im searching for hours in doc but got nothing to merge and horizontal center..
anyone can help me how to do this?
my last code :
$spreadsheet = new Spreadsheet();
$excel = $spreadsheet->getActiveSheet();
$spreadsheet->getProperties()->setTitle($name_sheet)->setCreator('Creator');
$excel->mergeCells('A1:W1');
$excel->mergeCells('A2:W2');
$excel->mergeCells('A3:W3');
//how to make cells A1 till W1 to be centered cell?