jquery获取多个checkbox的值异步提交给php的方法

<tr>
<td><input type="checkbox" name="uid" value="<?=$item['mtaccount_id']?>"></td>
<td><?=$item['mtaccount_id']?></td>
<td><?=$item['account_id']?></td>
<td><?=$item['account_name']?></td>
<td><?=$item['server']?></td>
<td><?=$item['platform']?></td>
</tr>

<li><input type="checkbox" name="uid" value="1" />用户1</li>
<li><input type="checkbox" name="uid" value="2" />用户2</li>
<li><input type="checkbox" name="uid" value="3" />用户3</li>
<li><input type="checkbox" name="uid" value="4" />用户4</li>

var mt4Ids = [];
$('input[name=uid]').each(function() {
if(this.checked) {
mt4Ids.push($(this).val());
}
});
data = {
mt4Ids : JSON.stringify(mt4Ids)
};
var pUrl = "/a/manageUser.html";
$.post(pUrl, data, function(data){
if(data.state == 1){
alert(data.msg);
location.href = "/h/permission.html";
}else{
alert("操作失败");
}
}, 'json');

$mt4Ids = !empty($_POST['mt4Ids']) ? $_POST['mt4Ids'] : false;
$stripMt4Ids = preg_replace('/["[]]/', '', $mt4Ids);
$mt4IdsToArr = explode(',', $stripMt4Ids);
foreach($mt4IdsToArr as $uid){
permission_relation::add($uid, $gid);
}
$data = array(
'state' => 1,
'msg' => '操作成功'
);
echo json_encode($data);
return false;
// $gid 可忽略