How to use php to generate data in json format that can extract hierarchical structure?
WBOY
Release： 2016-08-23 09:02:25
Original
874 people have browsed it
The picture shows the structure of a table in the database, pid represents the id of the parent node of the current node How to use php to generate data in json format that can extract the hierarchical structure?
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
