如何将MDCSelect中的值传递给$ _POST变量？

Question

如何将'mdc-select__selected-text'中的值传递给PHP $ _POST？

Google Material Web Select - Docs

我是否必须在此处创建额外的“隐藏输入”并通过js保存值？所以我在$ _Post变量中发送表单时有它吗？

<div class="mdc-select" role="listbox">
  <div class="mdc-select__surface" tabindex="0">
    <div class="mdc-select__label">Pick a Food Group</div>
    <div class="mdc-select__selected-text"></div>
    <div class="mdc-select__bottom-line"></div>
  </div>
  <div class="mdc-menu mdc-select__menu">
    <ul class="mdc-list mdc-menu__items">
      <li class="mdc-list-item" role="option" tabindex="0">
        Bread, Cereal, Rice, and Pasta
      </li>
      <li class="mdc-list-item" role="option" tabindex="0">
        Vegetables
      </li>
      <li class="mdc-list-item" role="option" tabindex="0">
        Fruit
      </li>
      <li class="mdc-list-item" role="option" tabindex="0">
        Milk, Yogurt, and Cheese
      </li>
      <li class="mdc-list-item" role="option" tabindex="0">
        Meat, Poultry, Fish, Dry Beans, Eggs, and Nuts
      </li>
      <li class="mdc-list-item" role="option" tabindex="0">
        Fats, Oils, and Sweets
      </li>
    </ul>
  </div>
</div>