PHP Digest number 159 (June 17 - July 1, 2019)

Fresh selection with links to news and materials. In release: PHP 7.4.0 alpha 2, BeerPHP, a review of recent RFCs from PHP Internals, including Strict operators directive, a portion of useful tools, videos, and more.

Enjoy reading!

News and Releases

• PHP 7.4.0 alpha 2 - Second planned alpha release with bug fixes . A complete list of new features and changes is available in the UPGRADING document. Another alpha is expected and then feature-freeze on July 22.
  Reviews: What's new in PHP 7.4 , What's New in PHP 7.4 (Features, Deprecations, Speed) .
• BeerPHP Moscow # 4, July 4, 2019 - The fifth jubilee meeting of the PHP community in Moscow for informal communication. By the way, in order to organize BeerPHP in your city, you can create an issue in the beerphp / meta repository. The movement is very popular and goes well in the JS world . Give BeerPHP in every city!
• PHP Meetup in Moscow (SkyEng office), August 22, 2019

Php internals

• [RFC] Normalize arrays "auto-increment" value on copy on write - It is proposed to reset the “auto increment” value when copying an array, as if a new empty array would be filled with elements from the old one when copying.
  Hidden text

  $array = [0, 1, 2, 3]; unset($array[3], $array[2]); $arrayCopy = $array; $arrayCopy[] = 2; //    ,     . //       . assert($arrayCopy === [0, 1, 2]); 

• [RFC] Strict operators directive - PHP produces implicit type conversion for most operators. And since the conversion rules are rather complicated, this can often lead to unpredictable results. This RFC proposes to introduce a new directive, strict_operators , which will restrict type conversions and allow you to throw a TypeError error for incompatible operands. The document is very detailed and describes many examples, I recommend to see the whole. Also, the directive changes the behavior of the switch construction.
• [RFC] Deprecations for PHP 7.4 - Another package of features is proposed to be declared obsolete in 7.4 and then deleted in 8.0. From interesting:
  • Now arguments can be passed to implode() in any order - it is proposed to leave only the canonical implode(string $glue, array $pieces) ;
  • Instead of float you can use the real type - the latter will be removed.
  
• [RFC] Add str begin and end functions - is proposed to add a function str_begins() , str_ibegins() , str_ends() , str_iends() , mb_str_begins() , mb_str_ibegins() , mb_str_ends() , and mb_str_iends() .
• For the php-src repository, we added a pipeline to Azure DevOps .
• PHP Internals News # 15 - On base_convert() improvements with Scott Dutton .
• PHP Internals News # 16 - With Joe Watkins on [RFC] Unbundle ext / recode .

Instruments

• cycle / orm - Powerful ORM for long-lived applications and more. Detailed documentation is prepared with an example of dynamic schema definition and relationships.
• SerafimArts / pipe - Wrapper for recording operations in the form of a chain of calls (pipe operator). Submitted by Ostap34JS .
• postaddictme / instagram-php-scraper - The library simulates the behavior of Instagram clients to get data without using the official API. There is also a mgp25 / Instagram-API library.
• helhum / dotenv-connector - A handy plugin for Composer that reads variables from .env and makes them available throughout the application.
• patrickschur / language-detection - On a given line, determines with what probability it is written in a particular language.
• thephpleague / commonmark - Markdown Parser . Release Overview 1.0.0 .

Symfony

• New member in the symfony core team: Yonel Ceruto
• PHP 7.4 Preload in Symfony - Nikolas Grekas prepared a PR in Symfony with a preloading implementation that was added in PHP 7.4. Performance tests have not yet been conducted. Sent by dmitrybalabka
• Improvements in Twig: control of whitespace , simple macros , added Filter, Map and Reduce .
• Effective testing using fixtures in symfony 4
• Working with JSON RPC in symfony 4

Laravel

• mpociot / laravel-test-factory-helper - Generates test factories based on existing models.
• laravel-preload / preload.php - PHP 7.4 preloading concept for Laravel.
• Macros in Laravel
• Unit testing in Laravel
• Chat bot development (laravel + botman)
• Laravel Core Adventures: Accessors & Mutators
• Taylor Podcast Laravel Snippet # 14 - Laravel Live UK, where Has Morph, laravel / ui, front-end authorization, performance, Lumen.

Yii

• cebe / yii2-app-api - Application template on Yii2 for quickly creating an API based on the OpenAPI spec.

Async php

• Writing a RESTful API with ReactPHP: Plans and First Steps , What is a RESTful API?
• Five minutes PHP # 5 - Visiting Sergey Zhuk talks about asynchronous PHP and ReactPHP. The podcast can now also be listened to on YouTube .

Study materials

• PHP Wishlist - Yearly selection of features that would like to see in PHP.
• You may not need a query bus.
• Mutation Testing: Testing Tests
• Logging in distributed php application
• PHP generics today (well, almost) - Some more examples of using generics in a post about implementing in PHPStan .
• Haxe and PHP: static typing, arrow functions, metaprogramming and much more.
• Clean PHP Code - Principles of software development, taken from the book Clean Code by Robert Martin and adapted for PHP.
• Video from Dutch PHP Conference 2019
• Video from PHPfwdays 2019

Thanks for attention!

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