Shulou(Shulou.com)06/03 Report--

This article introduces the relevant knowledge of "what are the binary cross-permission micro php classes". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Be pretty:

1. Many-to-many cross scene assignment

2. New features of php-closure use, batch function array_walk/array_flip use

3. Bit operation & use case

Use the scene:

1. Common additions, deletions, modifications and queries (the Nth power value of 2 is stored in the database)

2. Authentication, third-party account binding, multi-category selection

The copy code is as follows:

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.