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A non-blocking concurrency framework for PHP applications. ๐Ÿ˜

Home Page: https://amphp.org/amp

License: MIT License

PHP 99.53% Makefile 0.14% Shell 0.33%

bpc-amp-2.x-branch's Introduction

BPC Notes 1: How to make?

cd lib/
make libamp.so && sudo make install-libamp
sudo ldconfig

BPC Notes 2: How to run test?

cd test/
ulimit -n 4096
phpunit-bpc --bootstrap=autoload.php --bpc=. .
make
./test --bootstrap=autoload.php
Amp Logo

Amp

Amp is a non-blocking concurrency framework for PHP. It provides an event loop, promises and streams as a base for asynchronous programming.

Promises in combination with generators are used to build coroutines, which allow writing asynchronous code just like synchronous code, without any callbacks.

Motivation

Traditionally, PHP has a synchronous execution flow, doing one thing at a time. If you query a database, you send the query and wait for the response from the database server in a blocking manner. Once you have the response, you can start doing the next thing.

Instead of sitting there and doing nothing while waiting, we could already send the next database query, or do an HTTP call to an API.

Making use of the time we usually spend on waiting for I/O can speed up the total execution time. The following diagram shows the execution flow with dependencies between the different tasks, once executed sequentially and once concurrently.

Amp allows such concurrent I/O operations while keeping the cognitive load low by avoiding callbacks. Instead, the results of asynchronous operations can be awaited using yield resulting in code which is structured like traditional blocking I/O code while the actual execution flow is handled by Amp.

Installation

This package can be installed as a Composer dependency.

composer require amphp/amp

This installs the basic building blocks for asynchronous applications in PHP. We offer a lot of repositories building on top of this repository, e.g.

Documentation

Documentation can be found on amphp.org as well as in the ./docs directory. Each package has its own ./docs directory.

Requirements

This package requires PHP 7.0 or later. Many of the other packages raised their requirement to PHP 7.1. No extensions required!

Optional Extensions

Extensions are only needed if your app necessitates a high number of concurrent socket connections, usually this limit is configured up to 1024 file descriptors.

Examples

Examples can be found in the ./examples directory of this repository as well as in the ./examples directory of our other libraries.

Versioning

amphp/amp follows the semver semantic versioning specification like all other amphp packages.

2.x

Supported. We don't have plans to release v3, yet.

1.x

No longer supported. We stopped providing bug fixes 2017-12-31 and stopped providing security fixes 2018-12-31.

Compatible Packages

Compatible packages should use the amphp topic on GitHub.

Security

If you discover any security related issues, please email [email protected] instead of using the issue tracker.

License

The MIT License (MIT). Please see LICENSE for more information.

bpc-amp-2.x-branch's People

Contributors

kelunik avatar rdlowrey avatar trowski avatar bwoebi avatar andrewcarteruk avatar staabm avatar heguangyu5 avatar wyrihaximus avatar enumag avatar douggr avatar joshdifabio avatar lt avatar peehaa avatar prolic avatar sidz avatar daverandom avatar krlv avatar lyrixx avatar jsor avatar gquemener avatar grahamcampbell avatar joelwurtz avatar mmasiukevich avatar mickaelandrieu avatar samnela avatar s-tian86 avatar gitter-badger avatar dependabot[bot] avatar descawed avatar sedatsevgili avatar

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