Merge branch 'master' into master

.github/workflows/awesomebot.yml

     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Ruby 2.6
+    - name: Set up Ruby
       uses: actions/setup-ruby@v1
       with:
-        ruby-version: 2.6.x
+        ruby-version: 2.7.x
     - name: Install Awesome Bot
       run: gem install awesome_bot
     - name: Run Awesome Bot
-      run: awesome_bot README.md --white-list igor.io,symfony,toranproxy.com,vagrantup.com,3v4l.org,voicesoftheelephpant.com,drupal.org
+      run: awesome_bot README.md --request-delay 1 --allow-dupe --white-list igor.io,symfony,toranproxy.com,vagrantup.com,3v4l.org,voicesoftheelephpant.com,drupal.org,oreilly.com,youtube.com,lumen.laravel.com
+    - uses: actions/upload-artifact@v1
+      if: failure()
+      with:
+        name: ab-results
+        path: ab-results-README.md-filtered.json

.travis.yml

-language: ruby
-rvm:
-  - 2.2
-before_script:
-  - gem install awesome_bot
-script:
-  - awesome_bot README.md --white-list igor.io,symfony,toranproxy.com,vagrantup.com,3v4l.org,voicesoftheelephpant.com,drupal.org
-notifications:
-  email: false

CONTRIBUTING.md

 # Contribution Guidelines
 Unfortunately, not every library, tool or framework can be considered for inclusion. The aim of Awesome PHP is to be a concise list of noteworthy and interesting software written in modern PHP. Therefore, suggested software should:
 
-1. Be widely recommended regardless of personal opinion
+1. Be widely recommended
 2. Well known or discussed within the PHP community
 3. Be unique in its approach or function
 4. Fill a niche gap in the market
 
 Also, please ensure your pull request adheres to the following guidelines:
 
-* Software that is PHP 7.0+, Composer-installable, PSR compliant, semantically versioned, unit tested, actively maintained and well documented in English is preferred.
-* Please search previous suggestions before making a new one, as yours may be a duplicate.
+* Software that is PHP 8.0+, Composer-installable, PSR compliant, semantically versioned, unit tested, actively maintained and well documented in English.
+* Please search previous suggestions before making a new one, as yours may be a duplicate and will be closed.
 * Enter a meaningful pull request description.
-* Please make an individual commit for each suggestion in a separate pull request.
 * Put a link to each library in your pull request ticket so it's easier to review.
+* Please make an individual commit for each suggestion in a separate pull request.
 * Use the following format for libraries: \[LIBRARY\]\(LINK\) - DESCRIPTION.
 * Prefix duplicate library names with their vendor or namespace followed by a space: Foo\Bar would be Foo Bar.
 * New categories, or improvements to the existing categorisation, are always welcome.
-* Please keep descriptions short, simple and unbiased. No buzzwords or marketing jargon.
+* Please keep descriptions short, simple and unbiased. No buzzwords or marketing jargon please.
 * End all descriptions with a full stop/period.
 * Check your spelling and grammar.
 * Make sure your text editor is set to remove trailing whitespace.
+* Your entry has been added alphabetically within the category.
 
 Thank you for your suggestions!

README.md

     - [Middlewares](#middlewares)
     - [URL](#url)
     - [Email](#email)
-    - [Files](#files)
+    - [Files](#Files)
     - [Streams](#streams)
     - [Dependency Injection](#dependency-injection)
     - [Imagery](#imagery)
     - [Search](#search)
     - [Command Line](#command-line)
     - [Authentication and Authorization](#authentication-and-authorization)
-    - [Markup](#markup)
+    - [Markup and CSS](#markup-and-css)
+    - [JSON](#json)
     - [Strings](#strings)
     - [Numbers](#numbers)
     - [Filtering and Validation](#filtering-and-validation)
     - [API](#api)
-    - [Caching](#caching)
+    - [Caching and Locking](#caching-and-locking)
     - [Data Structure and Storage](#data-structure-and-storage)
     - [Notifications](#notifications)
     - [Deployment](#deployment)
     - [Infrastructure](#infrastructure)
 - [Resources](#resources)
     - [PHP Websites](#php-websites)
-    - [Other Websites](#other-websites)
     - [PHP Books](#php-books)
     - [PHP Videos](#php-videos)
     - [PHP Podcasts](#php-podcasts)
+    - [PHP Newsletters](#php-newsletters)
     - [PHP Reading](#php-reading)
     - [PHP Internals Reading](#php-internals-reading)
 
 * [Packagist](https://packagist.org/) - The PHP Package Repository.
 * [Private Packagist](https://packagist.com/) - Composer package archive as a service for PHP.
 * [WordPress Packagist](https://wpackagist.org/) - Manage your plugins with Composer.
-* [Zend Framework Packages](https://packages.zendframework.com/) - Zend Framework Composer Repository.
 
 ### Dependency Management
 *Libraries for dependency and package management.*
 
 * [Composer Installers](https://github.com/composer/installers) - A  multi framework Composer library installer.
 * [Composer](https://getcomposer.org/) - A package and dependency manager.
-* [Melody](https://melody.sensiolabs.org/) - A tool to build one file Composer scripts.
+* [Phive](https://phar.io/) - A PHAR manager.
 * [Pickle](https://github.com/FriendsOfPHP/pickle) - A PHP extension installer.
 
 ### Dependency Management Extras
 *Extras related to dependency management.*
 
 * [Composed](https://github.com/joshdifabio/composed) - A library to parse your project's Composer environment at runtime.
-* [Composer Merge Plugin](https://github.com/wikimedia/composer-merge-plugin) - A composer plugin to merge several composer.json files.
+* [Composer Merge Plugin](https://github.com/wikimedia/composer-merge-plugin) - A composer plugin to merge several `composer.json` files.
+* [Composer Normalize](https://github.com/ergebnis/composer-normalize) - A plugin for normalising `composer.json` files. 
+* [Composer Patches](https://github.com/cweagans/composer-patches) - A plugin for Composer to apply patches.
+* [Composer Require Checker](https://github.com/maglnet/ComposerRequireChecker) - CLI tool to analyze composer dependencies and verify that no unknown symbols are used in the sources of a package.
+* [Composer Unused](https://github.com/composer-unused/composer-unused) - A CLI Tool to scan for unused composer packages.
 * [Prestissimo](https://github.com/hirak/prestissimo) - A composer plugin which enables parallel install process.
+* [Repman](https://repman.io) - A private PHP package repository manager and Packagist proxy.
 * [Satis](https://github.com/composer/satis) - A static Composer repository generator.
-* [tooly](https://github.com/tommy-muehle/tooly-composer-script) - A library to manage PHAR files in project using Composer.
+* [Tooly](https://github.com/tommy-muehle/tooly-composer-script) - A library to manage PHAR files in project using Composer.
 * [Toran Proxy](https://toranproxy.com) - A static Composer repository and proxy.
 
 ### Frameworks
 *Web development frameworks.*
 
-* [Aura Framework](http://auraphp.com/framework/) - A framework built from independent components.
-* [CakePHP](https://cakephp.org/) - A rapid application development framework (CP).
-* [Laravel 6](https://laravel.com/) - Another PHP framework (L6).
-* [Nette](https://nette.org) - Another framework comprised of individual components.
+* [CakePHP](https://cakephp.org/) - A rapid application development framework.
+* [Laminas](https://getlaminas.org/) - A framework comprised of individual components (previously Zend Framework).
+* [Laravel](https://laravel.com/) - A web application framework with expressive, elegant syntax.
+* [Nette](https://nette.org) - A web framework comprised of mature components.
 * [Phalcon](https://phalcon.io/en-us) - A framework implemented as a C extension.
-* [PPI Framework 2](https://github.com/ppi) - An interoperability framework.
-* [Symfony](https://symfony.com/) - A framework comprised of individual components (SF).
-* [Yii2](https://github.com/yiisoft/yii2/) - Another PHP framework.
-* [Zend Framework 3](https://framework.zend.com/learn) - A framework comprised of individual components (ZF3).
-* [Ice](https://www.iceframework.org/) - Another simple and fast PHP framework delivered as C-extension.
+* [Spiral](https://spiral.dev/) - A high performance PHP/Go framework.
+* [Symfony](https://symfony.com/) - A set of reusable components and a web framework.
+* [Yii2](https://github.com/yiisoft/yii2/) - A fast, secure, and efficient web framework.
 
 ### Framework Extras
 *Extras related to web development frameworks.*
 
 * [CakePHP CRUD](https://github.com/friendsofcake/crud) - A Rapid Application Development (RAD) plugin for CakePHP.
 * [Knp RAD Components](https://rad.knplabs.com/) - A set of Rapid Application Development (RAD) components for Symfony.
+* [LaravelS](https://github.com/hhxsv5/laravel-s) - Glue for using Swoole in Laravel or Lumen.
 * [Symfony CMF](https://github.com/symfony-cmf/symfony-cmf) - A Content Management Framework to create custom CMS.
+* [Livewire](https://laravel-livewire.com/) - A full-stack framework for Laravel that takes the pain out of building dynamic UIs.
 
 ### Content Management Systems (CMS)
 *Tools for managing digital content.*
+
 * [Backdrop](https://backdropcms.org) - A CMS targeting small-to-medium sized business and non-profits (a fork of Drupal).
-* [Concrete5](https://www.concrete5.org/) - A CMS targeting users with a minimum of technical skills.
+* [Concrete5](https://www.concretecms.com/) - A CMS targeting users with a minimum of technical skills.
+* [CraftCMS](https://github.com/craftcms/cms) - A flexible, user-friendly CMS for creating custom digital experiences on the web and beyond.
 * [Drupal](https://www.drupal.org) - An enterprise level CMS.
 * [Grav](https://github.com/getgrav/grav) - A modern flat-file CMS.
 * [Joomla](https://www.joomla.org/) - Another leading CMS.
-* [Magento](https://magento.com/) - The most popular ecommerce platform.
-* [WordPress](https://wordpress.org/) - A blogging platform and CMS.
+* [Kirby](https://getkirby.com/) - A flat-file CMS that adapts to any project.
+* [Magento](https://business.adobe.com/products/magento/magento-commerce.html) - The most popular ecommerce platform.
 * [Moodle](https://moodle.org/) - An open-source learning platform.
+* [Pico CMS](https://picocms.org/) - A stupidly simple, blazing fast, flat file CMS.
+* [Statamic](https://statamic.com/) - Build beautiful, easy to manage websites.
+* [WordPress](https://wordpress.org/) - A blogging platform and CMS.
 
