468* Bug fix: Adding a Content-Length to PHP stream wrapper requests if not set.
469  https://github.com/guzzle/guzzle/pull/1189
470
471
472## 6.0.2 - 2015-07-04
473
474* Fixed a memory leak in the curl handlers in which references to callbacks
475  were not being removed by `curl_reset`.
476* Cookies are now extracted properly before redirects.
477* Cookies now allow more character ranges.
478* Decoded Content-Encoding responses are now modified to correctly reflect
479  their state if the encoding was automatically removed by a handler. This
480  means that the `Content-Encoding` header may be removed an the
481  `Content-Length` modified to reflect the message size after removing the
482  encoding.
483* Added a more explicit error message when trying to use `form_params` and
484  `multipart` in the same request.
485* Several fixes for HHVM support.
486* Functions are now conditionally required using an additional level of
487  indirection to help with global Composer installations.
488
489
490## 6.0.1 - 2015-05-27
491
492* Fixed a bug with serializing the `query` request option where the `&`
493  separator was missing.
494* Added a better error message for when `body` is provided as an array. Please
495  use `form_params` or `multipart` instead.
496* Various doc fixes.
497
498
499## 6.0.0 - 2015-05-26
500
501* See the UPGRADING.md document for more information.
502* Added `multipart` and `form_params` request options.
503* Added `synchronous` request option.
504* Added the `on_headers` request option.
505* Fixed `expect` handling.
506* No longer adding default middlewares in the client ctor. These need to be
507  present on the provided handler in order to work.
508* Requests are no longer initiated when sending async requests with the
509  CurlMultiHandler. This prevents unexpected recursion from requests completing
510  while ticking the cURL loop.
511* Removed the semantics of setting `default` to `true`. This is no longer
512  required now that the cURL loop is not ticked for async requests.
513* Added request and response logging middleware.
514* No longer allowing self signed certificates when using the StreamHandler.
515* Ensuring that `sink` is valid if saving to a file.
516* Request exceptions now include a "handler context" which provides handler
517  specific contextual information.
518* Added `GuzzleHttp\RequestOptions` to allow request options to be applied
519  using constants.
520* `$maxHandles` has been removed from CurlMultiHandler.
521* `MultipartPostBody` is now part of the `guzzlehttp/psr7` package.
522
523
524## 5.3.0 - 2015-05-19
525
526* Mock now supports `save_to`
527* Marked `AbstractRequestEvent::getTransaction()` as public.
528* Fixed a bug in which multiple headers using different casing would overwrite
529  previous headers in the associative array.
530* Added `Utils::getDefaultHandler()`
531* Marked `GuzzleHttp\Client::getDefaultUserAgent` as deprecated.
532* URL scheme is now always lowercased.
533
534
535## 6.0.0-beta.1
536
537* Requires PHP >= 5.5
538* Updated to use PSR-7
539  * Requires immutable messages, which basically means an event based system
540    owned by a request instance is no longer possible.
541  * Utilizing the [Guzzle PSR-7 package](https://github.com/guzzle/psr7).
542  * Removed the dependency on `guzzlehttp/streams`. These stream abstractions
543    are available in the `guzzlehttp/psr7` package under the `GuzzleHttp\Psr7`
544    namespace.
545* Added middleware and handler system
546  * Replaced the Guzzle event and subscriber system with a middleware system.
547  * No longer depends on RingPHP, but rather places the HTTP handlers directly
548    in Guzzle, operating on PSR-7 messages.
549  * Retry logic is now encapsulated in `GuzzleHttp\Middleware::retry`, which
550    means the `guzzlehttp/retry-subscriber` is now obsolete.
551  * Mocking responses is now handled using `GuzzleHttp\Handler\MockHandler`.
552* Asynchronous responses
553  * No longer supports the `future` request option to send an async request.
554    Instead, use one of the `*Async` methods of a client (e.g., `requestAsync`,
555    `getAsync`, etc.).
556  * Utilizing `GuzzleHttp\Promise` instead of React's promise library to avoid
557    recursion required by chaining and forwarding react promises. See
558    https://github.com/guzzle/promises
559  * Added `requestAsync` and `sendAsync` to send request asynchronously.
560  * Added magic methods for `getAsync()`, `postAsync()`, etc. to send requests
561    asynchronously.
562* Request options
563  * POST and form updates
564    * Added the `form_fields` and `form_files` request options.
565    * Removed the `GuzzleHttp\Post` namespace.
566    * The `body` request option no longer accepts an array for POST requests.
567  * The `exceptions` request option has been deprecated in favor of the
568    `http_errors` request options.
569  * The `save_to` request option has been deprecated in favor of `sink` request
570    option.
571* Clients no longer accept an array of URI template string and variables for
572  URI variables. You will need to expand URI templates before passing them
573  into a client constructor or request method.
574* Client methods `get()`, `post()`, `put()`, `patch()`, `options()`, etc. are
575  now magic methods that will send synchronous requests.
576* Replaced `Utils.php` with plain functions in `functions.php`.
577* Removed `GuzzleHttp\Collection`.
578* Removed `GuzzleHttp\BatchResults`. Batched pool results are now returned as
579  an array.
580* Removed `GuzzleHttp\Query`. Query string handling is now handled using an
581  associative array passed into the `query` request option. The query string
582  is serialized using PHP's `http_build_query`. If you need more control, you
583  can pass the query string in as a string.
584* `GuzzleHttp\QueryParser` has been replaced with the
585  `GuzzleHttp\Psr7\parse_query`.
586
587
588## 5.2.0 - 2015-01-27
589
590* Added `AppliesHeadersInterface` to make applying headers to a request based
591  on the body more generic and not specific to `PostBodyInterface`.
592* Reduced the number of stack frames needed to send requests.
593* Nested futures are now resolved in the client rather than the RequestFsm
594* Finishing state transitions is now handled in the RequestFsm rather than the
595  RingBridge.
596* Added a guard in the Pool class to not use recursion for request retries.
597
598
599## 5.1.0 - 2014-12-19
600
601* Pool class no longer uses recursion when a request is intercepted.
602* The size of a Pool can now be dynamically adjusted using a callback.
603  See https://github.com/guzzle/guzzle/pull/943.
604* Setting a request option to `null` when creating a request with a client will
605  ensure that the option is not set. This allows you to overwrite default
606  request options on a per-request basis.
607  See https://github.com/guzzle/guzzle/pull/937.
608* Added the ability to limit which protocols are allowed for redirects by
609  specifying a `protocols` array in the `allow_redirects` request option.
610* Nested futures due to retries are now resolved when waiting for synchronous
611  responses. See https://github.com/guzzle/guzzle/pull/947.
612* `"0"` is now an allowed URI path. See
613  https://github.com/guzzle/guzzle/pull/935.
614* `Query` no longer typehints on the `$query` argument in the constructor,
615  allowing for strings and arrays.
616* Exceptions thrown in the `end` event are now correctly wrapped with Guzzle
617  specific exceptions if necessary.
618
619
620## 5.0.3 - 2014-11-03
621
622This change updates query strings so that they are treated as un-encoded values
623by default where the value represents an un-encoded value to send over the
624wire. A Query object then encodes the value before sending over the wire. This
625means that even value query string values (e.g., ":") are url encoded. This
626makes the Query class match PHP's http_build_query function. However, if you
627want to send requests over the wire using valid query string characters that do
628not need to be encoded, then you can provide a string to Url::setQuery() and
629pass true as the second argument to specify that the query string is a raw
630string that should not be parsed or encoded (unless a call to getQuery() is
631subsequently made, forcing the query-string to be converted into a Query
632object).
633
634
635## 5.0.2 - 2014-10-30
636
637* Added a trailing `\r\n` to multipart/form-data payloads. See
638  https://github.com/guzzle/guzzle/pull/871
639* Added a `GuzzleHttp\Pool::send()` convenience method to match the docs.
640* Status codes are now returned as integers. See
641  https://github.com/guzzle/guzzle/issues/881
642* No longer overwriting an existing `application/x-www-form-urlencoded` header
643  when sending POST requests, allowing for customized headers. See
644  https://github.com/guzzle/guzzle/issues/877
645* Improved path URL serialization.
646
647  * No longer double percent-encoding characters in the path or query string if
648    they are already encoded.
649  * Now properly encoding the supplied path to a URL object, instead of only
650    encoding ' ' and '?'.
651  * Note: This has been changed in 5.0.3 to now encode query string values by
652    default unless the `rawString` argument is provided when setting the query
653    string on a URL: Now allowing many more characters to be present in the
654    query string without being percent encoded. See
655    https://datatracker.ietf.org/doc/html/rfc3986#appendix-A
656
657
658## 5.0.1 - 2014-10-16
659
660Bugfix release.
