Q1

With the implode() function, the first parameter is the name of the array you want to modify.

True

False

QUESTION 2

What determines where in code a variable can be used?.

		none of these
		variable type
		variable scope
		variable duration

QUESTION 3

The array_key_exists() function determines if a given array index or key exists.

True

False

QUESTION 4

A function executes automatically when the page loads.

True

False

QUESTION 5

What does the array look like after this code runs?

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

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

QUESTION 6

To create an array you can use the _______.

		array constructor
		array_maker() function
		array_make() function
		make() function

QUESTION 7

Which array would this code produce?

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

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

QUESTION 8

The $_POST[] array is an associative array called a superglobal array.

True

False

QUESTION 9

What does this code output?

$x = explode("=", "fe=fi=fo=fum"); echo $x[1];

		fe
		fi
		fo
		fum

QUESTION 10

"The heredoc structure acts like a double quoted string, but without the quotes. It opens with <<< then an identifier then a newline. The structrure is closes with a final identifier."

True

False

QUESTION 11

Which of the following are used to convert between strings and arrays or arrays and strings? Choose 3. Look them up if necessary.

		join()
		detatch()
		implode()
		explode()

QUESTION 12

A multidimensional array in PHP is essentially ____.

		just a single array
		an array of arrays
		you can't have such a thing in PHP
		an associative array

QUESTION 13

When this code runs, what is the value of $y?

$user = "Don"; $pw = "12345"; $y = sprintf("SELECT * FROM users WHERE user='%s' AND sword='%s'", $user, $pw);

		None of the other answers are correct
		SELECT * FROM users WHERE user=Don AND password=12345
		SELECT * FROM users WHERE user='Don' AND password='12345'
		"""SELECT * FROM users WHERE user='%s' AND password='%s'"""

QUESTION 14

A static variable ____.

		is the same thing as a global variable
		is local to a function but hold their value between function calls
		cannot have its value changed once it has been assigned a value
		will always have the value NULL

QUESTION 15

What is the value of $y when this code runs?

$x = "Hello visitor"; $z = "visitor"; $y = str_replace($z, "Susan", $x);

		hello visitor Susan
		Hello Susan
		Hello Susan visitor
		*