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Section: A B C D

Basic Programming Instructions

Introduction Chapter 1 Chapter 2 Chapter 3 Chapter 4
Chapter 1

Variables, Expressions & Operators

33Creating and Accessing Variables
36Updating a Value in a Variable
39Creating and Accessing Associative Arrays
41Creating and Accessing Indexed Arrays
43Changing Values Stored in Arrays
45Multidimensional Arrays
47Using the Shorthand for Echo
51Using Arithmetic Operators
53Joining Together Strings
58Using Comparison Operators
59Using Logical Operators
65Processing and Displaying Data