Notice: Undefined index: user_first_name in C:\phpStudy\WWW\test_create_order_activation.php on line 26

Notice: Undefined index: user_last_name in C:\phpStudy\WWW\test_create_order_activation.php on line 27

Notice: Undefined index: user_email in C:\phpStudy\WWW\test_create_order_activation.php on line 28

Notice: Undefined index: product_name in C:\phpStudy\WWW\test_create_order_activation.php on line 29

keygen output =