Add some diagnostics

.github/workflows/syntax.yml

@@ -58,6 +58,11 @@ jobs:
     - name: Check PHP version
       run: php -v
       
+    - name: Check Contents of Aptitude Repo for PHP components
+      env:
+        version: ${{ matrix.php }}
+      run: apt search | grep php
+
     - name: Check PHP syntax
       run: if find ${{ github.workspace }} -name '*.php' -exec php -l {} 2>&1 \; | grep -iv 'no syntax errors detected'; then exit 1; fi