Php Download Xlsx File Header |verified| -

: Often set to max-age=0 to ensure the browser doesn't serve a stale, cached version of the document. Code Implementation Examples 1. Downloading an Existing File

If you already have a generated .xlsx file on your server, use this approach: http header for downloading Microsoft Word and Excel files php download xlsx file header

: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet . : Often set to max-age=0 to ensure the

: Sets the default filename and tells the browser to treat it as an attachment. php download xlsx file header

To force a browser to download an .xlsx file using PHP, you must send specific HTTP headers that define the file type and the download behavior. The most critical header is the , which for modern Excel files (Office OpenXML) must be application/vnd.openxmlformats-officedocument.spreadsheetml.sheet . Core Headers for XLSX Download