661
662* Fixed an issue where connection errors still returned response object in
663  error and end events event though the response is unusable. This has been
664  corrected so that a response is not returned in the `getResponse` method of
665  these events if the response did not complete. https://github.com/guzzle/guzzle/issues/867
666* Fixed an issue where transfer statistics were not being populated in the
667  RingBridge. https://github.com/guzzle/guzzle/issues/866
668
669
670## 5.0.0 - 2014-10-12
671
672Adding support for non-blocking responses and some minor API cleanup.
673
674### New Features
675
676* Added support for non-blocking responses based on `guzzlehttp/guzzle-ring`.
677* Added a public API for creating a default HTTP adapter.
678* Updated the redirect plugin to be non-blocking so that redirects are sent
679  concurrently. Other plugins like this can now be updated to be non-blocking.
680* Added a "progress" event so that you can get upload and download progress
681  events.
682* Added `GuzzleHttp\Pool` which implements FutureInterface and transfers
683  requests concurrently using a capped pool size as efficiently as possible.
684* Added `hasListeners()` to EmitterInterface.
685* Removed `GuzzleHttp\ClientInterface::sendAll` and marked
686  `GuzzleHttp\Client::sendAll` as deprecated (it's still there, just not the
687  recommended way).
688
689### Breaking changes
690
691The breaking changes in this release are relatively minor. The biggest thing to
692look out for is that request and response objects no longer implement fluent
693interfaces.
694
695* Removed the fluent interfaces (i.e., `return $this`) from requests,
696  responses, `GuzzleHttp\Collection`, `GuzzleHttp\Url`,
697  `GuzzleHttp\Query`, `GuzzleHttp\Post\PostBody`, and
698  `GuzzleHttp\Cookie\SetCookie`. This blog post provides a good outline of
699  why I did this: https://ocramius.github.io/blog/fluent-interfaces-are-evil/.
700  This also makes the Guzzle message interfaces compatible with the current
701  PSR-7 message proposal.
702* Removed "functions.php", so that Guzzle is truly PSR-4 compliant. Except
703  for the HTTP request functions from function.php, these functions are now
704  implemented in `GuzzleHttp\Utils` using camelCase. `GuzzleHttp\json_decode`
705  moved to `GuzzleHttp\Utils::jsonDecode`. `GuzzleHttp\get_path` moved to
706  `GuzzleHttp\Utils::getPath`. `GuzzleHttp\set_path` moved to
707  `GuzzleHttp\Utils::setPath`. `GuzzleHttp\batch` should now be
708  `GuzzleHttp\Pool::batch`, which returns an `objectStorage`. Using functions.php
709  caused problems for many users: they aren't PSR-4 compliant, require an
710  explicit include, and needed an if-guard to ensure that the functions are not
711  declared multiple times.
712* Rewrote adapter layer.
713    * Removing all classes from `GuzzleHttp\Adapter`, these are now
714      implemented as callables that are stored in `GuzzleHttp\Ring\Client`.
715    * Removed the concept of "parallel adapters". Sending requests serially or
716      concurrently is now handled using a single adapter.
717    * Moved `GuzzleHttp\Adapter\Transaction` to `GuzzleHttp\Transaction`. The
718      Transaction object now exposes the request, response, and client as public
719      properties. The getters and setters have been removed.
720* Removed the "headers" event. This event was only useful for changing the
721  body a response once the headers of the response were known. You can implement
722  a similar behavior in a number of ways. One example might be to use a
723  FnStream that has access to the transaction being sent. For example, when the
724  first byte is written, you could check if the response headers match your
725  expectations, and if so, change the actual stream body that is being
726  written to.
727* Removed the `asArray` parameter from
728  `GuzzleHttp\Message\MessageInterface::getHeader`. If you want to get a header
729  value as an array, then use the newly added `getHeaderAsArray()` method of
730  `MessageInterface`. This change makes the Guzzle interfaces compatible with
731  the PSR-7 interfaces.
732* `GuzzleHttp\Message\MessageFactory` no longer allows subclasses to add
733  custom request options using double-dispatch (this was an implementation
734  detail). Instead, you should now provide an associative array to the
735  constructor which is a mapping of the request option name mapping to a
736  function that applies the option value to a request.
737* Removed the concept of "throwImmediately" from exceptions and error events.
738  This control mechanism was used to stop a transfer of concurrent requests
739  from completing. This can now be handled by throwing the exception or by
740  cancelling a pool of requests or each outstanding future request individually.
741* Updated to "GuzzleHttp\Streams" 3.0.
742    * `GuzzleHttp\Stream\StreamInterface::getContents()` no longer accepts a
743      `maxLen` parameter. This update makes the Guzzle streams project
744      compatible with the current PSR-7 proposal.
745    * `GuzzleHttp\Stream\Stream::__construct`,
746      `GuzzleHttp\Stream\Stream::factory`, and
747      `GuzzleHttp\Stream\Utils::create` no longer accept a size in the second
748      argument. They now accept an associative array of options, including the
749      "size" key and "metadata" key which can be used to provide custom metadata.
750
751
752## 4.2.2 - 2014-09-08
753
754* Fixed a memory leak in the CurlAdapter when reusing cURL handles.
755* No longer using `request_fulluri` in stream adapter proxies.
756* Relative redirects are now based on the last response, not the first response.
757
758## 4.2.1 - 2014-08-19
759
760* Ensuring that the StreamAdapter does not always add a Content-Type header
761* Adding automated github releases with a phar and zip
762
763## 4.2.0 - 2014-08-17
764
765* Now merging in default options using a case-insensitive comparison.
766  Closes https://github.com/guzzle/guzzle/issues/767
767* Added the ability to automatically decode `Content-Encoding` response bodies
768  using the `decode_content` request option. This is set to `true` by default
769  to decode the response body if it comes over the wire with a
770  `Content-Encoding`. Set this value to `false` to disable decoding the
771  response content, and pass a string to provide a request `Accept-Encoding`
772  header and turn on automatic response decoding. This feature now allows you
773  to pass an `Accept-Encoding` header in the headers of a request but still
774  disable automatic response decoding.
775  Closes https://github.com/guzzle/guzzle/issues/764
776* Added the ability to throw an exception immediately when transferring
777  requests in parallel. Closes https://github.com/guzzle/guzzle/issues/760
778* Updating guzzlehttp/streams dependency to ~2.1
779* No longer utilizing the now deprecated namespaced methods from the stream
780  package.
781
782## 4.1.8 - 2014-08-14
783
784* Fixed an issue in the CurlFactory that caused setting the `stream=false`
785  request option to throw an exception.
786  See: https://github.com/guzzle/guzzle/issues/769
787* TransactionIterator now calls rewind on the inner iterator.
788  See: https://github.com/guzzle/guzzle/pull/765
789* You can now set the `Content-Type` header to `multipart/form-data`
790  when creating POST requests to force multipart bodies.
791  See https://github.com/guzzle/guzzle/issues/768
792
793## 4.1.7 - 2014-08-07
794
795* Fixed an error in the HistoryPlugin that caused the same request and response
796  to be logged multiple times when an HTTP protocol error occurs.
797* Ensuring that cURL does not add a default Content-Type when no Content-Type
798  has been supplied by the user. This prevents the adapter layer from modifying
799  the request that is sent over the wire after any listeners may have already
800  put the request in a desired state (e.g., signed the request).
801* Throwing an exception when you attempt to send requests that have the
802  "stream" set to true in parallel using the MultiAdapter.
803* Only calling curl_multi_select when there are active cURL handles. This was
804  previously changed and caused performance problems on some systems due to PHP
805  always selecting until the maximum select timeout.
806* Fixed a bug where multipart/form-data POST fields were not correctly
807  aggregated (e.g., values with "&").
808
809## 4.1.6 - 2014-08-03
810
811* Added helper methods to make it easier to represent messages as strings,
812  including getting the start line and getting headers as a string.
813
814## 4.1.5 - 2014-08-02
815
816* Automatically retrying cURL "Connection died, retrying a fresh connect"
817  errors when possible.
818* cURL implementation cleanup
819* Allowing multiple event subscriber listeners to be registered per event by
820  passing an array of arrays of listener configuration.
821
822## 4.1.4 - 2014-07-22
823
824* Fixed a bug that caused multi-part POST requests with more than one field to
825  serialize incorrectly.
826* Paths can now be set to "0"
827* `ResponseInterface::xml` now accepts a `libxml_options` option and added a
828  missing default argument that was required when parsing XML response bodies.
