(Please check the answer and more question banks. https://blog.csdn.net/t707584896/article/details/128814999）
1. The PHP part
How PHP implements static
PHP classic four sorting algorithms
Common operating modes of PHP
PHP Common Design Patterns
How is the observer pattern implemented? How is the factory pattern implemented? How is the adapter pattern implemented? ...
PHP optimization scheme
The difference between session and cookie
How to implement user authentication not based on session and cookie.
What is CSRF attack, XSS attack? how to prevent
Do you understand RESTful API? Tell me what it's for.
Six principles of PHP design pattern
How to implement automatic loading? How to achieve it without composer? What is PSR-4?
What are abstract classes and interfaces
Understanding of Microservices
garbage collection mechanism
High concurrency solution
prevent sql injection
timing attack
What are the magic methods
What is the difference between object cloning and reference
What is composer? The meaning of composer? working principle
Second, the database
What are the three paradigms of database?
The storage engine of msyql, and their differences, the difference between myisam and innodb
What are mysql indexes and how do you index them?
mysql index optimization
The characteristics of mysql transactions
mysql read and write separation
How msyql divides tables, databases and tables
How a sql statement is executed
What is optimistic locking and what is pessimistic locking?
msyql index coverage and return table
msyql index failure
What is deadlock? What is a dirty read? Phantom reading? Non-repeatable read?
What to do if the CPU of the MySQL database soars to 100%?
What problems does MySQL master-slave replication solve?
What is the difference between binlog and redo log?
How to locate slow SQL?
How to optimize the query speed when there are over 100 million rows of data in a single MySQL table?
How to page query after tens of billions of data is divided into tables?
What is the difference between redis and memcache
What are the common data structures of redis
redis cache avalanche, cache penetration, cache breakdown
redis elimination strategy
How to implement redis distributed lock
Redis persistence mechanism
How does redis solve the problem of spike oversold
MySQL里有2000w数据,redis中只存20w数据,如何保证redis中数据都是热点数据
MQ消息队列你怎么选择，各大优劣
三、 服务器&其它方面
说下一些你常用的linux命令
Linux如何搭建LAMP环境
说下你对Docker的了解？
常用的服务端口号
api接口的安全性设计
如何防止数据重复提交，重复写入
SSO单点登陆
两台 mysql 服务器，其中一台挂了，怎么让业务端无感切换，并保证正常情况下讲台服务器的数据是一致的
微服务之间怎么通信
TCP三次握手四次挥手
做一个微信抢红包的功能
如何防止高并发
你们用哪种版本控制？如何避免代码冲突
正常请求一个php网站，在浏览器输入网址打开网站，显示网页。但是在整个请求流程中浏览器做什么？服务器又是怎么在后台执行的？接下来就简单解析下一个完整的PHP请求的执行过程。
你了解socket吗？
swoole的了解
workman的了解
协程的理解
Nginx+Php-fpm运行原理
遇到一个网站打开慢怎么排查
如何提高网站性能和并发能力
代理与反向代理