composer.json

{
  "name": "ampproject/amp-wp",
  "description": "WordPress plugin for adding AMP support.",
  "homepage": "https://github.com/ampproject/amp-wp",
  "type": "wordpress-plugin",
  "license": "GPL-2.0-or-later",
  "require": {
    "php": "^5.4 || ^7.0",
    "sabberworm/php-css-parser": "8.3.0",
    "fasterimage/fasterimage": "1.4.0",
    "cweagans/composer-patches": "~1.6"
  },
  "require-dev": {
    "wp-coding-standards/wpcs": "2.0.0",
    "dealerdirect/phpcodesniffer-composer-installer": "0.5.0",
    "phpcompatibility/php-compatibility": "9.1.1",
    "xwp/wp-dev-lib": "1.0.3"
  },
  "config": {
    "platform": {
      "php": "5.4"
    }
  },
  "extra": {
    "patches": {
      "sabberworm/php-css-parser": {
        "PHP-CSS-Parser: Fix parsing CSS selectors which contain commas <https://github.com/sabberworm/PHP-CSS-Parser/pull/138>": "patches/php-css-parser-mods.diff"
      }
    }
  }
}