PHP (MCQs)
Q.76 Which PHP function is used to set a custom error handler?
A. set_error_handler()
B. error_report()
C. handle_error()
D. trigger_error()
Answer. A
Q.77 What is the purpose of the try and catch block in PHP?
A. To detect and handle syntax errors
B. To manage program flow
C. To handle exceptions and errors
D. To debug code
Answer. C
Q.78 In PHP, which operator is used at the beginning of an expression to suppress error messages that it may generate?
A. @
B. #
C. $
D. !
Answer. A
Q.79 Find the mistake in this PHP code involving object-oriented principles:
class Book { public $title; public function __construct(title) { $this->title = title; } }
A. Missing $ before parameter in constructor
B. Syntax error in property declaration
C. No error in the code
D. Error in method definition
Answer. A
Q.80 Identify the error in the following PHP class definition:
class Car {
function __construct() {
$this->model = ”;
}
public function getModel() {
return model;
}
}
A. Undefined variable model
B. Syntax error in constructor
C. Missing property declaration
D. No error in the code
Answer. A
Q.81 What is the result of calling the following PHP code?
class Animal {
protected $sound = “No sound”;
public function makeSound() {
return $this->sound;
}
}
class Dog extends Animal {
protected $sound = “Bark”;
}
$dog = new Dog();
echo $dog->makeSound();
A. Bark
B. No sound
C. Error
D. Dog
Answer. A
Q.82 Consider the PHP class:
class Circle {
private $radius;
public function __construct($r) {
$this->radius = $r;
}
public function getArea() {
return pi() *
$this->radius * $this->radius; }
}
$circle = new Circle(3);
echo $circle->getArea();
A. The area of a circle with radius 3
B. Syntax error
C. No output
D. Error due to private property access
Answer. A
Q.83 What will be the output of the following PHP code?
class Test {
public $prop = ‘Hello’;
}
$obj = new Test();
echo $obj->prop;
A. Hello
B. Test
C. prop
D. Error
Answer. A
Q.84 How is a static property accessed in a PHP class?
A. With the new keyword
B. With the -> operator
C. Using the class name and ::
D. Using the $this keyword
Answer. C
Q.85 What does the final keyword signify when applied to a method in PHP?
A. The method cannot be overridden
B. The method is the last in the class
C. The method is static
D. The method is the most important in the class
Answer. A
