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Example code of phasync/server

Informations about the package server

phasync/server

Note: This package will be renamed to phasync/net in a future release.

Efficient TCP and UDP networking for PHP using phasync coroutines.

All stream resources are wrapped with AsyncStream, providing transparent async I/O - no need to call phasync::readable() or phasync::writable() manually.

Installation

TcpServer

Accept TCP connections using a simple iterator pattern:

Multiple Listen Addresses

Listen on multiple ports or interfaces simultaneously:

Unix Domain Sockets

API

Dns

Async DNS resolution (used automatically by TcpClient):

Features:

API

TcpClient

Connect to TCP servers asynchronously (with async DNS):

Unix Domain Sockets

API

UdpServer

Receive UDP datagrams with correct reply routing:

Multiple Interfaces

When bound to multiple interfaces, the $socket returned ensures replies come from the correct source IP:

API

Performance

These implementations leverage phasync coroutines and non-blocking I/O for high performance:

In synthetic benchmarks, this can handle 50% more requests per second than Node.js.

Design Guidelines

Read/Write Strategy

Socket Options

Option Default Reason
so_reuseport true Graceful restarts, multi-process scaling
tcp_nodelay true Low-latency delivery of small messages
backlog 511 Handle connection bursts

Override via the $context parameter:

Deprecated: Server Class

The original Server class is deprecated. Migrate to TcpServer or UdpServer:

All versions of server with dependencies

PHP Build Version
Package Version
Requires php Version ^8.2
phasync/phasync Version ^1.1@rc
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