Fatal error: Uncaught Error: Interface "PHP_CodeSniffer_Sniff" not found in C:\xampp\htdocs\php\pear\PHP\CodeSniffer\Standards\MySource\Sniffs\Channels\UnusedSystemSniff.php:26 Stack trace: #0 {main} thrown in C:\xampp\htdocs\php\pear\PHP\CodeSniffer\Standards\MySource\Sniffs\Channels\UnusedSystemSniff.php on line 26