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13.1. Installing Doctrine\Migrations Component

Doctrine provides a special component Doctrine\Migrations that you can use for implementing database migrations in your website. To install Doctrine\Migrations component, type the following command:

php composer.phar require doctrine/migrations

The command above will download and install the component files to the vendor directory and modify your composer.json file as follows:

    "require": {
        "doctrine/migrations": "^1.4",