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open-telemetry/extension-propagator-cloudtrace
==============================================

CloudTraceContext propagator extension for OpenTelemetry PHP.

0.0.5(8mo ago)02.3k↓60%Apache-2.0PHPPHP ^8.1

Since Nov 13Pushed 3mo ago3 watchersCompare

[ Source](https://github.com/opentelemetry-php/extension-propagator-cloudtrace)[ Packagist](https://packagist.org/packages/open-telemetry/extension-propagator-cloudtrace)[ RSS](/packages/open-telemetry-extension-propagator-cloudtrace/feed)WikiDiscussions main Synced 3d ago

READMEChangelog (5)Dependencies (4)Versions (7)Used By (0)

[![Releases](https://camo.githubusercontent.com/46e38a504120203bf7615645011bcf2bb834e03e8eb0bc8e0f4864c729fd5baf/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f72656c65617365732d707572706c65)](https://github.com/opentelemetry-php/extension-propagator-cloudtrace/releases)[![Source](https://camo.githubusercontent.com/b8230cec368b3917ed75a0fb71203ae8762a6cefc403628e0b6ae906d2af1ba7/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f736f757263652d657874656e73696f6e2d2d70726f70616761746f722d2d636c6f756474726163652d677265656e)](https://github.com/open-telemetry/opentelemetry-php/tree/main/src/Extension/Propagator/CloudTrace)[![Mirror](https://camo.githubusercontent.com/bdb26598a3e62a924f3cd9c4b6e8d1db4e62d42ad8469f9ff8336b3539183e71/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6d6972726f722d6f70656e74656c656d657472792d2d7068703a657874656e73696f6e2d2d70726f70616761746f722d2d636c6f756474726163652d626c7565)](https://github.com/opentelemetry-php/extension-propagator-cloudtrace)[![Latest Version](https://camo.githubusercontent.com/78a7de162439b80b7913a7d092127ec4cf67b0045f6f2401030b4720789152a1/687474703a2f2f706f7365722e707567782e6f72672f6f70656e2d74656c656d657472792f657874656e73696f6e2d70726f70616761746f722d636c6f756474726163652f762f756e737461626c65)](https://packagist.org/packages/open-telemetry/extension-propagator-cloudtrace/)[![Stable](https://camo.githubusercontent.com/b8d96f180664a41cee11cc444fc60f957303cf1456bd2103ce4ec2d2094ed9e6/687474703a2f2f706f7365722e707567782e6f72672f6f70656e2d74656c656d657472792f657874656e73696f6e2d70726f70616761746f722d636c6f756474726163652f762f737461626c65)](https://packagist.org/packages/open-telemetry/extension-propagator-cloudtrace/)

OpenTelemetry Extension
=======================

[](#opentelemetry-extension)

### CloudTrace Propagator

[](#cloudtrace-propagator)

CloudTrace is a propagator that supports the specification for the header "x-cloud-trace-context" used for trace context propagation across service boundaries. (). OpenTelemetry PHP CloudTrace Propagator Extension provides option to use it bi-directionally or one-way. One-way does not inject the header for downstream consumption, it only processes the incoming headers and returns the correct span context. It only attaches to existing X-Cloud-Trace-Context traces and does not create downstream ones.

For one-way CloudTrace:

```
CloudTracePropagator::getOneWayInstance()

```

For bi-directional CloudTrace:

```
CloudTracePropagator::getInstance()

```

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

40

—

FairBetter than 86% of packages

Maintenance71

Regular maintenance activity

Popularity21

Limited adoption so far

Community14

Small or concentrated contributor base

Maturity46

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 62.5% 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 ~141 days

Recently: every ~173 days

Total

6

Last Release

259d ago

Major Versions

0.0.4 → 2.x-dev2025-01-29

PHP version history (3 changes)0.0.1PHP ^7.4 || ^8.0

0.0.4PHP ^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)

---

Top Contributors

[![brettmc](https://avatars.githubusercontent.com/u/4978962?v=4)](https://github.com/brettmc "brettmc (5 commits)")[![Nevay](https://avatars.githubusercontent.com/u/22509671?v=4)](https://github.com/Nevay "Nevay (1 commits)")[![pieterocp](https://avatars.githubusercontent.com/u/68863060?v=4)](https://github.com/pieterocp "pieterocp (1 commits)")[![ynikitin-etsy](https://avatars.githubusercontent.com/u/116388679?v=4)](https://github.com/ynikitin-etsy "ynikitin-etsy (1 commits)")

---

Tags

apmtracingopentelemetryotelextensionpropagatorcloudtrace

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