Generating File Downloads Using PHP
Problem:
When users click a link, a CSV file opens in the browser window instead of being downloaded.
Code Snippet:
<a href="files/csv/example/example.csv"> Click here to download an example of the "CSV" file </a>
Web Server Configuration:
- Ensure the web server is properly configured for serving files.
Approach 1: .htaccess Solution
To force all CSV files on the server to download:
AddType application/octet-stream csv
Approach 2: PHP Solution
To force a specific CSV file to download:
header('Content-Type: application/csv'); header('Content-Disposition: attachment; filename=example.csv'); header('Pragma: no-cache'); readfile("/path/to/yourfile.csv");
Notes:
- The Content-Type header specifies the MIME type of the file.
- The Content-Disposition header sets the file's name and disposition (e.g., attachment for downloading).
- The Pragma header prevents caching of the file.
- The readfile() function sends the contents of the CSV file to the browser.
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