Captioning\File::setLineEnding PHP Method

    public function setLineEnding($_lineEnding)
    {
        $lineEndings = array(self::UNIX_LINE_ENDING, self::MAC_LINE_ENDING, self::WINDOWS_LINE_ENDING);
        if (!in_array($_lineEnding, $lineEndings)) {
            return;
        }
        $this->lineEnding = $_lineEnding;
        if ($this->getCuesCount() > 0) {
            foreach ($this->cues as $cue) {
                $cue->setLineEnding($this->lineEnding);
            }
        }
    }