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

When a class is defined as final it:

Type hinting in PHP allows the identification of the following variable types: (Choose 2)

In the following code, which classes can be instantiated? abstract class Graphics { abstract
function draw($im, $col); } abstract class Point1 extends Graphics { public $x, $y; function
__construct($x, $y) { $this->x = $x; $this->y = $y; } function draw($im, $col) {
ImageSetPixel($im, $this->x, $this->y, $col); } } class Point2 extends Point1 { } abstract
class Point3 extends Point2 { }

Which of the following code snippets is correct? (Choose 2)

Which of the following statements about PHP is false? (Choose 2)

Which of the following is correct? (Choose 2)

Which of the following functions are used to escape data within the context of HTML?
(Choose 2)

In a shared hosting environment, session data can be read by PHP scripts written by any
user. How can you prevent this? (Choose 2)

Which of the following filtering techniques prevents all cross-site scripting (XSS)
vulnerabilities?