Internet companies recruit PHP
Guangdong Yulinmufeng Computer Technology Co., Ltd. Company introduction The advertising agency department of Yulinmufeng provides customers with comprehensive solutions for Internet promotion, including online advertising management services, precision marketing, performance marketing and media agency services. Yulinmufeng Computer Technology Co., Ltd. is headquartered in Guangzhou and has branches in Beijing. Mature concept: Starting from becoming a strategic partner of customers, the company uses high-quality marketing channels to provide customers with the most competitive and effective communication strategies and the most advantageous media implementation preferential policies. In precise solutions and excellent value-for-money services, we use time and practice to achieve "network win-win". Open-mindedness: YuLinMuFeng’s employees believe in freedom, simplicity and speed! Passion and sharing are our pursuit and our common belief. Rich experience: serving brand customers such as Samsung, Haichang Contact Lenses, Boloni Home Improvement, Master Kong, IBM, etc., as well as well-known Internet companies such as Taobao, Sina, Sohu, Qiyi, Youku, Meituan, Jiayuan, etc., providing customers with a variety of services. In terms of delivery channels, it has been widely praised by customers. Salary and benefits: YuLinMuFeng provides you with a salary that is higher than or equal to the market average; it implements a flexible welfare policy to provide each employee with a more targeted, effective and considerate welfare plan; the company regularly evaluates existing salary and benefits every year system, and at the same time adjust the salary based on market conditions, company performance and individual work performance to make it market competitive. Company website: www.ylmf.com We Yulin Mufeng people firmly believe that: wind and rain go together, and all the trees become a forest! Every day without dancing is a failure of life! We know deeply: In this urgent era, we cannot afford to lose at the cost of being slow! Senior PHP Engineer Job Responsibilities: 1. Responsible for demand analysis, architecture design, and functional design; 2. Responsible for system construction, deployment and implementation; Qualifications: 1. College degree or above, computer and related majors, more than 3 years of experience in PHP/Python/Scala/Ruby R&D; 2. Proficient in LAMP development, familiar with mysql database, and familiar with NoSQL products such as Redis and MangoDB; 3. Have experience in web optimization such as MemCached caching and static design; 4. Familiar with Linux operating system and Shell script programming experience; 5. Have certain experience in system architecture design; 6. Priority will be given to those who have knowledge about machine learning and other fields, or have worked on recommendation systems; 7. Good at communicating and cooperating with others, possessing team spirit, good self-learning ability, and able to adapt to work under high pressure. Interested parties please send your resume to: Hrbj@ylmf.com: QQ: 1461170614 010-59006162-8051 / 13811386034 |

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JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

Session hijacking can be achieved through the following steps: 1. Obtain the session ID, 2. Use the session ID, 3. Keep the session active. The methods to prevent session hijacking in PHP include: 1. Use the session_regenerate_id() function to regenerate the session ID, 2. Store session data through the database, 3. Ensure that all session data is transmitted through HTTPS.

The enumeration function in PHP8.1 enhances the clarity and type safety of the code by defining named constants. 1) Enumerations can be integers, strings or objects, improving code readability and type safety. 2) Enumeration is based on class and supports object-oriented features such as traversal and reflection. 3) Enumeration can be used for comparison and assignment to ensure type safety. 4) Enumeration supports adding methods to implement complex logic. 5) Strict type checking and error handling can avoid common errors. 6) Enumeration reduces magic value and improves maintainability, but pay attention to performance optimization.

The application of SOLID principle in PHP development includes: 1. Single responsibility principle (SRP): Each class is responsible for only one function. 2. Open and close principle (OCP): Changes are achieved through extension rather than modification. 3. Lisch's Substitution Principle (LSP): Subclasses can replace base classes without affecting program accuracy. 4. Interface isolation principle (ISP): Use fine-grained interfaces to avoid dependencies and unused methods. 5. Dependency inversion principle (DIP): High and low-level modules rely on abstraction and are implemented through dependency injection.

Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.

RESTAPI design principles include resource definition, URI design, HTTP method usage, status code usage, version control, and HATEOAS. 1. Resources should be represented by nouns and maintained at a hierarchy. 2. HTTP methods should conform to their semantics, such as GET is used to obtain resources. 3. The status code should be used correctly, such as 404 means that the resource does not exist. 4. Version control can be implemented through URI or header. 5. HATEOAS boots client operations through links in response.

In PHP, exception handling is achieved through the try, catch, finally, and throw keywords. 1) The try block surrounds the code that may throw exceptions; 2) The catch block handles exceptions; 3) Finally block ensures that the code is always executed; 4) throw is used to manually throw exceptions. These mechanisms help improve the robustness and maintainability of your code.

The main function of anonymous classes in PHP is to create one-time objects. 1. Anonymous classes allow classes without names to be directly defined in the code, which is suitable for temporary requirements. 2. They can inherit classes or implement interfaces to increase flexibility. 3. Pay attention to performance and code readability when using it, and avoid repeatedly defining the same anonymous classes.
