West/Sniffs/PHP/NoConstSniff.php
public function process(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        $error   = 'Use of constant "%s" is forbidden';
        $nextVar = $tokens[$phpcsFile->findNext([T_STRING], $stackPtr)];
        $varName = $nextVar['content'];
        $data    = [$varName];

        $phpcsFile->addError($error, $stackPtr, 'NotAllowed', $data);
    }
public function process(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        $error   = 'Use of constant "%s" is forbidden';
        $nextVar = $tokens[$phpcsFile->findNext([T_STRING], $stackPtr)];
        $varName = $nextVar['content'];
        $data    = [$varName];

        $phpcsFile->addError($error, $stackPtr, 'NotAllowed', $data);
    }
{@inheritdoc}