How to Upgrading from Composer 1.0 to Composer 2.0?

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Now Composer 2.0 is released, so I want to know how can I easily upgrade to Composer 2.0?

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1 Answer

To upgrade Composer to version 2, use the following command:

composer self-update --2

This will instruct the Composer to update itself to version 2. In case your application isn't viable with Composer 2. You can move back to Composer 1 at any time using the below command:

composer self-update --1

Read more about Composer 2.0 here

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