 ### Components
 *Standalone components from web development frameworks and development groups.*
 
-* [Aura](http://auraphp.com/) - Independent components, fully decoupled from each other and from any framework.
+* [Aura](https://auraphp.com/) - Independent components, fully decoupled from each other and from any framework.
 * [CakePHP Plugins](https://plugins.cakephp.org/) - A directory of CakePHP plugins.
-* [Hoa Project](https://hoa-project.net/En/) - Another package of PHP components.
+* [Laravel Components](https://github.com/illuminate) - The Laravel Framework components.
 * [League of Extraordinary Packages](https://thephpleague.com/) - A PHP package development group.
-* [Spatie Open Source](https://spatie.be/open-source/packages) - A collection of open source PHP and Laravel packages.
-* [Symfony Components](https://symfony.com/doc/master/components/index.html) - The components that make Symfony.
-* [Zend Framework Components](https://docs.zendframework.com/) - The components that make Zend Framework.
+* [Spatie Open Source](https://spatie.be/open-source) - A collection of open source PHP and Laravel packages.
+* [Symfony Components](https://symfony.com/components) - The components that make Symfony.
+* [Laminas Components](https://docs.laminas.dev/components/) - The components that make the Laminas Framework.
 
 ### Micro Frameworks
 *Micro frameworks and routers.*
 
-* [Bullet PHP](http://bulletphp.com/) - A micro framework for building REST APIs.
-* [Lumen](https://lumen.laravel.com) - A micro-framework by Laravel.
+* [Laravel-Zero](https://laravel-zero.com) - A micro-framework for console applications.
+* [Lumen](https://lumen.laravel.com/) - A micro-framework by Laravel.
+* [Mezzio](https://getexpressive.org/) - A micro-framework by Laminas.
 * [Radar](https://github.com/radarphp/Radar.Adr) - An Action-Domain-Responder implementation for PHP.
+* [Silly](https://github.com/mnapoli/silly) - A micro-framework for CLI applications.
 * [Slim](https://www.slimframework.com/) - Another simple micro framework.
-* [Expressive](https://getexpressive.org/) - A micro-framework by Zend.
 
 ### Micro Framework Extras
 *Extras related to micro frameworks and routers.*
 
-* [Silex Skeleton](https://github.com/silexphp/Silex-Skeleton) - A project skeleton for Silex.
-* [Silex Web Profiler](https://github.com/silexphp/Silex-WebProfiler) - A web debug toolbar for Silex.
 * [Slim Skeleton](https://github.com/slimphp/Slim-Skeleton) - A skeleton for Slim.
 * [Slim Twig View](https://github.com/slimphp/Slim-Views) - Integrate Twig into Slim.
 * [Slim PHP View](https://github.com/slimphp/PHP-View) - A simple PHP renderer for Slim.
 ### Templating
 *Libraries and tools for templating and lexing.*
 
-* [Aura.View](https://github.com/auraphp/Aura.View) - Provides TemplateView and TwoStepView using PHP as the tempting language, with support for partials, sections, and helpers.
-* [Foil](https://github.com/FoilPHP/Foil) - Another native PHP templating library.
+* [Latte](https://latte.nette.org/) - The safest and truly intuitive templates for PHP.
 * [MtHaml](https://github.com/arnaud-lb/MtHaml) - A PHP implementation of the HAML template language.
 * [Mustache](https://github.com/bobthecow/mustache.php) - A PHP implementation of the Mustache template language.
 * [PHPTAL](https://phptal.org/) - A PHP implementation of the [TAL](https://en.wikipedia.org/wiki/Template_Attribute_Language) templating language.
 * [Plates](http://platesphp.com/) - A native PHP templating library.
 * [Smarty](https://www.smarty.net/) - A template engine to complement PHP.
 * [Twig](https://twig.symfony.com/) - A comprehensive templating language.
-* [Tale Jade](https://github.com/Talesoft/tale-jade) - A PHP implementation of the Jade template language.
 
 ### Static Site Generators
 *Tools for pre-processing content to generate web pages.*
 
 * [Couscous](http://couscous.io) - Couscous turns Markdown documentation into beautiful websites. It's GitHub Pages on steroids.
+* [Jigsaw](https://jigsaw.tighten.com/) - Simple static sites with Laravel's Blade.
 * [Sculpin](https://sculpin.io) - A tool that converts Markdown and Twig into static HTML.
 * [Spress](http://spress.yosymfony.com) - An extensible tool that converts Markdown and Twig into HTML.
 
 * [Buzz](https://github.com/kriswallsmith/Buzz) - Another HTTP client.
 * [Guzzle]( https://github.com/guzzle/guzzle) - A comprehensive HTTP client.
 * [HTTPlug](http://httplug.io) - An HTTP client abstraction without binding to a specific implementation.
+* [Nyholm PSR-7](https://github.com/Nyholm/psr7) - A super lightweight PSR-7 implementation. Very strict and very fast.
 * [PHP VCR](https://php-vcr.github.io/) - A library for recording and replaying HTTP requests.
-* [Requests](https://github.com/rmccue/Requests) - A simple HTTP library.
+* [Requests](https://github.com/WordPress/Requests) - A simple HTTP library.
 * [Retrofit](https://github.com/tebru/retrofit-php) - A library to ease creation of REST API clients.
 * [Symfony HTTP Client](https://github.com/symfony/http-client) - A component to fetch HTTP resources synchronously or asynchronously.
-* [zend-diactoros](https://github.com/zendframework/zend-diactoros) - PSR-7 HTTP Message implementation.
+* [Laminas Diactoros](https://github.com/laminas/laminas-diactoros) - PSR-7 HTTP Message implementation.
 
 ### Scraping
 *Libraries for scraping websites.*
 
+* [Chrome PHP](https://github.com/chrome-php/chrome) - Instrument headless Chrome/Chromium instances from PHP. 
+* [DiDOM](https://github.com/Imangazaliev/DiDOM) - A super fast HTML scrapper and parser.
 * [Embed](https://github.com/oscarotero/Embed) - An information extractor from any web service or page.
 * [Goutte](https://github.com/FriendsOfPHP/Goutte) - A simple web scraper.
 * [Symfony Panther](https://github.com/symfony/panther) - A browser testing and web crawling library for PHP and Symfony.
 ### Middlewares
 *Libraries for building application using middlewares.*
 
-* [Expressive](https://zendframework.github.io/zend-expressive/) - PSR-7 Middleware framework from Zend.
-* [PSR7-Middlewares](https://github.com/oscarotero/psr7-middlewares) - Inspiring collection of handy middlewares.
+* [PSR-7 Middlewares](https://github.com/oscarotero/psr7-middlewares) - Inspiring collection of handy middlewares.
 * [Relay](https://github.com/relayphp/Relay.Relay) - A PHP 5.5 PSR-7 middleware dispatcher.
-* [Stack](https://github.com/stackphp) - A library of stackable middleware for Silex/Symfony.
-* [zend-stratigility](https://github.com/zendframework/zend-stratigility) - Middleware for PHP built on top of PSR-7.
+* [Stack](https://github.com/stackphp) - A library of stackable middleware for Symfony.
+* [Laminas Stratigility](https://github.com/laminas/laminas-stratigility) - Middleware for PHP built on top of PSR-7.
 
 ### URL
 *Libraries for parsing URLs.*
 * [Fetch](https://github.com/tedious/Fetch) - An IMAP library.
 * [Mautic](https://github.com/mautic/mautic) - Email marketing automation
 * [PHPMailer](https://github.com/PHPMailer/PHPMailer) - Another mailer solution.
-* [Stampie](https://github.com/Stampie/Stampie) - A library for email services such as [SendGrid](https://sendgrid.com/), [PostMark](https://postmarkapp.com), [MailGun](https://www.mailgun.com/) and [Mandrill](https://www.mandrill.com).
+* [PHP IMAP](https://github.com/barbushin/php-imap) - A library to access mailboxes via POP3, IMAP and NNTP.
+* [Stampie](https://github.com/Stampie/Stampie) - A library for email services such as [SendGrid](https://sendgrid.com/), [PostMark](https://postmarkapp.com), [MailGun](https://www.mailgun.com/) and [MailChimp](https://mailchimp.com/features/transactional-email/).
 * [SwiftMailer](https://swiftmailer.symfony.com) - A mailer solution.
+* [Symfony Mailer](https://github.com/symfony/mailer) - A powerful library for creating and sending emails.
 
 ### Files
 *Libraries for file manipulation and MIME type detection.*
 
 * [CSV](https://github.com/thephpleague/csv) - A CSV data manipulation library.
-* [Flysystem](https://github.com/thephpleague/Flysystem) - Another filesystem abstraction layer.
+* [Flysystem](https://github.com/thephpleague/Flysystem) - Abstraction for local and remote filesystems.
 * [Gaufrette](https://github.com/KnpLabs/Gaufrette) - A filesystem abstraction layer.
-* [Hoa Mime](https://github.com/hoaproject/Mime) - Another MIME detection library.
 * [PHP FFmpeg](https://github.com/PHP-FFmpeg/PHP-FFmpeg/) - A wrapper for the [FFmpeg](https://www.ffmpeg.org/) video library.
 * [UnifiedArchive](https://github.com/wapmorgan/UnifiedArchive) - A unified reader and writer of compressed archives.
 
