CI Github actions

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: CI
+
+on: [pull_request, push]
+
+jobs:
+  tests:
+    name: Tests (PHP ${{ matrix.php }})
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        allow_fail: [false]
+        php: [5.5, 5.6, 7.0, 7.1, 7.2, 7.3]
+        include:
+          - php: 7.4
+            allow_fail: true
+          - php: 8
+            allow_fail: true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+      - name: Install dependencies
+        uses: "ramsey/composer-install@v1"
+      - name: Run tests
+        run: vendor/bin/phpunit test
+        continue-on-error: ${{ matrix.allow_fail }}