/**
* Get image mime type
*
* @param string $pFile Filename
* @return string Mime Type
* @throws \PHPExcel\Writer\Exception
*/
private function getImageMimeType($pFile = '')
{
if (\PHPExcel\Shared\File::fileExists($pFile)) {
$image = getimagesize($pFile);
return image_type_to_mime_type($image[2]);
} else {
throw new \PHPExcel\Writer\Exception("File {$pFile} does not exist");
}
}
