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[Utility & Helpers](/categories/utility) 4. / 5. api-clients/rx ActiveLibrary[Utility & Helpers](/categories/utility) api-clients/rx ============== RxPHP utilities 2.3.0(4y ago)1141.0k↑16.7%2[3 PRs](https://github.com/php-api-clients/rx/pulls)15MITPHPPHP ^8 || ^7.4 Since Mar 22Pushed 2y ago1 watchersCompare [ Source](https://github.com/php-api-clients/rx)[ Packagist](https://packagist.org/packages/api-clients/rx)[ GitHub Sponsors](https://github.com/WyriHaximus)[ RSS](/packages/api-clients-rx/feed)WikiDiscussions master Synced 1mo ago READMEChangelog (1)Dependencies (4)Versions (12)Used By (15) RxPHP utilities for PHP 7 ========================= [](#rxphp-utilities-for-php-7) [![Build Status](https://camo.githubusercontent.com/4f3393caeb913cbd2ba34f488b7e5a592fd1024fbb0457d74dcace6135077707/68747470733a2f2f7472617669732d63692e6f72672f7068702d6170692d636c69656e74732f72782e7376673f6272616e63683d6d6173746572)](https://travis-ci.org/php-api-clients/rx)[![Latest Stable Version](https://camo.githubusercontent.com/f8445a1bd141d000e2336d9a2adf7d170c1126eec94ff451907752030448feea/68747470733a2f2f706f7365722e707567782e6f72672f6170692d636c69656e74732f72782f762f737461626c652e706e67)](https://packagist.org/packages/api-clients/rx)[![Total Downloads](https://camo.githubusercontent.com/519d64aff53aa3798daf18af3039a69a488cd63d6c95bbe096cea6873e87e8e4/68747470733a2f2f706f7365722e707567782e6f72672f6170692d636c69656e74732f72782f646f776e6c6f6164732e706e67)](https://packagist.org/packages/api-clients/rx)[![Code Coverage](https://camo.githubusercontent.com/55dcce1fc7ef5cff96c5d9c1295d26d931a19a5b10e67f7dd481051c365740e5/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f7068702d6170692d636c69656e74732f72782f6261646765732f636f7665726167652e706e673f623d6d6173746572)](https://scrutinizer-ci.com/g/php-api-clients/rx/?branch=master)[![License](https://camo.githubusercontent.com/121a47eaa22692df5bb5b7ff51ce16a2c017fbbea4e211b395ad9f96575e2847/68747470733a2f2f706f7365722e707567782e6f72672f6170692d636c69656e74732f72782f6c6963656e73652e706e67)](https://packagist.org/packages/api-clients/rx)[![PHP 7 ready](https://camo.githubusercontent.com/e7710ad7953ab4ade68c6d5c83dff7c3c39010f7f951723705a60c63da11545c/687474703a2f2f7068703772656164792e74696d6573706c696e7465722e63682f7068702d6170692d636c69656e74732f72782f62616467652e737667)](https://travis-ci.org/php-api-clients/rx) Installation ============ [](#installation) To install via [Composer](http://getcomposer.org/), use the command below, it will automatically detect the latest version and bind it with `^`. ``` composer require api-clients/rx ``` Usage ===== [](#usage) Unwrap an observable from a promise: ``` use function ApiClients\Tools\Rx\unwrapObservableFromPromise; $observable = Observable::fromArray(['a', 'b']); $promise = resolve($observable); /** * Outputs: ab */ unwrapObservableFromPromise($promise)->subscribe(function ($d) { echo $d; }); ``` License ======= [](#license) The MIT License (MIT) Copyright (c) 2017 Cees-Jan Kiewiet Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ### Health Score 40 — FairBetter than 88% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity33 Limited adoption so far Community24 Small or concentrated contributor base Maturity70 Established project with proven stability Bus Factor1 Top contributor holds 59% 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 ~326 days Recently: every ~407 days Total 6 Last Release 1714d ago Major Versions 1.0.0 → 2.0.02017-03-22 PHP version history (2 changes)1.0.0PHP ^7.0 2.3.0PHP ^8 || ^7.4 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/147145?v=4)[Cees-Jan Kiewiet](/maintainers/WyriHaximus)[@WyriHaximus](https://github.com/WyriHaximus) --- Top Contributors [![WyriHaximus](https://avatars.githubusercontent.com/u/147145?v=4)](https://github.com/WyriHaximus "WyriHaximus (49 commits)")[![dependabot-support](https://avatars.githubusercontent.com/u/112581971?v=4)](https://github.com/dependabot-support "dependabot-support (19 commits)")[![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)](https://github.com/dependabot[bot] "dependabot[bot] (13 commits)")[![davidwdan](https://avatars.githubusercontent.com/u/4969183?v=4)](https://github.com/davidwdan "davidwdan (1 commits)")[![jsor](https://avatars.githubusercontent.com/u/55574?v=4)](https://github.com/jsor "jsor (1 commits)") --- Tags hacktoberfestphpreactphp ### Embed Badge ![Health badge](/badges/api-clients-rx/health.svg) ``` [![Health](https://phpackages.com/badges/api-clients-rx/health.svg)](https://phpackages.com/packages/api-clients-rx) ``` ### Alternatives [react/react ReactPHP: Event-driven, non-blocking I/O with PHP. 9.1k3.6M63](/packages/react-react)[internal/dload Downloads binaries. 98142.7k10](/packages/internal-dload)[wyrihaximus/react-child-process-messenger Messenger decorator for react/child-process 32279.4k4](/packages/wyrihaximus-react-child-process-messenger)[wyrihaximus/react-cron ⏱️ Cronlike scheduler running inside the ReactPHP Event Loop 4050.6k](/packages/wyrihaximus-react-cron)[mention/retry A Retry library for PHP 1324.5k](/packages/mention-retry)[llm/mcp-server PHP SDK for building MCP servers 431.1k](/packages/llm-mcp-server) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)