我正在尝试在同一页面上验证表单,但出现错误。我想用用户输入的内容填写表单的值。html代码是:
<h4>Business Name</h4></td>
<td><input type="text" name="bname" size="30" required x-moz-errormessage="Enter business name" <?php if ( "$_POST[bname]" ) { echo " value='" . $_POST['bname'] . "'";} ?> ></td></tr>
错误信息是:Undefined index: bname in E:\Program Files\xampp\htdocs\registration.php >