我正在使用 PHP 验证库。它仅附带一个示例,说明如何在表单顶部显示错误列表。
我怎样才能做到这一点,以便它会在标签和表单元素中为当前错误的每个字段回显'class =“error”'?
表单 HTML:
<table>
  <tr>
    <td align="right"><label for="first_name">First Name</label></td>
    <td>:</td>
    <td><input type="text" name="first_name" id="first_name"></td>
  </tr>
  <tr>
    <td align="right"><label for="last_name">Last name</label></td>
    <td>:</td>
    <td><input type="text" name="last_name" id="last_name"></td>
  </tr>
  <tr>
    <td align="right"><label for="phone">Phone</label></td>
    <td>:</td>
    <td><input type="text" name="phone" id="phone"></td>
  </tr>
  <tr>
    <td align="right"><label for="email">Email</label></td>
    <td>:</td>
    <td><input type="text" name="email" id="email"></td>
  </tr>
  <tr>
    <td align="right"><label for="state">State</label></td>
    <td>:</td>
    <td>
      <select name="state">
        <option value="">Select</option>
        <option value="AL">Alabama</option>
        <option value="AK">Alaska</option>
        <option value="AZ">Arizona</option>
        <option value="AR">Arkansas</option>
      </select>
    </td>
  </tr>
</table>
PHP 错误数组转储:
array(5) {
  ["first_name"]=>
  string(30) "First Name is a required field"
  ["last_name"]=>
  string(29) "Last Name is a required field"
  ["phone"]=>
  string(25) "Phone is a required field"
  ["email"]=>
  string(25) "Email is a required field"
  ["state"]=>
  string(21) "Please select a state"
}