829* A `save_to` stream is now created lazily, which means that files are not
830  created on disk unless a request succeeds.
831
832## 4.1.3 - 2014-07-15
833
834* Various fixes to multipart/form-data POST uploads
835* Wrapping function.php in an if-statement to ensure Guzzle can be used
836  globally and in a Composer install
837* Fixed an issue with generating and merging in events to an event array
838* POST headers are only applied before sending a request to allow you to change
839  the query aggregator used before uploading
840* Added much more robust query string parsing
841* Fixed various parsing and normalization issues with URLs
842* Fixing an issue where multi-valued headers were not being utilized correctly
843  in the StreamAdapter
844
845## 4.1.2 - 2014-06-18
846
847* Added support for sending payloads with GET requests
848
849## 4.1.1 - 2014-06-08
850
851* Fixed an issue related to using custom message factory options in subclasses
852* Fixed an issue with nested form fields in a multi-part POST
853* Fixed an issue with using the `json` request option for POST requests
854* Added `ToArrayInterface` to `GuzzleHttp\Cookie\CookieJar`
855
856## 4.1.0 - 2014-05-27
857
858* Added a `json` request option to easily serialize JSON payloads.
859* Added a `GuzzleHttp\json_decode()` wrapper to safely parse JSON.
860* Added `setPort()` and `getPort()` to `GuzzleHttp\Message\RequestInterface`.
861* Added the ability to provide an emitter to a client in the client constructor.
862* Added the ability to persist a cookie session using $_SESSION.
863* Added a trait that can be used to add event listeners to an iterator.
864* Removed request method constants from RequestInterface.
865* Fixed warning when invalid request start-lines are received.
866* Updated MessageFactory to work with custom request option methods.
867* Updated cacert bundle to latest build.
868
8694.0.2 (2014-04-16)
870------------------
871
872* Proxy requests using the StreamAdapter now properly use request_fulluri (#632)
873* Added the ability to set scalars as POST fields (#628)
874
875## 4.0.1 - 2014-04-04
876
877* The HTTP status code of a response is now set as the exception code of
878  RequestException objects.
879* 303 redirects will now correctly switch from POST to GET requests.
880* The default parallel adapter of a client now correctly uses the MultiAdapter.
881* HasDataTrait now initializes the internal data array as an empty array so
882  that the toArray() method always returns an array.
883
884## 4.0.0 - 2014-03-29
885
886* For information on changes and upgrading, see:
887  https://github.com/guzzle/guzzle/blob/master/UPGRADING.md#3x-to-40
888* Added `GuzzleHttp\batch()` as a convenience function for sending requests in
889  parallel without needing to write asynchronous code.
890* Restructured how events are added to `GuzzleHttp\ClientInterface::sendAll()`.
891  You can now pass a callable or an array of associative arrays where each
892  associative array contains the "fn", "priority", and "once" keys.
893
894## 4.0.0.rc-2 - 2014-03-25
895
896* Removed `getConfig()` and `setConfig()` from clients to avoid confusion
897  around whether things like base_url, message_factory, etc. should be able to
898  be retrieved or modified.
899* Added `getDefaultOption()` and `setDefaultOption()` to ClientInterface
900* functions.php functions were renamed using snake_case to match PHP idioms
901* Added support for `HTTP_PROXY`, `HTTPS_PROXY`, and
902  `GUZZLE_CURL_SELECT_TIMEOUT` environment variables
903* Added the ability to specify custom `sendAll()` event priorities
904* Added the ability to specify custom stream context options to the stream
905  adapter.
906* Added a functions.php function for `get_path()` and `set_path()`
907* CurlAdapter and MultiAdapter now use a callable to generate curl resources
908* MockAdapter now properly reads a body and emits a `headers` event
909* Updated Url class to check if a scheme and host are set before adding ":"
910  and "//". This allows empty Url (e.g., "") to be serialized as "".
911* Parsing invalid XML no longer emits warnings
912* Curl classes now properly throw AdapterExceptions
913* Various performance optimizations
914* Streams are created with the faster `Stream\create()` function
915* Marked deprecation_proxy() as internal
916* Test server is now a collection of static methods on a class
917
918## 4.0.0-rc.1 - 2014-03-15
919
920* See https://github.com/guzzle/guzzle/blob/master/UPGRADING.md#3x-to-40
921
922## 3.8.1 - 2014-01-28
923
924* Bug: Always using GET requests when redirecting from a 303 response
925* Bug: CURLOPT_SSL_VERIFYHOST is now correctly set to false when setting `$certificateAuthority` to false in
926  `Guzzle\Http\ClientInterface::setSslVerification()`
927* Bug: RedirectPlugin now uses strict RFC 3986 compliance when combining a base URL with a relative URL
928* Bug: The body of a request can now be set to `"0"`
929* Sending PHP stream requests no longer forces `HTTP/1.0`
930* Adding more information to ExceptionCollection exceptions so that users have more context, including a stack trace of
931  each sub-exception
932* Updated the `$ref` attribute in service descriptions to merge over any existing parameters of a schema (rather than
933  clobbering everything).
934* Merging URLs will now use the query string object from the relative URL (thus allowing custom query aggregators)
935* Query strings are now parsed in a way that they do no convert empty keys with no value to have a dangling `=`.
936  For example `foo&bar=baz` is now correctly parsed and recognized as `foo&bar=baz` rather than `foo=&bar=baz`.
937* Now properly escaping the regular expression delimiter when matching Cookie domains.
938* Network access is now disabled when loading XML documents
939
940## 3.8.0 - 2013-12-05
941
942* Added the ability to define a POST name for a file
943* JSON response parsing now properly walks additionalProperties
944* cURL error code 18 is now retried automatically in the BackoffPlugin
945* Fixed a cURL error when URLs contain fragments
946* Fixed an issue in the BackoffPlugin retry event where it was trying to access all exceptions as if they were
947  CurlExceptions
948* CURLOPT_PROGRESS function fix for PHP 5.5 (69fcc1e)
949* Added the ability for Guzzle to work with older versions of cURL that do not support `CURLOPT_TIMEOUT_MS`
950* Fixed a bug that was encountered when parsing empty header parameters
951* UriTemplate now has a `setRegex()` method to match the docs
952* The `debug` request parameter now checks if it is truthy rather than if it exists
953* Setting the `debug` request parameter to true shows verbose cURL output instead of using the LogPlugin
954* Added the ability to combine URLs using strict RFC 3986 compliance
955* Command objects can now return the validation errors encountered by the command
956* Various fixes to cache revalidation (#437 and 29797e5)
957* Various fixes to the AsyncPlugin
958* Cleaned up build scripts
959
960## 3.7.4 - 2013-10-02
961
962* Bug fix: 0 is now an allowed value in a description parameter that has a default value (#430)
963* Bug fix: SchemaFormatter now returns an integer when formatting to a Unix timestamp
964  (see https://github.com/aws/aws-sdk-php/issues/147)
965* Bug fix: Cleaned up and fixed URL dot segment removal to properly resolve internal dots
966* Minimum PHP version is now properly specified as 5.3.3 (up from 5.3.2) (#420)
967* Updated the bundled cacert.pem (#419)
968* OauthPlugin now supports adding authentication to headers or query string (#425)
969
970## 3.7.3 - 2013-09-08
971
972* Added the ability to get the exception associated with a request/command when using `MultiTransferException` and
973  `CommandTransferException`.
974* Setting `additionalParameters` of a response to false is now honored when parsing responses with a service description
975* Schemas are only injected into response models when explicitly configured.
976* No longer guessing Content-Type based on the path of a request. Content-Type is now only guessed based on the path of
977  an EntityBody.
978* Bug fix: ChunkedIterator can now properly chunk a \Traversable as well as an \Iterator.
979* Bug fix: FilterIterator now relies on `\Iterator` instead of `\Traversable`.
980* Bug fix: Gracefully handling malformed responses in RequestMediator::writeResponseBody()
981* Bug fix: Replaced call to canCache with canCacheRequest in the CallbackCanCacheStrategy of the CachePlugin
982* Bug fix: Visiting XML attributes first before visiting XML children when serializing requests
983* Bug fix: Properly parsing headers that contain commas contained in quotes
984* Bug fix: mimetype guessing based on a filename is now case-insensitive
985
986## 3.7.2 - 2013-08-02
987
988* Bug fix: Properly URL encoding paths when using the PHP-only version of the UriTemplate expander
989  See https://github.com/guzzle/guzzle/issues/371
990* Bug fix: Cookie domains are now matched correctly according to RFC 6265
991  See https://github.com/guzzle/guzzle/issues/377
992* Bug fix: GET parameters are now used when calculating an OAuth signature
993* Bug fix: Fixed an issue with cache revalidation where the If-None-Match header was being double quoted
994* `Guzzle\Common\AbstractHasDispatcher::dispatch()` now returns the event that was dispatched
995* `Guzzle\Http\QueryString::factory()` now guesses the most appropriate query aggregator to used based on the input.
