Value Objects (VO) are a fundamental piece of Domain-Driven-Design (DDD) and object-oriented programming. They describe a concept of our domain layer.
As I already mentioned in the article Configuring Apache with PHP-FPM in CentOS/RHEL 7, PHP-FPM is a much more efficient to handle large volumes of queries. In this article we will see how to configure it in Ubuntu.
PHP-FPM, or PHP FastCGI Process Manager, is an alternative implementation of PHP FastCGI that can handle a high volume of queries. Combined with PHP 7, PHP-FPM achieves a higher level of performance than any previous version of PHP.
Phan is a static code analyzer that allows us to evaluate the code without executing it, identifying potential problems in early stages of the software life cycle. This provides us with significant cost savings, as we anticipate potential problems before they become reality.
PHP is one of the most widespread web programming languages on the Internet. There are currently three versions in active support, 7.1, 7.2, 7.3 and 7.4 which was released on November 28, 2019. It is advisable to always use the most stable version new, in this case it is 7.4, however, we can install any of these three versions on our system.