PHP CodeSniffer – A video session to show the installation process and integrating with editor and also setting up CodeSniffer standard for CodeIgniter

Below are the links can be followed for more reference:
https://techtalkbook.wordpress.com/2014/10/22/php-codesniffer-a-tool-to-help-writing-codes-as-per-coding-standard-guideline/

http://pear.php.net/package/PHP_CodeSniffer/
https://github.com/thomas-ernest/CodeIgniter-for-PHP_CodeSniffer