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open-telemetry/opentelemetry-propagation-cloudtrace
===================================================

CloudTraceContext propagator extension for OpenTelemetry PHP.

0.1.0(9mo ago)01Apache-2.0PHPPHP ^8.1

Since Aug 8Pushed 9mo agoCompare

[ Source](https://github.com/opentelemetry-php/contrib-propagator-cloudtrace)[ Packagist](https://packagist.org/packages/open-telemetry/opentelemetry-propagation-cloudtrace)[ RSS](/packages/open-telemetry-opentelemetry-propagation-cloudtrace/feed)WikiDiscussions main Synced 1mo ago

READMEChangelog (1)Dependencies (10)Versions (2)Used By (0)

[![Releases](https://camo.githubusercontent.com/46e38a504120203bf7615645011bcf2bb834e03e8eb0bc8e0f4864c729fd5baf/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f72656c65617365732d707572706c65)](https://github.com/opentelemetry-php/contrib-propagator-cloudtrace/releases)[![Issues](https://camo.githubusercontent.com/b9b31135f113cdb6e2b662b4040276044ee0803567bc17688eaf4386f797ea50/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6973737565732d70696e6b)](https://github.com/open-telemetry/opentelemetry-php/issues)[![Source](https://camo.githubusercontent.com/e27dd1126a60abf1c26521d893d9f235ef342a76231c2428ddbc4651185bd626/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f736f757263652d636f6e747269622d677265656e)](https://github.com/open-telemetry/opentelemetry-php-contrib/tree/main/src/Propagation/CloudTrace)[![Mirror](https://camo.githubusercontent.com/2f9050293ab0c0d9471e618215bc7417a63b6873c960e1605bddb69b1911fa4c/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6d6972726f722d6f70656e74656c656d657472792d2d7068702d2d636f6e747269622d626c7565)](https://github.com/opentelemetry-php/contrib-propagator-cloudtrace)[![Latest Version](https://camo.githubusercontent.com/16696ac317fa2a9291225bd429ae1c5ab6ca9e025dd62668e4f42b8857f6b3fd/687474703a2f2f706f7365722e707567782e6f72672f6f70656e2d74656c656d657472792f6f70656e74656c656d657472792d70726f70616761746f722d636c6f756474726163652f762f756e737461626c65)](https://packagist.org/packages/open-telemetry/opentelemetry-propagation-cloudtrace/)[![Stable](https://camo.githubusercontent.com/6551c9d14f048905e6d9508b02c784dd3443d1c3f24cb393bd07600cfad56e27/687474703a2f2f706f7365722e707567782e6f72672f6f70656e2d74656c656d657472792f6f70656e74656c656d657472792d70726f70616761746f722d636c6f756474726163652f762f737461626c65)](https://packagist.org/packages/open-telemetry/opentelemetry-propagation-cloudtrace/)

This is a read-only subtree split of .

OpenTelemetry CloudTrace Propagator
===================================

[](#opentelemetry-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.

Installation
------------

[](#installation)

```
composer require open-telemetry/opentelemetry-propagation-cloudtrace
```

Usage
-----

[](#usage)

For one-way CloudTrace:

```
$propagator = CloudTracePropagator::getOneWayInstance();

```

For bi-directional CloudTrace:

```
$propagator = CloudTracePropagator::getInstance();

```

###  Health Score

26

—

LowBetter than 43% of packages

Maintenance58

Moderate activity, may be stable

Popularity1

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity34

Early-stage or recently created project

 Bus Factor1

Top contributor holds 100% 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

Unknown

Total

1

Last Release

275d ago

### 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

[![weslenteche](https://avatars.githubusercontent.com/u/54692047?v=4)](https://github.com/weslenteche "weslenteche (2 commits)")

---

Tags

apmtracingopentelemetryotelextensionpropagatorcloudtrace

###  Code Quality

TestsPHPUnit

Static AnalysisPHPStan, Psalm

Code StylePHP CS Fixer

Type Coverage Yes

### Embed Badge

![Health badge](/badges/open-telemetry-opentelemetry-propagation-cloudtrace/health.svg)

```
[![Health](https://phpackages.com/badges/open-telemetry-opentelemetry-propagation-cloudtrace/health.svg)](https://phpackages.com/packages/open-telemetry-opentelemetry-propagation-cloudtrace)
```

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