WordPress coding standards

The WordPress coding standards are available in the Core Contributor Handbook

The WordPress PHP Coding Standards are located in the Core Contributor Handbook – PHP Coding Standards.

The WordPress HTML Coding Standards are located in the Core Contributor Handbook – HTML Coding Standards.

The WordPress CSS Coding Standards are located in the Core Contributor Handbook – CSS Coding Standards.

The WordPress JavaScript Coding Standards are located in the Core Contributor Handbook – JavaScript Coding Standards.