 ### Streams
 *Libraries for working with streams.*
 
+* [ByteStream](https://amphp.org/byte-stream/) - An asynchronous stream abstraction.
 * [Streamer](https://github.com/fzaninotto/Streamer) - A simple object-orientated stream wrapper library.
 
 ### Dependency Injection
 * [Auryn](https://github.com/rdlowrey/Auryn) - A recursive dependency injector.
 * [Container](https://github.com/thephpleague/container) - Another flexible dependency injection container.
 * [Disco](https://github.com/bitExpert/disco) - A PSR-11 compatible, annotation-based dependency injection container.
-* [PHP-DI](http://php-di.org/) - A dependency injection container that supports autowiring.
+* [PHP-DI](https://php-di.org/) - A dependency injection container that supports autowiring.
 * [Pimple](https://pimple.symfony.com/) - A tiny dependency injection container.
-* [Symfony DI](https://github.com/symfony/dependency-injection) - A dependency injection container component (SF).
+* [Symfony DI](https://github.com/symfony/dependency-injection) - A dependency injection container component.
 
 ### Imagery
 *Libraries for manipulating images.*
 * [Alice](https://github.com/nelmio/alice) - An expressive fixture generation library.
 * [AspectMock](https://github.com/Codeception/AspectMock) - A mocking framework for PHPUnit/Codeception.
 * [Atoum](https://github.com/atoum/atoum) - A simple testing library.
-* [Behat](http://docs.behat.org/en/v2.5/) - A behaviour driven development (BDD) testing framework.
+* [Behat](https://docs.behat.org/en/latest/) - A behaviour driven development (BDD) testing framework.
 * [Codeception](https://github.com/Codeception/Codeception) - A full stack testing framework.
-* [Faker](https://github.com/fzaninotto/Faker) - A fake data generator library.
+* [Faker](https://github.com/fakerphp/faker) - A fake data generator library.
+* [Foundry](https://github.com/zenstruck/foundry) - A fixture factory generation library for Doctrine.
 * [HTTP Mock](https://github.com/InterNations/http-mock) - A library for mocking HTTP requests in unit tests.
+* [Infection](https://github.com/infection/infection) - An AST-based PHP Mutation testing framework.
 * [Kahlan](https://github.com/kahlan/kahlan) - Full stack Unit/BDD testing framework with built-in stub, mock and code-coverage support.
-* [Mink](http://mink.behat.org/en/latest/) - Web acceptance testing.
+* [Mink](https://mink.behat.org/en/latest/) - Web acceptance testing.
 * [Mockery](https://github.com/mockery/mockery) - A mock object library for testing.
 * [ParaTest](https://github.com/paratestphp/paratest) - A parallel testing library for PHPUnit.
+* [Pest](https://pestphp.com/) - A testing framework with a focus on simplicity.
 * [Peridot](https://github.com/peridot-php/peridot) - An event driven test framework.
-* [Phake](https://github.com/mlively/Phake) - Another mock object library for testing.
+* [Phake](https://github.com/phake/phake) - Another mock object library for testing.
 * [Pho](https://github.com/danielstjules/pho) - Another behaviour driven development testing framework.
 * [PHP-Mock](https://github.com/php-mock/php-mock) - A mock library for built-in PHP functions (e.g. time()).
+* [PHP MySQL Engine](https://github.com/vimeo/php-mysql-engine) -  A MySQL engine written in pure PHP. 
 * [PHPSpec](https://github.com/phpspec/phpspec) - A design by specification unit testing library.
 * [PHPT](https://qa.php.net/write-test.php) - A test tool used by PHP itself.
 * [PHPUnit](https://github.com/sebastianbergmann/phpunit) - A unit testing framework.
 *Libraries and applications for continuous integration.*
 
 * [CircleCI](https://circleci.com) - A continuous integration platform.
-* [GitlabCi](https://about.gitlab.com/product/continuous-integration/) - Let GitLab CI test, build, deploy your code. TravisCi like.
-* [Jenkins](https://jenkins.io/index.html) - A continuous integration platform with [PHP support](http://jenkins-php.org/index.html).
+* [GitlabCi](https://about.gitlab.com/stages-devops-lifecycle/continuous-integration/) - Let GitLab CI test, build, deploy your code. TravisCi like.
+* [Jenkins](https://www.jenkins.io/) - A continuous integration platform with [PHP support](https://www.jenkins.io/solutions/php/).
 * [JoliCi](https://github.com/jolicode/JoliCi) - A continuous integration client written in PHP and powered by Docker.
 * [PHPCI](https://github.com/dancryer/phpci) - An open source continuous integration platform for PHP.
 * [SemaphoreCI](https://semaphoreci.com/) - A continuous integration platform for open source and private projects.
-* [Shippable](https://www.shippable.com/) - A Docker based continious integration platform for open source and private projects.
+* [Shippable](https://jfrog.com/blog/weve-acquired-shippable-to-complete-devops-pipeline-automation-from-code-to-production/) - A Docker based continious integration platform for open source and private projects.
 * [Travis CI](https://travis-ci.org/) - A continuous integration platform.
 * [Setup PHP](https://github.com/shivammathur/setup-php) - A GitHub Action for PHP.
 
 *Libraries for generating project documentation.*
 
 * [APIGen](https://github.com/apigen/apigen) - Another API documentation generator.
-* [daux.io](https://github.com/justinwalsh/daux.io) - A documentation generator which uses Markdown files.
+* [daux.io](https://github.com/dauxio/daux.io) - A documentation generator which uses Markdown files.
 * [PHP Documentor 2](https://github.com/phpDocumentor/phpDocumentor) - A documentation generator.
-* [phpDox](http://phpdox.de/) - A documentation generator for PHP projects (that is not limited to API documentation).
-* [Sami](https://github.com/FriendsOfPHP/Sami) - An API documentation generator.
+* [phpDox](https://phpdox.net/) - A documentation generator for PHP projects (that is not limited to API documentation).
 
 ### Security
-*Libraries for generating secure random numbers, encrypting data and scanning for vulnerabilities.*
+*Libraries for generating secure random numbers, encrypting data and scanning and testing for vulnerabilities.*
 
 * [Halite](https://paragonie.com/project/halite) - A simple library for encryption using [libsodium](https://github.com/jedisct1/libsodium).
 * [HTML Purifier](https://github.com/ezyang/htmlpurifier) - A standards compliant HTML filter.
 * [IniScan](https://github.com/psecio/iniscan) - A tool that scans PHP INI files for security.
 * [Optimus](https://github.com/jenssegers/optimus) - Id obfuscation based on Knuth's multiplicative hashing method.
+* [PHPGGC](https://github.com/ambionics/phpggc) - A library of PHP unserializable payloads along with a tool to generate them.
 * [PHP Encryption](https://github.com/defuse/php-encryption) - Secure PHP Encryption Library.
 * [PHP SSH](https://github.com/Herzult/php-ssh) - An experimental object orientated SSH wrapper library.
 * [PHPSecLib](http://phpseclib.sourceforge.net/) - A pure PHP secure communications library.
 * [random_compat](https://github.com/paragonie/random_compat) - PHP 5.x support for `random_bytes()` and `random_int()`
 * [RandomLib](https://github.com/ircmaxell/RandomLib) - A library for generating random numbers and strings.
 * [Symfony Security Monitoring](https://security.symfony.com/) - A web tool to check your Composer dependencies for security advisories, previously known as "SensioLabs Security Check".
+* [SQLMap](https://github.com/sqlmapproject/sqlmap) - An automatic SQL injection and database takeover tool. 
 * [TCrypto](https://github.com/timoh6/TCrypto) - A simple encrypted key-value storage library.
 * [VAddy](https://vaddy.net/) - A continuous security testing platform for web applications.
-* [Zed](https://www.owasp.org/index.php/OWASP_Zed_Attack_Proxy_Project) - An integrated penetration testing tool for web applications.
+* [Zap](https://owasp.org/www-project-zap/) - An integrated penetration testing tool for web applications.
 
 ### Passwords
 *Libraries and tools for working with and storing passwords.*
 
 * [Better Reflection](https://github.com/Roave/BetterReflection) - AST-based reflection library that allows analysis and manipulation of code
 * [Code Climate](https://codeclimate.com) - An automated code review.
+* [GrumPHP](https://github.com/phpro/grumphp) - A PHP code-quality tool.
 * [PHP Parser](https://github.com/nikic/PHP-Parser) - A PHP parser written in PHP.
 * [PHP Semantic Versioning Checker](https://github.com/tomzx/php-semver-checker) - A command line utility that compares two source sets and determines the appropriate semantic versioning to apply.
+* [Phpactor](https://github.com/phpactor/phpactor) - PHP completion, refactoring and introspection tool.
 * [PHPLOC](https://github.com/sebastianbergmann/phploc) - A tool for quickly measuring the size of a PHP project.
 * [PHPQA](https://github.com/EdgedesignCZ/phpqa) - A tool for running QA tools (phploc, phpcpd, phpcs, pdepend, phpmd, phpmetrics).
 * [Qafoo Quality Analyzer](https://github.com/Qafoo/QualityAnalyzer) - A tool to visualize metrics and source code.
+* [Rector](https://github.com/rectorphp/rector) - A tool to upgrade and refactor code.
 * [Scrutinizer](https://scrutinizer-ci.com/) - A web tool to [scrutinise PHP code](https://github.com/scrutinizer-ci/php-analyzer).
 * [UBench](https://github.com/devster/ubench) - A simple micro benchmark library.
 
