Steadily developing CakePHP 4.0 #phpstudy

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Steadily developing CakePHP 4.0 #phpstudy 第134回PHP勉強会@東京 Kazuki Higashiguchi (@hgsgtk) 1

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CakePHP user? Question 2

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CakePHP user? Question CakePHP 4.0 is developing steadily Learn PHP through CakePHP 4.0 3

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@hgsgtk Kazuki Higashiguchi job is … Software Engineer lang is ... PHP, Go ...etc belongs to ... BASE BANK株式会社 (BASE株式会社の100%子会社) at #phpstudy talked about … terraform / ECS / Unit Testing 4

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Relation between $me and CakePHP ● work with CakePHP2.x ○ 2014 CakePHP 2.3 ○ 2017~ CakePHP 2.3~2.10 @BASE ● private with CakePHP3.x ○ php sample code at talks ● a contributor to CakePHP ○ cakephp/cakephp 2.x ○ cakephp/docs 3.x ○ not a member 5

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= 6 sample code with CakePHP 3.7 https://speakerdeck.com/hgsgtk/tesutokaxin-iwojie-jue-surutesutoqu-dong-kai-fa-falseahuroti-at-p hpkanhuarensuxian-tai-2019

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= 7 translation of cakephp3.7 migration guide https://github.com/cakephp/docs/pull/5950 https://book.cakephp.org/3.0/ja/appendices/3 -7-migration-guide.html#

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About CakePHP Web Application Framework follow MVC(MVC2) written in PHP 2005 first released major versions (1.x/2.x/3.x) https://cakephp.org/ 8

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CakePHP 4.0 9

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3.4 and Path to 4.0.0 talked by Mark Story at CakeFest 2017 10 https://www.slideshare.net/markstory/cakephp-the-road-ahead

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Announcing CakePHP 4 Strawberry 11 https://twitter.com/cakephp/status/877888565442560000

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Work on CakePHP 4 has started! 12 https://twitter.com/cakephp/status/1003609827631947777

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= Outline CakePHP next major version 4.0 Roadmap (https://github.com/cakephp/cakephp/wiki/4.0-Roadmap) Timeline 2017/6/11 “3.4 and path to 4.0” talked by Mark Story https://www.slideshare.net/markstory/cakephp-the-road-ahead 2017/6/23 Announcing CakePHP 4 Strawberry https://bakery.cakephp.org/2017/06/23/upcoming-cakephp-roadmap.htm l 2018/6/4 Work on CakePHP 4 started 13 CakePHP 4

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4.x https://github.com/cakephp/cakephp/tree/4.x 14

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Features The CakePHP4 features Easy upgrade Require PHP 7.1+ Stricter Typing API improvements Deprecation Cleanup 15

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Features The CakePHP4 features Easy upgrade Require PHP 7.1+ Stricter Typing API improvements Deprecation Cleanup 16

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= ● primarily be a clean-up release ● focus on removing all the deprecated features ● not add significant new features ● “CakePHP 3.6 を使用していれば簡単に移行できるようにする方針” 17 Easy upgrade

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Features The CakePHP4 features Easy upgrade Require PHP 7.1+ Stricter Typing API improvements Deprecation Cleanup 18

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= ● CakePHP 4.0 require PHP 7.1+ ● Issue#9956 4.x RFC - PHP7 only? ○ https://github.com/cakephp/cakephp/issues/9956 ● active support for 7.0 ends in late 2017 => 7.1 19 Require PHP7.1+

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= 20 Require PHP 7.1+ { "name": "cakephp/cakephp", (omit) "require": { "php": ">=7.1.0", (omit) }, } https://github.com/cakephp/cakephp/blob/d356d363a3fa60cafab45db4e7f2ffaec5a506e1/composer.js on#L31

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= ● Null coalesce operator (Null合体演算子) ● nullable types 21 Use new features of PHP7.1+

