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在我的函数的执行，出现错误：PHP GCM未定义指数
[23-Apr-2015 01:08:39 Europe/Berlin] PHP Notice: Undefined index: syncNewData in C:\xampp\index.php on line 972
为线：$pushMessageTag = isset($_POST["syncNewData"]) ? $_POST["syncNewData"] : $_POST["syncNewData"];的功能：
function updateDataGCM($db) {
// Get all the GCM regIDs for anyone with new, "unseen" data:
$sqlAllRegIds = 'select distinct gcm_registration_id
from users
where id in (
select distinct myId as usersID from group_messages WHERE `read` = 1
UNION
SELECT distinct touid as usersID from messages where `read` = 1
UNION
SELECT distinct invited_id as usersID from event_invites where `status` = 1
UNION
select distinct receiver_id as usersID from group_invites where `status` = 1
UNION
select distinct requestId as usersID from friends where `status` = 1
)';
// Execute
if ($resultIds = $db->query($sqlAllRegIds))
{
$pushMessageTag = isset($_POST["syncNewData"]) ? $_POST["syncNewData"] : $_POST["syncNewData"];
$gcmRegIds = array($resultIds);
$message = array("syncNewData" => $pushMessageTag);
$pushStatus = sendPushNotificationToGCM($gcmRegIds, $message);
return $pushStatus;
}
}
我不明白为什么这个错误会发生，如何缓解？
UPDATE：
这是，在用户发送消息时，将发送的同步消息发送到GCM的操作：
case "sendGroupMessage":
if ($userId = authenticateUser($db, $username, $password, $gcmregid))
{
if (isset($_REQUEST['toGroupId']))
{ // instead of toUserName it's to a groupId
$toGroupName = $_REQUEST['toGroupName'];
$toGroupId = $_REQUEST['toGroupId'];
$message = $_REQUEST['messageText'];
$campaign = $_REQUEST['campaign_id'];
$location = $_REQUEST['location_id'];
// Query to get the users id's who are in the group but not the user sending the message
$sqlGroupMembers = "SELECT DISTINCT usersId from users_groups
WHERE usersId != '".$userId."' AND groupId = '".$toGroupId."'";
// Loop to create a copy of message for all users taht are part of that group
if($getGroupMembersId = $db->query($sqlGroupMembers))
{
while($rowGroupMembers = $db -> fetchObject($getGroupMembersId))
{
$sql22 = "INSERT INTO `group_messages` ..."
error_log("$sql22", 3 , "error_log");
if ($db->query($sql22))
{
$out = SUCCESSFUL;
}
else
{
$out = FAILED;
}
}
}
// Send GCM to turn on devices:
echo updateDataGCM($db);
}
else
{
$out = FAILED;
}
}
else
{
$out = FAILED;
}
break;
原始updateDataGCM（）
工作得很好：
function updateDataGCM() {
$gcmRegID = 'test id'
$pushMessage = $_POST["syncNewData"];
$gcmRegIds = array($gcmRegID);
$message = array("syncNewData" => $pushMessage);
$pushStatus = sendPushNotificationToGCM($gcmRegIds, $message);
return $pushStatus;
}
是表单POST方法并执行元件承受的name属性“syncNewData”？这些都是区分大小写的，如果你有错别字。 –
加上这个'isset（$ _ POST [“syncNewData”]）？ $ _POST [“syncNewData”]：$ _POST [“syncNewData”];'通常有''''而不是'isset（$ _ POST [“syncNewData”]）？ $ _POST [“syncNewData”]：'';' –
@ Fred-ii-没有任何形式，这是严格的在我的PHP服务器上，并且在用户db aciton – Sauron