^^&&^^

Edit File: B2Client.inc

<?php
namespace B2\Http;
use GuzzleHttp\Client;
use B2\Exceptions\B2Exception;
use GuzzleHttp\Exception\ClientException;
/**
 * Author:		Shlomi
 * Date:		Sep 3, 2017 6:04:19 PM
 * Founder:		Shlomi Bazak (SBZsoft) (c)
 * File: 		B2Client.inc
 *  
 * Description:
 *		
 */
 
// No direct access.
defined("__NSS__") or die("Restrected Access.");
class B2Client extends Client{
	
	const HTTP_STATUS_OK 	= 200;
	const METHOD_GET 		= "GET";
	const METHOD_POST 		= "POST";
	
	private $_auth;
	
	/**
	 * 
	 * @param string $accountId
	 * @param string $applicationKey
	 */
	public function __construct($accountId, $applicationKey){
		parent::__construct();		
		$this->_auth = new Auth($accountId, $applicationKey, $this);
	}
	/**
	 * 
	 * @param string $method One of B2Client::METHOD_* consts of this class
	 * @param string $uri request url
	 * @param array $options options of the Request
	 * @see \GuzzleHttp\Client
	 * @return mixed|array the response data
	 */
	public function _requestJson($method, $uri, $options){
		try {
			$response = $this->request($method, $uri, $options);
		}catch(ClientException $e){
			$decoded = json_decode($e->getResponse()->getBody(), true);
			throw B2Exception::genException($decoded);
		}
		$decoded = json_decode($response->getBody(), true);
		if($response->getStatusCode() !== self::HTTP_STATUS_OK) 
			throw B2Exception::genException($decoded);
		return $decoded;
	}
	
	/**
	 * 
	 * @param string $apiCall use one of B2Api consts
	 * @param array $params the parametes listed in the B2Api consts documentation
	 * @return mixed|array the response data
	 */
	public function requestApi($apiCall, $params){
		$apiUrl = $this->_auth->getApiUrl() . $apiCall;
		$options = [
			'headers' => ['Authorization' => $this->_auth->getAuthToken()],
			'json' => $params
		];
		return $this->_requestJson(self::METHOD_POST, $apiUrl, $options);
	}
	
	/**
	 * 
	 * @param string $pathToFile the path on B2 servers including the bucket ie "BUCKET_NAME/PATH/TO/FILE.txt"
	 * @param string $saveTo local path to save the downloaded file to
	 * @return array data
	 */
	public function requestDownload($pathToFile, $saveTo=null){
		$options = [
			'headers' => ['Authorization' => $this->_auth->getAuthToken()],
			'sink' => $saveTo
		];
		$uri = sprintf('%s/file/%s', $this->getDownloadUrl(), $pathToFile);
		return $this->request(self::METHOD_GET, $uri, $options);
	}
	
	/**
	 * Get the aaccount ID of B2 account connected
	 * @return string
	 */
	public function getAccountId(){ return $this->_auth->getAccountId(); }
	
	/**
	 * Get Download Url of B2 account connected
	 * @return string
	 */
	public function getDownloadUrl() { return $this->_auth->getDownloadUrl(); }
	
}