/** * Get options for a specific field as string split by ; * @param int $field_id * @param string $ordered_by Extra query bit for reordering * @return string HTML string of options * @assert (0, '') === null */ public function get_field_options_by_field_to_string($field_id, $ordered_by = null) { $field = new ExtraField($this->type); $field_info = $field->get($field_id); $options = self::get_field_options_by_field($field_id, false, $ordered_by); $elements = array(); if (!empty($options)) { switch ($field_info['field_type']) { case ExtraField::FIELD_TYPE_DOUBLE_SELECT: $html = ExtraField::extra_field_double_select_convert_array_to_string($options); break; default: foreach ($options as $option) { $elements[] = $option['option_value']; } $html = implode(';', $elements); break; } return $html; } return null; }