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[Logging & Monitoring](/categories/logging) 4. / 5. open-telemetry/extension-propagator-b3 ActiveLibrary[Logging & Monitoring](/categories/logging) open-telemetry/extension-propagator-b3 ====================================== B3 propagator extension for OpenTelemetry PHP. 1.2.0(10mo ago)0301.7k↓28.5%6Apache-2.0PHPPHP ^8.1 Since Aug 24Pushed 4mo ago3 watchersCompare [ Source](https://github.com/opentelemetry-php/extension-propagator-b3)[ Packagist](https://packagist.org/packages/open-telemetry/extension-propagator-b3)[ RSS](/packages/open-telemetry-extension-propagator-b3/feed)WikiDiscussions main Synced 2w ago READMEChangelog (10)Dependencies (4)Versions (17)Used By (6) [![Releases](https://camo.githubusercontent.com/46e38a504120203bf7615645011bcf2bb834e03e8eb0bc8e0f4864c729fd5baf/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f72656c65617365732d707572706c65)](https://github.com/opentelemetry-php/extension-propagator-b3/releases)[![Source](https://camo.githubusercontent.com/01ba67d74550c209c6f6bc1772d7f10c4091b208bdf35676da1e758e6f406095/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f736f757263652d657874656e73696f6e2d2d70726f70616761746f722d2d62332d677265656e)](https://github.com/open-telemetry/opentelemetry-php/tree/main/src/Extension/Propagator/B3)[![Mirror](https://camo.githubusercontent.com/8052c1538306fc657838423da99c20c499f132e26aa5ac2ad34e74ada7f30f4e/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6d6972726f722d6f70656e74656c656d657472792d2d7068703a657874656e73696f6e2d2d70726f70616761746f722d2d62332d626c7565)](https://github.com/opentelemetry-php/extension-propagator-b3)[![Latest Version](https://camo.githubusercontent.com/88d204a86a1322ae93f80c4446c78771b48d6cc7ec1ff77dfe78dcf1202d40c4/687474703a2f2f706f7365722e707567782e6f72672f6f70656e2d74656c656d657472792f657874656e73696f6e2d70726f70616761746f722d62332f762f756e737461626c65)](https://packagist.org/packages/open-telemetry/extension-propagator-b3/)[![Stable](https://camo.githubusercontent.com/75243fb50d5f45f9e174013b0a63c1d2a562a2dec3ce766059b7971de78bcce0/687474703a2f2f706f7365722e707567782e6f72672f6f70656e2d74656c656d657472792f657874656e73696f6e2d70726f70616761746f722d62332f762f737461626c65)](https://packagist.org/packages/open-telemetry/extension-propagator-b3/) OpenTelemetry Extension ======================= [](#opentelemetry-extension) ### B3 Propagator [](#b3-propagator) B3 is a propagator that supports the specification for the header "b3" used for trace context propagation across service boundaries.(). OpenTelemetry PHP B3 Propagator Extension provides option to use B3 single header() as well as B3 multi header () propagators. ### Usage [](#usage) For B3 single header: ``` B3Propagator::getB3SingleHeaderInstance() ``` For B3 multi header: ``` B3Propagator::getB3MultiHeaderInstance() ``` Both of the above have `extract` and `inject` methods available to extract and inject respectively into the header. Contributing ------------ [](#contributing) This repository is a read-only git subtree split. To contribute, please see the main [OpenTelemetry PHP monorepo](https://github.com/open-telemetry/opentelemetry-php). ### Health Score 50 — FairBetter than 95% of packages Maintenance66 Regular maintenance activity Popularity35 Limited adoption so far Community25 Small or concentrated contributor base Maturity65 Established project with proven stability Bus Factor1 Top contributor holds 55.6% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~76 days Recently: every ~166 days Total 16 Last Release 302d ago Major Versions 0.0.17 → 1.0.0beta12022-12-09 1.1.0beta1 → 2.x-dev2025-01-29 PHP version history (3 changes)0.0.15PHP ^7.4 || ^8.0 1.1.0PHP ^8.1 2.x-devPHP ^8.2 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/4978962?v=4)[Brett McBride](/maintainers/brettmc)[@brettmc](https://github.com/brettmc) ![](https://avatars.githubusercontent.com/u/4099109?v=4)[Bob Strecansky](/maintainers/bobstrecansky)[@bobstrecansky](https://github.com/bobstrecansky) ![](https://www.gravatar.com/avatar/6c8d11f4cc2c4bb65832357398092369df3b5ecda1171441be8c6a75e844f97f?d=identicon)[tidal](/maintainers/tidal) --- Top Contributors [![brettmc](https://avatars.githubusercontent.com/u/4978962?v=4)](https://github.com/brettmc "brettmc (10 commits)")[![Nevay](https://avatars.githubusercontent.com/u/22509671?v=4)](https://github.com/Nevay "Nevay (4 commits)")[![amber0612](https://avatars.githubusercontent.com/u/30532446?v=4)](https://github.com/amber0612 "amber0612 (1 commits)")[![kishannsangani](https://avatars.githubusercontent.com/u/93989268?v=4)](https://github.com/kishannsangani "kishannsangani (1 commits)")[![pieterocp](https://avatars.githubusercontent.com/u/68863060?v=4)](https://github.com/pieterocp "pieterocp (1 commits)")[![stickeegreg](https://avatars.githubusercontent.com/u/48593081?v=4)](https://github.com/stickeegreg "stickeegreg (1 commits)") --- Tags apmtracingopentelemetryotelextensionpropagatorb3 ### Embed Badge ![Health badge](/badges/open-telemetry-extension-propagator-b3/health.svg) ``` [![Health](https://phpackages.com/badges/open-telemetry-extension-propagator-b3/health.svg)](https://phpackages.com/packages/open-telemetry-extension-propagator-b3) ``` ### Alternatives [open-telemetry/sdk SDK for OpenTelemetry PHP. 2430.8M433](/packages/open-telemetry-sdk)[keepsuit/laravel-opentelemetry OpenTelemetry integration for laravel 173666.7k1](/packages/keepsuit-laravel-opentelemetry)[open-telemetry/api API for OpenTelemetry PHP. 2044.7M351](/packages/open-telemetry-api)[traceway/opentelemetry-symfony Pure-PHP OpenTelemetry instrumentation for Symfony — automatic HTTP, Console, HttpClient, Messenger, Doctrine DBAL, Cache, Twig tracing and Monolog log-trace correlation with response propagation, a lightweight Tracing helper, route templates, and semantic conventions. 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