Edit file File name : composer.json Content :{ "name": "symfony/polyfill-intl-idn", "type": "library", "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions", "keywords": ["polyfill", "shim", "compatibility", "portable", "intl", "idn"], "homepage": "https://symfony.com", "license": "MIT", "authors": [ { "name": "Laurent Bassin", "email": "laurent@bassin.info" }, { "name": "Trevor Rowbotham", "email": "trevor.rowbotham@pm.me" }, { "name": "Symfony Community", "homepage": "https://symfony.com/contributors" } ], "require": { "php": ">=5.3.3", "symfony/polyfill-intl-normalizer": "^1.10", "symfony/polyfill-php70": "^1.10", "symfony/polyfill-php72": "^1.10" }, "autoload": { "psr-4": { "Symfony\\Polyfill\\Intl\\Idn\\": "" }, "files": [ "bootstrap.php" ] }, "suggest": { "ext-intl": "For best performance" }, "minimum-stability": "dev", "extra": { "branch-alias": { "dev-main": "1.19-dev" }, "thanks": { "name": "symfony/polyfill", "url": "https://github.com/symfony/polyfill" } } } Save