chore(ci): improve php test

.github/workflows/php-test.yml

@@ -4,8 +4,40 @@ name: PHP Tests
 on: pull_request
 
 jobs:
+  changes:
+    runs-on: ubuntu-latest-low
+    permissions:
+      contents: read
+      pull-requests: read
+
+    outputs:
+      src: ${{ steps.changes.outputs.src}}
+
+    steps:
+      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - '.github/workflows/**'
+              - 'lib/**'
+              - 'appinfo/**'
+              - 'composer/**'
+              - 'templates/**'
+              - 'tests/php/**'
+              - 'composer.json'
+              - 'composer.lock'
+              - 'phpunit.integration.xml'
+              - 'phpunit.unit.xml'
+              - '**.php'
+
   unit-tests:
     runs-on: ubuntu-latest
+
+    needs: changes
+    if: needs.changes.outputs.src != 'false'
+
     strategy:
       matrix:
         php-versions: [ '8.2', '8.3', '8.4', '8.5' ]
@@ -53,6 +85,10 @@ jobs:
 
   integration-tests:
     runs-on: ubuntu-latest
+
+    needs: changes
+    if: needs.changes.outputs.src != 'false'
+
     strategy:
       matrix:
         php-versions: [ '8.2', '8.3', '8.4', '8.5' ]