WordPress Coding Standards in VS Code

wpcs-vscode.md

You need Composer on your system: Install

Install WordPessCS

CD to your project root and run:

composer require --dev wp-coding-standards/wpcs

Configure VS Code

Install the PHP Sniffer & Beautifier extension. Open VS Code’s settings.json and add:

"[php]": {
    "editor.defaultFormatter": "valeryanm.vscode-phpsab",
    "editor.formatOnSave": true
}

also

"phpsab.standard": "WordPress"

Source: Edmund Chan