Download file after form submit in PHP

In this article i am going to explain how to download after form submitted in PHP.There are two ways available to download file using php.In this example i have used both methods.

1.Using PHP
2.Using Javascript and meta tag.

Live DemoDownload Script

readfile() is used to Outputs a file.

PHP Function

$file="test.zip";
        header('Content-type:  application/zip');
        header('Content-Length: ' . filesize('test.zip'));
        header("Content-Disposition: attachment; filename='test.zip'");
        readfile($file);

Javascript function

<script>
    $(document).ready(function(){
      window.setTimeout(function(){
        window.location = 'test.zip';
      }, 1500);
    });
    </script>

Please share your comments and feedback.Thanks.Please subscribe my updates via email.