996  See https://github.com/guzzle/guzzle/issues/379
997* Added a way to add custom domain objects to service description parsing using the `operation.parse_class` event. See
998  https://github.com/guzzle/guzzle/pull/380
999* cURL multi cleanup and optimizations
1000
1001## 3.7.1 - 2013-07-05
1002
1003* Bug fix: Setting default options on a client now works
1004* Bug fix: Setting options on HEAD requests now works. See #352
1005* Bug fix: Moving stream factory before send event to before building the stream. See #353
1006* Bug fix: Cookies no longer match on IP addresses per RFC 6265
1007* Bug fix: Correctly parsing header parameters that are in `<>` and quotes
1008* Added `cert` and `ssl_key` as request options
1009* `Host` header can now diverge from the host part of a URL if the header is set manually
1010* `Guzzle\Service\Command\LocationVisitor\Request\XmlVisitor` was rewritten to change from using SimpleXML to XMLWriter
1011* OAuth parameters are only added via the plugin if they aren't already set
1012* Exceptions are now thrown when a URL cannot be parsed
1013* Returning `false` if `Guzzle\Http\EntityBody::getContentMd5()` fails
1014* Not setting a `Content-MD5` on a command if calculating the Content-MD5 fails via the CommandContentMd5Plugin
1015
1016## 3.7.0 - 2013-06-10
1017
1018* See UPGRADING.md for more information on how to upgrade.
1019* Requests now support the ability to specify an array of $options when creating a request to more easily modify a
1020  request. You can pass a 'request.options' configuration setting to a client to apply default request options to
1021  every request created by a client (e.g. default query string variables, headers, curl options, etc.).
1022* Added a static facade class that allows you to use Guzzle with static methods and mount the class to `\Guzzle`.
1023  See `Guzzle\Http\StaticClient::mount`.
1024* Added `command.request_options` to `Guzzle\Service\Command\AbstractCommand` to pass request options to requests
1025      created by a command (e.g. custom headers, query string variables, timeout settings, etc.).
1026* Stream size in `Guzzle\Stream\PhpStreamRequestFactory` will now be set if Content-Length is returned in the
1027  headers of a response
1028* Added `Guzzle\Common\Collection::setPath($path, $value)` to set a value into an array using a nested key
1029  (e.g. `$collection->setPath('foo/baz/bar', 'test'); echo $collection['foo']['bar']['bar'];`)
1030* ServiceBuilders now support storing and retrieving arbitrary data
1031* CachePlugin can now purge all resources for a given URI
1032* CachePlugin can automatically purge matching cached items when a non-idempotent request is sent to a resource
1033* CachePlugin now uses the Vary header to determine if a resource is a cache hit
1034* `Guzzle\Http\Message\Response` now implements `\Serializable`
1035* Added `Guzzle\Cache\CacheAdapterFactory::fromCache()` to more easily create cache adapters
1036* `Guzzle\Service\ClientInterface::execute()` now accepts an array, single command, or Traversable
1037* Fixed a bug in `Guzzle\Http\Message\Header\Link::addLink()`
1038* Better handling of calculating the size of a stream in `Guzzle\Stream\Stream` using fstat() and caching the size
1039* `Guzzle\Common\Exception\ExceptionCollection` now creates a more readable exception message
1040* Fixing BC break: Added back the MonologLogAdapter implementation rather than extending from PsrLog so that older
1041  Symfony users can still use the old version of Monolog.
1042* Fixing BC break: Added the implementation back in for `Guzzle\Http\Message\AbstractMessage::getTokenizedHeader()`.
1043  Now triggering an E_USER_DEPRECATED warning when used. Use `$message->getHeader()->parseParams()`.
1044* Several performance improvements to `Guzzle\Common\Collection`
1045* Added an `$options` argument to the end of the following methods of `Guzzle\Http\ClientInterface`:
1046  createRequest, head, delete, put, patch, post, options, prepareRequest
1047* Added an `$options` argument to the end of `Guzzle\Http\Message\Request\RequestFactoryInterface::createRequest()`
1048* Added an `applyOptions()` method to `Guzzle\Http\Message\Request\RequestFactoryInterface`
1049* Changed `Guzzle\Http\ClientInterface::get($uri = null, $headers = null, $body = null)` to
1050  `Guzzle\Http\ClientInterface::get($uri = null, $headers = null, $options = array())`. You can still pass in a
1051  resource, string, or EntityBody into the $options parameter to specify the download location of the response.
1052* Changed `Guzzle\Common\Collection::__construct($data)` to no longer accepts a null value for `$data` but a
1053  default `array()`
1054* Added `Guzzle\Stream\StreamInterface::isRepeatable`
1055* Removed `Guzzle\Http\ClientInterface::setDefaultHeaders(). Use
1056  $client->getConfig()->setPath('request.options/headers/{header_name}', 'value')`. or
1057  $client->getConfig()->setPath('request.options/headers', array('header_name' => 'value'))`.
1058* Removed `Guzzle\Http\ClientInterface::getDefaultHeaders(). Use $client->getConfig()->getPath('request.options/headers')`.
1059* Removed `Guzzle\Http\ClientInterface::expandTemplate()`
1060* Removed `Guzzle\Http\ClientInterface::setRequestFactory()`
1061* Removed `Guzzle\Http\ClientInterface::getCurlMulti()`
1062* Removed `Guzzle\Http\Message\RequestInterface::canCache`
1063* Removed `Guzzle\Http\Message\RequestInterface::setIsRedirect`
1064* Removed `Guzzle\Http\Message\RequestInterface::isRedirect`
1065* Made `Guzzle\Http\Client::expandTemplate` and `getUriTemplate` protected methods.
1066* You can now enable E_USER_DEPRECATED warnings to see if you are using a deprecated method by setting
1067  `Guzzle\Common\Version::$emitWarnings` to true.
1068* Marked `Guzzle\Http\Message\Request::isResponseBodyRepeatable()` as deprecated. Use
1069      `$request->getResponseBody()->isRepeatable()` instead.
1070* Marked `Guzzle\Http\Message\Request::canCache()` as deprecated. Use
1071  `Guzzle\Plugin\Cache\DefaultCanCacheStrategy->canCacheRequest()` instead.
1072* Marked `Guzzle\Http\Message\Request::canCache()` as deprecated. Use
1073  `Guzzle\Plugin\Cache\DefaultCanCacheStrategy->canCacheRequest()` instead.
1074* Marked `Guzzle\Http\Message\Request::setIsRedirect()` as deprecated. Use the HistoryPlugin instead.
1075* Marked `Guzzle\Http\Message\Request::isRedirect()` as deprecated. Use the HistoryPlugin instead.
1076* Marked `Guzzle\Cache\CacheAdapterFactory::factory()` as deprecated
1077* Marked 'command.headers', 'command.response_body' and 'command.on_complete' as deprecated for AbstractCommand.
1078  These will work through Guzzle 4.0
1079* Marked 'request.params' for `Guzzle\Http\Client` as deprecated. Use [request.options][params].
1080* Marked `Guzzle\Service\Client::enableMagicMethods()` as deprecated. Magic methods can no longer be disabled on a Guzzle\Service\Client.
1081* Marked `Guzzle\Service\Client::getDefaultHeaders()` as deprecated. Use $client->getConfig()->getPath('request.options/headers')`.
1082* Marked `Guzzle\Service\Client::setDefaultHeaders()` as deprecated. Use $client->getConfig()->setPath('request.options/headers/{header_name}', 'value')`.
1083* Marked `Guzzle\Parser\Url\UrlParser` as deprecated. Just use PHP's `parse_url()` and percent encode your UTF-8.
1084* Marked `Guzzle\Common\Collection::inject()` as deprecated.
