Profiler in simple language can be considered as a program, which helps to check and report the performance of another program.
Today, I would like to shed some light on the Varnish cache and its implementation in Magento. I will show you the steps to install varnish software and configure it with the Magento installation.
The varnish is a “web accelerator” that acts as an HTTP reverse proxy. Basically, a reverse proxy is a type of proxy server which serves the request on the behalf of the actual server
As an extension developer we all know the importance of coding standards and removing unwanted code from our extension, in short, maintaining the code quality. We can get help from GrumPHP to validate our code and pass all quality checks.
Virtual types are a way to inject different dependencies into existing PHP classes without affecting other classes and without having to create a new class file.