Merge pull request #15 from grifart/php8

support PHP 8

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: Tests
+on:
+  pull_request:
+    branches: [master]
+  push:
+    branches: [master]
+
+jobs:
+  verify:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php:
+          - '7.1'
+          - '7.2'
+          - '7.3'
+          - '7.4'
+          - '8.0'
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v2
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
+      - run: composer install --no-interaction
+      - run: composer run verify

composer.json

@@ -7,7 +7,7 @@
 		"test": "vendor/bin/phpstan analyse -c tests/phpstan-config.neon --error-format oneline --no-progress --no-interaction"
 	},
     "require": {
-        "php": "^7.1",
+        "php": "^7.1 || ^8.0",
         "phpstan/phpstan": "^0.12"
     },
     "license": "MIT",