rector/docs/HowUseWithOldPhp.md
2017-12-10 03:14:41 +01:00

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### How to use on PHP < 7.1 or Incompatible Composer Dependencies
You must have an isolated environment with PHP 7.1 (for example in a Docker container). When you have it then run following command:
```
composer create-project rector/rector:@dev path-to-rector
```
You will be able to run Rector like this:
```
path-to-rector/bin/rector <arguments>
```
Now you can read more in [README](../README.md/#install).