PHP-从选择列表中填充数组

Question

我有一个带有选项的选择列表。我将如何使用该列表中的所有选项填充数组？

//form
<form method="post" action="popArray.php">
  <select name="selectitem" multiple="multiple">
    <option value="United States">United States</option>
    <option value="Russia">Russia</option>
    <option value="North Korea">North Korea</option>
  </select>
  <input type="submit" value="List">
</form>
//popArray.php
<?php
$areas = array();
//throw all the options into that array.
?>

Answer 1

您需要在列表名称中添加方括号：

<select name="selectitem[]" multiple="multiple">