Zend Zend Certified 200-550 Questions & Answers

• Question 1:

  Which PHP function sets a cookie whose value does not get URL encoded when sending it to the

  browser?

  Correct Answer: Answer: setrawcookie, setrawcookie()

• Question 2:

  Which PHP function sets a cookie and URL encodes its value when sending it to the browser?

  Correct Answer: Answer: setcookie, setcookie()

• Question 3:

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

  Correct Answer: Answer: $_COOKIE, $_COOKIE[\], _COOKIE, _COOKIE[\]

• Question 4:

  Which DOMElement property provides a reference to the list of the element's children?

  Correct Answer: Answer: childNodes

• Question 5:

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

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

  Correct Answer: Answer: true

• Question 6:

  Please provide the value of the $code variable in the following statement to set an HTTP status code that signifies that the requested resource was not found.

  http_response_code($code);

  Correct Answer: Answer: 404, 404 Not Found

• Question 7:

  Consider the following code:

  $result = $value1 ??? $value2;

  Which operator needs to be used instead of ??? so that $result equals $value1 if $value1 evaluates to true, and equals $value2 otherwise? Just state the operator as it would be required in the code.

  Correct Answer: Answer: ?:

• Question 8:

  What is the output of the following code?

  class Number {

  private $v = 0;

  public function __construct($v) { $this->v = $v; }

  public function mul() {

  return function ($x) { return $this->v * $x; };

  }

  }

  $one = new Number(1);

  $two = new Number(2);

  $double = $two->mul()->bindTo($one);

  echo $double(5);

  Correct Answer: Answer: 5

• Question 9:

  What is the output of the following code?

  function increment ($val)

  {

  $_GET['m'] = (int) $_GET['m'] + 1;

  }

  $_GET['m'] = 1;

  echo $_GET['m'];

  Correct Answer: Answer: 1

• Question 10:

  What is the output of the following code?

  function increment (and$val)

  {

  return $val + 1;

  }

  $a = 1;

  echo increment ($a);

  echo increment ($a);

  Correct Answer: Answer: 22