php - 1000 User GCM: Array to String Conversion Error -


i attempting send batched gcm messages in blocks of 1000. however, below code returns error array string conversion in c:\xampp\htdocs\index.php on line 651

on line: echo updatedatagcm($db); within action:

case "sendgroupmessage":         if ($userid = authenticateuser($db, $username, $password, $gcmregid))          {                if (isset($_request['togroupid']))             {   // instead of tousername it's groupid                 $togroupname = $_request['togroupname'];                 $togroupid   = $_request['togroupid'];                   $message     = $_request['messagetext'];                 $campaign    = $_request['campaign_id'];                 $location    = $_request['location_id'];                  // query users id's in group not user sending message                         $sqlgroupmembers = "select distinct usersid users_groups                       usersid != '".$userid."' , groupid = '".$togroupid."'";                   // loop create copy of message users taht part of group                 if($getgroupmembersid = $db->query($sqlgroupmembers))                  {                     while($rowgroupmembers = $db -> fetchobject($getgroupmembersid))                     {                         $sql22 = "insert `group_messages`...";                                               error_log("$sql22", 3 , "error_log");                         if ($db->query($sql22))                          {                              $out = successful;                          }                                        else                          {                             $out = failed;                         }                                         }                                  }                  // send gcm turn on devices:                 echo updatedatagcm($db);                  }             else             {                 $out = failed;             }                     }         else         {             $out = failed;         }        break;

the updatedatagcm() function:

function updatedatagcm($db) {     // gcm regids new, "unseen" data:     $sqlallregids = 'select distinct gcm_registration_id                      users';      // execute     if ($resultids = $db->query($sqlallregids))      {         $gcmregids = array();         $i = 0;         while($query_row = $db -> fetchobject($resultids)) {             $i++;             $gcmregids[floor($i/1000)][] = $query_row;         }          $pushmessage = $_post["syncnewdata"];            $message = array("syncnewdata" => $pushmessage);         $pushstatus = array();         foreach($gcmregids $val) $pushstatus[] = sendpushnotificationtogcm($val, $message);         return $pushstatus;      }     }

how can send gcm messages properly?

nothing in code indicates gcm isn't sending properly; can't there.

however, indicating you're trying echo return value of updatedatagcm function array $pushstatus; you've returned function return $pushstatus;.

in order know you're working with, should use gettype($var), , var_dump($var); @ minimum.

sidenote

you should have read making of google cloud messaging. there things such rate limits, quality control, may impede ability send out 1000's of gcm's (which self doesn't make sense.)


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