QUESTION 16

What does the array $soups look like after this code runs?

$soups = array("tomato", "onion", "cheese", "chowder"); $c = array_pop($soups);

		array("onion", "cheese", "chowder")
		array("tomato", "onion", "cheese")
		array("tomato", "onion", "chowder")
		array("tomato", "cheese", "chowder")

QUESTION 17

"A multidimensional indexed array has two sets of brackets, one for the row and one for the column."

True

False

QUESTION 18

"If a value exists in an array the in_array() function returns 'true', otherwise it returns false."

True

False

QUESTION 19

What does the variable $y hold after these lines execute?

$x = "person5@xyz.com"; $y = strpos($x, "6");

		6 isn't present in $x, so none of the other answers are correct
		5
		6
		7
		10

QUESTION 20

What prints?

$soups = array("tomato", "onion", "cheese", "chowder"); $c = array_pop($soups); echo $c;

		tomato;
		onion;
		cheese;
		chowder

QUESTIOn 21

The ____ function lets you add or remove elements anywhere else in the array.

		array_add()
		array_split()
		array_splice()
		array_values()

QUESTION 22

To remove leading and trailing spaces from a string you would use ____.

		ltrim()
		trim()
		rtrim()
		lrtrim()

QUESTION 23

To capitalize the first character of a string use ____.

		str_first()
		first()
		ucfirst()
		uc_initial()

QUESTION 24

The unset() function removes array elements.

True

False

QUESTION 25

You use the ____ function to return a portion of an array and assign it to another array.

		array_slice()
		array_set()
		array_assign()
		array_key()

QUESTION 26

What is printed?

$str1 = "beets"; echo 'Eat more $str1';

		Eat more $str1
		Eat more beets

QUESTION 27

"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."

True

False

QUESTION 28

"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."

True

False

QUESTION 29

What is a sticky form?

		a HTML form that is cached on the user's computer and hidden from the user in their browser until it is formally requested.
		a form that will not be closed in the user's browser unless it has been submitted first.
		a HTML form that retains its values between postbacks.
		none of these

QUESTION 30

Which of the following is true of using printf()? Choose 3.

		%0.2f will round the floating point number to 2 decimal places when substituted
		%5s will right-justify a short string when substituted
		%-5s will left-justify a short string when substituted
		%-5s will right-justify a short string when substituted