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Index

R

radio buttons, 27–28, 65
rand() function, 78–80
random numbers, 78–80
random text, 187
random() function, 187
RDBMS (relational database management system), 266–267, 348
readDir() function, 227–228
readFile() function, 36, 231
reading. See also viewing
arrays, 133, 223–225
Border Maker program, 63–65
files, 218–219, 222–225
forms
associative arrays, 167–170
input, 59–66
Story program, 71–73
real numbers (variables), 51
records
creating, 369–370
spyLib program, 389–392
databases, 269
deleting, 368–369
spyLib program, 388–389
displaying, 307–310
editing, 316–320, 366–367
fields, 384–387
spyLib program, 379–387
printing, 307–310
processing, 392–393
selecting, 313–316
tables
inserting, 274–275
selecting, 275–276
updating, 367–368
spyLib program, 387–388
viewing, 313–316
register globals variable, 167–170
regular expressions, 229–230
relational database management system. See RDBMS
relationships, 332–333
replace() function, 225
replacing strings, 225
Reset button, 31
response page (Word Puzzle Maker program), 189–190
result sets, queries, 303–306
retrieving data, 55–59
directories, 237–245
files, 245–247
forms, 53–55
returning values, 103–104
Roll Em program, 78–80
Row Your Boat program, 46–47
rows, queries, 287–288
rtrim() function, 185, 193
running PHP, 32, 42

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