Example on how to increase the value of the `max_execution_time` php ini variable.

bulk-download-for-gravity-forms-increase-max-execution-time.php

<?php
/**
 * Plugin Name: Bulk Download for Gravity Forms - Increase max_execution_time
 * Description: Example on how to increase the value of the `max_execution_time` php ini variable.
 * Author: VCAT Consulting GmbH
 * Author URI: https://www.vcat.de
 */

/**
 * Increase the max_execution_time to 300 seconds
 *
 * @return int
 */
function my_bdfgf_max_execution_time() {
	return 300;
}

add_filter( 'bdfgf_max_execution_time', 'my_bdfgf_max_execution_time' );