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[API Development](/categories/api) 4. / 5. google/gax ActiveLibrary[API Development](/categories/api) google/gax ========== Google API Core for PHP v1.42.1(2mo ago)265103.1M—4.8%59[2 issues](https://github.com/googleapis/gax-php/issues)[5 PRs](https://github.com/googleapis/gax-php/pulls)20BSD-3-ClausePHPPHP ^8.1CI passing Since Jun 4Pushed 5d ago45 watchersCompare [ Source](https://github.com/googleapis/gax-php)[ Packagist](https://packagist.org/packages/google/gax)[ Docs](https://github.com/googleapis/gax-php)[ RSS](/packages/google-gax/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (10)Dependencies (26)Versions (153)Used By (20) Google API Core for PHP ======================= [](#google-api-core-for-php) [![Build Status](https://github.com/googleapis/gax-php/actions/workflows/tests.yml/badge.svg)](https://github.com/googleapis/gax-php/actions/workflows/tests.yml/badge.svg) - [Documentation](https://cloud.google.com/php/docs/reference/gax/latest) Google API Core for PHP (gax-php) is a set of modules which aids the development of APIs for clients based on [gRPC](http://grpc.io) and Google API conventions. Application code will rarely need to use most of the classes within this library directly, but code generated automatically from the API definition files in [Google APIs](https://github.com/googleapis/googleapis/) can use services such as page streaming and retry to provide a more convenient and idiomatic API surface to callers. PHP Versions ------------ [](#php-versions) gax-php currently requires PHP 8.1 or higher. Contributing ------------ [](#contributing) Contributions to this library are always welcome and highly encouraged. See the [CONTRIBUTING](https://github.com/googleapis/gax-php/blob/main/.github/CONTRIBUTING.md) documentation for more information on how to get started. Versioning ---------- [](#versioning) This library follows [Semantic Versioning](http://semver.org/). This library is considered GA (generally available). As such, it will not introduce backwards-incompatible changes in any minor or patch releases. We will address issues and requests with the highest priority. Repository Structure -------------------- [](#repository-structure) All code lives under the src/ directory. Handwritten code lives in the src/ApiCore directory and is contained in the `Google\ApiCore` namespace. Generated classes for protobuf common types and LongRunning client live under the src/ directory, in the appropriate directory and namespace. Code in the metadata/ directory is provided to support generated protobuf classes, and should not be used directly. Development Set-Up ------------------ [](#development-set-up) These steps describe the dependencies to install for Linux, and equivalents can be found for Mac or Windows. 1. Install dependencies. ``` > cd ~/ > sudo apt-get install php php-dev libcurl3-openssl-dev php-pear php-bcmath php-xml > curl -sS https://getcomposer.org/installer | php > sudo pecl install protobuf ``` 2. Set up this repo. ``` > cd /path/to/gax-php > composer install ``` 3. Run tests. ``` > composer test ``` 4. Updating dependencies after changing `composer.json`: ``` > composer update ` ``` 5. Formatting source: ``` > composer cs-lint > composer cs-fix ``` License ------- [](#license) BSD - See [LICENSE](https://github.com/googleapis/gax-php/blob/main/LICENSE) for more information. ### Health Score 80 — ExcellentBetter than 100% of packages Maintenance93 Actively maintained with recent releases Popularity72 Solid adoption and visibility Community54 Growing community involvement Maturity90 Battle-tested with a long release history Bus Factor2 2 contributors hold 50%+ of commits 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 ~26 days Recently: every ~15 days Total 134 Last Release 59d ago Major Versions 0.38.0 → 1.0.02019-03-27 