1085* Marked `Guzzle\Plugin\CurlAuth\CurlAuthPlugin` as deprecated. Use `$client->getConfig()->setPath('request.options/auth', array('user', 'pass', 'Basic|Digest');`
1086* CacheKeyProviderInterface and DefaultCacheKeyProvider are no longer used. All of this logic is handled in a
1087  CacheStorageInterface. These two objects and interface will be removed in a future version.
1088* Always setting X-cache headers on cached responses
1089* Default cache TTLs are now handled by the CacheStorageInterface of a CachePlugin
1090* `CacheStorageInterface::cache($key, Response $response, $ttl = null)` has changed to `cache(RequestInterface
1091  $request, Response $response);`
1092* `CacheStorageInterface::fetch($key)` has changed to `fetch(RequestInterface $request);`
1093* `CacheStorageInterface::delete($key)` has changed to `delete(RequestInterface $request);`
1094* Added `CacheStorageInterface::purge($url)`
1095* `DefaultRevalidation::__construct(CacheKeyProviderInterface $cacheKey, CacheStorageInterface $cache, CachePlugin
1096  $plugin)` has changed to `DefaultRevalidation::__construct(CacheStorageInterface $cache,
1097  CanCacheStrategyInterface $canCache = null)`
1098* Added `RevalidationInterface::shouldRevalidate(RequestInterface $request, Response $response)`
1099
1100## 3.6.0 - 2013-05-29
1101
1102* ServiceDescription now implements ToArrayInterface
1103* Added command.hidden_params to blacklist certain headers from being treated as additionalParameters
1104* Guzzle can now correctly parse incomplete URLs
1105* Mixed casing of headers are now forced to be a single consistent casing across all values for that header.
1106* Messages internally use a HeaderCollection object to delegate handling case-insensitive header resolution
1107* Removed the whole changedHeader() function system of messages because all header changes now go through addHeader().
1108* Specific header implementations can be created for complex headers. When a message creates a header, it uses a
1109  HeaderFactory which can map specific headers to specific header classes. There is now a Link header and
1110  CacheControl header implementation.
1111* Removed from interface: Guzzle\Http\ClientInterface::setUriTemplate
1112* Removed from interface: Guzzle\Http\ClientInterface::setCurlMulti()
1113* Removed Guzzle\Http\Message\Request::receivedRequestHeader() and implemented this functionality in
1114  Guzzle\Http\Curl\RequestMediator
1115* Removed the optional $asString parameter from MessageInterface::getHeader(). Just cast the header to a string.
1116* Removed the optional $tryChunkedTransfer option from Guzzle\Http\Message\EntityEnclosingRequestInterface
1117* Removed the $asObjects argument from Guzzle\Http\Message\MessageInterface::getHeaders()
1118* Removed Guzzle\Parser\ParserRegister::get(). Use getParser()
1119* Removed Guzzle\Parser\ParserRegister::set(). Use registerParser().
1120* All response header helper functions return a string rather than mixing Header objects and strings inconsistently
1121* Removed cURL blacklist support. This is no longer necessary now that Expect, Accept, etc. are managed by Guzzle
1122  directly via interfaces
1123* Removed the injecting of a request object onto a response object. The methods to get and set a request still exist
1124  but are a no-op until removed.
1125* Most classes that used to require a `Guzzle\Service\Command\CommandInterface` typehint now request a
1126  `Guzzle\Service\Command\ArrayCommandInterface`.
1127* Added `Guzzle\Http\Message\RequestInterface::startResponse()` to the RequestInterface to handle injecting a response
1128  on a request while the request is still being transferred
1129* The ability to case-insensitively search for header values
1130* Guzzle\Http\Message\Header::hasExactHeader
1131* Guzzle\Http\Message\Header::raw. Use getAll()
1132* Deprecated cache control specific methods on Guzzle\Http\Message\AbstractMessage. Use the CacheControl header object
1133  instead.
1134* `Guzzle\Service\Command\CommandInterface` now extends from ToArrayInterface and ArrayAccess
1135* Added the ability to cast Model objects to a string to view debug information.
1136
1137## 3.5.0 - 2013-05-13
1138
1139* Bug: Fixed a regression so that request responses are parsed only once per oncomplete event rather than multiple times
1140* Bug: Better cleanup of one-time events across the board (when an event is meant to fire once, it will now remove
1141  itself from the EventDispatcher)
1142* Bug: `Guzzle\Log\MessageFormatter` now properly writes "total_time" and "connect_time" values
1143* Bug: Cloning an EntityEnclosingRequest now clones the EntityBody too
1144* Bug: Fixed an undefined index error when parsing nested JSON responses with a sentAs parameter that reference a
1145  non-existent key
1146* Bug: All __call() method arguments are now required (helps with mocking frameworks)
1147* Deprecating Response::getRequest() and now using a shallow clone of a request object to remove a circular reference
1148  to help with refcount based garbage collection of resources created by sending a request
1149* Deprecating ZF1 cache and log adapters. These will be removed in the next major version.
1150* Deprecating `Response::getPreviousResponse()` (method signature still exists, but it's deprecated). Use the
1151  HistoryPlugin for a history.
1152* Added a `responseBody` alias for the `response_body` location
1153* Refactored internals to no longer rely on Response::getRequest()
1154* HistoryPlugin can now be cast to a string
1155* HistoryPlugin now logs transactions rather than requests and responses to more accurately keep track of the requests
1156  and responses that are sent over the wire
1157* Added `getEffectiveUrl()` and `getRedirectCount()` to Response objects
1158
1159## 3.4.3 - 2013-04-30
1160
1161* Bug fix: Fixing bug introduced in 3.4.2 where redirect responses are duplicated on the final redirected response
1162* Added a check to re-extract the temp cacert bundle from the phar before sending each request
1163
1164## 3.4.2 - 2013-04-29
1165
1166* Bug fix: Stream objects now work correctly with "a" and "a+" modes
1167* Bug fix: Removing `Transfer-Encoding: chunked` header when a Content-Length is present
1168* Bug fix: AsyncPlugin no longer forces HEAD requests
1169* Bug fix: DateTime timezones are now properly handled when using the service description schema formatter
1170* Bug fix: CachePlugin now properly handles stale-if-error directives when a request to the origin server fails
1171* Setting a response on a request will write to the custom request body from the response body if one is specified
1172* LogPlugin now writes to php://output when STDERR is undefined
1173* Added the ability to set multiple POST files for the same key in a single call
1174* application/x-www-form-urlencoded POSTs now use the utf-8 charset by default
1175* Added the ability to queue CurlExceptions to the MockPlugin
1176* Cleaned up how manual responses are queued on requests (removed "queued_response" and now using request.before_send)
1177* Configuration loading now allows remote files
1178
1179## 3.4.1 - 2013-04-16
1180
1181* Large refactoring to how CurlMulti handles work. There is now a proxy that sits in front of a pool of CurlMulti
1182  handles. This greatly simplifies the implementation, fixes a couple bugs, and provides a small performance boost.
1183* Exceptions are now properly grouped when sending requests in parallel
1184* Redirects are now properly aggregated when a multi transaction fails
1185* Redirects now set the response on the original object even in the event of a failure
1186* Bug fix: Model names are now properly set even when using $refs
1187* Added support for PHP 5.5's CurlFile to prevent warnings with the deprecated @ syntax
1188* Added support for oauth_callback in OAuth signatures
1189* Added support for oauth_verifier in OAuth signatures
1190* Added support to attempt to retrieve a command first literally, then ucfirst, the with inflection
1191
1192## 3.4.0 - 2013-04-11
1193
1194* Bug fix: URLs are now resolved correctly based on https://datatracker.ietf.org/doc/html/rfc3986#section-5.2. #289
1195* Bug fix: Absolute URLs with a path in a service description will now properly override the base URL. #289
1196* Bug fix: Parsing a query string with a single PHP array value will now result in an array. #263
1197* Bug fix: Better normalization of the User-Agent header to prevent duplicate headers. #264.
1198* Bug fix: Added `number` type to service descriptions.
1199* Bug fix: empty parameters are removed from an OAuth signature
1200* Bug fix: Revalidating a cache entry prefers the Last-Modified over the Date header
1201* Bug fix: Fixed "array to string" error when validating a union of types in a service description
1202* Bug fix: Removed code that attempted to determine the size of a stream when data is written to the stream
1203* Bug fix: Not including an `oauth_token` if the value is null in the OauthPlugin.
1204* Bug fix: Now correctly aggregating successful requests and failed requests in CurlMulti when a redirect occurs.
1205* The new default CURLOPT_TIMEOUT setting has been increased to 150 seconds so that Guzzle works on poor connections.
1206* Added a feature to EntityEnclosingRequest::setBody() that will automatically set the Content-Type of the request if
1207  the Content-Type can be determined based on the entity body or the path of the request.
1208* Added the ability to overwrite configuration settings in a client when grabbing a throwaway client from a builder.
1209* Added support for a PSR-3 LogAdapter.
