PhpCsFixer\Fixer\Comment\HeaderCommentFixer::getLineBreakCount PHP Method

    private function getLineBreakCount(Tokens $tokens, $indexStart, $indexEnd)
    {
        $lineCount = 0;
        for ($i = $indexStart; $i < $indexEnd; ++$i) {
            $lineCount += substr_count($tokens[$i]->getContent(), "\n");
        }
        return $lineCount;
    }