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Unit 1 Module 2

Intro to PHP Unit

A set of data represented by a single variable name. array
An operator used for assigning a value to a variable. assignment operator
A value of TRUE or FALSE. Boolean value
Contains information that cannot change during the course of program execution. constant
The specific category of information that a variable contains. data type
Refers to single piece of data that is stored in an array. element
A number that contains decimal places. floating-point number
The name assigned to a variable. identifier
An element’s numeric position in an array. index
A positive or negative number and zero with no decimal places. integer
Any text enclosed within single or double quotation marks. literal string
Data types that can be assigned only a single value. primitive types
Data type that contains multiple values. Also called composite. reference
The values a program stores in computer memory. variables
Stores “1” if TRUE, “0” if FALSE Boolean
signed and unsigned whole numbers Integers
signed and unsigned decimal numbers Floating point numbers
any combination of characters, numbers, symbols Strings
combination data type holding two or more values Arrays
references objects created by other programs Objects
references resources Resources
data type indicating no value assigned NULL
Created by: melissagoodall