diff --git a/validate.yml b/validate.yml
new file mode 100644
index 0000000..632c6f0
--- /dev/null
+++ b/validate.yml
@@ -0,0 +1,29 @@
+name: Validate Code
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  validate:
+    runs-on: linux-dev
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Check PHP syntax
+        run: |
+          if find . -name "*.php" | grep -q .; then
+            find . -name "*.php" -print0 | xargs -0 -n1 php -l
+          else
+            echo "No PHP files found."
+          fi
+
+      - name: Check C# build
+        run: |
+          if find . -name "*.csproj" | grep -q .; then
+            dotnet build
+          else
+            echo "No C# project found."
+          fi
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