"require":
    {
        "sorin/pushbullet":"dev-master"
    }

<?php
use unusorin\PushBullet\DataProvider;
use unusorin\PushBullet\DeviceManager;

require_once 'vendor/autoload.php';

$deviceManager = new DeviceManager(
    new DataProvider('YOUR_API_KEY')
);

$nexus4 = $deviceManager->get('YOUR_DEVICE_ID');
//getAll to return all available devices

var_dump($nexus4->sendNote('Ubuntu server', 'Crash'));
//also available: sendLink, sendAddress
//sendFile & sendList available soon