public function isHeaderComment(Tokens $tokens, $index)
    {
        if (!$tokens[$index]->isGivenKind([T_COMMENT, T_DOC_COMMENT])) {
            throw new \InvalidArgumentException('Given index must point to a comment.');
        }

        $prevIndex = $tokens->getPrevMeaningfulToken($index);

        return $tokens[$prevIndex]->isGivenKind(T_OPEN_TAG) && null !== $tokens->getNextMeaningfulToken($index);
    }
public function isHeaderComment(Tokens $tokens, $index)
    {
        if (!$tokens[$index]->isGivenKind([T_COMMENT, T_DOC_COMMENT])) {
            throw new \InvalidArgumentException('Given index must point to a comment.');
        }

        $prevIndex = $tokens->getPrevMeaningfulToken($index);

        return $tokens[$prevIndex]->isGivenKind(T_OPEN_TAG) && null !== $tokens->getNextMeaningfulToken($index);
    }
@param Tokens $tokens
@param int    $index

@return bool