Code fixes and improvements

.github/workflows/wpcs.yml

@@ -0,0 +1,28 @@
+name: Wordpress Basic Checks
+
+on:
+  push:
+    branches:
+      - '**'        # matches every branch
+      - '!master'
+
+jobs:
+  phpcs:
+    name: WPCS
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: WPCS check
+        uses: 10up/wpcs-action@stable
+        with:
+          enable_warnings: false # Enable checking for warnings (-w)
+          paths: '.' # Paths to check, space separated
+          excludes: '' # Paths to excludes, space separated
+          standard: 'WordPress' # Standard to use. Accepts WordPress|WordPress-Core|WordPress-Docs|WordPress-Extra|WordPress-VIP-Go|WordPressVIPMinimum|10up-Default.
+          standard_repo: '' # Public (git) repository URL of the coding standard
+          repo_branch: 'master' # Branch of Standard repository
+          phpcs_bin_path: 'phpcs' # Custom PHPCS bin path
+          use_local_config: 'true' # Use local config if available
+          extra_args: '' # Extra arguments passing to the command
+          only_changed_files: '' # Run the linter only on the changed files. Accepts true|false
+          only_changed_lines: '' # Run the linter only on the changed lines. Accepts true|false