$showCustomFieldCheckbox = $custom_fields->fields[0];
$showCustomFieldDropdown = $custom_fields->fields[0] && $custom_fields->fields[0]['type'] == CustomFields::TYPE_DROPDOWN;
if ($showCustomFieldDropdown)
$showCustomFieldCheckbox = $custom_fields->fields[0];
$showCustomFieldDropdown = $custom_fields->fields[0] && $custom_fields->fields[0]['type'] == CustomFields::TYPE_DROPDOWN;
if ($showCustomFieldDropdown)