Hello. Check condition. The code in parenthesis after the variable with && !empty($custom_field[`validation`] && $custom_field[`location`] == `address`)) according to the error condition should be as follows: !empty($custom_field[`validation`]) && $custom_field[`location`] == `address`) Here is the error: elseif (($custom_field[`type`] == `text` && !empty($custom_field[`validation`] && $custom_field[`location`] == `address`)) && !filter_var($value[`custom_field`][$custom_field[`custom_field_id`]], FILTER_VALIDATE_REGEXP, array(`options` => array(`regexp` => $custom_field[`validation`])))) { |
