Error with Transaction:
(TESTMODE) The merchant login ID or password is invalid or the account is inactive.

Details of the transaction are shown below...

authorizenet_class->dump_fields() Output:

Field Name Value
x_version3.1 
x_delim_dataTRUE 
x_delim_char| 
x_urlFALSE 
x_typeAUTH_CAPTURE 
x_methodCC 
x_relay_responseFALSE 
x_loginCHANGE THIS TO YOUR LOGIN 
x_tran_keyCHANGE THIS TO YOUR TRANSACTION KEY 
x_test_requestTRUE 
x_encap_char 
x_first_nameJohn 
x_last_nameSmith 
x_address1234 West Main St. 
x_citySome City 
x_stateCA 
x_zip12345 
x_countryUS 
x_emailsomeone@somedomain.com 
x_phone555-555-5555 
x_card_num4007000000027 
x_amount10.00 
x_exp_date0308 
x_card_code123 

authorizenet_class->dump_response() Output:

Index  Field Name Value
0 Response Code 3 
1 Response Subcode 2 
2 Response Reason Code 13 
3 Response Reason Text (TESTMODE) The merchant login ID or password is invalid or the account is inactive. 
4 Approval Code 000000 
5 AVS Result Code P 
6 Transaction ID 0 
7 Invoice Number  
8 Description  
9 Amount 10.00 
10 Method  
11 Transaction Type auth_capture 
12 Customer ID  
13 Cardholder First Name  
14 Cardholder Last Name  
15 Company  
16 Billing Address  
17 City  
18 State  
19 Zip  
20 Country  
21 Phone  
22 Fax  
23 Email  
24 Ship to First Name  
25 Ship to Last Name  
26 Ship to Company  
27 Ship to Address  
28 Ship to City  
29 Ship to State  
30 Ship to Zip  
31 Ship to Country  
32 Tax Amount  
33 Duty Amount  
34 Freight Amount  
35 Tax Exempt Flag  
36 PO Number  
37 MD5 Hash 74078B398622E4FBDC0FB5469D7A2054 
38 Card Code (CVV2/CVC2/CID) Response Code  
39 Cardholder Authentication Verification Value (CAVV) Response Code  
40 Reserved Field 0  
41 Reserved Field 1  
42 Reserved Field 2  
43 Reserved Field 3  
44 Reserved Field 4  
45 Reserved Field 5  
46 Reserved Field 6  
47 Reserved Field 7  
48 Reserved Field 8  
49 Reserved Field 9  
50 Reserved Field 10  
51 Reserved Field 11  
52 Reserved Field 12  
53 Reserved Field 13  
54 Reserved Field 14  
55 Reserved Field 15  
56 Reserved Field 16  
57 Reserved Field 17  
58 Reserved Field 18  
59 Reserved Field 19  
60 Reserved Field 20  
61 Reserved Field 21  
62 Reserved Field 22  
63 Reserved Field 23  
64 Reserved Field 24  
65 Reserved Field 25  
66 Reserved Field 26  
67 Reserved Field 27  
68 Merchant Defined Field 0 FALSE