Display Form After Confirmation

/**

 * Display form after confirmation

 *

 * @link https://wpforms.com/developers/how-to-display-the-confirmation-and-the-form-again-after-submission/

 * 

 * For support, please visit: https://www.facebook.com/groups/wpformsvip

 */

function wpf_dev_frontend_output_success(  $form_data, $fields, $entry_id ) {

    // Only process this snippet on form ID 999999

    // To find your form or field ID, visit https://wpforms.com/developers/how-to-locate-form-id-and-field-id/

    if ( absint( $form_data[ 'id' ] ) !== 999999 ) {

        return;

    }

                // Reset the fields to blank

        unset(

            $_GET[ 'wpforms_return' ],

            $_POST[ 'wpforms' ][ 'id' ]

        );

        // Uncomment this line out if you want to clear the form field values after submission

        unset( $_POST[ 'wpforms' ][ 'fields' ] );

        // Actually render the form.

        wpforms()->frontend->output( $form_data[ 'id' ] );

}

add_action( 'wpforms_frontend_output_success', 'wpf_dev_frontend_output_success', 10, 3 );