AFAIK that code will generate invalid HTML. Your <select>
allows a single option being selected, not multiple. So, change the code for selection in <option>
:
<option value="easy" name="easy" ${level == 'easy' ? "selected" : ''}>Easy</option>
<option value="medium" name="medium" ${level == 'medium' ? "selected" : ''}>Medium</option>
<option value="hard" name="hard" ${level == 'hard' ? "selected" : ''}>Hard</option>