We try to keep our books accurate, but sometimes mistakes creep in. This page lists the errors submitted by our astute readers. If you've found a new error, please submit it.

The latest version of the book is P1.2, released over 7 years ago. If you've bought a PDF of the book and would like to upgrade it to this version (for free), visit your home page.

Key: Typo Tech. Error Suggestion Not a problem Next edition

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(To find out what version you have, look at the copyright page, a few pages in from the front of the book. If it says (say) 'Second Printing', then here it'll be P2.0. If there are interim PDF releases in that printing, they'll be 2.1, 2.2, and so on.)

PDF Paper Description Found in Fixed in
8

#29708: under Email Payments: in the first sentence "drivien" should be "driven"

P1.2
29-Sep-07
10
#29903: "Website Payments Standard has more protection from fraud, decreases you liability, ischeaper, and doesn’t require a monthly fee." It shou...more...
P1.2
19-Nov-07
12
#39964: In the "Joe Asks..." sidebar, "penney" should be "penny". Also, the placement of the sidebar is suboptimal; the text runs into the blue borde...more...
P1.2
14-Jul-09
13
#29280: It is commonly accepted that apostrophes are NOT required after acronyms (eg. IDs, not ID's): en.wikipedia.org/wiki/Apostrophe I know it...more...
P1.2
28-Jun-07
20
#29277: Letting the reader know that a social security number is provided by the Sandbox User's Guide would have saved me 10-15 minutes of time while ...more...
P1.2
27-Jun-07
28

#41194: No forward slash in the body closing tag

:)--Gavin Morrice

P1.2
06-Nov-09
33
#26985: In the "Submit Order Details" section there is a code excerpt for sending shopping-cart information to PayPal. The code is incorrect. It s...more...
P1.2
14-Feb-07
35

#31491: last paragraph: surely, it should say to set shipping_1 to 10, and shipping_2 (and shipping_3+) to 3.
--Michael Richardson

P1.2
27-Mar-08
45
#26788: Where it says "Save these lines and every thing between the mintoa new file called cert.keys" It should say "client.keys" to match up with the...more...
P1.2
29-Dec-06
47

#29281: This document is out of date on many pages. Desperately needs an update.--David Moffett

P1.2
28-Jun-07
49

#26789: TransationSearch should be TransactionSearch--Ken Collins

P1.2
29-Dec-06
71

#31732: The return code from PayPal is "SUCCESS" or "FAIL" (and not "FAILURE").--Walter Horstman

P1.2
25-Apr-08
74
#47004: The code for IPN verification contains a bug. '@raw + "&cmd=_notify-validate"' is wrong. According to the Paypal documentation, it's the ot...more...
P1.2
30-Apr-11