Swoole server provides the API to write TCP / UDP / UnixSocket servers.
Swoole HTTP server provides the API to write HTTP servers.
Swoole WebSocket server provides the API to write WebSocket servers.
Swoole Redis server provides the API to write TCP servers with Redis protocol.
Swoole client provide the API to write TCP/UDP/UnixSocket/HTTP clients, supports IPv4/IPv6 protocol. Developers can write sync or async client side features with swoole client API.
Linux process management module can be used to create new Linux process, manage the processes, and the communication between different processes.
Async API includes the async File IO API, Timer, async HTTP client API, async MySQL client API, async Redis client API and async DNS client API.
The swoole async MySQL client is a replacement of the other sync MySQL clients: libmysqlclient, mysqlnd, mysqli.
Swoole async redis client is based on hiredis.
Swoole Async HTTP client is a high performance and aync HTTP client supports Http-Chun, Keep-Alive, form-data.
Http2.0 client support stream and multiplexing. Multiple GET or POST request can be sent over the same TCP connection.
Developers can use swoole EventLoop API to use the system EventLoop.
Schedule functions to run at set intervals, accurate to milliseconds.
Fast serialization for PHP.
Integer variable allows any processor to atomically test and modify. Implemented based on CPU atomic instructions.
Memory management module enable developers managing memory like C language without worrying about memory allocation, release.
Swoole table is a high performance memory management module, implemented based on shared memory and spin lock.
Swoole provides the api to use mmap for files access.
Memory data structure likes Chan in Golang, implemented based on shared memory and Mutex locks. It can be used as high performance message queue in memory.
Swoole locks enable PHP developers use locks for data synchronization between multiple theads or processes.