Week 7 mid semester exam

SPECIAL INSTRUCTIONS TO STUDENTS:

• There are a total of 10 questions. Attempt all questions.
• Each question is worth 2 marks.
• This exam constitutes 20% of your overall assessment.
• This is a closed book assessment.

Question 1

2 marks

This snippet of code will be parsed by PHP, however there is something wrong. What is it?

if($mood = 'Happy')
  echo “<p>That's Great to hear!</p>”;

Question 2

2 marks

This error message is displayed on the browser. What is the likely cause of this error?

Warning: Missing argument 1 for myFunc() in d:\my documents\My Site\php\Examples\ereg_test.php on line 12

Question 3

2 marks

What technique is best utilized for multiple if / else statements?

Question 4

2 marks

For the array declaration shown below, what special type of loop could be used to traverse the elements of the array?

$myArray = array('S0001234' => 'Smith', 
                 'S0001235' => 'Jones');

Question 5

2 marks

In a switch statement what is the default keyword used for?

Question 6

2 marks

This snippet of code will be parsed by PHP, however there is something wrong. What is it?

$myArray = array(1 => ‘Jan’, ‘Feb’, ‘Mar’, ‘Apr’, ‘May’, ‘Jun’, ‘Jul’, 
                      ‘Aug’, ‘Sep’, ‘Oct’, ‘Nov’, ‘Dec’);

for($i = 1; $i < sizeof($myArray); $i++)
  echo ‘<br />’ . $myArray[$i];

Question 7

2 marks

What is the difference between using include as opposed to include_once ?

Question 8

2 marks

What does the following string function do?

strtolower

Question 9

2 marks

The method attribute of a form tag can be set to GET or POST. What is the difference between the 2 types of form submission?

Question 10

2 marks

Can you create an object using the new keyword if the constructor is declared private?