fix php linter

Author: asmyasnikov

.github/workflows/lint.yml

@@ -6,17 +6,10 @@ on:
   push:
     branches:
       - main
-  # Replace pull_request with pull_request_target if you
-  # plan to use this action with forks, see the Limitations section
   pull_request:
     branches:
       - main
 
-# Down scope as necessary via https://docs.github.com/en/actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
-permissions:
-  checks: write
-  contents: write
-
 jobs:
   run-linters:
     name: Run linters
@@ -26,9 +19,16 @@ jobs:
       - name: Check out Git repository
         uses: actions/checkout@v2
 
-      # Install your linters here
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "7.4"
+          coverage: none
+          tools: phpcs
 
       - name: Run linters
         uses: wearerequired/lint-action@v2
         with:
-        # Enable your linters here
+          php_codesniffer: true
+          # Optional: Ignore warnings
+          php_codesniffer_args: "-n"