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I have a form that, after you select some filters, allows you to download a file via PHPExcel. Well, this file may be large and I want to display a message, an image, or block the download button until the procedure is complete. I'd rather not have a function with a timeout, but a solution that follows the process to the end. I tried various guides on the net but I have not found a satisfactory solution. Can anyone helps me? Thank you!

DearS
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    Could you add code of the methods you've tried already? – sushibrain Jan 12 '16 at 09:39
  • the few solutions that I found using a timeout method. I wish that the "loader" follow the process until the file is downloaded. I found nothing about it. Thank you! – DearS Jan 12 '16 at 09:42
  • A possible solution is downloading files like Mega.co.nz does. take a look at the accepted answer to the following question: http://stackoverflow.com/questions/15994554/download-files-like-mega-co-nz – sushibrain Jan 12 '16 at 09:45

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