forked from https://github.com/symfony/symfony
32707260f9
This PR was squashed before being merged into the 4.4 branch. Discussion ---------- [HttpClient] Fix promise behavior in HttplugClient | Q | A | ------------- | --- | Branch? | 4.4 & up <!-- see below --> | Bug fix? | yes | New feature? | no <!-- please update src/**/CHANGELOG.md files --> | Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files --> | Tickets | Fix #37488 <!-- prefix each issue number with "Fix #", if any --> | License | MIT | Doc PR | symfony/symfony-docs#... <!-- required for new features --> <!-- Replace this notice by a short README for your feature/bugfix. This will help people understand your PR and can be used as a start for the documentation. Additionally (see https://symfony.com/releases): - Always add tests and ensure they pass. - Never break backward compatibility (see https://symfony.com/bc). - Bug fixes must be submitted against the lowest maintained branch where they apply (lowest branches are regularly merged to upper ones so they get the fixes too.) - Features and deprecations must be submitted against branch master. --> ## The Problem Promises have 2 important methods: `then` and `wait`. To implement Httplug's promise interface, we built `HttplugPromise` on top of Guzzle promise. However, when an error occurred (Httplug `NetworkException` thrown) while init the request/before actually sending the request, `HttplugClient::sendAsyncRequest` will return a `Http\Promise\RejectedPromise`, which is a dummy implementation. If the `then` callable returns a promise-like object, `Http\Promise\RejectedPromise` will treat it as plain value. Guzzle promise will try to resolve the promise-like value, which is an object that has `then` method on it. |
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Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Symfony is used by thousands of web applications (including BlaBlaCar.com and Spotify.com) and most of the popular PHP projects (including Drupal and Magento).
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