What is the output of the following script?

1 < ?php

2 class a

3 {

4 public $val;

5 }

6

7 function renderVal (a $a)

8 {

9 if ($a) {

10 echo $a- > val;

11 }

12 }

13

14 renderVal (null);

15 ? >

How many elements does the $matches array contain after the following function call is performed?

preg_match( ' /^(\d{1,2}([a-z]+))(?:\s*)\S+ (?=200[0-9] )/ ' , ' 21st March

2006 ' , $matches);

Which constant must be passed as the second argument to htmlentities() to convert single quotes ( ' ) to HTML entities?

You analyze the code of a collegue and see, it uses the function strcasecmp. You try it out to see what it does and use the following function call:

strcasecmp( ' hello my dear! ' , ' Hello my DEAR! ' );

The function call returns " 0 " . What does that mean?

Which of the listed changes would you make to the following PHP 4 code in order to make it most compliant with PHP 5? (Choose 2)

< ?php

class Car {

var $model;

function Car($model) {

$this- > model = $model;

} function toString() {

return " I drive a $this- > model. " ;

}}

$c = new Car( ' Dodge ' );

echo $c- > toString();

? >

When a class is defined as final it:

Which of the following data types cannot be directly manipulated by the client?

What function is used to retrieve all available information about a symbolic link?

The following form is loaded in a browser and submitted, with the checkbox activated:

< form method= " post " >

< input type= " checkbox " name= " accept " >

< form >

In the server-side PHP code to deal with the form data, what is the value of $_POST[ ' accept ' ]?

Which parts of the text are matched in the following regular expression?

1 < ?php

2 $text = < < < EOT

3 The big bang bonged under the bung.

4 EOT;

5

6 preg_match_all( ' @b.n?g@ ' , $text, $matches);

7 ? >