1210* Added a `command.after_prepare` event
1211* Added `oauth_callback` parameter to the OauthPlugin
1212* Added the ability to create a custom stream class when using a stream factory
1213* Added a CachingEntityBody decorator
1214* Added support for `additionalParameters` in service descriptions to define how custom parameters are serialized.
1215* The bundled SSL certificate is now provided in the phar file and extracted when running Guzzle from a phar.
1216* You can now send any EntityEnclosingRequest with POST fields or POST files and cURL will handle creating bodies
1217* POST requests using a custom entity body are now treated exactly like PUT requests but with a custom cURL method. This
1218  means that the redirect behavior of POST requests with custom bodies will not be the same as POST requests that use
1219  POST fields or files (the latter is only used when emulating a form POST in the browser).
1220* Lots of cleanup to CurlHandle::factory and RequestFactory::createRequest
1221
1222## 3.3.1 - 2013-03-10
1223
1224* Added the ability to create PHP streaming responses from HTTP requests
1225* Bug fix: Running any filters when parsing response headers with service descriptions
1226* Bug fix: OauthPlugin fixes to allow for multi-dimensional array signing, and sorting parameters before signing
1227* Bug fix: Removed the adding of default empty arrays and false Booleans to responses in order to be consistent across
1228  response location visitors.
1229* Bug fix: Removed the possibility of creating configuration files with circular dependencies
1230* RequestFactory::create() now uses the key of a POST file when setting the POST file name
1231* Added xmlAllowEmpty to serialize an XML body even if no XML specific parameters are set
1232
1233## 3.3.0 - 2013-03-03
1234
1235* A large number of performance optimizations have been made
1236* Bug fix: Added 'wb' as a valid write mode for streams
1237* Bug fix: `Guzzle\Http\Message\Response::json()` now allows scalar values to be returned
1238* Bug fix: Fixed bug in `Guzzle\Http\Message\Response` where wrapping quotes were stripped from `getEtag()`
1239* BC: Removed `Guzzle\Http\Utils` class
1240* BC: Setting a service description on a client will no longer modify the client's command factories.
1241* BC: Emitting IO events from a RequestMediator is now a parameter that must be set in a request's curl options using
1242  the 'emit_io' key. This was previously set under a request's parameters using 'curl.emit_io'
1243* BC: `Guzzle\Stream\Stream::getWrapper()` and `Guzzle\Stream\Stream::getSteamType()` are no longer converted to
1244  lowercase
1245* Operation parameter objects are now lazy loaded internally
1246* Added ErrorResponsePlugin that can throw errors for responses defined in service description operations' errorResponses
1247* Added support for instantiating responseType=class responseClass classes. Classes must implement
1248  `Guzzle\Service\Command\ResponseClassInterface`
1249* Added support for additionalProperties for top-level parameters in responseType=model responseClasses. These
1250  additional properties also support locations and can be used to parse JSON responses where the outermost part of the
1251  JSON is an array
1252* Added support for nested renaming of JSON models (rename sentAs to name)
1253* CachePlugin
1254    * Added support for stale-if-error so that the CachePlugin can now serve stale content from the cache on error
1255    * Debug headers can now added to cached response in the CachePlugin
1256
1257## 3.2.0 - 2013-02-14
1258
1259* CurlMulti is no longer reused globally. A new multi object is created per-client. This helps to isolate clients.
1260* URLs with no path no longer contain a "/" by default
1261* Guzzle\Http\QueryString does no longer manages the leading "?". This is now handled in Guzzle\Http\Url.
1262* BadResponseException no longer includes the full request and response message
1263* Adding setData() to Guzzle\Service\Description\ServiceDescriptionInterface
1264* Adding getResponseBody() to Guzzle\Http\Message\RequestInterface
1265* Various updates to classes to use ServiceDescriptionInterface type hints rather than ServiceDescription
1266* Header values can now be normalized into distinct values when multiple headers are combined with a comma separated list
1267* xmlEncoding can now be customized for the XML declaration of a XML service description operation
1268* Guzzle\Http\QueryString now uses Guzzle\Http\QueryAggregator\QueryAggregatorInterface objects to add custom value
1269  aggregation and no longer uses callbacks
1270* The URL encoding implementation of Guzzle\Http\QueryString can now be customized
1271* Bug fix: Filters were not always invoked for array service description parameters
1272* Bug fix: Redirects now use a target response body rather than a temporary response body
1273* Bug fix: The default exponential backoff BackoffPlugin was not giving when the request threshold was exceeded
1274* Bug fix: Guzzle now takes the first found value when grabbing Cache-Control directives
1275
1276## 3.1.2 - 2013-01-27
1277
1278* Refactored how operation responses are parsed. Visitors now include a before() method responsible for parsing the
1279  response body. For example, the XmlVisitor now parses the XML response into an array in the before() method.
1280* Fixed an issue where cURL would not automatically decompress responses when the Accept-Encoding header was sent
1281* CURLOPT_SSL_VERIFYHOST is never set to 1 because it is deprecated (see 5e0ff2ef20f839e19d1eeb298f90ba3598784444)
1282* Fixed a bug where redirect responses were not chained correctly using getPreviousResponse()
1283* Setting default headers on a client after setting the user-agent will not erase the user-agent setting
1284
1285## 3.1.1 - 2013-01-20
1286
1287* Adding wildcard support to Guzzle\Common\Collection::getPath()
1288* Adding alias support to ServiceBuilder configs
1289* Adding Guzzle\Service\Resource\CompositeResourceIteratorFactory and cleaning up factory interface
1290
1291## 3.1.0 - 2013-01-12
1292
1293* BC: CurlException now extends from RequestException rather than BadResponseException
1294* BC: Renamed Guzzle\Plugin\Cache\CanCacheStrategyInterface::canCache() to canCacheRequest() and added CanCacheResponse()
1295* Added getData to ServiceDescriptionInterface
1296* Added context array to RequestInterface::setState()
1297* Bug: Removing hard dependency on the BackoffPlugin from Guzzle\Http
1298* Bug: Adding required content-type when JSON request visitor adds JSON to a command
1299* Bug: Fixing the serialization of a service description with custom data
1300* Made it easier to deal with exceptions thrown when transferring commands or requests in parallel by providing
1301  an array of successful and failed responses
1302* Moved getPath from Guzzle\Service\Resource\Model to Guzzle\Common\Collection
1303* Added Guzzle\Http\IoEmittingEntityBody
1304* Moved command filtration from validators to location visitors
1305* Added `extends` attributes to service description parameters
1306* Added getModels to ServiceDescriptionInterface
1307
1308## 3.0.7 - 2012-12-19
1309
1310* Fixing phar detection when forcing a cacert to system if null or true
1311* Allowing filename to be passed to `Guzzle\Http\Message\Request::setResponseBody()`
1312* Cleaning up `Guzzle\Common\Collection::inject` method
1313* Adding a response_body location to service descriptions
1314
1315## 3.0.6 - 2012-12-09
1316
1317* CurlMulti performance improvements
1318* Adding setErrorResponses() to Operation
1319* composer.json tweaks
1320
1321## 3.0.5 - 2012-11-18
1322
1323* Bug: Fixing an infinite recursion bug caused from revalidating with the CachePlugin
1324* Bug: Response body can now be a string containing "0"
1325* Bug: Using Guzzle inside of a phar uses system by default but now allows for a custom cacert
1326* Bug: QueryString::fromString now properly parses query string parameters that contain equal signs
1327* Added support for XML attributes in service description responses
1328* DefaultRequestSerializer now supports array URI parameter values for URI template expansion
1329* Added better mimetype guessing to requests and post files
1330
1331## 3.0.4 - 2012-11-11
1332
1333* Bug: Fixed a bug when adding multiple cookies to a request to use the correct glue value
1334* Bug: Cookies can now be added that have a name, domain, or value set to "0"
1335* Bug: Using the system cacert bundle when using the Phar
1336* Added json and xml methods to Response to make it easier to parse JSON and XML response data into data structures
1337* Enhanced cookie jar de-duplication
1338* Added the ability to enable strict cookie jars that throw exceptions when invalid cookies are added
1339* Added setStream to StreamInterface to actually make it possible to implement custom rewind behavior for entity bodies
1340* Added the ability to create any sort of hash for a stream rather than just an MD5 hash
1341
1342## 3.0.3 - 2012-11-04
1343
1344* Implementing redirects in PHP rather than cURL
1345* Added PECL URI template extension and using as default parser if available
1346* Bug: Fixed Content-Length parsing of Response factory
1347* Adding rewind() method to entity bodies and streams. Allows for custom rewinding of non-repeatable streams.
