Storing User’s Uncached IP Address in Hidden Field

/**

 * Do not store the cached IP address in a hidden field

 *

 * @link   https://wpforms.com/developers/how-to-store-the-non-cached-ip-address-into-a-hidden-field/

 */

function wpf_hidden_ip_avoid_cache( $fields, $entry, $form_data ){

    // Only run on the form with ID 727

    if( $form_data[ 'id' ] == 727 ) {

        //Look for the hidden field we want to replace the value of

        foreach( $fields as $field_id => $field ){

            // Look for field ID is 10 - it MUST be a Hidden Field, change this ID to match your field ID

            if( '10' == $field[ 'id' ] && 'hidden' == $field[ 'type' ] ){ 

                // Replace that value with the IP WPForms detects

                $fields[ $field_id ][ 'value' ] = wpforms_get_ip(); 

            }

        }

    }

    return $fields; 

}

add_filter( 'wpforms_process_filter', 'wpf_hidden_ip_avoid_cache', 10, 3 );