What are the functions of php cache?

The functions of PHP caching are: 1. Improve performance, reduce the number of visits to the database or other time-consuming resources, and speed up the response speed of the website; 2. Reduce database pressure and read data from the cache when the page is generated. , thereby alleviating the pressure on the database; 3. Improving user experience, which can speed up the loading speed of web pages and enable users to browse content quickly; 4. When reading data from the cache, it reduces the number of network communications and reduces the consumption of network bandwidth ; 5. Improve the scalability of the system, which can reduce frequent access to the database, thereby improving the scalability and pressure resistance of the system.

The operating environment of this article: Windows 10 system, php8.1.3 version, dell g3 computer.

PHP caching is a technology used to improve website performance and response speed. It reduces access to databases or other resources by storing data on the server or client. PHP caching has the following functions:

1. Improve performance: PHP caching can reduce the number of accesses to the database or other time-consuming resources, thereby speeding up the response speed of the website. When the data is cached, there is no need to perform the same query or calculation again, which can greatly reduce the load on the server.

2. Reduce database pressure: The database is one of the most frequently accessed resources in web applications, and is often one of the main causes of performance bottlenecks. By using PHP caching, reading data from the cache when the page is generated instead of getting the data from the database every time can reduce the number of visits to the database server, thereby easing the pressure on the database.

3. Improve user experience: The loading speed of the website is crucial to the user experience. By using PHP caching, web pages can be loaded faster, allowing users to browse content quickly, thereby improving user satisfaction and retention.

4. Reduce network bandwidth consumption: When reading data from the cache, there is no need to initiate a request again to obtain the data. This means that the number of network communications is reduced, thereby reducing network bandwidth consumption.

5. Improve system scalability: When the number of visits to the website increases, the load on the database will increase sharply. By using PHP caching, frequent access to the database can be reduced, thereby improving the scalability and pressure resistance of the system.

Summary

PHP caching is an important technical means that can effectively improve the performance and response speed of the website, reduce the pressure on the database, improve user experience, and reduce Network bandwidth consumption and enhanced system scalability. When developing and optimizing your website, proper use of PHP caching can be very beneficial.

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