PHP Objects, Patterns and Practice (3rd edition)

■ INDEX

insert(), 277–278
Iterator interface, code listing, 281
Iterator interface, table of methods, 280
managing mapper creation, 278
managing multiple rows with collections,
283
Mapper base class, code listing, 277
Mapper classes, illustration of, 276
Nock, Clifton, 311
notifyAccess(), 282
object-relational impedance mismatch, 276
persistence classes, illustration of, 312
print_r(), 279
Registry class, 278
selectAllStmt(), 286
selectStmt(), 279, 286
setSpaces(), 285, 287
targetClass(), 283
update(), 279
using HelperFactory to acquire both
collections and mappers, 284
Venue class, code listing, 284
VenueCollection class, 282
VenueCollection interface, code listing, 283
VenueMapper class, code listing, 278
Data Source Name (DSN), 138
data types
checking the type of a variable, 23
class type hints, 26
PHP as a loosely typed language, 22
primitive types and test functions, table of,
22
strategies for dealing with argument types,
25
type-related errors, preventing, 25
DBFace class, 404
DecorateProcess class, 183
Decorator pattern
class diagram, 182
inheritance tree, class diagram, 180
overview of, 179
summary of, 185
using composition and delegation, 181
decoupling
creating independent components, 137
definition of, 454

hiding implementation behind a clean

interface, 138

overview of, 137

reusability versus tight coupling, 137

See also coupling

DefaultCommand class, code listing, 243

defaultValue attribute, 424

defensiveStrength(), 171

DeferredEventCollection class, code listing, 297

delegating object instantiation, 147

delegation, definition of, 60

delete element, 425

dependencies tag, 339

depends attribute, 447

description element, 335

design patterns

Abstract Factory pattern, 124, 457

Alexander, Christopher, 124, 126

benefits of, 123, 127, 456

collaborative nature of, 128

defining a vocabulary, 127

defining common problems, 127

defining the conditions in which solutions

should be applied, 125

definition of, 6, 123, 455

developing a vocabulary for describing

problems and solutions, 456

early concept of, 4

favoring composition over inheritance, 169

Fowler, Martin, 124–125, 143, 456

Gamma, Erich, 125

Gang of Four’s categorization of, 143

Gang of Four’s format for structuring

patterns, 126

half-baked nature of, 456

Helm, Richard, 125

implementing nuanced solutions, 126

inscribing approaches to particular

problems, 124

Johnson, Ralph, 125

language independence of, 127

naming, 125

overuse of, 456

overview of, 125

pattern languages, 125

patterns suggest complementary patterns,

456