有选择表格后,如:检查数组是否存在?
<select name="option[color][0]">
<select name="option[color][1]">
// option[color][2] isnt posted
有些产品不必须是选择,然后当我尝试从后得到他们,如果选择每次不贴,即时得到错误,如:
未定义抵消:2
如何检查,如果事情被贴? 尝试:
$ids = $_POST['id'];
$option = $_POST['option'];
foreach ($ids as $key => $id)
{
//Undefined offset: 2
if($option['color'][$key])
{
$_SESSION[$key]['option']['color'] = $option['color'][$key];
}
//Undefined offset: 2
if(!empty($option['color'][$key]))
{
$_SESSION[$key]['option']['color'] = $option['color'][$key];
}
//Undefined offset: 2
if(isset($option['color'][$key]))
{
$_SESSION[$key]['option']['color'] = $option['color'][$key];
}
//... etc
}
等....什么都我试试看,有错误:( 请帮
终于......谢谢:) – Bobo 2012-04-27 13:18:06