return-raw-url-fluentform.php

<?php

/*
* If you want to return raw provided url without any sanitization and security check then you can use this snippet.
*/
add_filter('fluentform_submission_confirmation', function ($returnData, $form, $confirmation) {
    if(empty($returnData['redirectUrl'])) {
        return $returnData;
    }

    if(empty($confirmation['customUrl'])) {
        return $returnData;
    }

    $returnData['redirectUrl'] = $confirmation['customUrl'];

}, 10, 3);