Using Composer 2.0 with PSR4. If you check the composer website… | by Vitaliy Dotsenko | Legacybeta | Medium
How to Autoload PHP Files & Classes (PSR-4) - PHP Composer Tutorial - YouTube
How to Use PSR-4 Autoloading WordPress Plugins | Tom McFarlin
Getting started with psr-4 autoload – I am a programmer, my memory is 512 MB
How to include PHP library file to autoload in Laravel | TL Dev Tech
GitHub - hongster/composer-psr4-autoload: This is an example of how to configure PSR-4 autoloading in Composer.
WordPress Plugin Development: Ditch Require and Use Composer!
PHP Boilerplate with composer psr-4, PHPunit and Travis-ci ready! I realized that I repeat these steps all time, then I made a Boilerplate, check it out on github. : r/PHP
php - Composer psr-4 autoload not working after deployment - Stack Overflow
PSR4 Autoloading your PHP files using Composer - The Web Tier
Composer Helpdesk
GitHub - wasay/php-composer-psr4-hello-world: This git repo is a basic tutorial/example/sample for php/composer/psr-4.
GitHub - pavlakis/psr4-with-composer: A basic example of structuring a project with PSR-4 and use it with composer.
PSR-0, PSR-4 and Source/Test Root support in PhpStorm 8 EAP | The PhpStorm Blog
PHP composer autoload always reports an error class not found | Develop Paper
PSR4 Autoloading your PHP files using Composer - The Web Tier