This component now supports PHP 8 just fine 🎉
~/workspace/reactphp-dns$ $ docker run -it --rm --net host -v `pwd`:/data --workdir /data php:8.0.0beta2-cli-alpine php vendor/bin/phpunit PHPUnit 9.3.8 by Sebastian Bergmann and contributors. ............................................................... 63 / 253 ( 24%) ............................................................... 126 / 253 ( 49%) ............................................................... 189 / 253 ( 74%) ............................................................... 252 / 253 ( 99%) . 253 / 253 (100%) Time: 00:01.558, Memory: 21.14 MB OK (253 tests, 675 assertions)
This PR does not currently include PHP 8 in the Travis test matrix. PHP is scheduled to be released in November, I'll file a follow-up PR once it's available for installation on Travis.