private function getCombobox() { $ret = '<select name="dev_desk_number" id="dev_desk_number">'; $ret .= PHP_EOL . '<option value="0">Display di sala</option>'; foreach (Desk::getUsedDeskNumbers() as $num) { $selected = $this->dev_desk_number === $num ? ' selected' : ''; $ret .= "\n<option value=\"{$num}\"{$selected}>Display sportello {$num}</option>"; } $ret .= "\n</select>"; return $ret; }