提交vendor文件夹

vendor/symfony/psr-http-message-bridge/README.md

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+PSR-7 Bridge
+============
+
+Provides integration for PSR7.
+
+Resources
+---------
+
+  * [Documentation](https://symfony.com/doc/current/components/psr7.html)
+
+Running the tests
+-----------------
+
+If you want to run the unit tests, install dev dependencies before
+running PHPUnit:
+
+    $ cd path/to/Symfony/Bridge/PsrHttpMessage/
+    $ composer.phar install
+    $ phpunit