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I'm new to push notifications using FCM from php to Android devices. From android side I have generated FCM reg_id & send it over php script & store into mysql database. Now, I would like to send notifications from php script to multiple android devices simultaneously.
Here is the php scripts that are used during sending push notifications :
1.firebase.php (reference link)
<?php
class Firebase {
// sending push message to single user by firebase reg id
public function send($to, $message) {
$fields = array(
'to' => $to,
'data' => $message,
);
return $this->sendPushNotification($fields);
}
// sending push message to multiple users by firebase registration ids
public function sendMultiple($registration_ids, $message) {
$fields = array(
'registration_ids' => $registration_ids,
'data' => $message,
);
return $this->sendPushNotification($fields);
}
// function makes curl request to firebase servers
private function sendPushNotification($fields) {
require_once('config.php');
// Set POST variables
$url = 'https://fcm.googleapis.com/fcm/send';
$headers = array(
'Authorization: key=' . FIREBASE_API_KEY,
'Content-Type: application/json'
);
// Open connection
$ch = curl_init();
// Set the url, number of POST vars, POST data
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Disabling SSL Certificate support temporarly
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
// Execute post
$result = curl_exec($ch);
// echo "Result".$result;
if ($result === FALSE) {
die('Curl failed: ' . curl_error($ch));
}
// Close connection
curl_close($ch);
return $result;
}
}
?>
2.push.php : (reference link)
<?php
class Push {
// push message title
private $title;
private $message;
private $image;
// push message payload
private $data;
// flag indicating whether to show the push
// notification or not
// this flag will be useful when perform some opertation
// in background when push is recevied
private $is_background;
function __construct() {
}
public function setTitle($title) {
$this->title = $title;
}
public function setMessage($message) {
$this->message = $message;
}
public function setImage($imageUrl) {
$this->image = $imageUrl;
}
public function setPayload($data) {
$this->data = $data;
}
public function setIsBackground($is_background) {
$this->is_background = $is_background;
}
public function getPush() {
$res = array();
$res['data']['title'] = $this->title;
$res['data']['is_background'] = $this->is_background;
$res['data']['message'] = $this->message;
$res['data']['timestamp'] = date('Y-m-d G:i:s');
return $res;
}
}
3.test.php
<?php
include_once('config.php');
require_once('DB_Functions.php');
require_once('firebase.php');
require_once('push.php');
$db = new DB_Functions();
$firebase = new Firebase();
$push = new Push();
if(isset($_POST['send']))
{
// $sendvalue = $_POST['send'];
ChromePhp::log('send it '.$_POST['send']." user
category:".$_POST['user_category']." Title : ".$_POST['message_title']." Message : ".$_POST['message_to_send']);
$ucategory = $_POST['user_category'];
ChromePhp::log('U category '.$ucategory);
// notification title
$messageTitle = isset($_POST['message_title']) ? $_POST['message_title'] : '';
// notification message
$messageToSend = isset($_POST['message_to_send']) ? $_POST['message_to_send'] : '';
ChromePhp::log('Message Title '.$messageTitle." Message:".$messageToSend);
$userslist_with_fcm_id = $db->getUsersFCMId($ucategory);
ChromePhp::log('FCM LIST '.$userslist_with_fcm_id->num_rows);
// var_dump($userslist_with_fcm_id);
$push->setTitle($messageTitle);
$push->setMessage($messageToSend);
$push->setIsBackground(FALSE);
$json = '';
$response = '';
if ($userslist_with_fcm_id->num_rows > 0) {
while ($row = mysqli_fetch_array($userslist_with_fcm_id)){
ChromePhp::log('FCM ID '.$row['fcm_id']);
$json = $push->getPush();
$regId = $row['fcm_id'];
$response = $firebase->send($regId, $json);
}
}
else{
echo '<h3>Oops ! You got empty data</h3>';
}
var_dump($response);
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Admin Panel</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- jQuery UI -->
<link href="https://code.jquery.com/ui/1.10.3/themes/redmond/jquery-ui.css" rel="stylesheet" media="screen">
<!-- Bootstrap -->
<link href="bootstrap/css/bootstrap.min.css" rel="stylesheet">
<!-- styles -->
<link href="css/styles.css" rel="stylesheet">
<link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
<link href="vendors/form-helpers/css/bootstrap-formhelpers.min.css" rel="stylesheet">
<link rel="stylesheet" href="css/pure-min.css">
<link href="css/forms.css" rel="stylesheet">
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
<![endif]-->
<style type="text/css">
body{
}
div.container{
width: 1000px;
margin: 0 auto;
position: relative;
}
legend{
font-size: 30px;
color: #555;
}
.btn_send{
background: #00bcd4;
}
label{
margin:10px 0px !important;
}
textarea{
resize: none !important;
}
.fl_window{
width: 400px;
position: absolute;
right: 0;
top:100px;
}
pre, code {
padding:10px 0px;
box-sizing:border-box;
-moz-box-sizing:border-box;
webkit-box-sizing:border-box;
display:block;
white-space: pre-wrap;
white-space: -moz-pre-wrap;
white-space: -pre-wrap;
white-space: -o-pre-wrap;
word-wrap: break-word;
width:100%; overflow-x:auto;
}
</style>
<script type="text/javascript">
function sendMessage()
{
// alert("method called");
var chx = document.getElementsByTagName('input');
for (var i=0; i<chx.length; i++)
{
