Firebase

firebase.php

<?php


class Firebase {

    // sending push message to single user by firebase reg id
    public function send($to, $message) {
        $fields = array(
            'to' => $to,
            //'data' => $message,
			'data' => array("message" => $message));
        
        return $this->sendPushNotification($fields);
    }

    // Sending message to a topic by topic name
    public function sendToTopic($to, $message) {
        $fields = array(
            'to' => '/topics/' . $to,
            //'data' => $message,
			'data' => array("message" => $message)
        );
        return $this->sendPushNotification($fields);
    }
	
	public function sendNews($to, $title, $body){
		  $fields = array(
        'to' => $to,
        'notification' => array("title" => $title,
            "body" => $body));
		
		 return $this->sendPushNotification($fields);		
	}
	

    // sending push message to multiple users by firebase registration ids
    public function sendMultiple($registration_ids, $message) {
        $fields = array(
            'to' => $registration_ids,
            //'data' => $message,
			'data' => array("message" => $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));

		//$mehehe = json_encode($fields, JSON_PRETTY_PRINT);
		//print($pretty_fields);
		
        // Execute post
        $result = curl_exec($ch);
        if ($result === FALSE) {
            die('Curl failed: ' . curl_error($ch));
        }

        // Close connection
        curl_close($ch);

        return $result;
		//return $mehehe;
    }
}

?>