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= public static function getRequest(bool $current = false): ?ServerRequest { if ($current) { $request = end(static::$_requests); return $request ?: null; } return static::$_requests[0] ?? null; } 22 Null coalesce operator and nullable type https://github.com/cakephp/cakephp/blob/45becd398ac060c9d1f379c42627a6ba81158933/src/Routi ng/Router.php#L301

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Features The CakePHP4 features Easy upgrade Require PHP 7.1+ Stricter Typing API improvements Deprecation Cleanup 23

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= use scalar type hints, strict typing as much as possible The addition of type hints should not be added if they will cause significant backwards compatibility breaks. 24 Stricter Typing https://github.com/cakephp/cakephp/wiki/4.0-Roadmap

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= 25 scalar type hinting and strict typing getSource(); } https://github.com/cakephp/cakephp/blob/c2995a9ffc5c7dd06f67b56153db7a6cd665c17e/src/ORM/ Association/HasMany.php#L98

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Features The CakePHP4 features Easy upgrade Require PHP 7.1+ Stricter Typing API improvements Deprecation Cleanup 26

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API Improvement Features Use null instead of false for `nullable` return Support for PSR 15 middleware Implement PSR 16 ...etc 27 https://github.com/cakephp/cakephp/wiki/4.0- Roadmap

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API Improvement Features Use null instead of false for `nullable` return Support for PSR 15 middleware Implement PSR 16 ...etc 28 https://github.com/cakephp/cakephp/wiki/4.0- Roadmap

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= (3.x) @return string|false => 4.x @return string|null 29 Use null instead of false for `nullable` return https://github.com/cakephp/cakephp/blob/5aa16f4464a062f197eb31ab32b3862be9958cf7/src/O RM/BehaviorRegistry.php#L88 public static function className(string $class): ?string { $result = App::className($class, 'Model/Behavior', 'Behavior'); if (!$result) { $result = App::className($class, 'ORM/Behavior', 'Behavior'); } return $result; }

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API Improvement Features Use null instead of false for `nullable` return Support for PSR 15 middleware Implement PSR 16 ...etc 30 https://github.com/cakephp/cakephp/wiki/4.0- Roadmap

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= “ミドルウェアオブジェクトは、再利用可能で構成可能なリクエスト処理、あるいはレスポンス構築処理の層でアプリケーションを「ラップ」する機能を提供します。” (「CakePHP3.7 books ミドルウェア」) 31 About middleware https://book.cakephp.org/3.0/en/controllers/middleware.html

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= ● BodyParserMiddleware ● CsrfProtectionMiddleware ● EncryptedCookieMiddleware ● SecurityHeadersMiddleware ● ErrorHandlerMiddleware ● AssetMiddleware ● RoutingMiddleware 32 CakePHP middlewares

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ぺちこん仙台2019の山岡さんの発表がとてもわかり易い 33 https://speakerdeck.com/hiro_y/phpfalsemiddlewarewo-shi-ikonasutameni

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= PHP Standards Recommendations https://www.php-fig.org/psr/ コミュニティにて影響が大きい勧告（決定的な「標準」というわけではない） 34 About PSR

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PSR-7とPSR-15 について山岡さん資料内のありがたい図 35 https://speakerdeck.com/hiro_y/phpfalsemiddlewarewo-shi-ikonasutameni?slide=28

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= ● PSR-7: HTTP message interfaces ○ https://www.php-fig.org/psr/ ○ https://github.com/php-fig/http-message ● CakePHP では 3.4 にて対応 Interfaces ● Psr\Http\Message\RequestInterface ○ https://github.com/php-fig/http-message/blob/master/src/RequestInterface.php ● Psr\Http\Message\ResponseInterface ○ https://github.com/php-fig/http-message/blob/master/src/ResponseInterface.php 36 About PSR-7

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= ● PSR-15: HTTP Server Request Handlers ○ https://www.php-fig.org/psr/psr-15/ Interfaces ● Psr\Http\Server\RequestHandlerInterface ● Psr\Http\Server\MiddlewareInterface 37 About PSR-15

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RequestHandlerInterface 38

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MiddlewareInterface 39

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40 https://twitter.com/mark_story/status/1090084761433968640

