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Technical Articles

Database

Application of PHP functions in caching

PHP cache functions improve performance by storing data in memory, including memcache(), memcache_connect(), memcache_set(), and memcache_get(). Memcached installation and configuration steps include installing, starting and enabling auto-start on Ubuntu. Practical examples demonstrate how to use PHP caching functions to obtain and store data from Memcached to connect to the server, store key-value pairs, and retrieve values.

Apr 15, 2024 pm 06:42 PM

缓存 php 键值对

How do PHP functions improve server performance?

5 PHP functions to optimize server performance: APC: caches compiled PHP scripts to increase loading speed. Memcached: Stores session data and frequently accessed data, reducing database queries. mysqli_prepare: Create prepared statements to reduce repeated processing and query time. array_chunk: Split an array into smaller chunks to facilitate processing of large amounts of data. microtime: Returns a microsecond timestamp, used to measure script execution time.

Apr 13, 2024 pm 06:36 PM

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Explore the use of caching technology in PHP function performance

Caching technology is widely used in PHP function performance, mainly by caching frequently accessed data into memory or files to improve function execution speed. Common PHP caching technologies include: Memory cache: Store data in the server's memory and access it very quickly. File cache: Stores data in files. The access speed is slower than the memory cache, but faster than the database query. By using caching, you can improve function performance by avoiding repeated execution of database queries or other time-consuming operations. For example, using the apc_store() and apc_fetch() functions to cache database query results into memory can significantly improve performance, especially in scenarios where user data is frequently accessed.

Apr 12, 2024 am 08:42 AM

缓存 php redis

Pitfalls and considerations in PHP function performance tuning

Notes on performance tuning of PHP functions: avoid over-optimization and focus on meaningful optimizations; use external and PHP caching to speed up access to data; always handle the return value of a function, even if it is a Boolean value; enable error_reporting to catch function call errors ; Optimize after benchmarking to identify application performance bottlenecks; use Xdebug to measure function execution times; prioritize optimizations based on impact scope; regularly review and re-evaluate optimizations to ensure their effectiveness and best practices.

Apr 12, 2024 am 08:39 AM

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PHP Function Performance Optimization Guide

In order to optimize PHP function performance, it is recommended to avoid unnecessary function calls. Cache function call results. Take advantage of PHP built-in extensions. Avoid passing large arrays and consider using reference parameters or JSON strings. By applying these best practices, you can significantly improve the speed of function calls, thereby improving the overall performance of your application.

Apr 11, 2024 pm 05:42 PM

php 性能优化 redis

Optimizing PHP functions: tips and considerations

You can significantly improve PHP function performance by following these optimization tips and considerations: Keep your functions simple. Avoid local variables and use global variables instead. Avoid using strings, use constants or enumerations instead. Use memory cache. Enable OPcache. At the same time, the following caveats need to be noted: Avoid recursion. Avoid anonymous functions. Avoid coupling. Use profiler. Regular review.

Apr 11, 2024 pm 05:39 PM

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Performance optimization tips for PHP functions

Tips to improve PHP function performance include: reducing function calls, caching results, optimizing parameter passing, performing parameter type checking, and using standard functions. In practice, cache-optimized inverted index search improves search speed by storing and retrieving cached data.

Apr 10, 2024 pm 12:00 PM

php 性能优化 redis

What are the swoole frameworks?

Swoole is a high-performance PHP framework designed for high-concurrency and high-load applications. Its main features include: event-driven engine to achieve non-blocking I/O; asynchronous programming to improve throughput and response time; coroutine mechanism to reduce task switching overhead; concurrent connection processing to achieve low latency and high throughput; HTTP/2 support, Improve transmission speed; database connection pool, optimize database access; cache support, improve performance and reduce queries; WebSocket support, realize real-time communication; scheduled task function, automated background processing.

Apr 09, 2024 pm 06:54 PM

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How is the performance of thinkphp?

ThinkPHP is a high-performance PHP framework with advantages such as caching mechanism, code optimization, parallel processing and database optimization. Official performance tests show that it can handle more than 10,000 requests per second and is widely used in large-scale websites and enterprise systems such as JD.com and Ctrip in actual applications.

Apr 09, 2024 pm 05:24 PM

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PHP server environment optimization tips: improve website performance and security

Optimizing the PHP server environment can significantly improve website performance and security. Methods include: enabling Opcache to increase script execution speed. Use Memcached to reduce database queries. Enable GZIP compression to reduce HTTP response size. Limit concurrent connections to prevent server overload. Disable unnecessary modules to improve performance and security. Optimize PHP configuration values to improve performance and security. Use PHPSecurityChecker to scan for security vulnerabilities.

Apr 09, 2024 pm 02:42 PM

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Efficiently query product data in PHP

In e-commerce, PHP methods for efficiently querying product data include: creating indexes to speed up searches. Use cache to store query results to avoid repeated queries. Use batch queries to retrieve multiple products at once to reduce the number of queries. Process large amounts of product data through paging, optimizing user interface and database performance.

Apr 09, 2024 pm 12:48 PM

高效查询商品数据 mysql redis

What are the application fields of Go language?

Go language is widely used in various fields, including: back-end services: high-performance network servers, database applications, caching systems. Distributed systems: microservice architecture, messaging system, container orchestration. Cloud Computing: Cloud native applications, infrastructure management, big data processing. Desktop applications: cross-platform GUI, CLI, Electron applications. Machine learning: numerical computing, machine learning framework, image processing.

Apr 03, 2024 pm 03:21 PM

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What to do if phpstudy cannot be started?

Solution to PHPStudy unable to start: 1. Check whether the port conflicts; 2. Make sure the service is started; 3. Check whether the configuration file is correct; 4. Check whether the installation path is correct; 5. Check the firewall settings; 6. Exclude anti-virus software or system resources Inadequacy and other reasons.

Apr 02, 2024 pm 02:15 PM

Which one has faster reading speed, mongodb or redis?

Redis reads faster than MongoDB. Reasons include: 1. Redis uses a simple key-value store, while MongoDB stores data in JSON format, which requires parsing and deserialization. 2. Redis uses hash tables to quickly find data, while MongoDB uses B-tree indexes. Therefore, Redis is a better choice in applications that require high-performance read operations.

Apr 02, 2024 pm 12:36 PM

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