Which of the following may be used in conjunction with CASE inside a SWITCH statement?

What is the output of the following script?
<code>
1 <?php
2 class a
3 {
4 public $val = 10;
5 }
6
7 function renderVal (a $a)

8 {
9 return $a->$val;
10 }
11
12 renderVal (new a);
13 ?>
</code>

What is the output of the following code?
str_pad(‘PHP’, 10, ‘P’, STR_PAD_BOTH);

What is the name of the method that can be used to provide read access to virtual properties in a
class?

Which of the following are valid identifiers (Choose 3)

What is the method used to execute XPath queries in the SimpleXML extension?

The XML document below has been parsed into $xml via SimpleXML. How can the value of <foo>
tag accessed?
<code>
<?xml version=’1.0′?>
<document>
<bar>

<foo>Value</foo>
</bar>
</document>
</code>

Which of the following will set a 10 seconds read timeout for a stream?

Where does the session extension store the session data by default?

What XML component does the following XPath query try to match?
//foo[bar/@id=5]