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<?php declare(strict_types = 1);
namespace Codor\Sniffs\Classes;
use PHP_CodeSniffer\Sniffs\Sniff as PHP_CodeSniffer_Sniff;
use PHP_CodeSniffer\Files\File as PHP_CodeSniffer_File;
class ExtendsSniff implements PHP_CodeSniffer_Sniff
{
/**
* The file where the token was found.
* @var PHP_CodeSniffer_File
*/
private $phpcsFile;
* Returns the token types that this sniff is interested in.
* @return array
public function register(): array
return [T_CLASS];
}
* Processes the tokens that this sniff is interested in.
*
* @param PHP_CodeSniffer_File $phpcsFile The file where the token was found.
* @param int $stackPtr The position in the stack where
* the token was found.
* @return void
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
$this->phpcsFile = $phpcsFile;
foreach ($phpcsFile->getTokens() as $token) {
$this->handleToken($token);
* Handle the incoming token.
* @param array $token Token data.
protected function handleToken($token)
if ($token['type'] !== 'T_EXTENDS') {
return;
$warning = "Class extends another class - consider composition over inheritance.";
$this->phpcsFile->addWarning($warning, $token['line'], __CLASS__);
bmitch /
Codor
