Object Oriented Programming, Zend Certification

Object Oriented Programming

Question: Type-hinting and the instanceof keyword can be used to check what types of things about variables?
A
If a particular child class extends from it

B
If they are an instance of a particular interface

C
If they are an abstract class

D
If they have a particular parent class

E
If they are an instance of a particular class

Note: Not available
1. Report
Question: In PHP 5's object model, a class can have multiple ______ but only a single direct ________.
A
None

B
interfaces, child

C
children, interface

D
interfaces, parent

E
parents, interface

Note: Not available
1. Report
Question: What three special methods can be used to perform special logic in the event a particular accessed method or member variable is not found?
A
__get($variable)

B
__call($method, $params)

C
__get($method)

D
__set($variable, $value)

E
__call($method)

Note: Not available
1. Report
Question: The _______ method will be called automatically when an object is represented as a string.
A
getString()

B
__get()

C
__value()

D
__toString()

E
__getString()

Note: Not available
1. Report
Question: When an object is serialized, which method will be called, automatically, providing your object with an opportunity to close any resources or otherwise prepare to be serialized?
A
__destroy()

B
__serialize()

C
__destruct()

D
__shutdown()

E
__sleep()

Note: Not available
1. Report

Question: What is the output of the following code?<?php

class MyException extends Exception {}
class AnotherException extends MyException {}

class Foo {
  public function something() {
    throw new AnotherException();
  }
  public function somethingElse() {
    throw new MyException();
  }
}

$a = new Foo();

try {
  try {
    $a->something();	
  } catch(AnotherException $e) {
    $a->somethingElse();	
  } catch(MyException $e) {
    print "Caught Exception";
  }
} catch(Exception $e) {
  print "Didn't catch the Exception!";
}

?>
A"Caught Exception" followed by "Didn't catch the Exception!"

BA fatal error for an uncaught exception

C"Didn't catch the Exception!"

D"Didn't catch the Exception!" followed by a fatal error

E"Caught Exception"

Note: Not available

Report

Question: Which two internal PHP interfaces provide functionality which allow you to treat an object like an array?
A
iteration

B
arrayaccess

C
objectarray

D
iterator

E
array

Note: Not available
1. Report

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Question: Type-hinting and the instanceof keyword can be used to check what types of things about variables?

Question: In PHP 5's object model, a class can have multiple but only a single direct __.

Question: What three special methods can be used to perform special logic in the event a particular accessed method or member variable is not found?

Question: The _______ method will be called automatically when an object is represented as a string.

Question: When an object is serialized, which method will be called, automatically, providing your object with an opportunity to close any resources or otherwise prepare to be serialized?

Question: Which two internal PHP interfaces provide functionality which allow you to treat an object like an array?

Question: Type-hinting and the instanceof keyword can be used to check what types of things about variables?

Question: In PHP 5's object model, a class can have multiple ______ but only a single direct ________.

Question: What three special methods can be used to perform special logic in the event a particular accessed method or member variable is not found?

Question: The _______ method will be called automatically when an object is represented as a string.

Question: When an object is serialized, which method will be called, automatically, providing your object with an opportunity to close any resources or otherwise prepare to be serialized?

Question: Which two internal PHP interfaces provide functionality which allow you to treat an object like an array?

Question: In PHP 5's object model, a class can have multiple but only a single direct __.