QUESTION 1

An HTML form tag should contain _____ attribute which gives the path to the page on the web server that will process form data submitted by the user.

		an action
		a method
		a name
		a size

4 points

QUESTION 2

The value property of an HTML radio button is either true or false.

True

False

4 points

QUESTION 3

Which of the following are logical operators? Choose all that apply.

		&&
		xor
		||
		!
		#

4 points

QUESTION 4

Variable names must start with a ____.

		dollar sign
		a letter of the alphabet
		an underscore
		a hyphen

4 points

QUESTION 5

What does this code do?

$x = 4; echo gettype($x);

		"sends 'integer' to the user's browser"
		"sends 'int' to the user's browser"
		"sends 'is_numeric' to the user's browser"
		"sends '4' to the user's browser"

4 points

QUESTION 6

When a user submits HTML form data to a web server the information is packaged up as name-value pairs where name is the name of the HTML form element and data is the value property held by that form element.

True

False

4 points

QUESTION 7

The echo command sends items to the users browser.

True

False

4 points

QUESTION 8

What does this code do?

$x = 4; echo is_float($x);

		sends the Boolean value 'false' to the user's browser
		"sends 'integer' to the user's browser"
		"sends 'float' to the user's browser"
		sends the Boolean value 'true' to the user's browser

4 points

QUESTION 9

What does this code do?

$x = 4; $y = (string)$x;

		"it assigns $y the string value '4'
		it produces an error
		it sends the Boolean value 'true' to the user's browser
		it sends the Boolean value 'false' to the user's browser

4 points

QUESTION 10

Which of the following are comparison operators? Choose all that apply.

		>=
		==
		<
		!=
		===
		=>

4 points

QUESTION 11

PHP has 4 scalar data types. What are they? Choose all that apply.

		Integer
		Boolean
		Float
		String
		Array
		Object

4 points

QUESTION 12

By default + is evaluated before /

True

False

4 points

QUESTION 13

"Assume an HTML form is submitted to your PHP page. What is the significance of the word $_POST in this code? "

		$_POST is the name of the array used to hold the name=value pairs of an HTML form when the method of the HTML form that was submitted as given as POST.
		$_POST is just a place holder and its actual name can be anything.
		$_POST is the name of the array used to hold name=value pairs of an HTML form when the method of the HTML form that was submitted as given as GET.

4 points

QUESTION 14

"What does this code do?

$x = 4; $y = settype($x, "float");

		assigns $y the value 4.0
		assigns $y the Boolean value true
		assigns $y the Boolean value false
		assigns $y the value 4

4 points

QUESTION 15

Assume an HTML for is submitted to your page. What is the significance of the word 'full_name' in this code?

		full_name must be the the name attribute of the HTML form element that was submitted to the PHP page.
		full_name is just a place holder and its actual name can be anything.
		full_name is a reserved word and cannot be used as a variable name.
		full_name should start with a dollar sign.

4 points

QUESTION 16

The value property of an HTML text box is whatever the user types in that text box.

True

False

4 points

QUESTION 17

By default && is evaluated before ||.

True

False

4 points

QUESTION 18

Variable names are case insensitive.

True

False

4 points

QUESTION 19

What is the value of $y after this runs?

$x = 5; $y = ++$x;

		6
		4
		5
		0

4 points

QUESTION 20

PHP has 2 compound data types. What are they? Choose all that apply.

		Object
		Array
		Boolean
		Float
		String
		Integer