Object Tools MCQ

Test your knowledge with important Object Tools MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Object Tools MCQs on Bissoy. Bissoy App

• Which class accepts a class name or an object reference and returns an array of interface name?
  ক

  class_implements()

  খ

  is_subclass()

  গ

  is_subclass_of()

  ঘ

  class_interface()
• Which one of the following function should I use to find the parent class of a class?
  ক

  get_parent_class()

  খ

  parent_class()

  গ

  class_parent()

  ঘ

  get_class_parent()
• If you call a method and it doesn’t exist it’ll cause a problem. To check the method which function will you use?
  ক

  _method()

  খ

  methodexists()

  গ

  is_callable()

  ঘ

  is_method()
• You use the get_class_methods() function to return the names of all the methods in the class. Which function will you use to print it on the screen?
  ক

  printf()

  খ

  print_ar

  গ

  print_r

  ঘ

  echo
• Which one of the following will you use to check the class of an object?
  ক

  class()

  খ

  _class()

  গ

  class_check()

  ঘ

  get_class()
• Which one of the following functions will you use to check that the class exists before you work with it?
  ক

  class_exist()

  খ

  class_exists()

  গ

  exist()

  ঘ

  exists_class()
• Which function was introduced to help automate the inclusion of class files?
  ক

  __load()

  খ

  __preload()

  গ

  __autoload()

  ঘ

  __inload()
• Which one of the following statements is true for require() and require_once()?
  ক

  They are functions

  খ

  They are statements

  গ

  They’ll not work if the () is not present

  ঘ

  They can not be used to require files
• Which one of the following statements is true for include_once() and require_once()?
  ক

  Both are exactly the same

  খ

  include_once is used for files where as require_once() is not

  গ

  Both Handle the errors in the same way

  ঘ

  Both do not handle the errors in the same way
• Which symbol is used to declare nested namespaces?
  ক

  /

  খ

  \

  গ

  .

  ঘ

  |
• Which one of the following is the correct way of declaring a namespace?
  ক

  namespace my;

  খ

  namespace my();

  গ

  my namespace;

  ঘ

  namespace(my);
• Till which version of PHP, developers were forced to name their files in a global context?
  ক

  PHP 4

  খ

  PHP 5

  গ

  PHP 5.2

  ঘ

  PHP 5.3
• A package is a set of related _________
  ক

  Objects

  খ

  Classes

  গ

  Programs

  ঘ

  Functions