Excel Download Header Php [better] -

To download an Excel file in PHP, you must use the header() function to send the correct HTTP headers, which instruct the browser to treat the incoming data stream as a downloadable file rather than a standard web page. Core Headers for Excel Downloads

The specific headers you need depend on whether you are using the older .xls format (Excel 97-2003) or the modern .xlsx format (Excel 2007+). Modern Excel Format (.xlsx) Use these headers for standard OpenXML files: http header for downloading Microsoft Word and Excel files excel download header php