I have some questions about integrating paypal system. 1. Users need to create the paypal account for recurring system? 2. Can we use this "Try the buttons" integration for paypal recurring payment? https://developer.paypal.com/docs/checkout/ 3. If users signup with the credit card, can we get the credit card brand. last 4 digits, and expiration date? 4. Can we use php api to create recurring system with paypal account or credit cards?
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