<pre>Array
(
    [residence_country] => US
    [invoice] => abc1234
    [address_city] => San Jose
    [first_name] => John
    [payer_id] => TESTBUYERID01
    [shipping] => 3.04
    [mc_fee] => 0.44
    [txn_id] => 842115291
    [receiver_email] => seller@paypalsandbox.com
    [quantity] => 1
    [custom] => xyz123
    [payment_date] => 12:35:03 27 Jan 2014 PST
    [address_country_code] => US
    [address_zip] => 95131
    [tax] => 2.02
    [item_name] => something
    [address_name] => John Smith
    [last_name] => Smith
    [receiver_id] => seller@paypalsandbox.com
    [item_number] => AK-1234
    [verify_sign] => AZBTKKZ4MCFnrNdW0mkbsvfTW6g3AU.gFzL.al3P.wj5FRg9ATpHW4wM
    [address_country] => United States
    [payment_status] => Completed
    [address_status] => confirmed
    [business] => seller@paypalsandbox.com
    [payer_email] => buyer@paypalsandbox.com
    [notify_version] => 2.1
    [txn_type] => web_accept
    [test_ipn] => 1
    [payer_status] => verified
    [mc_currency] => USD
    [mc_gross] => 12.34
    [address_state] => CA
    [mc_gross1] => 9.34
    [payment_type] => instant
    [address_street] => 123, any street
)
</pre>