php-opcua/opcua-client
A PHP client library for OPC UA, the industrial communication protocol used to exchange data with PLCs, SCADA systems and industrial devices. Browse, read and write nodes securely from your PHP applications.
A PHP library that talks OPC UA binary protocol over TCP. It handles the full stack — transport, encoding, secure channels, sessions, crypto — so you can connect to any OPC UA server straight from PHP, without shelling out to C/C++ libraries.
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