add github workflow

Author: mohanrajpac

.github/workflows/php.yml

@@ -0,0 +1,31 @@
+name: PHP
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          extensions: xdebug
+          coverage: xdebug
+          tools: composer:v2
+
+      - name: Validate composer.json and composer.lock
+        run: composer validate
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Run PHPCS Lint
+        run: composer lint
+
+      - name: Run PHPUnit tests
+        run: composer test