I

ID

Amazon, 150, 151, 171

Atom feed specification, 331

database connection (common_db.php), 316

eBay, 204, 215–216, 228

Flickr nsid

recording, 272

retrieving images from user, 272–273

IFrames, 46

image hosting site. See Flickr API

image tags

HTML

eBay, 233

processing, 40

utility functions, 38–40

Images

absolute URL, retrieving and serving, 43

eBay

listing, 232–233

restricting, 232

links, retrieving, 40–42

size, 327

title, RSS, 323

indenting code, 51

index

blog file, 76–77

Google searches, 115

information sales, desirability of using feed, 10

inline images, links, replacing with, 42

input processing script, 328

Instant Messenger (Trillian), 23

interface, Amazon API, choosing, 150

international issues, eBay

CurrencyID, 204–205

listing, 228

site IDs, 215–216

IPN (Instant Payment Notification) PayPal API

attacks, defending against, 240

combining code, 245–248

regular order system, passing off to, 244–245

server, contact from, 236

is_array(), eBay check, 227

item

eBay listing

application data, adding, 234

described, 225–226

enhancements, 234

image, adding, 232–233

nested elements, handling with generateBody(), 226–227

Google searches, 119