1348* Adding ToArrayInterface throughout library
1349* Fixing OauthPlugin to create unique nonce values per request
1350
1351## 3.0.2 - 2012-10-25
1352
1353* Magic methods are enabled by default on clients
1354* Magic methods return the result of a command
1355* Service clients no longer require a base_url option in the factory
1356* Bug: Fixed an issue with URI templates where null template variables were being expanded
1357
1358## 3.0.1 - 2012-10-22
1359
1360* Models can now be used like regular collection objects by calling filter, map, etc.
1361* Models no longer require a Parameter structure or initial data in the constructor
1362* Added a custom AppendIterator to get around a PHP bug with the `\AppendIterator`
1363
1364## 3.0.0 - 2012-10-15
1365
1366* Rewrote service description format to be based on Swagger
1367    * Now based on JSON schema
1368    * Added nested input structures and nested response models
1369    * Support for JSON and XML input and output models
1370    * Renamed `commands` to `operations`
1371    * Removed dot class notation
1372    * Removed custom types
1373* Broke the project into smaller top-level namespaces to be more component friendly
1374* Removed support for XML configs and descriptions. Use arrays or JSON files.
1375* Removed the Validation component and Inspector
1376* Moved all cookie code to Guzzle\Plugin\Cookie
1377* Magic methods on a Guzzle\Service\Client now return the command un-executed.
1378* Calling getResult() or getResponse() on a command will lazily execute the command if needed.
1379* Now shipping with cURL's CA certs and using it by default
1380* Added previousResponse() method to response objects
1381* No longer sending Accept and Accept-Encoding headers on every request
1382* Only sending an Expect header by default when a payload is greater than 1MB
1383* Added/moved client options:
1384    * curl.blacklist to curl.option.blacklist
1385    * Added ssl.certificate_authority
1386* Added a Guzzle\Iterator component
1387* Moved plugins from Guzzle\Http\Plugin to Guzzle\Plugin
1388* Added a more robust backoff retry strategy (replaced the ExponentialBackoffPlugin)
1389* Added a more robust caching plugin
1390* Added setBody to response objects
1391* Updating LogPlugin to use a more flexible MessageFormatter
1392* Added a completely revamped build process
1393* Cleaning up Collection class and removing default values from the get method
1394* Fixed ZF2 cache adapters
1395
1396## 2.8.8 - 2012-10-15
1397
1398* Bug: Fixed a cookie issue that caused dot prefixed domains to not match where popular browsers did
1399
1400## 2.8.7 - 2012-09-30
1401
1402* Bug: Fixed config file aliases for JSON includes
1403* Bug: Fixed cookie bug on a request object by using CookieParser to parse cookies on requests
1404* Bug: Removing the path to a file when sending a Content-Disposition header on a POST upload
1405* Bug: Hardening request and response parsing to account for missing parts
1406* Bug: Fixed PEAR packaging
1407* Bug: Fixed Request::getInfo
1408* Bug: Fixed cases where CURLM_CALL_MULTI_PERFORM return codes were causing curl transactions to fail
1409* Adding the ability for the namespace Iterator factory to look in multiple directories
1410* Added more getters/setters/removers from service descriptions
1411* Added the ability to remove POST fields from OAuth signatures
1412* OAuth plugin now supports 2-legged OAuth
1413
1414## 2.8.6 - 2012-09-05
1415
1416* Added the ability to modify and build service descriptions
1417* Added the use of visitors to apply parameters to locations in service descriptions using the dynamic command
1418* Added a `json` parameter location
1419* Now allowing dot notation for classes in the CacheAdapterFactory
1420* Using the union of two arrays rather than an array_merge when extending service builder services and service params
1421* Ensuring that a service is a string before doing strpos() checks on it when substituting services for references
1422  in service builder config files.
1423* Services defined in two different config files that include one another will by default replace the previously
1424  defined service, but you can now create services that extend themselves and merge their settings over the previous
1425* The JsonLoader now supports aliasing filenames with different filenames. This allows you to alias something like
1426  '_default' with a default JSON configuration file.
1427
1428## 2.8.5 - 2012-08-29
1429
1430* Bug: Suppressed empty arrays from URI templates
1431* Bug: Added the missing $options argument from ServiceDescription::factory to enable caching
1432* Added support for HTTP responses that do not contain a reason phrase in the start-line
1433* AbstractCommand commands are now invokable
1434* Added a way to get the data used when signing an Oauth request before a request is sent
1435
1436## 2.8.4 - 2012-08-15
1437
1438* Bug: Custom delay time calculations are no longer ignored in the ExponentialBackoffPlugin
1439* Added the ability to transfer entity bodies as a string rather than streamed. This gets around curl error 65. Set `body_as_string` in a request's curl options to enable.
1440* Added a StreamInterface, EntityBodyInterface, and added ftell() to Guzzle\Common\Stream
1441* Added an AbstractEntityBodyDecorator and a ReadLimitEntityBody decorator to transfer only a subset of a decorated stream
1442* Stream and EntityBody objects will now return the file position to the previous position after a read required operation (e.g. getContentMd5())
1443* Added additional response status codes
1444* Removed SSL information from the default User-Agent header
1445* DELETE requests can now send an entity body
1446* Added an EventDispatcher to the ExponentialBackoffPlugin and added an ExponentialBackoffLogger to log backoff retries
1447* Added the ability of the MockPlugin to consume mocked request bodies
1448* LogPlugin now exposes request and response objects in the extras array
1449
1450## 2.8.3 - 2012-07-30
1451
1452* Bug: Fixed a case where empty POST requests were sent as GET requests
1453* Bug: Fixed a bug in ExponentialBackoffPlugin that caused fatal errors when retrying an EntityEnclosingRequest that does not have a body
1454* Bug: Setting the response body of a request to null after completing a request, not when setting the state of a request to new
1455* Added multiple inheritance to service description commands
1456* Added an ApiCommandInterface and added `getParamNames()` and `hasParam()`
1457* Removed the default 2mb size cutoff from the Md5ValidatorPlugin so that it now defaults to validating everything
1458* Changed CurlMulti::perform to pass a smaller timeout to CurlMulti::executeHandles
1459
1460## 2.8.2 - 2012-07-24
1461
1462* Bug: Query string values set to 0 are no longer dropped from the query string
1463* Bug: A Collection object is no longer created each time a call is made to `Guzzle\Service\Command\AbstractCommand::getRequestHeaders()`
1464* Bug: `+` is now treated as an encoded space when parsing query strings
1465* QueryString and Collection performance improvements
1466* Allowing dot notation for class paths in filters attribute of a service descriptions
1467
1468## 2.8.1 - 2012-07-16
1469
1470* Loosening Event Dispatcher dependency
1471* POST redirects can now be customized using CURLOPT_POSTREDIR
1472
1473## 2.8.0 - 2012-07-15
1474
1475* BC: Guzzle\Http\Query
1476    * Query strings with empty variables will always show an equal sign unless the variable is set to QueryString::BLANK (e.g. ?acl= vs ?acl)
1477    * Changed isEncodingValues() and isEncodingFields() to isUrlEncoding()
1478    * Changed setEncodeValues(bool) and setEncodeFields(bool) to useUrlEncoding(bool)
1479    * Changed the aggregation functions of QueryString to be static methods
1480    * Can now use fromString() with querystrings that have a leading ?
1481* cURL configuration values can be specified in service descriptions using `curl.` prefixed parameters
1482* Content-Length is set to 0 before emitting the request.before_send event when sending an empty request body
1483* Cookies are no longer URL decoded by default
1484* Bug: URI template variables set to null are no longer expanded
1485
1486## 2.7.2 - 2012-07-02
1487
1488* BC: Moving things to get ready for subtree splits. Moving Inflection into Common. Moving Guzzle\Http\Parser to Guzzle\Parser.
1489* BC: Removing Guzzle\Common\Batch\Batch::count() and replacing it with isEmpty()
1490* CachePlugin now allows for a custom request parameter function to check if a request can be cached
1491* Bug fix: CachePlugin now only caches GET and HEAD requests by default
1492* Bug fix: Using header glue when transferring headers over the wire
1493* Allowing deeply nested arrays for composite variables in URI templates
1494* Batch divisors can now return iterators or arrays
1495
1496## 2.7.1 - 2012-06-26
1497
1498* Minor patch to update version number in UA string
1499* Updating build process
1500
1501## 2.7.0 - 2012-06-25
1502
1503* BC: Inflection classes moved to Guzzle\Inflection. No longer static methods. Can now inject custom inflectors into classes.
1504* BC: Removed magic setX methods from commands
1505* BC: Magic methods mapped to service description commands are now inflected in the command factory rather than the client __call() method
1506* Verbose cURL options are no longer enabled by default. Set curl.debug to true on a client to enable.
