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Example code of techdock/opcua

Informations about the package opcua

PHP OPC UA Client

CI Security PHP Version

Modern, production-ready OPC UA (Unified Architecture) client library for PHP 8.4+. This library is a PHP implementation of OPC UA client functionality based on the architecture and design of the OPC Foundation UA-.NETStandard implementation. While maintaining wire-protocol compatibility and following the same design patterns, this is an independent implementation adapted for PHP 8.4+ with full type safety and modern language features.

Features

Quick Start

Installation

Basic Usage

With Performance Features

Monitoring Data Changes

Documentation

Requirements

Supported Features

Feature Status
TCP Binary Protocol ✅ Full
Secure Channel ✅ Basic256Sha256, None
Session Management ✅ Create, Activate, Close
Browse Services ✅ Full with continuation
Read/Write Services ✅ Multiple nodes
Subscriptions ✅ Data change, Events
Method Calls ✅ Full support
Historical Data ✅ ReadRaw, ReadProcessed
Type System ✅ Built-in + Custom structures
Certificate Auth ✅ X.509 certificates
Username Auth ✅ Username/password
Anonymous Auth ✅ Full support

Architecture

Testing

Contributing

We welcome contributions! Please see CONTRIBUTING.md for guidelines.

Security

For security vulnerabilities, please see SECURITY.md.

License

This project is licensed under the MIT License - see LICENSE file for details.

For complete attribution and licensing information, see NOTICE.

Credits

Developed by TechDock

Attribution

This library is a PHP implementation of OPC UA client functionality based on the architecture and design of the OPC Foundation UA-.NETStandard implementation. The original C#/.NET implementation provides the architectural foundation and design patterns for this PHP adaptation.

Original Project:

This PHP Implementation:

Key Differences:

We are deeply grateful to the OPC Foundation and the UA-.NETStandard contributors for their excellent reference implementation that made this PHP client possible.

Special thanks to:

See NOTICE for complete attribution and licensing details.

Resources

Support

All versions of opcua with dependencies

PHP Build Version
Package Version
Requires php Version ^8.4
ext-sockets Version *
phpseclib/phpseclib Version ^3.0
psr/log Version ^3.0
psr/simple-cache Version ^3.0
wapmorgan/binary-stream Version ^0.4
symfony/cache Version ^7.0
brick/date-time Version ^0.7
monolog/monolog Version ^3.0
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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