 ### Code Quality
 *Libraries for managing code quality, formatting and linting.*
 
+* [CaptainHook](https://github.com/captainhookphp/captainhook) - An easy-to-use and flexible Git hook library. 
 * [PHP CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer) - A library that detects PHP, CSS and JS coding standard violations.
 * [PHP CS Fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) - A coding standards fixer library.
 * [PHP Mess Detector](https://github.com/phpmd/phpmd) - A library that scans code for bugs, sub-optimal code, unused parameters and more.
 *Libraries for performing static analysis of PHP code.*
 
 * [Exakat](https://github.com/exakat/exakat) - A static analysis engine for PHP.
-* [Deptrac](https://github.com/sensiolabs-de/deptrac) - A static code analysis tool that helps to enforce rules for dependencies between software layers.
+* [Deptrac](https://github.com/qossmic/deptrac) - A static code analysis tool that helps to enforce rules for dependencies between software layers.
 * [Mondrian](https://github.com/Trismegiste/Mondrian) - A code analysis tool using Graph Theory.
 * [phan](https://github.com/phan/phan) - A static analyzer based on PHP 7+ and the php-ast extension.
 * [PHP Architecture Tester](https://github.com/carlosas/phpat) - Easy to use architecture testing tool for PHP.
 ### Architectural
 *Libraries related to design patterns, programming approaches and ways to organize code.*
 
-* [Design Patterns PHP](https://github.com/domnikl/DesignPatternsPHP) - A repository of software patterns implemented in PHP.
+* [Design Patterns PHP](https://github.com/DesignPatternsPHP/DesignPatternsPHP ) - A repository of software patterns implemented in PHP.
 * [Finite](https://yohan.giarel.li/Finite/) - A simple PHP finite state machine.
 * [Functional PHP](https://github.com/lstrojny/functional-php) - A functional programming library.
 * [Iter](https://github.com/nikic/iter) - A library that provides iteration primitives using generators.
-* [Patchwork](http://patchwork2.org/) - A library for redefining userland functions.
+* [Patchwork](https://patchwork2.org/) - A library for redefining userland functions.
 * [Pipeline](https://github.com/thephpleague/pipeline) - A pipeline pattern implementation.
+* [Porter](https://github.com/ScriptFUSION/Porter) - Data import abstraction library for consuming Web APIs and other data sources.
 * [RulerZ](https://github.com/K-Phoen/rulerz) - A powerful rule engine and implementation of the Specification pattern.
 
 ### Debugging and Profiling
-*Libraries and tools for debugging and profiling code.*
+*Libraries and tools for debugging errors and profiling code.*
 
 * [APM](https://pecl.php.net/package/APM) - Monitoring extension collecting errors and statistics into SQLite/MySQL/StatsD.
 * [Barbushin PHP Console](https://github.com/barbushin/php-console) - Another web debugging console using Google Chrome.
-* [Blackfire.io](https://blackfire.io) - A low-overhead code profiler.
+* [Blackfire.io](https://www.blackfire.io) - A low-overhead code profiler.
 * [Kint](https://github.com/kint-php/kint) - A debugging and profiling tool.
+* [Metrics](https://github.com/beberlei/metrics) - A simple metrics API library.
+* [PCOV](https://github.com/krakjoe/pcov) - A self contained code coverage compatible driver.
 * [PHP Console](https://github.com/Seldaek/php-console) - A web debugging console.
 * [PHP Debug Bar](http://phpdebugbar.com/) - A debugging toolbar.
 * [PHPBench](https://github.com/phpbench/phpbench) - A benchmarking Framework.
 * [PHPSpy](https://github.com/adsr/phpspy) - A low-overhead sampling profiler.
+* [Symfony VarDumper](https://github.com/symfony/var-dumper) - A variable dumper component.
 * [Tideways.io](https://tideways.com/) - Monitoring and profiling tool.
 * [Tracy](https://github.com/nette/tracy) - A simple error detection, logging and time measuring library.
+* [Whoops](https://github.com/filp/whoops) - A pretty error handling library.
 * [xDebug](https://github.com/xdebug/xdebug) - A debug and profile tool for PHP.
 * [XHProf](https://github.com/phacility/xhprof) - A profiling tool originally developed by Facebook.
 * [Z-Ray](https://www.zend.com/products/z-ray) - A debug and profile tool for Zend Server.
 ### Build Tools
 *Project build and automation tools.*
 
-* [Box](https://github.com/humbug/box) - A utility to build PHAR files.
+* [Box](https://github.com/box-project/box) - A utility to build PHAR files.
 * [Construct](https://github.com/jonathantorres/construct) - A PHP project/micro-package generator.
 * [Phing](https://www.phing.info/) - A PHP project build system inspired by Apache Ant.
+* [RMT](https://github.com/liip/RMT) - A library for versioning and releasing software.
 
 ### Task Runners
 *Libraries for automating and running tasks.*
 *Tools for managing, compressing and minifying website assets.*
 
 * [JShrink](https://github.com/tedious/JShrink) - A JavaScript minifier library.
-* [Munee](https://github.com/meenie/munee) - An asset optimiser library.
-* [Puli](https://github.com/puli/repository) - A library for determining assets absolute paths.
-* [BowerPHP](https://github.com/Bee-Lab/bowerphp) - A PHP implementation of Bower. A package manager for the web
+* [Laravel Mix](https://github.com/laravel-mix/laravel-mix ) - An elegant wrapper around Webpack for the 80% use case.
+* [Symfony Asset](https://github.com/symfony/asset) - Manages URL generation and versioning of web assets.
+* [Symfony Encore](https://github.com/symfony/webpack-encore) - A simple but powerful API for processing and compiling assets built around Webpack.
 
 ### Geolocation
 *Libraries for geocoding addresses and working with latitudes and longitudes.*
 
+* [Country List](https://github.com/umpirsky/country-list) - A list of all countries with names and ISO 3166-1 codes.
 * [GeoCoder](https://geocoder-php.org/) - A geocoding library.
 * [GeoJSON](https://github.com/jmikola/geojson) - A GeoJSON implementation.
 * [GeoTools](https://github.com/thephpleague/geotools) - A library of geo-related tools.
 *Libraries that are event-driven or implement non-blocking event loops.*
 * [Amp](https://github.com/amphp/amp) - An event driven non-blocking I/O library.
 * [Broadway](https://github.com/broadway/broadway) - An event source and CQRS library.
-* [Cake Event](https://github.com/cakephp/event) - An event dispatcher library (CP).
+* [CakePHP Event](https://github.com/cakephp/event) - An event dispatcher library.
 * [Elephant.io](https://github.com/Wisembly/Elephant.io) - Yet another web socket library.
 * [Evenement](https://github.com/igorw/evenement) - An event dispatcher library.
 * [Event](https://github.com/thephpleague/event) - An event library with a focus on domain events.
-* [Hoa EventSource](https://github.com/hoaproject/Eventsource) - An event source library.
-* [Hoa WebSocket](https://github.com/hoaproject/Websocket) - Another web socket library.
+* [Pawl](https://github.com/ratchetphp/Pawl) - An asynchronous web socket client.
 * [Prooph Event Store](https://github.com/prooph/event-store) - An event source component to persist event messages
 * [PHP Defer](https://github.com/php-defer/php-defer) - Golang's defer statement for PHP.
 * [Ratchet](https://github.com/ratchetphp/Ratchet) - A web socket library.
-* [React](https://github.com/reactphp/reactphp) - An event driven non-blocking I/O library.
+* [ReactPHP](https://github.com/reactphp/reactphp) - An event driven non-blocking I/O library.
 * [RxPHP](https://github.com/ReactiveX/RxPHP) - A reactive extension library.
 * [Swoole](https://github.com/swoole/swoole-src) - An event-driven asynchronous and concurrent networking communication framework with high performance for PHP written in C.
 * [Workerman](https://github.com/walkor/Workerman) - An event driven non-blocking I/O library.
 *Libraries and applications for taking payments and building online e-commerce stores.*
 
 * [Money](https://github.com/moneyphp/money) - A PHP implementation of Fowler's money pattern.
+* [Brick\Money](https://github.com/brick/money) - A money library for PHP, with support for contexts, cash roundings, currency conversion.
 * [OmniPay](https://github.com/thephpleague/omnipay) - A framework agnostic multi-gateway payment processing library.
 * [Payum](https://github.com/payum/payum) - A payment abstraction library.
 * [Shopware](https://github.com/shopware/shopware) - Highly customizable e-commerce software
 * [Aura.Sql](https://github.com/auraphp/Aura.Sql) - Provides an extension to the native PDO along with a profiler and connection locator.
 * [Aura.SqlQuery](https://github.com/auraphp/Aura.SqlQuery) - Independent query builders for MySQL, PostgreSQL, SQLite, and Microsoft SQL Server.
 * [Baum](https://github.com/etrepat/baum) - A nested set implementation for Eloquent.
-* [Cake ORM](https://github.com/cakephp/orm) - Object-Relational Mapper, implemented using the DataMapper pattern (CP).
-* [Doctrine Extensions](https://github.com/Atlantic18/DoctrineExtensions) - A collection of Doctrine behavioural extensions.
+* [CakePHP ORM](https://github.com/cakephp/orm) - Object-Relational Mapper, implemented using the DataMapper pattern.
+* [Cycle ORM](https://github.com/cycle/orm) - PHP DataMapper, ORM.
+* [Doctrine Extensions](https://github.com/doctrine-extensions/DoctrineExtensions ) - A collection of Doctrine behavioural extensions.
 * [Doctrine](https://www.doctrine-project.org/) - A comprehensive DBAL and ORM.
-* [Eloquent](https://github.com/illuminate/database) - A simple ORM (L6).
+* [Laravel Eloquent](https://github.com/illuminate/database) - A simple ORM.
 * [Pomm](https://github.com/chanmix51/Pomm) - An Object Model Manager for PostgreSQL.
 * [ProxyManager](https://github.com/Ocramius/ProxyManager) - A set of utilities to generate proxy objects for data mappers.
 * [RedBean](https://redbeanphp.com/index.php) - A lightweight, configuration-less ORM.
+* [Slimdump](https://github.com/webfactory/slimdump) - An easy dumper tool for MySQL.
 * [Spot2](https://github.com/spotorm/spot2) - A MySQL datamapper ORM.
 
