Deck 2: Functions and Control Structures

Question 1

Like variables, function names are case sensitive.

Answer 1

False

Question 2

Functions are placed within parentheses that follow a parameter name.

Answer 2

False

Question 3

The default label contains statements that execute when the value returned by the switch statement expression does not match any case label.

Answer 3

True

Question 4

A function executes automatically.

Question 5

If you attempt to use a local variable outside the function in which it is declared, you receive an error message.

Question 6

To ensure that the while statement will eventually end, you must include code within the body of the while statement that changes the value of the conditional expression.

Question 7

A function must contain a parameter.

Question 8

Using parentheses to enclose the conditional expression of an if statement is optional.

Question 9

Global variables are automatically available to all parts of your program, including functions.

Question 10

The formal parameters within the parentheses of a function declaration are global variables.

Question 11

A function must return a value.

Question 12

When one decision-making statement is contained within another decision-making statement, they are referred to as multiple decision-making structures.

Question 13

Variable scope refers to the location that a declared variable can be used.

Question 14

A return statement is a statement that returns a value to the statement that called the function.

Question 15

Function arguments are the statements that do the actual work of the function and must be contained within the function braces.

Question 16

The else clause can only be used with an if statement.

Question 17

The switch statement controls program flow by executing a specific set of statements, depending on the value of an expression.

Question 18

If a command block is missing either the opening or closing brace, an error occurs.

Question 19

In PHP, you must declare a global variable with the global keyword inside a function definition for the variable to be available within the scope of that function.

Question 20

A function definition contains the lines of code that make up a function.

Question 21

Include statements support only absolute path notation.

Question 22

The primary use of the include and require statements is to reuse content on multiple web pages by allowing you to insert the content of an external file, called an include file, in your PHP scripts.

Question 23

One of the primary differences between the while statement and the for statement is that in addition to a conditional expression, the for statement can also include code that initializes a counter and changes its value with each iteration.

Question 24

A command block is a group of statements within a set of opening and closing ____.

A) brackets
B) braces
C) parentheses
D) quotation marks

Question 25

A(n) ____ statement is a control structure that repeatedly executes a statement or series of statements while a specific condition is TRUE or until a specific condition becomes TRUE.

A) repeat
B) replicate
C) loop
D) circular

Question 26

When one decision-making statement is contained within another decision-making statement it is referred to as a ____ decision-making structure.

A) enclosed
B) contained
C) nested
D) layered

Question 27

You can use the terminate statement to halt a looping statement and restart the loop with a new iteration.

Question 28

With many programming languages, global variables are automatically available to all parts of your program, including ____.

A) statements
B) definitions
C) functions
D) declarations

Question 29

What will be returned if you use a local variable outside the function in which it is declared?

A) value
B) error message
C) function
D) nothing

Question 30

When you declare a global variable with the global keyword, you do not need to assign the variable a(n) ____.

A) value
B) definition
C) function
D) name

Question 31

When you use a variable in a PHP program, you must be aware of the variable's ____.

A) placement
B) scope
C) function
D) statement

Question 32

Which of the following terms is not associated with the switch statement?

A) switch title
B) case label
C) executable statements
D) break keyword

Question 33

The statements in a do...while statement always execute repeatedly before the conditional expression evaluates the count variable.

Question 34

The include statement and the require statement perform the same function and can be used interchangeably.

Question 35

The parameters within the parentheses of a function declaration are what kind of variables?

A) local
B) global
C) unknown
D) declared

Question 36

You will not receive an error if you attempt to use a foreach statement with any variable types other than arrays.

Question 37

The for statement performs essentially the same function as the while statement.

Question 38

The do...while statement executes a statement or statements once, then repeats the execution as long as a given conditional expression evaluates to TRUE.

Question 39

A variable's scope can be either global or ____.

A) local
B) undeclared
C) universal
D) declared

Question 40

The for...while statement is used to iterate or loop through the elements in an array.

