diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
new file mode 100644
index 0000000..0537d6a
--- /dev/null
+++ b/.github/workflows/php.yml
@@ -0,0 +1,39 @@
+name: PHP Composer
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate --strict
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v3
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-
+
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress
+
+    # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
+    # Docs: https://getcomposer.org/doc/articles/scripts.md
+
+    # - name: Run test suite
+    #   run: composer run-script test
diff --git a/.gitignore b/.gitignore
index f82fc29..a1e2647 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,18 +1 @@
-# Composer
-/vendor/
-composer.phar
-composer-setup.php
-
-# PHPUnit
-.phpunit.result.cache
-
-# IDE
-.idea/
-.vscode/
-*.swp
-*.swo
-*~
-
-# OS
-.DS_Store
-Thumbs.db
+?
diff --git a/class b/class
new file mode 100644
index 0000000..c48924a
--- /dev/null
+++ b/class
@@ -0,0 +1,15 @@
+# Schema taken from https://eng.ms/docs/cloud-ai-platform/devdiv/one-engineering-system-1es/1es-docs/product-catalog/branch-classification/branch-classification#optional-update-branch-classification-at-the-repo.
+name: branch_classification
+description: Branch classification configuration for repository
+resource: repository
+disabled: true
+where:
+configuration:
+  branchClassificationSettings:
+    defaultClassification: nonproduction
+    ruleset:
+      - name: prod-branches
+        branchNames:
+          - microsoft/main
+          - microsoft/release-branch.go*
+        classification: production