Create main.yml

<? Schreibweise unterbinden

.github/workflows/main.yml

@@ -0,0 +1,25 @@
+name: Check PHP Short Tags
+
+on:
+  push:
+    paths:
+      - '**/*.php'
+  pull_request:
+    paths:
+      - '**/*.php'
+
+jobs:
+  check-php-short-tags:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Search for disallowed PHP short tags
+      run: |
+        DISALLOWED_PATTERN='<\?(?!php|=)'
+        if grep -rE "$DISALLOWED_PATTERN" .; then
+          echo "Error: Disallowed PHP short tags '<?' found!"
+          exit 1
+        fi