 ### Migrations
 *Libraries for working with "NoSQL" backends.*
 
 * [PHPMongo](https://github.com/sokil/php-mongo) - A MongoDB ORM.
-* [Predis](https://github.com/nrk/predis) - A feature complete Redis library.
+* [Predis](https://github.com/predis/predis) - A feature complete Redis library.
 
 ### Queue
 *Libraries for working with event and task queues.*
 * [PHP AMQP](https://github.com/php-amqplib/php-amqplib) - A pure PHP AMQP library.
 * [Tarantool Queue](https://github.com/tarantool-php/queue) - PHP bindings for Tarantool Queue.
 * [Thumper](https://github.com/php-amqplib/Thumper) - A RabbitMQ pattern library.
+* [Enqueue](https://github.com/php-enqueue/enqueue-dev) - A message queue packages for PHP that supports RabbitMQ, AMQP, STOMP, Amazon SQS, Redis and Doctrine transports. 
 
 ### Search
 *Libraries and software for indexing and performing search queries on data.*
 
 * [Elastica](https://github.com/ruflin/Elastica) - A client library for ElasticSearch.
 * [ElasticSearch PHP](https://github.com/elastic/elasticsearch-php) - The official client library for [ElasticSearch](https://www.elastic.co/).
-* [Solarium](https://www.solarium-project.org/) - A client library for [Solr](https://lucene.apache.org/solr/).
-* [Sphinx Search](https://github.com/ripaclub/sphinxsearch) - Sphinx Search library provides SphinxQL indexing and searching features
-* [SphinxQL query builder](https://foolcode.github.io/SphinxQL-Query-Builder/) - A query library for the [Sphinx](https://sphinxsearch.com/) search engine.
+* [Solarium](https://www.solarium-project.org/) - A client library for [Solr](https://solr.apache.org/).
+* [SphinxQL Query Builder](https://foolcode.github.io/SphinxQL-Query-Builder/) - A query library for the [Sphinx](https://sphinxsearch.com/) and [Manticore](https://manticoresearch.com/) search engines.
 
 ### Command Line
 *Libraries related to the command line.*
 * [Cron Expression](https://github.com/mtdowling/cron-expression) - A library to calculate cron run dates.
 * [GetOpt](https://github.com/getopt-php/getopt-php) - A command line opt parser.
 * [GetOptionKit](https://github.com/c9s/GetOptionKit) - Another command line opt parser.
-* [Hoa Console](https://github.com/hoaproject/Console) - Another command line library.
 * [PsySH](https://github.com/bobthecow/psysh) - Another PHP REPL.
 * [ShellWrap](https://github.com/MrRio/shellwrap) - A simple command line wrapper library.
 
 * [OAuth2 Server](https://bshaffer.github.io/oauth2-server-php-docs/) - Another OAuth2 server implementation.
 * [OAuth2 Server](https://oauth2.thephpleague.com/) - An OAuth2 authentication server, resource server and client library.
 * [Opauth](https://github.com/opauth/opauth) - A multi-provider authentication framework.
+* [Paseto](https://github.com/paragonie/paseto) - Platform-Agnostic Security Tokens.
 * [PHP oAuthLib](https://github.com/Lusitanian/PHPoAuthLib) - Another OAuth library.
 * [Sentinel Social](https://cartalyst.com/manual/sentinel-social/2.0) - A library for social network authentication.
 * [Sentinel](https://cartalyst.com/manual/sentinel/2.0) - A framework agnostic authentication & authorisation library.
 * [TwitterOAuth](https://github.com/abraham/twitteroauth) - A Twitter OAuth library.
 
-### Markup
-*Libraries for working with markup.*
+### Markup and CSS
+*Libraries for working with markup and CSS formats.
 
 * [Cebe Markdown](https://github.com/cebe/markdown) - An fast and extensible Markdown parser.
 * [CommonMark PHP](https://github.com/thephpleague/commonmark) - Highly-extensible Markdown parser which fully supports the [CommonMark spec](https://spec.commonmark.org/).
 * [Decoda](https://github.com/milesj/decoda) - A lightweight markup parser library.
-* [Emoji](https://github.com/heyupdate/Emoji) - A library that converts unicode characters and names into emoji images.
+* [Essence](https://github.com/essence/essence) - A library for extracting web media.
+* [Embera](https://github.com/mpratt/Embera) - An Oembed consumer library.
 * [HTML to Markdown](https://github.com/thephpleague/html-to-markdown) - Converts HTML into Markdown.
 * [HTML5 PHP](https://github.com/Masterminds/html5-php) - An HTML5 parser and serializer library.
 * [Parsedown](https://github.com/erusev/parsedown) - Another Markdown parser.
+* [PHP CSS Parser](https://github.com/sabberworm/PHP-CSS-Parser) - A Parser for CSS Files written in PHP.
 * [PHP Markdown](https://github.com/michelf/php-markdown) - A Markdown parser.
+* [Shiki PHP](https://github.com/spatie/shiki-php) - A [Shiki](https://github.com/shikijs/shiki) code highlighting package in PHP.
+* [VObject](https://github.com/sabre-io/vobject) - A library for parsing VCard and iCalendar objects.
+
+### JSON
+*Libraries for working with JSON.*
+
+* [JSON Lint](https://github.com/Seldaek/jsonlint) - A JSON lint utility.
+* [JSONMapper](https://github.com/JsonMapper/JsonMapper) - A library for mapping JSON to PHP objects.
 
 ### Strings
 *Libraries for parsing and manipulating strings.*
 * [ANSI to HTML5](https://github.com/sensiolabs/ansi-to-html) - An ANSI to HTML5 converter library.
 * [Color Jizz](https://github.com/mikeemoo/ColorJizz-PHP) - A library for manipulating and converting colours.
 * [Device Detector](https://github.com/matomo-org/device-detector) - Another library for parsing user agent strings.
-* [Hoa String](https://github.com/hoaproject/Ustring) - Another UTF-8 string library.
 * [Jieba-PHP](https://github.com/fukuball/jieba-php) - A PHP port of Python's jieba. Chinese text segmentation for natural language processing.
 * [Mobile-Detect](https://github.com/serbanghita/Mobile-Detect) - A lightweight PHP class for detecting mobile devices (including tablets).
 * [Patchwork UTF-8](https://github.com/nicolas-grekas/Patchwork-UTF8) - A portable library for working with UTF-8 strings.
+* [Portable ASCII](https://github.com/voku/portable-ascii) - A library to convert strings to ascii.
 * [Portable UTF-8](https://github.com/voku/portable-utf8) - A string manipulation library with UTF-8 safe replacement methods.
 * [Slugify](https://github.com/cocur/slugify) - A library to convert strings to slugs.
 * [SQL Formatter](https://github.com/jdorn/sql-formatter/) - A library for formatting SQL statements.
-* [Stringy](https://github.com/danielstjules/Stringy) - A string manipulation library with multibyte support.
+* [Stringy](https://github.com/voku/Stringy) - A string manipulation library with multibyte support.
 * [UA Parser](https://github.com/tobie/ua-parser/tree/master/php) - A library for parsing user agent strings.
 * [URLify](https://github.com/jbroadway/urlify) - A PHP port of Django's URLify.js.
 * [UUID](https://github.com/ramsey/uuid) - A library for generating UUIDs.
 ### Numbers
 *Libraries for working with numbers.*
 
+* [Brick\Math](https://github.com/brick/math) - A library providing large number support: `BigInteger`, `BigDecimal` and `BigRational`.
 * [ByteUnits](https://github.com/gabrielelana/byte-units) - A library to parse, format and convert byte units in binary and metric systems.
+* [DecimalObject](https://github.com/spryker/decimal-object) - A value object to handle decimals/floats easily and more precisely.
+* [IP](https://github.com/darsyn/ip) - An immutable value object for working with IPv4 and IPv6 addresses.
 * [LibPhoneNumber for PHP](https://github.com/giggsey/libphonenumber-for-php) - A PHP implementation of Google's phone number handling library.
 * [PHP Conversion](https://github.com/Crisu83/php-conversion) - Another library for converting between units of measure.
 * [PHP Units of Measure](https://github.com/triplepoint/php-units-of-measure) - A library for converting between units of measure.
+* [MathPHP](https://github.com/markrogoyski/math-php) - A math library for PHP. 
 
 ### Filtering and Validation
 *Libraries for filtering and validating data.*
 
 * [Assert](https://github.com/beberlei/assert) - A validation library with a rich set of assertions. Supports assertion chaining and lazy assertions.
 * [Aura.Filter](https://github.com/auraphp/Aura.Filter) - Provides tools to validate and sanitize objects and arrays.
-* [Cake Validation](https://github.com/cakephp/validation) - Another validation library (CP).
+* [CakePHP Validation](https://github.com/cakephp/validation) - Another validation library.
 * [Filterus](https://github.com/ircmaxell/filterus) - A simple PHP filtering library.
 * [ISO-codes](https://github.com/ronanguilloux/IsoCodes) - A library for validating inputs according standards from ISO, International Finance, Public Administrations, GS1, Book Industry, Phone numbers & Zipcodes for many countries.
 * [JSON Schema](https://github.com/justinrainbow/json-schema) - A [JSON Schema](https://json-schema.org/) validation library.
 *Libraries and web tools for developing APIs.*
 
 * [API Platform](https://api-platform.com ) - Expose in minutes an hypermedia REST API that embraces JSON-LD, Hydra format.
-* [Apigility](https://github.com/zfcampus/zf-apigility-skeleton) - An API builder built with Zend Framework 2.
+* [Laminas API Tool Skeleton](https://github.com/laminas-api-tools/api-tools-skeleton) - An API builder built with the Laminas Framework.
 * [Drest](https://github.com/leedavis81/drest) - A library for exposing Doctrine entities as REST resource endpoints.
 * [HAL](https://github.com/blongden/hal) - A Hypertext Application Language (HAL) builder library.
 * [Hateoas](https://github.com/willdurand/Hateoas) - A HATEOAS REST web service library.
+* [Jane](https://github.com/janephp/janephp/) - An OpenApi client generator with validation support.
 * [Negotiation](https://github.com/willdurand/Negotiation) - A content negotiation library.
 * [Restler](https://github.com/Luracast/Restler) - A lightweight framework to expose PHP methods as RESTful web API.
 * [wsdl2phpgenerator](https://github.com/wsdl2phpgenerator/wsdl2phpgenerator) - A tool to generate PHP classes from SOAP WSDL files.
 