// If you have more than one radio group, also check the name attribute
// for the one you want as in && chx[i].name == 'choose'
// Return true from the function on first match of a checked item
if (chx[i].type == 'radio' && chx[i].checked)
{
// alert("checked: "+chx[i].value);
$.ajax({
url: 'test.php',
type: 'post',
data: {
send:"true",
user_category :chx[i].value,
message_title : document.getElementById('title').value,
message_to_send : document.getElementById('message').value
},
success: function(data, textStatus, jqXHR)
{
//data - response from server
// alert("success :".textStatus);
},
error: function (jqXHR, textStatus, errorThrown)
{
// alert("failed :".textStatus);
}
});
}
}
}
</script>
</head>
<body>
<div class="header">
<div class="container">
<div class="row">
<div class="col-md-5">
<!-- Logo -->
<div class="logo">
<h1><a href="index.php">Admin Panel</a></h1>
</div>
</div>
<div class="col-md-5">
</div>
<div class="col-md-6">
<div class="navbar navbar-inverse" role="banner">
<nav class="collapse navbar-collapse bs-navbar-collapse navbar-right" role="navigation">
<ul class="nav navbar-nav">
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">My Account <b class="caret"></b></a>
<ul class="dropdown-menu animated fadeInUp">
<li><a href="updateProfile.php">Update Profile</a></li>
<li><a href="logout.php">Logout</a></li>
</ul>
</li>
</ul>
</nav>
</div>
</div>
</div>
</div>
</div>
<div class="page-content">
<div class="row">
<div class="col-md-2">
<div class="sidebar content-box" style="display: block;">
<ul class="nav">
<!-- Main menu -->
<li><a href="index.php"><i class="glyphicon glyphicon-tasks"></i>App Users</a></li>
<li><a href="halt_sponsors_senate.php"><i class="glyphicon glyphicon-tasks"></i>Senate HALT Supporters</a></li>
<li><a href="halt_sponsors_assembly.php"><i class="glyphicon glyphicon-tasks"></i>Assembly HALT Supporters</a></li>
<li><a href="brief_call_history.php"><i class="glyphicon glyphicon-tasks"></i>Call History</a></li>
<li><a href="send_message.php"><i class="glyphicon glyphicon-tasks"></i>Send Messages</a></li>
<!-- <li><a href="voice_prompt_form.php"><i class=class="glyphicon glyphicon-tasks"></i>Voice Prompt</a></li> -->
</li>
</ul>
</div>
</div>
<div class="col-md-10">
<div class="row">
<div class="col-md-12">
<div class="content-box-large">
<div class="panel-body">
<form class="pure-form pure-form-stacked" method="POST">
<fieldset>
<legend>Create Message</legend>
<label for="title">Title</label>
<input type="text" value="Support Halt" id="title" name="title" class="pure-input-1-2" placeholder="Enter title">
<label for="message">Message</label>
<textarea class="pure-input-1-2" name="message" id="message" placeholder="Notification message!" rows="5" >Hello World</textarea>
<br>
<h5>
<input type="radio" id="user_category" name="user_category" value="userswithopponents"> Users with opponents<br>
<br>
<input type="radio" id="user_category" name="user_category" value="userswithsupporters"> Users with supporters<br>
<br>
<input type="radio" id="user_category" name="user_category" value="everyone"> Everyone <br>
<br>
<input type="radio" id="user_category" name="user_category" value="nyresidentsonly"> NY residents only </h5>
</br>
<input type="hidden" name="push_type" value="individual"/>
<button type="submit" class="btn btn-primary" onclick="sendMessage()">Send</button>
</fieldset>
</form>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<link href="vendors/datatables/dataTables.bootstrap.css" rel="stylesheet" media="screen">
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://code.jquery.com/jquery.js"></script>
<!-- jQuery UI -->
<script src="https://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="bootstrap/js/bootstrap.min.js"></script>
<script src="vendors/datatables/js/jquery.dataTables.min.js"></script>
<script src="vendors/datatables/dataTables.bootstrap.js"></script>
<script src="js/custom.js"></script>
<script src="js/tables.js"></script>
So, as of now I have tried to iterate over all reg_ids from database & call send method but it didn't send notifications to any devices .
424
Register your app with FirebaseGo to the Firebase console. In the center of the project overview page, click the Android icon (plat_android) or Add app to launch the setup workflow. Enter your app's package name in the Android package name field. What's a package name, and where do you find it?
Now to send Notifications to multiple devices of a user, you just need to send a notification to the user's Device Token group which, in turn, sends the push notification to all the devices in the group.
Messaging. sendToDevice() to send messages to multiple android devices.
Firebase Cloud Messaging provides these two ways to target a message to multiple devices: Topic messaging, which allows you to send a message to multiple devices that have opted in to a particular topic. Device group messaging, which allows you to send a message to multiple devices that belong to a group you define.
If you were to send notification via terminal the data part of the curl command would look like this:
{
"registration_ids": ["device_token_1", "device_token_2"],
"notification": {
"body": "Hello",
"title": "Hello",
"vibrate": 1,
"sound": 1
}
}
PHP code:
$body = array(
'registration_ids' => array("device_token_1", "device_token_2"),
'notification' => array('body' => 'Hello', 'title' => 'Hello', 'vibrate' => 1, 'sound' => 1)
);
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