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Package predis-async
Short Description Asynchronous version of Predis
License MIT
Homepage http://github.com/laravie/predis-async
Informations about the package predis-async
Predis\Async
Asynchronous (non-blocking) version of Predis, the full-featured PHP client library for Redis, built on top of React to handle evented I/O. By default Predis\Async does not require any additional C extension to work, but it can be optionally paired with phpiredis to sensibly lower the overhead of serializing and parsing the Redis protocol.
Predis\Async is currently under development but already works pretty well. The client foundation is being built on top of the event loop abstraction offered by React, an event-oriented framework for PHP that aims to provide everything needed to create reusable libraries and long-running applications using an evented approach powered by non-blocking I/O. This library is partially tested on HHVM, but support for this runtime should be considered experimental.
Contributions are highly welcome and appreciated, feel free to open pull-requests with fixes or just report issues if you encounter weird behaviors and blatant bugs.
Main features
- Wide range of Redis versions supported (from 2.0 to 3.0 and unstable) using profiles.
- Transparent key prefixing for all known Redis commands using a customizable prefixing strategy.
- Abstraction for
MULTI
/EXEC
transactions (Redis >= 2.0). - Abstraction for
PUBLISH
/SUBSCRIBE
contexts (Redis >= 2.0). - Abstraction for
MONITOR
contexts (Redis >= 1.2). - Abstraction for Lua scripting (Redis >= 2.6).
- Ability to connect to Redis using TCP/IP or UNIX domain sockets.
- Redis connections can be established lazily, commands are queued while the client is connecting.
- Flexible system for defining and registering custom sets of supported commands or profiles.
Installing
Predis\Async is available on Packagist. It is
not required to have the phpiredis extension loaded as suggested
since the client will work anyway using a pure-PHP protocol parser, but if the extension is detected
at runtime then it will be automatically preferred over the slower default. It is possible to force
the client to use the pure-PHP protocol parser even when the extension is detected simply by passing
['phpiredis' => false]
in the array of client options.
Example
Differences with Predis
Being an asynchronous client implementation, the underlying design of Predis\Async is different from the one of Predis which is a blocking implementation. Certain features have not been implemented yet (or cannot be implemented at all), just to name a few you will not find the usual abstractions for pipelining commands and creating cluster of nodes using client-side sharding. That said, they share a common style and a few basic classes so if you used Predis in the past you should feel at home.
Contributing
If you want to work on Predis\Async, it is highly recommended that you first run the test suite in
order to check that everything is OK, and report strange behaviours or bugs. When modifying the code
please make sure that no warnings or notices are emitted by PHP by running the interpreter in your
development environment with the error_reporting
variable set to E_ALL | E_STRICT
.
The recommended way to contribute to Predis\Async is to fork the project on GitHub, create new topic branches on your newly created repository to fix or add features (possibly with tests covering your modifications) and then open a new pull request with a description of the applied changes. Obviously you can use any other Git hosting provider of your preference.
Please follow a few basic commit guidelines before opening pull requests.
Project
Author
- twitter)
License
The code for Predis\Async is distributed under the terms of the MIT license (see LICENSE).
All versions of predis-async with dependencies
predis/predis Version ^1.1
react/event-loop Version ^1.0
clue/redis-protocol Version ~0.3