Revert "revert"

This reverts commit c752f25.

.github/workflows/integrate.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   matrix:
     name: "PHP"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         PHP: ["7.0", "7.1", "7.2", "7.3", "7.4", "8.0"]
@@ -17,18 +17,19 @@ jobs:
           - PHP: "8.0"
             ZTS: "yes"
     env:
-      PHP: $ {{ matrix.PHP }}
       GITHUB: "yes"
       enable_debug: "yes"
-      enable_maintainer_zts: $ {{ matrix.ZTS }}
       enable_session: "yes"
       TEST_PHP_ARGS : "--show-diff"
       REPORT_EXIT_STATUS: "yes"
       NO_INTERACTION: "yes"
     steps:
-      - uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup
+        uses: shivammathur/setup-php@v2
         with:
-          submodules: true
+          php-version: $ {{ matrix.PHP }}
       - name: Install
         run: |
           sudo apt-get install -y \