Launch a Popup Maker popup from a link, automatically close the popup after 8 seconds, and redirect to the link that originally launched the popup

popup_maker_auto_close_then_redirect.php

<?php // Ignore this first line when copying to your child theme's functions.php file.

function auto_close_then_redirect()
{ ?>
	<script type="text/javascript">
		jQuery(document).ready(function($) {

			// ADD CUSTOM CODE HERE

			let myRedirectURL = "/"; // Default to the homepage

			// Listen for when the popup opens.
			$('#pum-1208') // Change 1208 to your popup ID number.
				.on('pumAfterOpen', function() {
					try {
						let trigger = $($.fn.popmake.last_open_trigger); // Get the link that was just clicked.
						myRedirectURL = $(trigger).children('a')[0];
						console.log(`[PUM] trigger link: ${$(trigger).children('a')[0]}`); // Remove for prod.
					} catch (Error) {
						console.error(`[PUM] Bailed because there's no click trigger`);
					}; // try
					setTimeout(function() {
						PUM.close(1208); // Change 1208 to your popup ID number.
						window.open(myRedirectURL, "_blank"); // Redirect
					}, 8000); // Timeout after 8 seconds. Adjust as needed.
				}); // listener
		}); // jQuery
	</script>
<?php }
add_action('wp_footer', 'auto_close_then_redirect', 500);
/**
 * You can add the PHP code snippet to your child theme's functions.php file 
 * or with third-party plugins such as My Custom Functions and Code Snippets.
 *
 * Learn more:
 * - https://docs.wppopupmaker.com/article/84-getting-started-with-custom-js
 * - https://docs.wppopupmaker.com/article/552-getting-started-with-custom-php
 */
/**
 * Example HTML for the click open link.
 *
 * <p class="popmake-1208 pum-trigger" id="sample-page-li-link" style="cursor: pointer;">
 *   <a href="https://twenty-twentyone.local/li-tips-sept-2016/" target="_blank" rel="noreferrer noopener">
 *     Get the Learning Indonesian PDF!
 *   </a>
 * </p>
 * 
 * See demo: https://share.wppopupmaker.com/xQuz8oE4
 */