PHP code to send Android push notification to multiple device

Question

Below is the code for php in which i make a curl call to the GCM server:

//CODE TO SEND PUSH NOTIFICATION 
                        define('API_ACCESS_KEY', 'XXXXXXXXXXXXXXXXXXXXX');
                        $i = 0;
                        $result1 = mysql_query("SELECT * FROM `my_devices`") or die($log->lwrite("Error" . mysql_error()));
                        while ($row2 = mysql_fetch_array($result1)) {
                            $i = $i + 1;
                            $msg = array(
                                'message' => $resultTextValue
                            );

                            $fields = array(
                                'registration_ids' => array($row2['gcmId']),
                                'data' => $msg
                            );

                            $headers = array(
                                'Authorization: key=' . API_ACCESS_KEY,
                                'Content-Type: application/json'
                            );

                            $ch = curl_init();
                            curl_setopt($ch, CURLOPT_URL, 'https://android.googleapis.com/gcm/send');
                            curl_setopt($ch, CURLOPT_POST, true);
                            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
                            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
                            curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
                            $result = curl_exec($ch);
                            curl_close($ch);
                        }

My code is under development and has max of 10 device registered. So it take decent time to make send the notificaiton to all the device.

My concern is: when the app is deployed I will be having thousands of device to send the push notification. Won't it take a big amount of time for the push notification call?

I am new to PHP and copied the above code from some sample application.

if you want to send the same message to a certain group of devices, you can use 'registration_ids' (all IDs you want to send the message to) and a message, this way you can send many messages in 1 call. otherwise you may have to send the messages one by one for each recipient. — Yazan
– Yazan, Commented Jan 4, 2015 at 12:20
@Yazan Can you please provide some code for this, i m new to php — AabidMulani
– AabidMulani, Commented Jan 4, 2015 at 13:39
check this question and the selected answer stackoverflow.com/questions/25859898/… — Yazan
– Yazan, Commented Jan 4, 2015 at 15:06

Jamil · Accepted Answer · 2015-01-04 14:58:25Z

1

first get all the Registration ids to an array

$regIDS = array(); // set variable as array

  // get all ids in while loop and insert it into $regIDS array
 while ($row2 = mysql_fetch_array($result1)) {
array_push($regIDS ,$row2['gcmId'])
}

then in $fields, mention the array variable name $regIDS instead of array($row2['gcmId']

$fields = array(
        'registration_ids' => $regIDS ,
        'data' => $msg
 );

and you are now able to send msg to multiple device in a single push Notification Message.

http://php.net/manual/en/function.array-push.php

example pic=

here i have only two regIDs in database so here Success=2 in only one call of push notification

enter image description here

edited Jan 4, 2015 at 14:58

answered Jan 4, 2015 at 14:37

Jamil

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1 Comment

user5570620 Over a year ago

what if message is different for each token?

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