How to read a uploaded xlsx file ($_FILE) with Spout in PHP?

Spout is a PHP library to read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way.

How to read a uploaded csv file ($_FILE) with Spout in PHP?

Spout is a PHP library to read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way.