PHPCS Coding standard Errors/warning

Problem/Motivation

There are some Few Drupal coding standard errors which needs to to be fixed.

Steps to reproduce

Run phpcs --standard=Drupal ./ from the CLI

 21 | ERROR   | [x] Spaces must be used to indent lines; tabs are not allowed
 21 | ERROR   | [x] Line indented incorrectly; expected 4 spaces, found 3
 22 | ERROR   | [x] Case breaking statement indented incorrectly; expected 5
   |         |     spaces, found 6
 28 | ERROR   | [x] There must be no blank lines after the function comment
 31 | ERROR   | [x] Spaces must be used to indent lines; tabs are not allowed
 31 | ERROR   | [x] Line indented incorrectly; expected 2 spaces, found 1