Zend 200-710 Zend Certified Engineer Exam Practice Test

What will be the result of the following operation?

array_combine(array("A","B","C"), array(1,2,3));

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 { }

What is the output of the following code?

function fibonacci (&$x1 = 0, &$x2 = 1)

{

$result = $x1 + $x2;

$x1 = $x2;

$x2 = $result;

return $result;

}

for ($i = 0; $i < 10; $i++) {

echo fibonacci() . ',';

}

When a query that is supposed to affect rows is executed as part of a transaction, and reports no affected rows, it could mean that: (Choose 2)

Which of the following is used to find all PHP files under a certain directory?

Which constant must be passed as the second argument to htmlentities() to convert single quotes (') to HTML entities?

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