Zend 200-710 Online Practice Questions and Exam Preparation

Zend 200-710 Online Questions & Answers

• Question 41:

  What is the output of the following code?

  class Test {

  public function __call($name, $args)

  {

  call_user_func_array(array('static', "test$name"), $args); }

  public function testS($l) {

  echo "$l,";

  }

  }

  class Test2 extends Test {

  public function testS($l) {

  echo "$l,$l,";

  }

  }

  $test = new Test2();

  $test->S('A');

  A. A,
  B. A,A,
  C. A,A,A,
  D. PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback
  B. A,A,

• Question 42:

  Which interfaces could class C implement in order to allow each statement in the following code to work? (Choose 2)

  $obj = new C();

  foreach ($obj as $x => $y) {

  echo $x, $y;

  }

  A. Iterator
  B. ArrayAccess
  C. IteratorAggregate
  D. ArrayObject
  A. Iterator
  C. IteratorAggregate

• Question 43:

  What function can reverse the order of values in an array so that keys are preserved?

  A. array_flip()
  B. array_reverse()
  C. rsort()
  D. krsort()
  E. array_multisort()
  B. array_reverse()

• Question 44:

  CORRECT TEXT

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

  childNodes

• Question 45:

  What is the output of the following code?

  

  A. MyNamespace\Test
  B. empty string
  C. parse error
  D. Test
  B. empty string

• Question 46:

  Which of the following statements about anonymous functions in PHP are NOT true? (Choose 2)

  A. Anonymous functions can be bound to objects
  B. Anonymous functions created within object context are always bound to that object
  C. Assigning closure to a property of an object binds it to that object
  D. Methods bind() and bindTo() of the Closure object provide means to create closures with different binding and scope
  E. Binding defines the value of $this and the scope for a closure
  B. Anonymous functions created within object context are always bound to that object
  C. Assigning closure to a property of an object binds it to that object

• Question 47:

  How many elements does the $matches array contain after the following function call is performed? preg_match('/^(\d{1,2}([a-z]+))(?:\s*)\S+ (?=201[0-9])/', '21st March 2014', $matches);

  A. 1
  B. 2
  C. 3
  D. 4
  C. 3

• Question 48:

  Which of the following statements is true?

  A. All PHP database extensions support prepared statements
  B. All PHP database extensions come with their own special helper functions to escape user data to be used in dynamic SQL queries
  C. All PHP database extensions provide an OOP interface
  D. All PHP database extensions appear in the output of php -m , if installed and enabled
  D. All PHP database extensions appear in the output of php -m , if installed and enabled

• Question 49:

  You work for a shared hosting provider, and your supervisor asks you to disable user scripts to dynamically load PHP extensions using the dl() function. How can you do this? (Choose 2)

  A. Set enable_dl to Off in the server's php.ini configuration file.
  B. Add dl to the current value of disable_functions in the server's php.ini configuration file.
  C. Add dl to the current value of disable_classes in the server's php.ini configuration file.
  D. Write a custom function called dl() , save it under the name prepend.inc and then set the auto_prepend_file directive to prepend.inc in php.ini.
  A. Set enable_dl to Off in the server's php.ini configuration file.
  B. Add dl to the current value of disable_functions in the server's php.ini configuration file.

• Question 50:

  What will the following code print out? $str = 'and#10004; one of the following'; echo str_replace('and#10004;', 'Check', $str);

  A. Check one of the following
  B. one of the following
  C. and#10004; one of the following
  A. Check one of the following