src/Fixer/Casing/LowercaseKeywordsFixer.php
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        foreach ($tokens as $index => $token) {
            if ($token->isKeyword() && !$token->isGivenKind(self::$excludedTokens)) {
                $tokens[$index] = new Token([$token->getId(), strtolower($token->getContent())]);
            }
        }
    }
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        foreach ($tokens as $index => $token) {
            if ($token->isKeyword() && !$token->isGivenKind(self::$excludedTokens)) {
                $tokens[$index] = new Token([$token->getId(), strtolower($token->getContent())]);
            }
        }
    }
{@inheritdoc}