What impact does script timeout have on file downloads in PHP, and how can developers adjust the time limit to prevent interruptions?

When a script timeout occurs in PHP during a file download, the download may be interrupted before completion. To prevent this, developers can adjust the time limit using the `set_time_limit()` function to ensure that the script has enough time to complete the download process without being terminated prematurely. 

// Set the maximum execution time to 0 to disable the time limit
set_time_limit(0);

// Code for file download
$file = 'path/to/file.ext';
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . basename($file) . '"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($file));
readfile($file);
exit;

Keywords

PHP script timeout file downloads time limit interruptions

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