Free Zend 200-550 Practice Exam with Questions & Answers | Set: 3

Which of these databases is NOT supported by a PDO driver?

Please provide the name of the super-global variable where all the information about cookies is available.

What can prevent PHP from being able to open a file on the hard drive (Choose 2)?

Given a PHP value, which sample shows how to convert the value to JSON?

Is the following code vulnerable to SQL Injection ($mysqli is an instance of the MySQLi class)?

$age = $mysqli->real_escape_string($_GET['age']);

$name = $mysqli->real_escape_string($_GET['name']);

$query = "SELECT * FROM `table` WHERE name LIKE '$name' AND age = $age";

$results = $mysqli->query($query);

Which PHP function retrieves a list of HTTP headers that have been sent as part of the HTTP response or are ready to be sent?

Before the headers are sent, how can you remove a previously set header?

What is the output of the following code?

class Foo Implements ArrayAccess {

function offsetExists($k) { return true;}

function offsetGet($k) {return 'a';}

function offsetSet($k, $v) {}

function offsetUnset($k) {}

}

$x = new Foo();

echo array_key_exists('foo', $x)?'true':'false';

When a class is defined as final it:

Which value will be assigned to the key 0 in this example?

$foo = array(true, '0' => false, false => true);