Try Tideways PHP Profiler: Subscribe to my newsletter for PHP performance content: In this video I want to take a PHP 8.5 improvement to the garbage collector as an example, to explain the PHP garbage collector. Chapters: 00:43 Introduction 00:43 Blog: PHP 8.5 Garbage Collection Improvements 01:21 What do we actually gain? 08:22 Definition: “static fake closures” 15:52 Conclusion