-### Caching
-*Libraries for caching data.*
+### Caching and Locking
+*Libraries for caching data and acquiring locks.*
 
-* [Alternative PHP Cache (APC)](https://secure.php.net/manual/en/book.apc.php) - Open opcode cache for PHP.
 * [APIx Cache](https://github.com/apix/cache) - A thin PSR-6 cache wrapper to various caching backends emphasising cache tagging and indexing.
 * [CacheTool](https://github.com/gordalina/cachetool) - A tool to clear APC/opcode caches from the command line.
-* [Cake Cache](https://github.com/cakephp/cache) - A caching library (CP).
+* [CakePHP Cache](https://github.com/cakephp/cache) - A caching library.
 * [Doctrine Cache](https://github.com/doctrine/cache) - A caching library.
 * [Metaphore](https://github.com/sobstel/metaphore) - Cache slam defense using a semaphore to prevent dogpile effect.
 * [Stash](https://github.com/tedious/Stash) - Another library for caching.
-* [Zend Cache](https://github.com/zendframework/zend-cache) - Another caching library (ZF2).
+* [Laminas Cache](https://github.com/laminas/laminas-cache) - Another caching library.
+* [Lock](https://github.com/php-lock/lock) - A lock library to provide exclusive execution.
 
 ### Data Structure and Storage
 *Libraries that implement data structure or storage techniques.*
 
-* [Cake Collection](https://github.com/cakephp/collection) - A simple collections library (CP).
+* [CakePHP Collection](https://github.com/cakephp/collection) - A simple collections library.
 * [Fractal](https://github.com/thephpleague/fractal) - A library for converting complex data structures to JSON output.
 * [Ginq](https://github.com/akanehara/ginq) - Another PHP library based on .NET's LINQ.
 * [JsonMapper](https://github.com/cweiske/jsonmapper) - A library that maps nested JSON structures onto PHP classes.
 * [Knapsack](https://github.com/DusanKasan/Knapsack) - Collection library inspired by Clojure's sequences.
 * [msgpack.php](https://github.com/rybakit/msgpack.php) - A pure PHP implementation of the [MessagePack](https://msgpack.org/) serialization format.
 * [PINQ](https://github.com/TimeToogo/Pinq) - A PHP library based on .NET's LINQ (Language Integrated Query).
-* [Porter](https://github.com/ScriptFUSION/Porter) - Data import abstraction framework.
 * [Serializer](https://github.com/schmittjoh/serializer) - A library for serialising and de-serialising data.
 * [YaLinqo](https://github.com/Athari/YaLinqo) - Yet Another LINQ to Objects for PHP.
-* [Zend Serializer](https://github.com/zendframework/zend-serializer) - Another library for serialising and de-serialising data (ZF2).
+* [Laminas Serializer](https://github.com/laminas/laminas-serializer) - Another library for serialising and de-serialising data.
 
 ### Notifications
 *Libraries for working with notification software.*
 *Libraries for Internationalization (I18n) and Localization (L10n).*
 
 * [Aura.Intl](https://github.com/auraphp/Aura.Intl) - Provides internationalization (I18N) tools, specifically package-oriented per-locale message translation.
-* [Cake I18n](https://github.com/cakephp/i18n) - Message translation and localization for dates and numbers (CP)
+* [CakePHP I18n](https://github.com/cakephp/i18n) - Message translation and localization for dates and numbers.
 
 ### Serverless
 *Libraries and tools to help build serverless web applications.*
 
 * [Bref](https://bref.sh/) - Serverless PHP on AWS Lambda.
-* [OpenWhisk](http://openwhisk.apache.org/) - An open source serverless cloud platform.
-* [Serverless Framework](https://serverless.com/cli/) - An open source framework for building serverless applications.
+* [OpenWhisk](https://openwhisk.apache.org/) - An open-source serverless cloud platform.
+* [Serverless Framework](https://www.serverless.com/framework) - An open-source framework for building serverless applications.
 * [Laravel Vapor](https://vapor.laravel.com/) - A serverless deployment platform for Laravel, powered by AWS.
 
 ## Configuration
 
 * [PHP Dotenv](https://github.com/vlucas/phpdotenv) - Parse and load environment variables from `.env` files.
 * [Symfony Dotenv](https://github.com/symfony/dotenv)- Parse and load environment variables from `.env` files.
+* [Yo! Symfony TOML](https://github.com/yosymfony/toml) - A PHP parser for [TOML](https://github.com/toml-lang/toml). 
 
 ### Third Party APIs
 *Libraries for accessing third party APIs.*
 
 * [Amazon Web Service SDK](https://github.com/aws/aws-sdk-php) - The official PHP AWS SDK library.
+* [AsyncAWS](https://async-aws.com/) - An unofficial asynchronous PHP AWS SDK.
 * [Campaign Monitor](https://campaignmonitor.github.io/createsend-php/) - The official Campaign Monitor PHP library.
-* [Dropbox SDK](https://github.com/dropbox/dropbox-sdk-php) - The official PHP Dropbox SDK library.
 * [Github](https://github.com/KnpLabs/php-github-api) - A library to interface with the Github API.
 * [Mailgun](https://github.com/mailgun/mailgun-php) The official Mailgun PHP API.
+* [Square](https://github.com/square/connect-php-sdk) - The official Square PHP SDK for payments and other Square APIs.
 * [Stripe](https://github.com/stripe/stripe-php) - The official Stripe PHP library.
 * [Twilio](https://github.com/twilio/twilio-php) - The official Twilio PHP REST API.
 
 *Libraries to help build PHP extensions.*
 
 * [PHP CPP](https://www.php-cpp.com/) - A C++ library for developing PHP extensions.
-* [Zephir](https://github.com/phalcon/zephir) - A compiled language between PHP and C++ for developing PHP extensions.
+* [Zephir](https://github.com/zephir-lang/zephir ) - A compiled language between PHP and C++ for developing PHP extensions.
 
 ### Miscellaneous
-*Useful libraries or tools that don't fit in the categories above.*
+*Useful libraries or utilities that don't fit into the categories above.*
 
-* [Annotations](https://github.com/doctrine/annotations) - An annotations library (part of Doctrine).
+* [Annotations](https://github.com/doctrine/annotations) - An annotation library (part of Doctrine).
 * [BotMan](https://github.com/botman/botman) - A framework agnostic PHP library to build cross-platform chat bots.
-* [Cake Utility](https://github.com/cakephp/utility) - Utility classes such as Inflector, String, Hash, Security and Xml (CP).
-* [Chief](https://github.com/adamnicholson/Chief) - A command bus library.
 * [ClassPreloader](https://github.com/ClassPreloader/ClassPreloader) - A library for optimising autoloading.
-* [Country List](https://github.com/umpirsky/country-list) - A list of all countries with names and ISO 3166-1 codes.
-* [Embera](https://github.com/mpratt/Embera) - An Oembed consumer library.
-* [Essence](https://github.com/essence/essence) - A library for extracting web media.
-* [Graphviz](https://github.com/alexandresalome/graphviz) - A Graphviz library.
-* [Hprose-PHP](https://github.com/hprose/hprose-php) - A very newbility RPC Library, support 25+ languages now.
-* [JSON Lint](https://github.com/Seldaek/jsonlint) - A JSON lint utility.
-* [JSONPCallbackValidator](https://github.com/willdurand/JsonpCallbackValidator) - A library for validating JSONP callbacks.
-* [Lock](https://github.com/php-lock/lock) - A lock library to provide exclusive execution.
-* [Metrics](https://github.com/beberlei/metrics) - A simple metrics API library.
+* [Hprose-PHP](https://github.com/hprose/hprose-php) - A cross-language RPC.
 * [noCAPTCHA](https://github.com/ARCANEDEV/noCAPTCHA) - Helper for Google's noCAPTCHA (reCAPTCHA).
-* [Nmap](https://github.com/willdurand/nmap) - A PHP wrapper around [Nmap](https://nmap.org/).
 * [Pagerfanta](https://github.com/whiteoctober/Pagerfanta) - A pagination library.
-* [PHP PassBook](https://github.com/eymengunay/php-passbook) - A PHP library for iOS PassBook.
-* [PHP-ML](https://github.com/php-ai/php-ml) - A library for Machine Learning in PHP.
-* [PHPCR](https://github.com/phpcr/phpcr) - A PHP port of the Java Content Repository (JCR).
-* [PHPStack](http://dunkels.com/adam/phpstack/) - A TCP/IP stack proof of concept written in PHP.
-* [print_o](https://github.com/koriym/print_o) - An object graph visualizer.
-* [Procrastinator](https://github.com/lstrojny/Procrastinator) - A library for running time consuming tasks.
-* [Prooph Service Bus](https://github.com/prooph/service-bus) - Lightweight message bus supporting CQRS and Micro Services
-* [RMT](https://github.com/liip/RMT) - A library for versioning and releasing software.
-* [sabre/vobject](https://github.com/sabre-io/vobject) - A library for parsing VCard and iCalendar objects.
 * [Safe](https://github.com/thecodingmachine/safe) - All PHP functions, rewritten to throw exceptions instead of returning false.
-* [Slimdump](https://github.com/webfactory/slimdump) - An easy dumper tool for MySQL.
-* [Spork](https://github.com/kriswallsmith/spork) - A process forking library.
 * [SuperClosure](https://github.com/jeremeamia/super_closure) - A library that allows Closures to be serialized.
-* [Symfony VarDumper](https://github.com/symfony/var-dumper) - A variable dumper component (SF).
-* [Underscore](https://anahkiasen.github.io/underscore-php/) - A PHP port of the Underscore JS library.
-* [Whoops](https://github.com/filp/whoops) - A pretty error handling library.
 
