I'll demonstrate in detail the top 10 features provided by PHP 8.1 so that you can start using them in your projects and improve your PHP experience. Beginners and experienced developers can benefit from this article
Special attention, please backup the entire site before updating, including backup procedures and databases. For the upgrade of a project that has been put into production, please focus on evaluating the upgrade cost
Bloom filter is a kind of random data structure with high space efficiency, which is specially used to detect whether there are specific elements in the set. The Bloom filter is a data structure composed of a bit array with a length of m bits and k independent hash functions.
The front end mainly displays and executes the corresponding operations. The specific implementation is to touch the corresponding function through the change of the drop-down box value
Opcache is a way to avoid the overhead of loading and parsing the PHP script each time by storing the pre-compiled bytecode (Operate Code) of the parsed PHP script in the shared memory. The parser can directly read the cached words from the shared memory. Operate Code, which greatly improves the execution efficiency of PHP
If you have a Symfony project that makes HTTP requests to your other projects (be it microservices, front-end and api separation projects, etc.), you may need to mock them for your tests.