bypass-utm-forminator.php

<?php

add_action( 'wp_footer', function(){ ?>
<script>
	(function ($) {
		$(function () {
			$(document).on("after.load.forminator", function (e, id) {


				function getQueryParams(qs) {
				    qs = qs.split("+").join(" ");
				    var params = {}, tokens, re = /[?&]?([^=]+)=([^&]*)/g;
				    while (tokens = re.exec(qs)) {
					params[decodeURIComponent(tokens[1])] = decodeURIComponent(tokens[2]);
				    }
				    return params;
				}

				var query_params = getQueryParams(document.location.search);

                		// Update the hidden-ID to match the correct fields
				$(`forminator-custom-form #hidden-1`).val( query_params['utm_source'] );
				$(`forminator-custom-form #hidden-2`).val( query_params['utm_medium'] );
				$(`forminator-custom-form #hidden-3`).val( query_params['utm_campaign'] );
				$(`forminator-custom-form #hidden-4`).val( query_params['utm_content'] );
				$(`forminator-custom-form #hidden-5`).val( query_params['utm_term'] );
				$(`forminator-custom-form #hidden-6`).val( query_params['gclid'] );

			});
		});
	})(window.jQuery);
</script>
<?php }, 21); ?>