I'm making an excel export using the Maatwebsite/Laravel-Excel version 3.1. I am trying to add an image to the header of every page but it doesn't seem to work.
I tried following the phpspreadsheet documentation for inserting image, but that doesn't seem to work.
$drawing->setName('PhpSpreadsheet logo');
$drawing->setPath('./images/PhpSpreadsheet_logo.png');
$drawing->setHeight(36);
$spreadsheet->getActiveSheet()->getHeaderFooter()->addImage($drawing, \PhpOffice\PhpSpreadsheet\Worksheet\HeaderFooter::IMAGE_HEADER_LEFT);```