 # Software
 *Software for creating a development environment.*
 ### PHP Installation
 *Tools to help install and manage PHP on your computer.*
 
-* [HomeBrew](https://brew.sh/) - A package manager for OSX.
 * [Brew PHP Switcher](https://github.com/philcook/brew-php-switcher) - Brew PHP switcher.
+* [HomeBrew](https://brew.sh/) - A package manager for OSX.
+* [Laravel Valet](https://laravel.com/docs/master/valet) - A development environment for macOS.
 * [PHP Brew](https://github.com/phpbrew/phpbrew) - A PHP version manager and installer.
 * [PHP Build](https://github.com/php-build/php-build) - Another PHP version installer.
 * [PHP OSX](https://php-osx.liip.ch/) - A PHP installer for OSX.
-* [VirtPHP](http://virtphp.org/) - A tool for creating and managing isolated PHP environments.
 
 ### Development Environment
-*Software and tools for creating a sandboxed development environment.*
+*Software and tools for creating and sharing a development environment.*
 
 * [Ansible](https://www.ansible.com/) - A radically simple orchestration framework.
-* [Phansible](http://phansible.com/) - A web tool for building PHP development virtual machines with Ansible.
-* [Protobox](https://www.getprotobox.com/) - Another web tool for building PHP development virtual machines.
-* [PuPHPet](https://puphpet.com/) - A web tool for building PHP development virtual machines.
+* [Docker](https://www.docker.com/) - A containerization platform.
+* [Docker PHP Extension Installer](https://github.com/mlocati/docker-php-extension-installer) - Easily install PHP extensions in Docker containers.
+* [Expose](https://github.com/beyondcode/expose) - An open source PHP tunneling service.
+* [Lando](https://lando.dev/) - Push-button development environments.
+* [Laravel Homestead](https://laravel.com/docs/master/homestead) - A local development environment for Laravel. 
+* [Laradock](http://laradock.io/) - A full PHP development environment based on Docker.
 * [Puppet](https://puppet.com/) - A server automation framework and application.
+* [Takeout](https://github.com/tighten/takeout) - A Docker-based development-only dependency manager.
 * [Vagrant](https://www.vagrantup.com/) - A portable development environment utility.
-* [Docker](https://www.docker.com/) - A containerization platform.
 
 ### Virtual Machines
 *Alternative PHP virtual machines.*
 
 * [Hack](https://hacklang.org/) - A programming language for HHVM.
 * [HHVM](https://github.com/facebook/hhvm) - A Virtual Machine, Runtime and JIT for PHP by Facebook.
+* [PeachPie](https://github.com/peachpiecompiler/peachpie) - PHP compiler and runtime for .NET and .NET Core.
 
 ### Text Editors and IDEs
 *Text Editors and Integrated Development Environments (IDE) with support for PHP.*
 
-* [Atom](https://atom.io/) - A hackable text editor.
-* [Atom IDE](https://ide.atom.io/) - An IDE extension for Atom.
 * [Eclipse for PHP Developers](https://www.eclipse.org/downloads/) - A PHP IDE based on the Eclipse platform.
-* [Netbeans](https://netbeans.org) - An IDE with support for PHP and HTML5.
+* [Apache NetBeans](https://netbeans.apache.org/) - An IDE with support for PHP and HTML5.
 * [PhpStorm](https://www.jetbrains.com/phpstorm/) - A commercial PHP IDE.
 * [VS Code](https://code.visualstudio.com/) - An open source code editor.
 
 *Web-based applications and tools.*
 
 * [3V4L](https://3v4l.org/) - An online PHP & HHVM shell.
-* [DBV](https://dbv.vizuina.com/) - A database version control application.
-* [PHP Queue](https://github.com/CoderKungfu/php-queue) - An application for managing queueing backends.
-* [MailCatcher](https://github.com/sj26/mailcatcher) - A web tool for capturing and viewing emails.
-* [Cachet](https://github.com/cachethq/cachet) - The open source status page system.
-* [phpRedisAdmin](https://github.com/ErikDubbelboer/phpRedisAdmin) - A simple web interface to manage [Redis](https://redis.io/) databases.
-* [phpMyAdmin](https://github.com/phpmyadmin/phpmyadmin) - A web interface for MySQL/MariaDB.
 * [Adminer](https://www.adminer.org/) - Database management in a single PHP file.
+* [Cachet](https://github.com/cachethq/cachet) - The open source status page system.
+* [DBV](https://github.com/victorstanciu/dbv) - A database version control application.
 * [Lychee](https://github.com/electerious/Lychee) - An easy to use and great looking photo-management-system.
-* [Leantime](https://leantime.io) - Lean project management system for small teams and startups
+* [Leantime](https://leantime.io) - Strategic project management system for the non project manager
+* [MailCatcher](https://github.com/sj26/mailcatcher) - A web tool for capturing and viewing emails.
+* [phpMyAdmin](https://github.com/phpmyadmin/phpmyadmin) - A web interface for MySQL/MariaDB.
+* [PHP Queue](https://github.com/CoderKungfu/php-queue) - An application for managing queueing backends.
+* [phpRedisAdmin](https://github.com/ErikDubbelboer/phpRedisAdmin) - A simple web interface to manage [Redis](https://redis.io/) databases.
+* [PHPSandbox](https://phpsandbox.io) - An online IDE for PHP in the browser.
+
 
 ### Infrastructure
 *Infrastructure for providing PHP applications and services.*
 
 * [appserver.io](https://github.com/appserver-io/appserver) - A multithreaded application server for PHP, written in PHP.
 * [php-pm](https://github.com/php-pm/php-pm) - A process manager, supercharger and load balancer for PHP applications.
-* [RoadRunner](https://github.com/spiral/roadrunner) - High-performance PHP application server, load-balancer and process manager.
+* [RoadRunner](https://github.com/roadrunner-server/roadrunner) - High-performance PHP application server, load-balancer and process manager.
 
 # Resources
 Various resources, such as books, websites and articles, for improving your PHP development skills and knowledge.
 
 * [libs.garden: PHP](https://libs.garden/php) - An overview of fastest growing PHP libraries.
 * [Nomad PHP](https://nomadphp.com/) - A online PHP learning resource.
+* [Laravel News](https://laravel-news.com/) - The official Laravel blog.
+* [PHP Annotated Monthly](https://blog.jetbrains.com/phpstorm/tag/php-annotated-monthly/) - A monthly digest of PHP news.
 * [PHP Best Practices](https://phpbestpractices.org/) - A PHP best practice guide.
 * [PHP FIG](https://www.php-fig.org/) - The PHP Framework Interoperability Group.
 * [PHP Package Development Standards](http://php-pds.com) - Package development standards for PHP.
 * [PHP The Right Way](https://phptherightway.com/) - A PHP best practice quick reference guide.
 * [PHP UG](https://php.ug) - A website to help people locate their nearest PHP user group (UG).
 * [PHP Versions](http://phpversions.info/) - Lists which versions of PHP are available on several popular web hosts.
-* [PHP Weekly](http://www.phpweekly.com/archive.html) - A weekly PHP newsletter.
-* [Securing PHP](https://www.securingphp.com/) - A newsletter about PHP security and library recommendations.
+* [PHP Watch](https://php.watch/) - PHP articles, news, upcoming changes, RFCs and more.
+* [PHP Weekly](https://www.phpweekly.com/archive.html) - A weekly PHP newsletter.
 * [Seven PHP](https://7php.com/) - A website that interviews members of the PHP community.
-* [PHP Annotated Monthly](https://blog.jetbrains.com/phpstorm/category/php-annotated-monthly/) - A monthly digest of PHP news.
-
-### Other Websites
-*Useful websites related to web development.*
-
-* [Atlassian Git Tutorials](https://www.atlassian.com/git) - A series of Git tutorials.
-* [Learning Linux](https://linuxjourney.com/) - A website for learning Linux.
-* [Semantic Versioning](https://semver.org/) - A website explaining semantic versioning.
-* [Servers for Hackers](https://serversforhackers.com/) - A newsletter about server management.
-* [The Open Web Application Security Project (OWASP)](https://www.owasp.org/index.php/Main_Page) - An open software security community.
 
