symfony - Install and enable the intl extension (used for validators)

Question

Welcome!

Welcome to your new Symfony project.

This script will guide you through the basic configuration of your project. You can also do the same by editing the ‘app/config/parameters.yml’ file directly. Recommendations

To enhance your Symfony experience, it’s recommended that you fix the following: Install and enable the intl extension (used for validators). Install and enable a PHP accelerator like APC (highly recommended).

Answer 1

Just install the intl extension of PHP.