Zend 200-710 Online Practice Questions and Exam Preparation

Zend 200-710 Online Questions & Answers

• Question 191:

  What is the return value of the following code: substr_compare("foobar", "bar", 3);

  A. -1
  B. 1
  C. TRUE
  E. FALSE
  D

• Question 192:

  What is the output of the following code?

  

  A. 1
  B. 2
  C. null
  A. 1

• Question 193:

  What will be the result of the following operation? array_combine(array("A","B","C"), array(1,2,3));

  A. array("A","B","C",1,2,3)
  B. array(1,2,3,"A","B",C")
  C. array("A"=>1,"B"=>2,"C"=>3)
  D. array(1=>"A",2=>"B",3=>"C")
  E. array(1,2,3)
  C. array("A"=>1,"B"=>2,"C"=>3)

• Question 194:

  Which sentence describes the following regular expression match? preg_match('/^\d+(?:\.[0-9]+)?$/', $test);

  A. It matches float numbers with thousand seperators.
  B. It matches float numbers without thousand seperators.
  C. It matches binary integer numbers.
  D. It matches any string.
  E. It does not match anything
  B. It matches float numbers without thousand seperators.

• Question 195:

  Which of the following tasks can be achieved by using magic methods? (Choose 3)

  A. Initializing or uninitializing object data
  B. Creating a new stream wrapper
  C. Creating an iterable object
  D. Processing access to undefined methods or properties
  E. Overloading operators like +, *, etc.
  F. Converting objects to string representation
  A. Initializing or uninitializing object data
  D. Processing access to undefined methods or properties
  F. Converting objects to string representation

• Question 196:

  Which of the following is NOT possible using reflection?

  A. Analysing of nearly any aspect of classes and interfaces
  B. Analysing of nearly any aspect of functions
  C. Adding class methods
  D. Implement dynamic construction (new with variable class name)
  C. Adding class methods

• Question 197:

  FILL BLANK

  What function can be used to determine the type of an object property?

  get_object_vars()

• Question 198:

  How many times will the function counter() be executed in the following code?

  function counter($start, and$stop)

  {

  if ($stop > $start)

  {

  return;

  }

  counter($start--, ++$stop);

  }

  $start = 5;

  $stop = 2;

  counter($start, $stop);

  A. 3
  B. 4
  C. 5
  D. 6
  C. 5

• Question 199:

  What will an opcode cache ALWAYS automatically improve?

  A. Running time of a loop in a PHP script
  B. Efficiency of HTML markup generated by a PHP script
  C. Execution speed of a PHP script
  D. Memory footprint of a PHP script
  E. None of the above
  E. None of the above

• Question 200:

  Given the following code, what will the output be:

  trait MyTrait {

  private $abc = 1;

  public function increment() {

  $this->abc++;

  }

  public function getValue() {

  return $this->abc;

  }

  }

  class MyClass {

  use MyTrait;

  public function incrementBy2() {

  $this->increment();

  $this->abc++;

  }

  }

  $c = new MyClass;

  $c->incrementBy2();

  var_dump($c->getValue());

  A. Fatal error: Access to private variable MyTrait::$abc from context MyClass
  B. Notice: Undefined property MyClass::$abc
  C. int(2)
  D. int(3)
  E. NULL
  D. int(3)