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Example code of guzzlehttp/promises

Informations about the package promises

Guzzle Promises

guzzlehttp/promises is a small promise library used by Guzzle for asynchronous operations. It implements promise chaining, synchronous waiting, cancellation, and helpers for working with groups of promises.

Most application developers use this package through guzzlehttp/guzzle by calling methods such as requestAsync(). Install this package directly when you need promise composition without the full HTTP client.

Installation

Version Guidance

Version Status PHP Version
3.0 Latest >=7.4,<8.7
2.5 Maintenance >=7.2.5,<8.7
1.5 End of Life >=5.5,<8.3

Quick Start

You can wait for a promise to complete synchronously:

A promise's getState() describes how it was settled, not the eventual outcome: a promise that was resolved with another promise, directly or by returning one from a then() handler, reports fulfilled while the inner promise may still be pending, and wait() can still throw if the inner promise rejects. Poll the state only on promises settled with plain values, or call wait() first (see guzzle/promises#101).

When using Guzzle HTTP requests, asynchronous methods return GuzzleHttp\Promise\PromiseInterface instances:

Documentation

Security

If you discover a security vulnerability within this package, please send an email to [email protected]. All security vulnerabilities will be promptly addressed. Please do not disclose security-related issues publicly until a fix has been announced. Please see Security Policy for more information.

License

Guzzle is made available under the MIT License (MIT). Please see License File for more information.

For Enterprise

Available as part of the Tidelift Subscription

The maintainers of Guzzle and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. Learn more.

All versions of promises with dependencies

PHP Build Version
Package Version
Requires php Version ^7.4 || ^8.0
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