Professional skills that PHP practitioners must master at different stages

PHP junior development engineer

Skills that PHP junior development engineer needs to master

1. Enter the world of PHP
Introduction to PHP, history of PHP version development , PHP salary level and career development, introduction to basic concepts in WEB development, PHP development environment construction, HTML CSS and other introductory content.

2.PHP basic syntax
Variables, data types, constants, flow control, operators, strings, arrays, functions, etc.

3. PHP Advanced
HTTP protocol, super global variables, session control (session, cookie), file system, uploading files, image processing, etc.

4. MySQL database
Library, table, field type, SQL statement, transaction, lock, table engine, index, function, stored procedure, view, etc.

5.PHP operation MySQL Database
Use mysql extension functions to operate the database to implement functions such as adding, deleting, modifying, checking, searching, sorting, and page turning.

6. Implement commonly used functional modules
Register, log in, remember login status, retrieve password, unlimited levels, permissions (RBAC), etc.

7. Website Security
SQL injection, XSS (cross-site scripting attack), CSRF (cross-site request forgery), ARP attack, DDOS attack, credential stuffing, phishing website, SSL, etc.

8. WeChat interface development
WeChat ID application, WeChat type, receiving messages, sending messages, WeChat JS-SDK, WeChat payment, etc.

9. Soket programming
socket, TCP/UDP, constructing HTTP protocol strings, sending protocols, XML, regular expressions, web page collection, etc.

10.PHP multi-user WeChat mall system.zip (practical tutorial)
Requirements analysis, WeChat interface development, database design, mall backend, front desk, WeChat payment, obtaining nearby restaurants based on geographical location and other functions.

PHP Intermediate Development Engineer

Skills that PHP Intermediate Development Engineer needs to master
11. Website performance optimization
Staticization, caching, delayed loading, database optimization (sub-table, SQL Optimization, etc.), pseudo-static, URL rewriting, opcode cache, browser cache, sphinx full-text index engine, etc.

12.Memcache and Redis
memcache: installation, configuration, storage principle, queue, session storage, distribution. redis: installation, configuration, data types (string, collection, hash, list, subscription, transaction, etc.).

13. Object-oriented programming
Classes, objects, encapsulation, inheritance, polymorphism, interfaces, magic methods, reflection, design patterns, etc.

14. Write MVC framework
Single entry, routing, controller, model, view, ORM, form validation, image processing, verification code, security, DB driver (mysqli, pdo), code generation, etc. .

15. Practical combat: online payment and other interfaces
Tencent video API, online payment (WeChat payment, Alipay payment, online banking payment), video permission control (anti-leeching), login, registration, etc.

16. Version control tool-SVN
Working copy, data warehouse, hook script, permissions, conflicts, commits, updates, branches, SVN server, ignore, properties, etc.

17. Front-end and mobile app interface development
Web Service RESTFUL, SOAP, RPC.

18.ThinkPHP Framework
Routing, controller, model, form validation, configuration, extension, cache, template, etc.

19. Develop TP version code generator
Generate configuration files, generate controllers, generate models, generate pages, generate form verification, generate image processing and other functions.

20. Use TP framework to develop electronic mall
Commodity, type, attribute, brand, classification, inventory, order management, shopping cart, Alipay payment, WeChat payment, browsing history, sales ranking, product search, QQ login, WeChat login, login, registration, password retrieval, forgotten password, etc.

PHP Senior Development Engineer

Skills that PHP Senior Development Engineer needs to master
21.Linux operating system
Permissions, file systems, hard disk partitions, users, groups, shell scripts, Software installation (rpm, tarball, yum), vim, system services, firewall, lamp and lnmp environment construction, etc.

22. Large website cluster architecture
High availability, load balancing, reverse proxy, CDN, MySQL master-slave replication, read and write separation, MongoDB, distributed file system, session sharing, Nginx high concurrency Server etc.

23. Message Queue
Use httpsqs, Redis, MemcacheQ, etc. to build a message queue to solve the problem of high concurrency, high performance and real-time asynchronousness of the website to improve website performance.

24. Popular tools
GIT, Composer package dependency manager.