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[Utility & Helpers](/categories/utility) 4. / 5. symfony/polyfill-intl-idn ActiveLibrary[Utility & Helpers](/categories/utility) symfony/polyfill-intl-idn ========================= Symfony polyfill for intl's idn\_to\_ascii and idn\_to\_utf8 functions v1.33.0(1y ago)3.4k774.6M—8.1%920MITPHPPHP >=7.2 Since Sep 30Pushed 3w ago5 watchersCompare [ Source](https://github.com/symfony/polyfill-intl-idn)[ Packagist](https://packagist.org/packages/symfony/polyfill-intl-idn)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-polyfill-intl-idn/feed)WikiDiscussions 1.x Synced 1mo ago READMEChangelog (4)Dependencies (1)Versions (29)Used By (20) Symfony Polyfill / Intl: Idn ============================ [](#symfony-polyfill--intl-idn) This component provides [`idn_to_ascii`](https://php.net/idn-to-ascii) and [`idn_to_utf8`](https://php.net/idn-to-utf8) functions to users who run php versions without the [Intl](https://php.net/intl) extension. More information can be found in the [main Polyfill README](https://github.com/symfony/polyfill/blob/main/README.md). License ======= [](#license) This library is released under the [MIT license](LICENSE). ### Health Score 67 ↑ FairBetter than 100% of packages Maintenance69 Regular maintenance activity Popularity80 Widely adopted with strong download metrics Community39 Small or concentrated contributor base Maturity67 Established project with proven stability Bus Factor1 Top contributor holds 64% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~77 days Recently: every ~25 days Total 29 Last Release 615d ago PHP version history (3 changes)v1.10.0PHP >=5.3.3 v1.20.0PHP >=7.1 v1.31.0PHP >=7.2 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/47313?v=4)[Fabien Potencier](/maintainers/fabpot)[@fabpot](https://github.com/fabpot) --- Top Contributors [![nicolas-grekas](https://avatars.githubusercontent.com/u/243674?v=4)](https://github.com/nicolas-grekas "nicolas-grekas (32 commits)")[![TRowbotham](https://avatars.githubusercontent.com/u/4984601?v=4)](https://github.com/TRowbotham "TRowbotham (4 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (2 commits)")[![IonBazan](https://avatars.githubusercontent.com/u/1985514?v=4)](https://github.com/IonBazan "IonBazan (1 commits)")[![JakeFr](https://avatars.githubusercontent.com/u/5176129?v=4)](https://github.com/JakeFr "JakeFr (1 commits)")[![JanJakes](https://avatars.githubusercontent.com/u/141436?v=4)](https://github.com/JanJakes "JanJakes (1 commits)")[![Ayesh](https://avatars.githubusercontent.com/u/811553?v=4)](https://github.com/Ayesh "Ayesh (1 commits)")[![kbond](https://avatars.githubusercontent.com/u/127811?v=4)](https://github.com/kbond "kbond (1 commits)")[![lbassin](https://avatars.githubusercontent.com/u/11029822?v=4)](https://github.com/lbassin "lbassin (1 commits)")[![lyrixx](https://avatars.githubusercontent.com/u/408368?v=4)](https://github.com/lyrixx "lyrixx (1 commits)")[![morozov](https://avatars.githubusercontent.com/u/59683?v=4)](https://github.com/morozov "morozov (1 commits)")[![samnela](https://avatars.githubusercontent.com/u/1852108?v=4)](https://github.com/samnela "samnela (1 commits)")[![jdreesen](https://avatars.githubusercontent.com/u/424602?v=4)](https://github.com/jdreesen "jdreesen (1 commits)")[![derrabus](https://avatars.githubusercontent.com/u/1506493?v=4)](https://github.com/derrabus "derrabus (1 commits)")[![GrahamCampbell](https://avatars.githubusercontent.com/u/2829600?v=4)](https://github.com/GrahamCampbell "GrahamCampbell (1 commits)") --- Tags compatibilitycomponentidnintljavascriptpolyfillportableshimsymfonysymfony-componentsymfony-polyfillcompatibilityportablepolyfillshimintlidn ### Embed Badge ![Health badge](/badges/symfony-polyfill-intl-idn/health.svg) ``` [![Health](https://phpackages.com/badges/symfony-polyfill-intl-idn/health.svg)](https://phpackages.com/packages/symfony-polyfill-intl-idn) ``` ### Alternatives [symfony/polyfill-intl-normalizer Symfony polyfill for intl's Normalizer class and related functions 2.1k830.2M36](/packages/symfony-polyfill-intl-normalizer)[symfony/polyfill-intl-grapheme Symfony polyfill for intl's grapheme\_\* functions 1.7k702.8M27](/packages/symfony-polyfill-intl-grapheme)[symfony/polyfill-intl-icu Symfony polyfill for intl's ICU-related data and classes 2.6k251.4M96](/packages/symfony-polyfill-intl-icu)[symfony/polyfill-mbstring Symfony polyfill for the Mbstring extension 7.8k1.2B515](/packages/symfony-polyfill-mbstring)[symfony/polyfill-php72 Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions 4.7k674.7M31](/packages/symfony-polyfill-php72)[symfony/polyfill-php73 Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions 2.4k581.8M67](/packages/symfony-polyfill-php73) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)