Improve shop creator with php linter to check if there is no syntax e…

…rrors in the project

.github/workflows/php.yml

@@ -0,0 +1,25 @@
+name: PHP tests
+on: [push, pull_request]
+jobs:
+  # Check there is no syntax errors in the project
+  php-linter:
+    name: PHP Syntax check 7.2 => 8.1
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/[email protected]
+
+      - name: PHP syntax checker 7.2
+        uses: prestashop/github-action-php-lint/7.2@master
+
+      - name: PHP syntax checker 7.3
+        uses: prestashop/github-action-php-lint/7.3@master
+
+      - name: PHP syntax checker 7.4
+        uses: prestashop/github-action-php-lint/7.4@master
+
+      - name: PHP syntax checker 8.0
+        uses: prestashop/github-action-php-lint/8.0@master
+
+      - name: PHP syntax checker 8.1
+        uses: prestashop/github-action-php-lint/8.1@master