swoole 4.2.7

Event-driven asynchronous and concurrent networking engine with high performance for PHP.

Event-driven asynchronous and concurrent networking engine with high performance for PHP.
- event-driven
- coroutine
- asynchronous non-blocking
- multi-thread reactor
- multi-process worker
- multi-protocol
- millisecond timer
- built-in tcp/http/websocket/http2 server
- coroutine tcp/http/websocket client
- coroutine mysql client
- coroutine redis client
- coroutine read/write file system
- coroutine dns lookup
- support IPv4/IPv6/UnixSocket/TCP/UDP
- support SSL/TLS encrypted transmission

License: Apache2.0

Changes

+ `Server` adds `task_async` config item, supports switching between pure sync mode and async mode, sync mode by default (backward compatibility)
+ Support `gethostbyname` in `Runtime::enableCoroutine`
+ Support `PHP7.3RC5` version
* Fixed low version `GCC` compatibility problem (#2094)
* Fixed ssl timeout bug for `client->recv`
* Fixed `Socks5` proxy not work (#2103)
* Fixed the bug that `connected` property of `Co\Redis` was not updated. (#2104)
* Fixed `taskWait` segment fault (#2098)
* Fixed `Co\Socket` reuse problem
* Fixed a bug in `Process\Pool`
- `Swoole\Serialize` will be forced to close in PHP73 (unsupported temporarily)