It commonly refers to PHP 7+ paired with clean code practices and SOLID principles. The opposite is PHP5-style code from the early 2000s, no package management

It commonly refers to PHP 7+ paired with clean code practices and SOLID principles. The opposite is PHP5-style code from the early 2000s, no package management, no type strictness, no object orientation, just a giant spaghetti mix of JS, HTML, SQL and PHP in a 10kloc file.