Re: Insert an image into document header in phpexcel Programming Web Development by Arvind_7 …'; require 'vendor/autoload.php'; //load phpspreadsheet class using namespaces use PhpOffice\PhpSpreadsheet\Spreadsheet; //call xlsx writer class to make… an xlsx file use PhpOffice\PhpSpreadsheet\Writer\Xlsx; use PhpOffice\PhpSpreadsheet\Worksheet\Drawing as drawing; // Instead PHPExcel_Worksheet_Drawing… Re: How to download an excel (.xls) file from a button in PHP Programming Web Development by Dani …However, they do have [official documentation here](https://phpspreadsheet.readthedocs.io/en/latest/) which includes this simple …<?php require 'vendor/autoload.php'; use PhpOffice\PhpSpreadsheet\Spreadsheet; use PhpOffice\PhpSpreadsheet\Writer\Xlsx; $spreadsheet = new Spreadsheet(); $activeWorksheet =… Re: How to download an excel (.xls) file from a button in PHP Programming Web Development by Dani … Excel files. [Here is a link to one of them, PHPSpreadsheet](https://github.com/PHPOffice…