Specifications

operators
844
reference operator, 29
returning values, 27
associativity, 34-35
bitwise operators, 31
comma operator, 32
comparison, WHERE
clauses, 212-213
comparison operators,
29-30
equals operator, 29-30
error suppression operator,
32
execution operator, 32-33
logical operators, 30-31
precedence, 34-36
string concatenation
operator, 20-21
string operators, 27
ternary operator, 32
totaling forms, 33-34
optimizing, databases,
261-262
default values, 262
designs, 261
indexes, 262
permissions, 261
persistent connections,
262
tables, 261-262
optimizing, code, 472-473
Zend Optimizer, 473
or operator, 31
ORDER BY clause, SELECT
statement, 219
ordered data, retrieving,
219-220
ordering strings
strcasecmp() function, 105
strcmp() function, 104
strnatcmp() function, 105
orders for goods or ser-
vices (commercial Web
sites), 271-275
obstacles to potential
customers, 273-275
orders.txt file, 58
output
EXPLAIN statement, 257-
260
formatting, 592-593
SHOW GRANTS state-
ment, 255
outputting
images, 409
line graphs, script code,
405
output_fns.php, 502, 660
output_fns.php library,
630
overriding (inheritance),
156-157
owners (scripts),
identifying, 452
P
p switch (add – to front)
(mysql command), 186
Page class (object-
oriented development),
161-165
TLA Consulting home
page, generating,
165-166
page.php, 596
page.php file, 600-602
pages (Web pages),
protecting multiple
pages, 312
parameters
Apache (MaxClients), 235
drawing functions, 407
extract() function, 91
function parameters,
134-136
calling functions, 130
pass by reference,
138-139
pass by value, 139
max_connections
parameter, 235
startup, 794
parent nodes (Web forum
tree structure), 714
parse_url() function, 377
pass by reference
(function parameters),
138-139
pass by value (function
parameters), 139
passing by reference, 90
passthru() function, 366
PASSWORD() function,
311
passwords, 291-292, 499
database security, 252-253
encrypting, 252
authentication, 310-311
logging in to MySQL,
186-187
storing, 252
storing (authentication),
308-310
user authentication,
519-521
resetting, 521-526
passwords (MLM),
689-691
paths, file, 360
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