title: OpenTelemetry B3 context propagation
registryType: extension
isThirdParty: false
language: php
tags:
  - php
  - b3
  - extension
  - propagator
repo: https://github.com/open-telemetry/opentelemetry-php/tree/main/src/Extension/Propagator/B3
license: Apache 2.0
description: >
  This library provides support for propagating trace context in the B3 format.
authors: OpenTelemetry Authors
otVersion: latest
