The Symfony Polyfill / Intl IDN Component
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Read the updated version of this page for Symfony 7.1 (the current stable version).
This component provides a collection of functions related to IDN when the Intl extension is not installed.
Installation
1
$ composer require symfony/polyfill-intl-idn
Note
If you install this component outside of a Symfony application, you must
require the vendor/autoload.php
file in your code to enable the class
autoloading mechanism provided by Composer. Read
this article for more details.
Usage
Once this component is installed in your application, you can use the following functions, no matter if the PHP intl extension is installed or not in your server.
Provided Functions
See also
Symfony provides more polyfills for other classes and functions related to the Intl PHP extension: polyfill-intl-grapheme, polyfill-intl-icu, polyfill-intl-messageformatter, and polyfill-intl-normalizer.