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41 https://github.com/cakephp/cakephp/pull/12907

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= 42 Implementing PSR-15 { "name": "cakephp/cakephp", (omit) "require": { (omit) "psr/http-client": "^1.0", "psr/http-server-handler": "^1.0", "psr/http-server-middleware": "^1.0", (omit) }, } https://github.com/cakephp/cakephp/blob/d356d363a3fa60cafab45db4e7f2ffaec5a506e1/composer.js on#L31

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= PSR-15をサポートしたので、自前でmiddlewareを書く際の実装に変化 43 Changes For 一般PHPer

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= 44 Middleware before CakePHP4.x getCookie('landing_page')) { $expiry = new Time('+ 1 year'); $response = $response->withCookie('landing_page', [ 'value' => $request->here(), 'expire' => $expiry->format('U'), ]); } return $response; } }

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= 45 Middleware implemented PSR-15 handle($request); if (!$request->getCookie('landing_page')) { $expiry = new Time('+1 year'); $response = $response->withCookie('landing_page', [ 'value' => $request->here(), 'expire' => $expiry->format('U') ]); } return $response; } }

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API Improvement Features Use null instead of false for `nullable` return Support for PSR 15 middleware Implement PSR 16 ...etc 46 https://github.com/cakephp/cakephp/wiki/4.0- Roadmap

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= RFC - Implement PSR16 support in Cache https://github.com/cakephp/cakephp/issues/12483 “The PSR16 interfaces define a simpler Cache interface that would allow CakePHP to leverage solutions from outside of CakePHP in the longer term if we adopt the interfaces.” 47 Implement PSR-16

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48 https://github.com/cakephp/cakephp/pull/12591

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Features The CakePHP4 features Easy upgrade Require PHP 7.1+ Stricter Typing API improvements Deprecation Cleanup 49

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= 4.0 以後にて非推奨メソッドを削除 CakePHP3.6まであげれたら非推奨箇所を書き換えて4.0へアップデート 3.6 にて非推奨になった機能郡 https://book.cakephp.org/3.0/ja/appendices/3-6-migration-guide.html#id2 3.7 にて非推奨になった機能郡 https://book.cakephp.org/3.0/ja/appendices/3-7-migration-guide.html#id2 50 Deprecation Creanup

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Other Core Plugin Updates and tooling DebugKit Bake Migrations Authentication Authorization ElasticSearch 51

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52 https://twitter.com/mark_story/status/1086827718367420416

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= 53 cakephp/bake folder structure 3.x 4.x https://github.com/cakephp/bake/tree/4.x https://github.com/cakephp/bake/tree/3.next

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Long term support for 3.x & 2.x CakePHP 3.x ● Bug fixes for 18 months after 4.0.0. ● Security fixes for 36 months after 4.0.0 is released. CakePHP 2.x ● Bug fixes for 12 months after the release of 4.0.0. ● Security fixes for 18 months after the release of 4.0.0. 55 https://bakery.cakephp.org/2017/06/23/upcoming -cakephp-roadmap.html

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CakeFest 56

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= ● 2008 Orlando, FL, USA ● 2008 Buenos Aires, Argentina ● 2009 Berlin, Germany ● 2010 Chicago, IL, USA ● 2011 Manchester, UK ● 2012 Manchester, UK ● 2013 San Francisco, CA, USA ● 2014 Madrid, Spain ● 2015 New York, NY, USA ● 2016 Amsterdam, Netherlands ● 2017 New York, NY, USA ● 2019 Tokyo, Japan 57 CakeFest’s venue

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59 https://cakefest.org/

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60 https://cakefest.org/

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61 https://cakefest.org/

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スタンプラリー行脚の予定空けておきましょう 62

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= ● CakePHP 4.0 が開発進行中、随時実装完了している箇所もあり ● CakePHP 4.0 は、 PHP7.1以降の新機能を採用していい感じ ● メジャーバージョンアップのタイミングに、中でどういう実装をしているか見ると、 PHP自体の勉強になる ● CakeFest2019に参加しよう！ 63 Summary