Support PHP 8.0 and add Travis testing

Author: mmoll

.travis.yml

@@ -1,11 +1,11 @@
-sudo: false
 os:
  - linux
 language: php
 php:
  - 7.2
  - 7.3
  - 7.4
+ - 8.0
 env:
  - DEPENDENCIES=lowest
  - DEPENDENCIES=highest
@@ -20,8 +20,16 @@ cache:
  - $HOME/.composer/cache
 
 before_script:
- - if [ "${DEPENDENCIES}" = "lowest" ]; then composer update --prefer-lowest --prefer-dist --no-interaction --no-progress; fi;
- - if [ "${DEPENDENCIES}" = "highest" ]; then composer update --prefer-dist --no-interaction --no-progress; fi;
+ # PHPUnit 8.x is not (yet) supported, so prevent issues with Travis images using it.
+ - |
+ if [ "${TRAVIS_PHP_VERSION}" != "8.0" ]; then
+ export PHPUNIT_WORKAROUND=""
+ elif [ "${TRAVIS_PHP_VERSION}" = "8.0" ]; then
+ # Allow installing "incompatible" PHPUnit version on PHP 8.
+ export PHPUNIT_WORKAROUND="--ignore-platform-reqs"
+ fi
+ - if [ "${DEPENDENCIES}" = "lowest" ]; then composer update ${PHPUNIT_WORKAROUND} --prefer-lowest --prefer-dist --no-interaction --no-progress; fi;
+ - if [ "${DEPENDENCIES}" = "highest" ]; then composer update ${PHPUNIT_WORKAROUND} --prefer-dist --no-interaction --no-progress; fi;
  - if [ "${DEPENDENCIES}" = "highest" ]; then pecl install -f ast-1.0.10; fi; # Install AST extension, as phan uses it
  - export XMLLINT_INDENT=" "
 
@@ -48,17 +56,18 @@ script:
 jobs:
  include:
  - stage: Test
- name: PHP:7.3 Windows
+ name: PHP:8.0 Windows
  os: windows
  cache:
  directories:
  - C:/Users/travis/AppData/Local/Composer
- language: sh # No PHP currently
+ language: shell # No PHP currently
  env:
- - PHP_VERSION=7.3
+ - TRAVIS_PHP_VERSION=8.0
  - DEPENDENCIES=lowest
  install:
- - export EXACT_PHP_VERSION=$(choco search php --exact --all-versions --limit-output | grep $PHP_VERSION | cut -d \| -f 2)
+ # this doesn't work since choco 0.10.14 and currently there's no workaround, so the highest available version is used always
+ - export EXACT_PHP_VERSION=$(choco search php --exact --all-versions --limit-output | grep $TRAVIS_PHP_VERSION | cut -d \| -f 2)
  - choco install php --version=${EXACT_PHP_VERSION} --package-parameters="/InstallDir:c:\tools\php"
  - choco install composer --ia "/DEV=C:\tools\php"
  - export PATH=/c/tools/php:$PATH

composer.json

@@ -29,7 +29,7 @@
  "vimeo/psalm": "^4.0"
  },
  "require": {
- "php": "~7.2",
+ "php": "~7.2 || ~8.0",
  "dealerdirect/phpcodesniffer-composer-installer": "~0.7",
  "escapestudios/symfony2-coding-standard": "^3.10.0",
  "slevomat/coding-standard": "^6.2.0",