wp_privacy_delete_old_export_files

WordPress Version: 5.2

/**
 * Cleans up export files older than three days old.
 *
 * The export files are stored in `wp-content/uploads`, and are therefore publicly
 * accessible. A CSPRN is appended to the filename to mitigate the risk of an
 * unauthorized person downloading the file, but it is still possible. Deleting
 * the file after the data subject has had a chance to delete it adds an additional
 * layer of protection.
 *
 * @since 4.9.6
 */
function wp_privacy_delete_old_export_files()
{
    $exports_dir = wp_privacy_exports_dir();
    if (!is_dir($exports_dir)) {
        return;
    }
    require_once ABSPATH . 'wp-admin/includes/file.php';
    $export_files = list_files($exports_dir, 100, array('index.html'));
    /**
     * Filters the lifetime, in seconds, of a personal data export file.
     *
     * By default, the lifetime is 3 days. Once the file reaches that age, it will automatically
     * be deleted by a cron job.
     *
     * @since 4.9.6
     *
     * @param int $expiration The expiration age of the export, in seconds.
     */
    $expiration = apply_filters('wp_privacy_export_expiration', 3 * DAY_IN_SECONDS);
    foreach ((array) $export_files as $export_file) {
        $file_age_in_seconds = time() - filemtime($export_file);
        if ($expiration < $file_age_in_seconds) {
            unlink($export_file);
        }
    }
}