Would the following code catch a parse error?
<code>
try{
echo$label
} catch (Exception $e) {
echo$e->getMessage();
}
</code>

What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?

What function should be used to escape command line arguments that are passed to commands
executed from PHP?

$_SERVER consists of data provided by the web server and is therefore trustworthy.

What is the name of the PHP function used to automatically load non-yet defined classes?

After executing a SELECT query on a database server,

Which of the following are valid identifiers (Choose 3)

What is the output of the following code?
<code>
1 <?php
2 for ($i = 0; $i < 1.02; $i += 0.17) {
3 $a[$i] = $i;
4 }
5 echo count($a);
6 ?>
</code>

Transactions are used to:

What is the output of the following code?
<code>
printf(‘%4$d %2$s sit on 2 trees and eat %3$3.2f %1$s’, “bananas”, “monkeys”, 9, 99);
</code>