How to call to a function at the end of the filter?

Hi,

I have a Contact Form 7 filter function to modify the form. Based on the user inputs I am differentiating as eligible and non-eligible. Then I want to redirect it to respective thank you pages. There are two thank you pages. One for eligiable and other one for not eligible. So, at the end I used this code to call to a function to do this.

add_filter('wpcf7_before_send_mail', 'validate_and_redirect');
function validate_and_redirect($contact_form) {
        // my form codes
        cf7_eligibility_thank_you_redirect($eligibility);
}

function cf7_eligibility_thank_you_redirect($eligibility) {
?>
<script type="text/javascript">
            document.addEventListener( 'wpcf7mailsent', function( event ) {
                // Check the eligibility value
                if ('<?php echo $eligibility; ?>' === 'Eligible') {
                    location = 'https://mywebsite.com/thank-you-eligible/';
                } else {
                    location = 'https://mywebsite.com/thank-you-not-eligible/';
                }
            }, false );
        </script>
<?php
}

When I run the code, I am getting this error. Form is submitting and receiving. But this redirection is not working. And spinning all along. Once I remove the function call from the filter function all works well.

{code: 'invalid_json', message: 'The response is not a valid JSON response.'}

Can you let me know how can I achieve this and do the redirection?

Note: Tested with disabling all plugins except CF7 and switching the theme to a default theme. Getting the same error.

• This topic was modified 11 months ago by wpreceiver.