Symfony
sponsored by SensioLabs
Menu
  • About
  • Documentation
  • Screencasts
  • Cloud
  • Certification
  • Community
  • Businesses
  • News
  • Download
  1. Home
  2. Documentation
  3. Components
  4. The Symfony Polyfill / Intl IDN Component
  • Documentation
  • Book
  • Reference
  • Bundles
  • Cloud
Search by Algolia

Table of Contents

  • Installation
  • Usage
    • Provided Functions

The Symfony Polyfill / Intl IDN Component

Edit this page

Warning: You are browsing the documentation for Symfony 4.3, which is no longer maintained.

Read the updated version of this page for Symfony 6.2 (the current stable version).

The Symfony Polyfill / Intl IDN Component

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

  • idn_to_ascii
  • idn_to_utf8

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.

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.
We stand with Ukraine.
Version:
No stress: we've got you covered with our 116 automated quality checks of your code

No stress: we've got you covered with our 116 automated quality checks of your code

Code consumes server resources. Blackfire tells you how

Code consumes server resources. Blackfire tells you how

↓ Our footer now uses the colors of the Ukrainian flag because Symfony stands with the people of Ukraine.

Avatar of jamogon, a Symfony contributor

Thanks jamogon for being a Symfony contributor

1 commit • 2 lines changed

View all contributors that help us make Symfony

Become a Symfony contributor

Be an active part of the community and contribute ideas, code and bug fixes. Both experts and newcomers are welcome.

Learn how to contribute

Symfony™ is a trademark of Symfony SAS. All rights reserved.

  • What is Symfony?
    • Symfony at a Glance
    • Symfony Components
    • Case Studies
    • Symfony Releases
    • Security Policy
    • Logo & Screenshots
    • Trademark & Licenses
    • symfony1 Legacy
  • Learn Symfony
    • Symfony Docs
    • Symfony Book
    • Reference
    • Bundles
    • Best Practices
    • Training
    • eLearning Platform
    • Certification
  • Screencasts
    • Learn Symfony
    • Learn PHP
    • Learn JavaScript
    • Learn Drupal
    • Learn RESTful APIs
  • Community
    • SymfonyConnect
    • Support
    • How to be Involved
    • Code of Conduct
    • Events & Meetups
    • Projects using Symfony
    • Downloads Stats
    • Contributors
    • Backers
  • Blog
    • Events & Meetups
    • A week of symfony
    • Case studies
    • Cloud
    • Community
    • Conferences
    • Diversity
    • Documentation
    • Living on the edge
    • Releases
    • Security Advisories
    • SymfonyInsight
    • Twig
    • SensioLabs
  • Services
    • SensioLabs services
    • Train developers
    • Manage your project quality
    • Improve your project performance
    • Host Symfony projects
    Deployed on
Follow Symfony
Search by Algolia