The PayPal Adaptive Payments PHP SDK by PayPal allows developers to integrate the PayPal Adaptive Payments API into their PHP projects and applications. This SDK requires PHP 5.2+ and the curl/openssl PHP extensions.
Google just made it easier for more developers to get paid in more countries around the world. The company expanded how consumers can pay for apps in the Play Store, and added to the number of countries that can sell apps.
From billion dollar companies to the neighborhood coffee shops, merchants of all sizes are seeking new ways to offer secure and affordable mobile payments systems that expand their ability to conduct business. The PayPal API got its start this way, first with online auctions, then with thousands of websites and individuals. It's now one of over 150 payment APIs, many of which exist outside of traditional finance.