Save product image from WS on base64

[Zeben]

Hello, i'm developing a shop trying to load the categories, prices, products, manufactures from WebServices..
I can load all of them, but when i try to load the images to the products from base64 i can't, i really don't know how save the decoded base64 on folder /prestashop/img/

I lost a lot of hours with this problems,
really thanks for help.

[Code-Plus]

Hello, you should be replace string after decode image: 

 

$string64 = str_replace(' ','+',$string64);
$img64 = base64_decode(substr($string64, strpos($string64, ",")+1));

Regards!