PHP Paypal Integration Script

Pure php-based "Paypal Integration Script", very easy to understand!


Which included:

1. Paypal form
   
2. Paypal Parameters Management
   
3. Paypal ipn
   
4. Payment Return
   
5. Database Buy & Sales Records
   
6. Mysql Database Structure
   

**compatible with w3c standard, purly written by php and mysql, easy to understand and for any modifications.

**useful for both junior and senior php programming developer