src/Tokenizer/Transformer/WhitespacyCommentTransformer.php
public function process(Tokens $tokens, Token $token, $index)
    {
        if (!$token->isComment()) {
            return;
        }

        $content = $token->getContent();
        $trimmedContent = rtrim($content);

        // nothing trimmed, nothing to do
        if ($content === $trimmedContent) {
            return;
        }

        $whitespaces = substr($content, \strlen($trimmedContent));

        $tokens[$index] = new Token([$token->getId(), $trimmedContent]);

        if (isset($tokens[$index + 1]) && $tokens[$index + 1]->isWhitespace()) {
            $tokens[$index + 1] = new Token([T_WHITESPACE, $whitespaces.$tokens[$index + 1]->getContent()]);
        } else {
            $tokens->insertAt($index + 1, new Token([T_WHITESPACE, $whitespaces]));
        }
    }
public function process(Tokens $tokens, Token $token, $index)
    {
        if (!$token->isComment()) {
            return;
        }

        $content = $token->getContent();
        $trimmedContent = rtrim($content);

        // nothing trimmed, nothing to do
        if ($content === $trimmedContent) {
            return;
        }

        $whitespaces = substr($content, \strlen($trimmedContent));

        $tokens[$index] = new Token([$token->getId(), $trimmedContent]);

        if (isset($tokens[$index + 1]) && $tokens[$index + 1]->isWhitespace()) {
            $tokens[$index + 1] = new Token([T_WHITESPACE, $whitespaces.$tokens[$index + 1]->getContent()]);
        } else {
            $tokens->insertAt($index + 1, new Token([T_WHITESPACE, $whitespaces]));
        }
    }
{@inheritdoc}