I am using https://github.com/paypal/PayPal-PHP-SDK But when I hit any api from samples project/PayPal-PHP-SDK/paypal/rest-api-sdk-php/sample. It give me failed status . Basically I need to process credit card on my site. I am using PHP 5.5.9
I have used direct download for installation .
Is there any solution to this . Please let me know . Thanks