App\Libraries\ImageProcessor::purgeExif PHP Method

    public function purgeExif()
    {
        $this->parseInput();
        if ($this->inputDim[2] !== IMAGETYPE_JPEG) {
            return;
        }
        exec('jhead -autorot -purejpg -q ' . escapeshellarg($this->inputPath));
        $this->parseInput(true);
    }