 ### PHP Books
 *Fantastic PHP-related books.*
 
+* [Domain-Driven Design in PHP](https://leanpub.com/ddd-in-php) - Real examples written in PHP showcasing DDD Architectural Styles.
 * [Functional Programming in PHP](https://www.functionalphp.com/) - This book will show you how to leverage these new PHP5.3+ features by understanding functional programming principles
 * [Grumpy PHPUnit](https://leanpub.com/grumpy-phpunit) - A book about unit testing with PHPUnit by Chris Hartjes.
 * [Mastering Object-Orientated PHP](https://www.brandonsavage.net/) - A book about object-orientated PHP by Brandon Savage.
-* [Modern PHP New Features and Good Practices](http://shop.oreilly.com/product/0636920033868.do) - A book about new PHP features and best practices by Josh Lockhart.
+* [Modern PHP New Features and Good Practices](https://www.oreilly.com/library/view/~/9781491905173/) - A book about new PHP features and best practices by Josh Lockhart.
 * [Modernizing Legacy Applications in PHP](https://leanpub.com/mlaphp) - A book about modernizing legacy PHP applications by Paul M. Jones.
 * [PHP 7 Upgrade Guide](https://leanpub.com/php7) - An ebook covering all of the features and changes in PHP 7 by Colin O'Dell.
 * [PHP Pandas](https://daylerees.com/php-pandas/) - A book about learning to write PHP by Dayle Rees.
 * [Signaling PHP](https://leanpub.com/signalingphp) - A book about catching PCNTL signals in CLI scripts by Cal Evans.
 * [The Grumpy Programmer's Guide to Building Testable PHP Applications](https://leanpub.com/grumpy-testing) - A book about building testing PHP applications by Chris Hartjes.
 * [XML Parsing with PHP](https://www.phparch.com/books/xml-parsing-with-php/) - This book covers parsing and validating XML documents, leveraging XPath expressions, and working with namespaces as well as how to create and modify XML files programmatically.
-* [Domain-Driven Design in PHP](https://leanpub.com/ddd-in-php) - Real examples written in PHP showcasing DDD Architectural Styles.
-
-### Other Books
-*Books related to general computing and web development.*
-
-* [Elasticsearch: The Definitive Guide](https://www.elastic.co/guide/index.html) - A guide to working with Elasticsearch by Clinton Gormley and Zachary Tong.
-* [Eloquent JavaScript](https://eloquentjavascript.net/) - A book about JavaScript programming by Marijn Haverbeke.
-* [Head First Design Patterns](https://www.oreilly.com/library/view/head-first-design/0596007124/) - A book that expains software design patterns.
-* [Pro Git](https://git-scm.com/book/en/v2) - A book about Git by Scott Chacon and Ben Straub.
-* [The Linux Command Line](http://linuxcommand.org/tlcl.php) - A book about the Linux command line by William Shotts.
-* [The Tangled Web — Securing Web Applications](https://www.amazon.com/Tangled-Web-Securing-Modern-Applications/dp/1593273886) - A book about securing web applications by Michal Zalewski.
-* [Understanding Computation](https://computationbook.com) - A book about computation theory by Tom Stuart.
-* [Vagrant Cookbook](https://leanpub.com/vagrantcookbook) - A book about creating Vagrant environments by Erika Heidi.
 
 ### PHP Videos
 *Fantastic PHP-related videos.*
 * [PHP UK Conference](https://www.youtube.com/user/phpukconference/videos) - A collection of videos from the PHP UK Conference.
 * [Programming with Anthony](https://www.youtube.com/playlist?list=PLM-218uGSX3DQ3KsB5NJnuOqPqc5CW2kW) - A video series by Anthony Ferrara.
 * [Taking PHP Seriously](https://www.infoq.com/presentations/php-history/) - A talk outlining PHP's strengths by Keith Adams of Facebook.
+* [Laracasts](https://laracasts.com) - Screencasts about Laravel, Vue JS and more.
+* [Laravel YouTube Channel](https://www.youtube.com/channel/UCfO2GiQwb-cwJTb1CuRSkwg) - The official Laravel YouTube channel.
+* [SymfonyCasts](https://symfonycasts.com/) - Screencasts and tutorials about PHP and Symfony.
 
 ### PHP Podcasts
 *Podcasts with a focus on PHP topics.*
 
-* [PHP Internals New](https://phpinternals.news) - A podcast about PHP internals.
-* [PHP Roundtable](https://www.phproundtable.com/) - The PHP Roundtable is a casual gathering of developers discussing topics that PHP nerds care about.
+* [Laravel Podcast](https://laravelpodcast.com/) - Laravel and PHP development news and discussion.
+* [PHP Internals News](https://phpinternals.news) - A podcast about PHP internals.
+* [PHP Roundtable](https://phproundtable.com/) - The PHP Roundtable is a casual gathering of developers discussing topics that PHP nerds care about.
 * [PHP Town Hall](https://phptownhall.com/) - A casual PHP podcast by Ben Edmunds and Phil Sturgeon.
 * [Voices of the ElePHPant](https://voicesoftheelephpant.com/) Interviews with the people that make the PHP community special.
 
+### PHP Newsletters
+*PHP-related news directly to your inbox.*
+
+* [PHP Weekly](https://www.phpweekly.com/) - A weekly newsletter about PHP.
+
 ### PHP Reading
-*PHP-releated reading materials.*
-
-* [Composer Primer](https://daylerees.com/composer-primer/) - A Composer primer.
-* [Composer Stability Flags](https://igor.io/2013/02/07/composer-stability-flags.html) - An article about Composer stability flags.
-* [Composer Versioning](https://igor.io/2013/01/07/composer-versioning.html) - An article about Composer versioning.
-* [Create Your Own PHP Framework](http://fabien.potencier.org/create-your-own-framework-on-top-of-the-symfony2-components-part-1.html) - A series of articles on how to make your own PHP framework by Fabien Potencier.
-* [Don't Worry About BREACH](https://blog.ircmaxell.com/2013/08/dont-worry-about-breach.html) - An article about the BREACH hack and CSRF tokens.
-* [On PHP 5.3, Lambda Functions and Closures](http://fabien.potencier.org/on-php-5-3-lambda-functions-and-closures.html) - An article about lambda functions and closures.
-* [PHP Is Much Better Than You Think](http://fabien.potencier.org/php-is-much-better-than-you-think.html) - An article about the PHP language and ecosystem.
-* [PHP Package Checklist](https://phppackagechecklist.com/) - A checklist for successful PHP package development.
-* [PHP Sucks! But I Like It!](https://blog.ircmaxell.com/2012/04/php-sucks-but-i-like-it.html) - An article about the pros and cons of PHP.
-* [Preventing CSRF Attacks](https://blog.ircmaxell.com/2013/02/preventing-csrf-attacks.html) - An article on preventing CSRF attacks.
-* [Seven Ways to Screw Up BCrypt](https://blog.ircmaxell.com/2012/12/seven-ways-to-screw-up-bcrypt.html) - An article about correct BCrypt implementation.
-* [The 2018 Guide to Building Secure PHP Software](https://paragonie.com/blog/2017/12/2018-guide-building-secure-php-software) - A guide to building secure PHP software.
-* [Use Env](https://seancoates.com/blogs/use-env/) - An article about using the unix environment helper.
+*PHP-related reading materials.*
+
+* [php[architect]](https://www.phparch.com/magazine/) - A monthly magazine dedicated to PHP.
 
 ### PHP Internals Reading
 *Reading materials related to the PHP internals or performance.*
 
-* [Disproving the Single Quotes Myth](https://nikic.github.io/2012/01/09/Disproving-the-Single-Quotes-Performance-Myth.html) - An article about performance of single and double quoted strings.
-* [How Big Are PHP Arrays (And Values) Really?](https://nikic.github.io/2011/12/12/How-big-are-PHP-arrays-really-Hint-BIG.html) - An article about array internals.
-* [How Foreach Works](https://stackoverflow.com/questions/10057671/how-does-php-foreach-actually-work/14854568#14854568) - A detailed StackOverflow answer about foreach.
-* [How Long is a Piece of String](http://blog.golemon.com/2006/06/how-long-is-piece-of-string.html) - An article about string internals.
-* [PHP Evaluation Order](https://gist.github.com/nikic/6699370) - An article about evaluation order in PHP.
-* [PHP Internals Book](http://www.phpinternalsbook.com) - An online book about PHP internals, written by three core developers.
 * [PHP RFCs](https://wiki.php.net/rfc) - The home of PHP RFCs (Request for Comments).
-* [Print vs Echo, Which One is Faster?](http://fabien.potencier.org/print-vs-echo-which-one-is-faster.html) - An article about print and echo performance.
-* [The PHP Ternary Operator. Fast or Not?](http://fabien.potencier.org/the-php-ternary-operator-fast-or-not.html) - An article ternary performance.
-* [Understanding OpCodes](http://blog.golemon.com/2008/01/understanding-opcodes.html) - An article about opcodes.
-* [When Does Foreach Copy?](https://nikic.github.io/2011/11/11/PHP-Internals-When-does-foreach-copy.html) - An article about the internals of foreach.
-* [Why Objects (Usually) Use Less Memory Than Arrays](https://gist.github.com/nikic/5015323) - An article about object and array internals.
-* [You're Being Lied To](http://blog.golemon.com/2007/01/youre-being-lied-to.html) - An article about internal ZVALs.
-* Collecting Garbage: [1](https://secure.php.net/manual/en/features.gc.refcounting-basics.php) [2](https://secure.php.net/manual/en/features.gc.collecting-cycles.php) [3](https://secure.php.net/manual/en/features.gc.performance-considerations.php) - A series about the PHP garbage collection internals.
-* PHP Source Code for Developers: [1](https://blog.ircmaxell.com/2012/03/phps-source-code-for-php-developers.html) [2](https://nikic.github.io/2012/03/16/Understanding-PHPs-internal-function-definitions.html) [3](https://blog.ircmaxell.com/2012/03/phps-source-code-for-php-developers_21.html) [4](https://nikic.github.io/2012/03/28/Understanding-PHPs-internal-array-implementation.html) - A series about the PHP source code.
-
-### PHP Magazines
-*Fantastic PHP-related magazines.*
-
-* [php[architect]](https://www.phparch.com/magazine/) - A monthly magazine dedicated to PHP.
+* [Externals](https://externals.io/) - PHP internal discussions. 
+* [PHP RFC Watch](https://php-rfc-watch.beberlei.de/) - Watch the latest PHP [RFCs](https://wiki.php.net/rfc).
+* [PHP Internals Book](https://www.phpinternalsbook.com/) - An online book about PHP internals, written by three core developers.