opc.https:// transport for PHP OPC UA clients (Part 6 7.4). One HTTPS POST per service request, TLS as the secure channel. Binary encoding production-ready, JSON foundation shipped (5 base codecs + per-service registry). Use it when the network forbids inbound opc.tcp but allows outbound https.
tls php https transport industrial-automation iiot opc-ua opcua binary-protocol opcua-client industry-4-0 opc-https
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Updated
Jun 4, 2026 - PHP