ci: added automatic tests

.github/workflows/php-unit-tests.yml

@@ -0,0 +1,45 @@
+name: PHP Unit Tests
+
+on:
+  push:
+    paths:
+      - '**workflows/php-unit-tests.yml'
+      - '**.php'
+      - '**phpunit.xml.dist'
+      - '**composer.json'
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  unit-tests:
+    runs-on: ubuntu-latest
+    if: ${{ !contains(github.event.head_commit.message, 'skip unit') }}
+
+    env:
+      USE_COVERAGE: 'no'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php-versions: [ '8.0', '8.1', '8.2' ]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          ini-values: zend.assertions=1, error_reporting=E_ALL, display_errors=On
+          coverage: ${{ env.USE_COVERAGE == 'yes' && 'xdebug' || 'none' }}
+
+      - name: Install Composer dependencies
+        uses: ramsey/composer-install@v2
+
+      - name: Run unit tests
+        run: composer tests