0.38.1 → 1.0.32019-06-25 0.38.2 → 1.1.02019-08-06 v1.42.1 → 2.x-dev2026-03-20 PHP version history (6 changes)0.1.0PHP >=5.5 v1.13.0PHP >=5.6 v1.16.0PHP >=7.0 v1.20.0PHP >=7.4 v1.30.0PHP ^8.0 v1.37.0PHP ^8.1 ### Community Maintainers ![](https://www.gravatar.com/avatar/3901206952845568d7557a60855b097f6d1bafaa7a24020cfcf5bb8de74f9d28?d=identicon)[google-cloud](/maintainers/google-cloud) --- Top Contributors [![bshaffer](https://avatars.githubusercontent.com/u/103941?v=4)](https://github.com/bshaffer "bshaffer (140 commits)")[![michaelbausor](https://avatars.githubusercontent.com/u/14846209?v=4)](https://github.com/michaelbausor "michaelbausor (122 commits)")[![release-please[bot]](https://avatars.githubusercontent.com/in/40688?v=4)](https://github.com/release-please[bot] "release-please[bot] (57 commits)")[![dwsupplee](https://avatars.githubusercontent.com/u/2079879?v=4)](https://github.com/dwsupplee "dwsupplee (33 commits)")[![noahdietz](https://avatars.githubusercontent.com/u/6644735?v=4)](https://github.com/noahdietz "noahdietz (20 commits)")[![renovate-bot](https://avatars.githubusercontent.com/u/25180681?v=4)](https://github.com/renovate-bot "renovate-bot (16 commits)")[![shinfan](https://avatars.githubusercontent.com/u/1514780?v=4)](https://github.com/shinfan "shinfan (10 commits)")[![jdpedrie](https://avatars.githubusercontent.com/u/89034?v=4)](https://github.com/jdpedrie "jdpedrie (9 commits)")[![garrettjonesgoogle](https://avatars.githubusercontent.com/u/13341017?v=4)](https://github.com/garrettjonesgoogle "garrettjonesgoogle (9 commits)")[![Hectorhammett](https://avatars.githubusercontent.com/u/9062626?v=4)](https://github.com/Hectorhammett "Hectorhammett (7 commits)")[![miraleung](https://avatars.githubusercontent.com/u/5384433?v=4)](https://github.com/miraleung "miraleung (7 commits)")[![saranshdhingra](https://avatars.githubusercontent.com/u/1038319?v=4)](https://github.com/saranshdhingra "saranshdhingra (5 commits)")[![vam-google](https://avatars.githubusercontent.com/u/25311427?v=4)](https://github.com/vam-google "vam-google (5 commits)")[![ajupazhamayil](https://avatars.githubusercontent.com/u/14087896?v=4)](https://github.com/ajupazhamayil "ajupazhamayil (4 commits)")[![alicejli](https://avatars.githubusercontent.com/u/65933803?v=4)](https://github.com/alicejli "alicejli (4 commits)")[![vishwarajanand](https://avatars.githubusercontent.com/u/7369612?v=4)](https://github.com/vishwarajanand "vishwarajanand (3 commits)")[![norberttech](https://avatars.githubusercontent.com/u/1921950?v=4)](https://github.com/norberttech "norberttech (3 commits)")[![yash30201](https://avatars.githubusercontent.com/u/54198301?v=4)](https://github.com/yash30201 "yash30201 (3 commits)")[![JustinBeckwith](https://avatars.githubusercontent.com/u/534619?v=4)](https://github.com/JustinBeckwith "JustinBeckwith (2 commits)")[![romanstingler](https://avatars.githubusercontent.com/u/5576250?v=4)](https://github.com/romanstingler "romanstingler (2 commits)") --- Tags google ### Code Quality TestsPHPUnit Static AnalysisPHPStan Code StylePHP\_CodeSniffer Type Coverage Yes ### Embed Badge ![Health badge](/badges/google-gax/health.svg) ``` [![Health](https://phpackages.com/badges/google-gax/health.svg)](https://phpackages.com/packages/google-gax) ``` ### Alternatives [google/apiclient Client library for Google APIs 9.8k191.4M997](/packages/google-apiclient)[google/cloud Google Cloud Client Library 1.2k16.2M53](/packages/google-cloud)[kreait/firebase-php Firebase Admin SDK 2.4k39.7M72](/packages/kreait-firebase-php)[temporal/sdk Temporal SDK 4002.2M18](/packages/temporal-sdk)[google/grpc-gcp gRPC GCP library for channel management 18497.8M3](/packages/google-grpc-gcp)[googleads/google-ads-php Google Ads API client for PHP 3497.6M9](/packages/googleads-google-ads-php) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)