ZEND PHP 5 Certification STUDY GUIDE

258 ” INDEX
as stacks, 68
calculating the difference of, 69
on keys and values, 69
on keys only, 70
using a user-defined function, 70
comparing arrays, 52
concatenation, 52
counting elements, 53
creation, 47
defined, 47
element, 47
determining existence, 53, 54
key, 47
value, 47
elements
assigning using list(), 50
randomizing the order of, 65
enumerative vs. associative, 49
extracting keys, 66
extracting random element from, 66
flipping elements and values, 54
intersecting, 70
using a user-defined function, 70
using keys and values, 70
using keys only, 70
iteration, 55
passive, 59
problem non-contiguous keys, 56
using foreach, 57
using pointer, 56
keys
case sensitivity, 50
losing when reversing, 55
values allowed, 49
multi-dimensional, 50
example, 50
operations, 51
order of elements, 49
pointer, 56
interaction with foreach, 58
printing, 48
reversing, 54
sort()
effect on keys, 61
sorting, 61
by key, 63
case-insensitive, 63
keys using a user-defined function, 65
natural, 62
reversing order, 62
sort order, 62, 63
using a user-defined function, 63
using with cookies, 108
using with form data, 101
asort(), 61
additional parameters, 62
reversing order, 62
sort order, 62
assignment
operator, 20
and objects, 21
associative
array, 49
associativity, 25
attributes
when to use, 189
B
beginChildren()
RecursiveIterator, 181
binary not
operator, 18
bit shifting
operator, 19
using for multiplication and division, 19
bitwise AND
operator, 18
bitwise OR
Licensed to 482634 - Amber Barrow (itsadmin@deakin.edu.au)