SWoole is a high-performance, asynchronous, event-driven PHP extension for building high-concurrency, low-latency web applications. Features include: high performance and scalability, asynchronous and non-blocking, low latency and other features Includes built-in HTTP and WebSocket servers, rich API and event callbacks, and support for coroutines.
SWoole Introduction
SWoole is a high-performance, asynchronous, event-driven PHP extension for building high-performance Concurrent, low-latency web applications.
Main features
High performance and scalability:
- Utilize multi-process and multi-threading to fully Utilize server hardware resources.
- Supports multi-protocol concurrent processing, such as HTTP, WebSocket and UDP.
Asynchronous and non-blocking:
- Based on the Reactor model, using the event loop mechanism to process requests.
- Will not block the PHP process, thereby improving concurrent processing capabilities.
Low latency:
- Use underlying I/O multiplexing technology such as epoll to achieve fast response.
- Optimize cache and data structure to reduce processing overhead.
Other features:
- Built-in HTTP and WebSocket servers.
- Provides rich API and event callbacks.
- Supports coroutines to simplify asynchronous programming.
- Compatible with PHP 7.0 and higher.
Application scenarios
SWoole is widely used in high-traffic and high-concurrency scenarios, such as:
- Web services
- WebSocket Service
- Live Chat
- Game Development
The above is the detailed content of what does swoole mean. For more information, please follow other related articles on the PHP Chinese website!

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