41. Which one of the following statements is true ?
class CopyMe {}
$first = new CopyMe();
$second = $first;
class CopyMe {}
$first = new CopyMe();
$second = $first;42. Which keyword must be added before $first variable on the third line of the above question to make $second and $first as distinct objects in PHP 5?
43. What will be the output of the following PHP code
class Person
{
function getName() { return "Bob"; }
function getAge() { return 44; }
function __toString() {
$desc = $this->getName();
$desc .= " (age ".$this->getAge().")";
return $desc;
}
}
$person = new Person();
print $person;
class Person
{
function getName() { return "Bob"; }
function getAge() { return 44; }
function __toString() {
$desc = $this->getName();
$desc .= " (age ".$this->getAge().")";
return $desc;
}
}
$person = new Person();
print $person;44. ______clone() is run on the _______ object.
45. Which method is invoked when an undefined property is accessed ?
46. What will be the output of the following PHP code?
class Checkout
{
final function totalize()
{
// calculate bill
}
}
class IllegalCheckout extends Checkout
{
final function totalize()
{
// change bill calculation
}
}
class Checkout
{
final function totalize()
{
// calculate bill
}
}
class IllegalCheckout extends Checkout
{
final function totalize()
{
// change bill calculation
}
}47. The practice of separating the user from the true inner workings of an application through well-known interfaces is known as _________
48. Which of the following term originates from the Greek language that means “having multiple forms,” defines OOP’s ability to redefine, a class’s characteristics?
49. The practice of creating objects based on predefined classes is often referred to as.
50. Which one of the following property scopes is not supported by PHP?
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