Add github action

.github/workflows/php.yml

@@ -0,0 +1,32 @@
+name: PHP Unit/Quality CI
+
+on:
+  push:
+    branches: [ master, main ]
+  pull_request:
+    branches: [ master, main ]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: ['7.4', '8.0', '8.1', '8.2']
+        dependency-version: [prefer-lowest, prefer-stable]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          tools: composer:v2
+          coverage: none
+
+      - name: Install Dependencies
+        run: composer update --${{ matrix.dependency-version }} --no-interaction --no-progress --ansi
+
+      - name: PHP Unit
+        run: ./vendor/bin/phpunit --testdox