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Example code of varion/minih2core-php

Informations about the package minih2core-php

varion/minih2core-php

varion/minih2core-php is a minimal educational HTTP/2 core for PHP 8.1+.

This project is intentionally small and incomplete. It is designed for learning and demo servers, not production use.

Purpose

Supported Frame Types (Minimal Subset)

The frame codec itself can encode/decode generic frame envelopes (9-byte header + payload).

Unsupported Features

Server Architecture

ReactPHP Example

See examples/react-http2-server.php.

What it does:

  1. Accepts a TCP connection (h2c prior knowledge).
  2. Reads and validates the HTTP/2 client preface.
  3. Sends an empty server SETTINGS frame.
  4. Buffers incoming bytes and repeatedly calls FrameCodec::tryDecode().
  5. Passes each decoded frame to FrameHandler.
  6. Encodes returned frames and writes them back.
  7. Sends a single plain text response body: hello from http/2 server\n.
  8. Closes the connection after the response.

Run example:

Test with curl:

Client Architecture

The client example is also intentionally minimal and educational.

Client Limitations

Client Example Flow

See examples/http2-client.php.

  1. Parse [--insecure] <URI>.
  2. Connect via TLS with ALPN h2,http/1.1.
  3. Send client preface + empty SETTINGS.
  4. Decode frames with FrameCodec::tryDecode().
  5. On server SETTINGS, send SETTINGS ACK and one GET HEADERS frame.
  6. Print DATA payload bytes to STDOUT.
  7. Close on END_STREAM or GOAWAY.

All versions of minih2core-php with dependencies

PHP Build Version
Package Version
Requires php Version ^8.1
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