Exam 2: Functions and Control Structures

A function must return a value.

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

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

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

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

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

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

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

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

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

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.

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

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

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.

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

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

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

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

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

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