What DOMElement method should be used to check for availability of a non-namespaced
attribute?

Identify the security vulnerability in the following example:
<code>
1 <?php
2 echo “Welcome, {$_POST[‘name’]}.”;
3 ?>
</code>

How many times will the function counter() be executed in the following code?

<code>
function counter($start, &$stop)
{
if ($stop > $start)
{
return;
} counter($start–, ++$stop);
}
$start = 5;
$stop = 2;
counter($start, $stop);
</code>

Which of the following data types is implicitly passed by reference in PHP 5 while it is passed by
value in PHP 4?

What is the content of $c after the following code has executed?
<code>
$a = 2;
$b = 3;
$c = ($a++ * ++$b);
</code>

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:
<code>
strcasecmp(‘hello my dear!’, ‘Hello my DEAR!’);
</code>
The function call returns “0”. What does that mean?

REST is a(n) …

What is the output of the following code?
<code>
echo 0x33, ‘ monkeys sit on ‘, 011, ‘ trees.’;
</code>

When checking whether two English words are pronounced alike, which function should be used
for the best possible result?

Given the following code, what is correct?
<code>
function f(stdClass &$x = NULL) { $x = 42;
}
$z = new stdClass;
f($z);
var_dump($z);
</code>