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[Queues & Workers](/categories/queues) 4. / 5. icicleio/concurrent ActiveLibrary[Queues & Workers](/categories/queues) icicleio/concurrent =================== Concurrency component for Icicle. v0.3.0(10y ago)17235.8k6[2 issues](https://github.com/icicleio/concurrent/issues)[1 PRs](https://github.com/icicleio/concurrent/pulls)2MITPHP Since Sep 29Pushed 9y ago12 watchersCompare [ Source](https://github.com/icicleio/concurrent)[ Packagist](https://packagist.org/packages/icicleio/concurrent)[ Docs](http://icicle.io)[ RSS](/packages/icicleio-concurrent/feed)WikiDiscussions master Synced 1mo ago READMEChangelog (7)Dependencies (3)Versions (10)Used By (2) Concurrency for Icicle ====================== [](#concurrency-for-icicle) **True concurrency using native threading and multiprocessing for parallelizing code, *without* blocking.** This library is a component for [Icicle](https://github.com/icicleio/icicle) that provides native threading, multiprocessing, process synchronization, shared memory, and task workers. Like other Icicle components, this library uses [Coroutines](https://icicle.io/docs/manual/coroutines/) built from [Awaitables](https://icicle.io/docs/manual/awaitables/) and [Generators](http://www.php.net/manual/en/language.generators.overview.php) to make writing asynchronous code more like writing synchronous code. [![Build Status](https://camo.githubusercontent.com/fffaa4b810ad0446c0882a48ba710f4d7a2e380b6a788ce30036df5f8619a9d8/68747470733a2f2f696d672e736869656c64732e696f2f7472617669732f696369636c65696f2f636f6e63757272656e742f76312e782e7376673f7374796c653d666c61742d737175617265)](https://travis-ci.org/icicleio/concurrent)[![Coverage Status](https://camo.githubusercontent.com/a923863202b6eca9aac8302270d9b41a09d6f42e0fe0b8f3f0107cac88c1384b/68747470733a2f2f696d672e736869656c64732e696f2f636f766572616c6c732f696369636c65696f2f636f6e63757272656e742f76312e782e7376673f7374796c653d666c61742d737175617265)](https://coveralls.io/r/icicleio/concurrent)[![Semantic Version](https://camo.githubusercontent.com/322dec5b6e85ce9b7b4225e9458b48aee7ed3920c59105ce0320cefee8719c94/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f72656c656173652f696369636c65696f2f636f6e63757272656e742e7376673f7374796c653d666c61742d737175617265)](http://semver.org)[![MIT License](https://camo.githubusercontent.com/c79c345de92f1fb5aea5b65d5f02b4a32e19995a23264fbf921ba287bad6974a/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f6c2f696369636c65696f2f636f6e63757272656e742e7376673f7374796c653d666c61742d737175617265)](LICENSE)[![@icicleio on Twitter](https://camo.githubusercontent.com/fb16a2e03bb85dd9926a15e837d3754b7766046281e2698271930aadbcd972cf/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f747769747465722d253430696369636c65696f2d3531383963372e7376673f7374796c653d666c61742d737175617265)](https://twitter.com/icicleio) This library provides a means of parallelizing code without littering your application with complicated lock checking and inter-process communication. To be as flexible as possible, this library comes with a collection of non-blocking concurrency tools that can be used independently as needed, as well as an "opinionated" worker API that allows you to assign units of work to a pool of worker threads or processes. #### Documentation and Support [](#documentation-and-support) - [Full API Documentation](https://icicle.io/docs/api/Concurrent/) - [Official Twitter](https://twitter.com/icicleio) - [Gitter Chat](https://gitter.im/icicleio/icicle) ##### Requirements [](#requirements) - PHP 5.5+ for v0.3.x branch (current stable) and v1.x branch (mirrors current stable) - PHP 7 for v2.0 (master) branch supporting generator delegation and return expressions ##### Suggested [](#suggested) - [pthreads extension](https://pecl.php.net/package/pthreads): Best extension option for concurrency in PHP, but it requires PHP to be compiled with `--enable-maintainer-zts` to enable thread-safety. - [pcntl extension](http://php.net/manual/en/book.pcntl.php): Enables forking concurrency method. - [sysvmsg extension](http://php.net/manual/en/book.sem.php): Required for sharing memory between forks or processes. ##### Installation [](#installation) The recommended way to install is with the [Composer](http://getcomposer.org/) package manager. (See the [Composer installation guide](https://getcomposer.org/doc/00-intro.md) for information on installing and using Composer.) Run the following command to use this package in your project: ``` composer require icicleio/concurrent ``` You can also manually edit `composer.json` to add this library as a project requirement. ``` // composer.json { "require": { "icicleio/concurrent": "^0.3" } } ``` ### Development and Contributing [](#development-and-contributing) Interested in contributing to Icicle? Please see our [contributing guidelines](https://github.com/icicleio/icicle/blob/master/CONTRIBUTING.md) in the [Icicle repository](https://github.com/icicleio/icicle). Want to hack on the source? A [Vagrant](http://vagrantup.com) box is provided with the repository to give a common development environment for running concurrent threads and processes, and comes with a bunch of handy tools and scripts for testing and experimentation. Starting up and logging into the virtual machine is as simple as ``` vagrant up && vagrant ssh ``` Once inside the VM, you can install PHP extensions with [Pickle](https://github.com/FriendsOfPHP/pickle), switch versions with `newphp VERSION`, and test for memory leaks with [Valgrind](http://valgrind.org). ### Health Score 38 — LowBetter than 85% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity41 Moderate usage in the ecosystem Community20 Small or concentrated contributor base Maturity59 Maturing project, gaining track record 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 ~18 days Total 9 Last Release 3739d ago Major Versions v0.3.0 → 1.x-dev2016-02-22 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/1628287?v=4)[Aaron Piotrowski](/maintainers/Trowski)[@trowski](https://github.com/trowski) --- Top Contributors [![sagebind](https://avatars.githubusercontent.com/u/2192863?v=4)](https://github.com/sagebind "sagebind (185 commits)")[![trowski](https://avatars.githubusercontent.com/u/1628287?v=4)](https://github.com/trowski "trowski (147 commits)")[![yched](https://avatars.githubusercontent.com/u/193080?v=4)](https://github.com/yched "yched (1 commits)") --- Tags streamasyncasynchronous ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/icicleio-concurrent/health.svg) ``` [![Health](https://phpackages.com/badges/icicleio-concurrent/health.svg)](https://phpackages.com/packages/icicleio-concurrent) ``` ### Alternatives [amphp/amp A non-blocking concurrency framework for PHP applications. 4.4k123.4M323](/packages/amphp-amp)[react/socket Async, streaming plaintext TCP/IP and secure TLS socket server and client connections for ReactPHP 1.3k116.9M402](/packages/react-socket)[revolt/event-loop Rock-solid event loop for concurrent PHP applications. 92343.6M138](/packages/revolt-event-loop)[amphp/parallel Parallel processing component for Amp. 85046.2M74](/packages/amphp-parallel)[amphp/byte-stream A stream abstraction to make working with non-blocking I/O simple. 393116.2M104](/packages/amphp-byte-stream)[icicleio/icicle Icicle is a PHP library for writing asynchronous code using synchronous coding techniques. 1.1k150.9k14](/packages/icicleio-icicle) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)