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backend/vendor/doctrine/sql-formatter/CONTRIBUTING.md

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+# CONTRIBUTING
+
+Make sure you read our [contributing guide][contributing guide on the website].
+
+[contributing guide on the website]:https://www.doctrine-project.org/contribute
+
+## Installing dependencies
+
+```shell
+composer install
+```
+
+## Running checks locally
+
+Here is a script to run all checks, you can use it as a git hook:
+
+```shell
+#!/bin/bash -eu
+vendor/bin/phpunit --testdox
+echo '' | vendor/bin/phpcs
+vendor/bin/phpstan analyze
+```
+
+## Regenerating expected output
+
+To regenerate expected tests output, run `bin/regenerate-expected-output`.