Question 41

An if statement that includes an else clause is called a(n) ____________________ statement.

Question 42

The ____ file is typically saved with a prefix of inc_.

A) insert
B) include
C) nested
D) increment

Question 43

You must use the ____________________ keyword to declare a global variable within the scope of a function.

Question 44

The ____________________ statement is used to execute specific programming code if the evaluation of a conditional expression returns a value of true.

Question 45

When one decision-making statement is contained within another decision-making statement, they are called ____________________ decision-making structures.

Question 46

A ____________________ variable is declared outside a function and is available to all parts of the program.

Question 47

A formal ____________________ is a variable that is used within a function.

Question 48

____________________-control statements allow you to determine the order in which statements execute in a program.

Question 49

A ____________________ variable is declared inside a function and is only available within the function in which it is declared.

Question 50

A ____________________ statement is a statement that returns a value to the statement that called the function.

Question 51

Passing by ____________________ means that the actual variable is used within the function and any changes made to the variable by the function will remain after the function completes.

Question 52

A ____ statement is used to iterate or loop through the elements in an array.

A) for
B) while
C) foreach
D) if...else

Question 53

Groups of statements you can execute as a single unit are called ____________________.

Question 54

A function ____________________ executes a function

Question 55

A ____ is a variable that increments or decrements with each iteration of a loop statement

A) counter
B) incrementer/decrementer
C) iterator
D) repetitor

Question 56

____________________ are added to both the if and else portions of the if...else statement if a section contains more than one statement.

Question 57

The ____ statement halts the processing of the web page and displays an error if an include file cannot be found.

A) include
B) insert
C) Insert-contents
D) require

Question 58

If you do not include code that changes the value used the by the condition expression, your program will be caught in a ____ loop.

A) continuous
B) continuing
C) constant
D) infinite

Question 59

A(n) ____________________ block is a group of statements contained within a set of braces, similar to the way function statements are contained within a set of braces

Question 60

The function ____________________ is the lines of code that make up a function

Question 61

A(n) ____________________ statement is a control structure that repeatedly executes a statement or a series of statements while a specific condition is TRUE or until a specific condition becomes TRUE.

Question 62

The ____________________ statement repeats a statement or series of statements as long as a given conditional expression evaluates to TRUE.

Question 63

A switch statement contains the following components: the keyword switch, an expression, an opening brace, a case label, the executable statements, the keyword ____________________, a default label, and a closing brace.

Question 64

The ____________________ loop executes a statement or statements once, then repeats the execution as long as a given conditional expression evaluates to TRUE.

Question 65

You must include a(n) ____________________ to separate each section in a for loop.

Question 66

The ____________________ statement controls program flow using a case statement that executing a specific set of statements, depending on the value of an expression.

Question 67

case $ExampleVar is an example of a ____________________ data type being used as a case label

Question 68

A ____________________ is a variable that increments or decrements with each iteration of a loop statement.

Question 69

The ____________________ statement is used to iterate or loop through the elements in an array.

Question 70

A ____________________ statement keeps repeating until its conditional expression evaluates to FALSE.

Question 71

The final ____________________ statement after the final case or default statement is not required.

Question 72

Each repetition of a looping statement is called a(n) ____________________.

Question 73

case 42 is an example of a ____________________ data type being used as a case label.

Question 74

The ____________________ statement is used for repeating a statement or series of statements as long as a given conditional expression evaluates to TRUE.

Question 75

The switch statement compares the value of an expression to a value contained within a special statement called a ____________________.

Question 76

case 125.78 is an example of a ____________________ data type being used as a case label.

Question 77

In a(n) ____________________ loop, a loop statement never ends because its conditional expression is never FALSE.

Question 78

The ____________________ label contains statements that execute when the value returned by the switch statement expression does not match a case label.

Question 79

case "Monday" is an example of a ____________________ data type being used as a case label.

Question 80

The conditional expression in the while statement is enclosed within ____________________ following the keyword while.