public function testProfileJson()
 {
     $client = new NextCallerPlatformClient(null, null, true);
     $client->getPlatformStatistics();
     $this->assertTrue(true);
 }
<?php

require __DIR__ . '/vendor/autoload.php';
use NextCaller\NextCallerPlatformClient;
$user = "";
$password = "";
$sandbox = true;
$client = new NextCallerPlatformClient($user, $password, $sandbox);
try {
    $statistic = $client->getPlatformStatistics();
    /*
    array(
        array(
            array
            (
                'id' => 'user1',
                'first_name' => 'user1_fname',
                'last_name' => 'user1_lname',
                'company_name' => 'company1_name',
                'email' => '*****@*****.**',
                'number_of_operations' => '15',
                'total_operations' => array('2014-11' => '15'),
                'billed_operations' => array('2014-11' => '15'),
                'resource_uri' => '/v2/platform_users/user1/',
            ),
            array(
                'id' => 'user2',
                'first_name' => '',
                'last_name' => '',
                'company_name' => '',
                'email' => '',