ProdigyTech/PushNotifications.php

## PushNotifications.php
class PushNotifications{
    private  static  $API_ACCESS_KEY = "YOUR_FCM_SERVER_KEY ";
    public function __construct() {
       // exit('Init function is not allowed');
   }
public function android($data, $reg_id) {
     $url = 'https://fcm.googleapis.com/fcm/send';
     $message = array
     (
         'title' => $data['mtitle'],
         'body' => $data['mdesc'],
         'subtitle' => '',
         'tickerText' => '',
         'msgcnt' => 1,
         'vibrate' => 1
     );

     $headers = array(
         'Content-Type:application/json',
         'Authorization:key='.self::$API_ACCESS_KEY
     );
     $fields = array(
         'notification' => $message,
         'to' => $reg_id,
     );
     return self::useCurl($url, $headers, $fields);
 }

private function useCurl($url, $headers , $fields) {
        $ch = curl_init();
        if ($url) {
            // 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($ch, CURLOPT_SSL_VERIFYPEER, false);
            if ($fields) {
                curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
            }
            // Execute post
            $result = curl_exec($ch);
            $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
            if ($result === FALSE) {
                die('Curl failed: ' . curl_error($ch));
            }
            // Close connection
            curl_close($ch);
       //checking the response code we get from fcm for debugging purposes
            echo "http response " . $httpcode;
       //checking the status/result of the push notif for debugging purposes
            echo $result;
            return $result;
        }

    }
}

## TestNotifications.php
function SendToDevice($title, $message, $regId)
{
    require_once('TestNotifications.php');
    // Message payload, using data from post request
    $msg_payload = array(
        'mtitle' => $title,
        'mdesc' => $message,
    );
    $var = new PushNotifications();
    $var->android($msg_payload, $regId);
}
if ( $_SERVER['REQUEST_METHOD'] == 'POST' && (!empty($_POST['SendTo']))) {
    SendToDevice($_POST['title'], $_POST['messageBody'], $_POST['SendTo']);
}

<!-- HTML Form that contains input fields to send notification data in POST request on submit -->
<!DOCTYPE HTML>
<html>
<meta name="viewport" content="width=device-width, initial-scale=1">
<h1>Test FCM from server to client! </h1>
</header>

<form method="POST" action = "TestNotifications.php">
    Who do you want to send the alert to?
    <select id = "SendTo" name="SendTo">
<!-- Put the FCM registration token in option value  -->
        <option value="FCM registration token">Device 1</option>
    </select>
    <br />
    Title: <input tye="text" name ="title" id="title">
    <br />
    Message Body : <input type = "text", name = "messageBody">
    <br />
    <input type="submit" name="submit" id="submit">
</form>
</body>
</html>
	class PushNotifications{
	private static $API_ACCESS_KEY = "YOUR_FCM_SERVER_KEY ";
	public function __construct() {
	// exit('Init function is not allowed');
	}
	public function android($data, $reg_id) {
	$url = 'https://fcm.googleapis.com/fcm/send';
	$message = array
	(
	'title' => $data['mtitle'],
	'body' => $data['mdesc'],
	'subtitle' => '',
	'tickerText' => '',
	'msgcnt' => 1,
	'vibrate' => 1
	);

	$headers = array(
	'Content-Type:application/json',
	'Authorization:key='.self::$API_ACCESS_KEY
	);
	$fields = array(
	'notification' => $message,
	'to' => $reg_id,
	);
	return self::useCurl($url, $headers, $fields);
	}

	private function useCurl($url, $headers , $fields) {
	$ch = curl_init();
	if ($url) {
	// 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($ch, CURLOPT_SSL_VERIFYPEER, false);
	if ($fields) {
	curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
	}
	// Execute post
	$result = curl_exec($ch);
	$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	if ($result === FALSE) {
	die('Curl failed: ' . curl_error($ch));
	}
	// Close connection
	curl_close($ch);
	//checking the response code we get from fcm for debugging purposes
	echo "http response " . $httpcode;
	//checking the status/result of the push notif for debugging purposes
	echo $result;
	return $result;
	}

	}
	}
	function SendToDevice($title, $message, $regId)
	{
	require_once('TestNotifications.php');
	// Message payload, using data from post request
	$msg_payload = array(
	'mtitle' => $title,
	'mdesc' => $message,
	);
	$var = new PushNotifications();
	$var->android($msg_payload, $regId);
	}
	if ( $_SERVER['REQUEST_METHOD'] == 'POST' && (!empty($_POST['SendTo']))) {
	SendToDevice($_POST['title'], $_POST['messageBody'], $_POST['SendTo']);
	}

	<!-- HTML Form that contains input fields to send notification data in POST request on submit -->
	<!DOCTYPE HTML>
	<html>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<h1>Test FCM from server to client! </h1>
	</header>

	<form method="POST" action = "TestNotifications.php">
	Who do you want to send the alert to?
	<select id = "SendTo" name="SendTo">
	<!-- Put the FCM registration token in option value -->
	<option value="FCM registration token">Device 1</option>
	</select>
	<br />
	Title: <input tye="text" name ="title" id="title">
	<br />
	Message Body : <input type = "text", name = "messageBody">
	<br />
	<input type="submit" name="submit" id="submit">
	</form>
	</body>
	</html>