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Package async
Short Description Provides utility function for async programming in PHP
License MIT
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Informations about the package async
Async
The async library provides a list of utility functions to doing basic async programming in PHP language. It makes use of PHP Generator to implement a co-routine platform on top of which async tasks are executed.
Usage
The library provides the following utility functions:
- async
async(callable $waitFn)
The async utility provides an asynchronous function execution context for the subroutine passed as argument.
It returns a Awaitable instance which start the subroutine when wait() is invoked on it. The wait() statement as it will pause the script execution until the subroutine complete.
-
promise
promise(callable $waitFn, bool $shutdown = false)promiseprovides a factory function that create promise A+ specification instance. It takes a waitable function with a reference to therevolvefunction as first param and a reference to therejectfunction of the promise instance as second parameter.Note In the above example, without calling
wait(), the promise coroutine to execute, does not run. To create a promise that automatically run on PHP process shutdown, the factory function takes a second boolean flag as parameter. -
defer
defer(callable $waitFn)defercreates a promise instance that executes resolve and reject callbacks when onPHPprocess shutdown. It's the simply version ofpromise($waitFn, true) - join
join(...$waitFn)
join, is same as async interface, except the fact that is takes a list of subroutines wait on the result of those subroutines and return the a list of the awaited result in the order they were inserted.
-
await & all
await($coroutine) / all(array $coroutines)These are utility function for waiting onasyncandjoinsubroutines respectively.allworks the same asawaitexcept that is takes an array of promises or subroutines and returns an array of resolved values.
