Display Progress Bar While Generating Excel File In Php

I have a HTML form that, when you submit the form by clicking a button the application generates an Excel file using PHPExcel. Everything works fine, but when the excel file is big

Solution 1:

Use this library to upload your file, you can also show progress bar for your uploads: http://blueimp.github.io/jQuery-File-Upload/

To show progress for long-running PHP scripts: http://www.htmlgoodies.com/beyond/php/show-progress-report-for-long-running-php-scripts.html