Support PHP 8.1 (#435)

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       max-parallel: 10
       matrix:
-        php: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4']
+        php: ['5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
 
     steps:
       - name: Set up PHP
@@ -23,8 +23,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
+      - name: Mimic PHP 8.0
+        run: composer config platform.php 8.0.999
+        if: matrix.php > 8
+
       - name: Install dependencies
-        run: composer update --no-interaction --no-progress --prefer-dist
+        run: composer update --no-interaction --no-progress
 
       - name: Run tests
         run: make test

.github/workflows/integration.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Download dependencies
         uses: ramsey/composer-install@v1
         with:
-          composer-options: --no-interaction --prefer-dist --optimize-autoloader
+          composer-options: --no-interaction --optimize-autoloader
 
       - name: Start server
         run: php -S 127.0.0.1:10002 tests/Integration/server.php &

.travis.yml

@@ -12,17 +12,15 @@ matrix:
         - php: 5.5.9
           dist: trusty
           env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest"
-        - php: 5.5
-          dist: trusty
     fast_finish: true
 
 before_install:
     - if [[ "$TRAVIS_PHP_VERSION" != "hhvm-3.24" ]]; then echo "xdebug.overload_var_dump = 1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi
     - if [[ "$TRAVIS_PHP_VERSION" == "hhvm-3.24" ]]; then travis_retry composer require "phpunit/phpunit:^5.7.27" --dev --no-update -n; fi
 
 install:
-    - if [[ "$TRAVIS_PHP_VERSION" != "nightly" ]]; then travis_retry composer update --prefer-dist; fi
-    - if [[ "$TRAVIS_PHP_VERSION" == "nightly" ]]; then travis_retry composer update --prefer-dist --ignore-platform-reqs; fi
+    - if [[ "$TRAVIS_PHP_VERSION" != "nightly" ]]; then travis_retry composer update; fi
+    - if [[ "$TRAVIS_PHP_VERSION" == "nightly" ]]; then travis_retry composer update --ignore-platform-reqs; fi
 
 script:
     - make test