composer.json

{
    "name": "joomla/joomla-cms",
    "type": "project",
    "description": "Joomla CMS",
    "keywords": ["joomla", "cms"],
    "homepage": "https://github.com/joomla/joomla-cms",
    "license": "GPL-2.0-or-later",
    "config": {
        "optimize-autoloader": true,
        "platform": {
            "php": "5.3.10"
        },
        "vendor-dir": "libraries/vendor",
        "github-protocols": ["https"]
    },
    "support": {
        "issues": "https://issues.joomla.org",
        "irc": "https://irc.lc/freenode/joomla/",
        "forum": "https://forum.joomla.org/",
        "docs": "https://docs.joomla.org"
    },
    "repositories": [
      {
        "type": "vcs",
        "url": "https://github.com/joomla-backports/lessphp.git",
        "no-api":  true
      },
      {
        "type": "vcs",
        "url": "https://github.com/joomla-backports/PHPMailer.git",
        "no-api":  true
      }
    ],
    "require": {
        "php": ">=5.3.10",
        "joomla/application": "~1.9",
        "joomla/archive": "^1.1.7",
        "joomla/data": "~1.2",
        "joomla/di": "~1.5",
        "joomla/event": "~1.2",
        "joomla/filter": "^1.4.3",
        "joomla/image": "^1.5",
        "joomla/input": "~1.3",
        "joomla/ldap": "~1.2",
        "joomla/registry": "^1.6",
        "joomla/session": "^1.3.4",
        "joomla/string": "^1.4",
        "joomla/uri": "~1.2",
        "joomla/utilities": "^1.6",
        "ircmaxell/password-compat": "1.*",
        "leafo/lessphp": "dev-joomla3-php8",
        "paragonie/random_compat": "~1.4",
        "paragonie/sodium_compat": "1.17.0",
        "phpmailer/phpmailer": "dev-joomla-backports",
        "symfony/polyfill-php55": "~1.9",
        "symfony/polyfill-php56": "~1.9",
        "symfony/polyfill-php71": "~1.9",
        "symfony/polyfill-php73": "~1.9",
        "symfony/yaml": "2.*",
        "simplepie/simplepie": "1.3.3",
        "google/recaptcha": "^1.1",
        "typo3/phar-stream-wrapper": "^2.1"
    },
    "require-dev": {
        "phpunit/phpunit": "^4.8.35",
        "phpunit/dbunit": "~1.3",
        "friendsofphp/php-cs-fixer": "~1.11",
        "squizlabs/php_codesniffer": "~1.5",
        "pear/cache_lite": "1.7.16"
    },
    "minimum-stability": "dev",
    "prefer-stable": true
}