1507* Bug: Now allowing colons in a response start-line (e.g. HTTP/1.1 503 Service Unavailable: Back-end server is at capacity)
1508* Guzzle\Service\Resource\ResourceIteratorApplyBatched now internally uses the Guzzle\Common\Batch namespace
1509* Added Guzzle\Service\Plugin namespace and a PluginCollectionPlugin
1510* Added the ability to set POST fields and files in a service description
1511* Guzzle\Http\EntityBody::factory() now accepts objects with a __toString() method
1512* Adding a command.before_prepare event to clients
1513* Added BatchClosureTransfer and BatchClosureDivisor
1514* BatchTransferException now includes references to the batch divisor and transfer strategies
1515* Fixed some tests so that they pass more reliably
1516* Added Guzzle\Common\Log\ArrayLogAdapter
1517
1518## 2.6.6 - 2012-06-10
1519
1520* BC: Removing Guzzle\Http\Plugin\BatchQueuePlugin
1521* BC: Removing Guzzle\Service\Command\CommandSet
1522* Adding generic batching system (replaces the batch queue plugin and command set)
1523* Updating ZF cache and log adapters and now using ZF's composer repository
1524* Bug: Setting the name of each ApiParam when creating through an ApiCommand
1525* Adding result_type, result_doc, deprecated, and doc_url to service descriptions
1526* Bug: Changed the default cookie header casing back to 'Cookie'
1527
1528## 2.6.5 - 2012-06-03
1529
1530* BC: Renaming Guzzle\Http\Message\RequestInterface::getResourceUri() to getResource()
1531* BC: Removing unused AUTH_BASIC and AUTH_DIGEST constants from
1532* BC: Guzzle\Http\Cookie is now used to manage Set-Cookie data, not Cookie data
1533* BC: Renaming methods in the CookieJarInterface
1534* Moving almost all cookie logic out of the CookiePlugin and into the Cookie or CookieJar implementations
1535* Making the default glue for HTTP headers ';' instead of ','
1536* Adding a removeValue to Guzzle\Http\Message\Header
1537* Adding getCookies() to request interface.
1538* Making it easier to add event subscribers to HasDispatcherInterface classes. Can now directly call addSubscriber()
1539
1540## 2.6.4 - 2012-05-30
1541
1542* BC: Cleaning up how POST files are stored in EntityEnclosingRequest objects. Adding PostFile class.
1543* BC: Moving ApiCommand specific functionality from the Inspector and on to the ApiCommand
1544* Bug: Fixing magic method command calls on clients
1545* Bug: Email constraint only validates strings
1546* Bug: Aggregate POST fields when POST files are present in curl handle
1547* Bug: Fixing default User-Agent header
1548* Bug: Only appending or prepending parameters in commands if they are specified
1549* Bug: Not requiring response reason phrases or status codes to match a predefined list of codes
1550* Allowing the use of dot notation for class namespaces when using instance_of constraint
1551* Added any_match validation constraint
1552* Added an AsyncPlugin
1553* Passing request object to the calculateWait method of the ExponentialBackoffPlugin
1554* Allowing the result of a command object to be changed
1555* Parsing location and type sub values when instantiating a service description rather than over and over at runtime
1556
1557## 2.6.3 - 2012-05-23
1558
1559* [BC] Guzzle\Common\FromConfigInterface no longer requires any config options.
1560* [BC] Refactoring how POST files are stored on an EntityEnclosingRequest. They are now separate from POST fields.
1561* You can now use an array of data when creating PUT request bodies in the request factory.
1562* Removing the requirement that HTTPS requests needed a Cache-Control: public directive to be cacheable.
1563* [Http] Adding support for Content-Type in multipart POST uploads per upload
1564* [Http] Added support for uploading multiple files using the same name (foo[0], foo[1])
1565* Adding more POST data operations for easier manipulation of POST data.
1566* You can now set empty POST fields.
1567* The body of a request is only shown on EntityEnclosingRequest objects that do not use POST files.
1568* Split the Guzzle\Service\Inspector::validateConfig method into two methods. One to initialize when a command is created, and one to validate.
1569* CS updates
1570
1571## 2.6.2 - 2012-05-19
1572
1573* [Http] Better handling of nested scope requests in CurlMulti.  Requests are now always prepares in the send() method rather than the addRequest() method.
1574
1575## 2.6.1 - 2012-05-19
1576
1577* [BC] Removing 'path' support in service descriptions.  Use 'uri'.
1578* [BC] Guzzle\Service\Inspector::parseDocBlock is now protected. Adding getApiParamsForClass() with cache.
1579* [BC] Removing Guzzle\Common\NullObject.  Use https://github.com/mtdowling/NullObject if you need it.
1580* [BC] Removing Guzzle\Common\XmlElement.
1581* All commands, both dynamic and concrete, have ApiCommand objects.
1582* Adding a fix for CurlMulti so that if all of the connections encounter some sort of curl error, then the loop exits.
1583* Adding checks to EntityEnclosingRequest so that empty POST files and fields are ignored.
1584* Making the method signature of Guzzle\Service\Builder\ServiceBuilder::factory more flexible.
1585
1586## 2.6.0 - 2012-05-15
1587
1588* [BC] Moving Guzzle\Service\Builder to Guzzle\Service\Builder\ServiceBuilder
1589* [BC] Executing a Command returns the result of the command rather than the command
1590* [BC] Moving all HTTP parsing logic to Guzzle\Http\Parsers. Allows for faster C implementations if needed.
1591* [BC] Changing the Guzzle\Http\Message\Response::setProtocol() method to accept a protocol and version in separate args.
1592* [BC] Moving ResourceIterator* to Guzzle\Service\Resource
1593* [BC] Completely refactored ResourceIterators to iterate over a cloned command object
1594* [BC] Moved Guzzle\Http\UriTemplate to Guzzle\Http\Parser\UriTemplate\UriTemplate
1595* [BC] Guzzle\Guzzle is now deprecated
1596* Moving Guzzle\Common\Guzzle::inject to Guzzle\Common\Collection::inject
1597* Adding Guzzle\Version class to give version information about Guzzle
1598* Adding Guzzle\Http\Utils class to provide getDefaultUserAgent() and getHttpDate()
1599* Adding Guzzle\Curl\CurlVersion to manage caching curl_version() data
1600* ServiceDescription and ServiceBuilder are now cacheable using similar configs
1601* Changing the format of XML and JSON service builder configs.  Backwards compatible.
1602* Cleaned up Cookie parsing
1603* Trimming the default Guzzle User-Agent header
1604* Adding a setOnComplete() method to Commands that is called when a command completes
1605* Keeping track of requests that were mocked in the MockPlugin
1606* Fixed a caching bug in the CacheAdapterFactory
1607* Inspector objects can be injected into a Command object
1608* Refactoring a lot of code and tests to be case insensitive when dealing with headers
1609* Adding Guzzle\Http\Message\HeaderComparison for easy comparison of HTTP headers using a DSL
1610* Adding the ability to set global option overrides to service builder configs
1611* Adding the ability to include other service builder config files from within XML and JSON files
1612* Moving the parseQuery method out of Url and on to QueryString::fromString() as a static factory method.
1613
1614## 2.5.0 - 2012-05-08
1615
1616* Major performance improvements
1617* [BC] Simplifying Guzzle\Common\Collection.  Please check to see if you are using features that are now deprecated.
1618* [BC] Using a custom validation system that allows a flyweight implementation for much faster validation. No longer using Symfony2 Validation component.
1619* [BC] No longer supporting "{{ }}" for injecting into command or UriTemplates.  Use "{}"
1620* Added the ability to passed parameters to all requests created by a client
1621* Added callback functionality to the ExponentialBackoffPlugin
1622* Using microtime in ExponentialBackoffPlugin to allow more granular backoff strategies.
1623* Rewinding request stream bodies when retrying requests
1624* Exception is thrown when JSON response body cannot be decoded
1625* Added configurable magic method calls to clients and commands.  This is off by default.
1626* Fixed a defect that added a hash to every parsed URL part
1627* Fixed duplicate none generation for OauthPlugin.
1628* Emitting an event each time a client is generated by a ServiceBuilder
1629* Using an ApiParams object instead of a Collection for parameters of an ApiCommand
1630* cache.* request parameters should be renamed to params.cache.*
1631* Added the ability to set arbitrary curl options on requests (disable_wire, progress, etc.). See CurlHandle.
1632* Added the ability to disable type validation of service descriptions
1633* ServiceDescriptions and ServiceBuilders are now Serializable
1634