Captioning\Cue::setLineEnding PHP Метод

    public function setLineEnding($_lineEnding)
    {
        $lineEndings = array(File::UNIX_LINE_ENDING, File::MAC_LINE_ENDING, File::WINDOWS_LINE_ENDING);
        if (!in_array($_lineEnding, $lineEndings)) {
            return;
        }
        $this->lineEnding = $_lineEnding;
        return $this;
    }