__construct and __destruct in PHP - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a constructor method in a PHP class.

PHP

<?php
class Car {
    public function [1]() {
        echo "Car created.";
    }
}
?>

Drag options to blanks, or click blank then click option'

A__construct

B__destruct

Cconstructor

Dinit

Attempts:

3 left

💡 Hint

Common Mistakes

Using __destruct instead of __construct

Using a method name without underscores

Using 'constructor' as method name

The __construct method is the special function called automatically when a new object is created.

2fill in blank

medium

Complete the code to define a destructor method in a PHP class.

PHP

<?php
class Car {
    public function [1]() {
        echo "Car destroyed.";
    }
}
?>

Drag options to blanks, or click blank then click option'

A__construct

B__destruct

Cdestroy

Ddelete

Attempts:

3 left

💡 Hint

Common Mistakes

Using __construct instead of __destruct

Using method names like 'destroy' or 'delete'

Forgetting the double underscores

The __destruct method is called automatically when an object is destroyed or script ends.

3fill in blank

hard

Fix the error in the constructor method name.

PHP

<?php
class Bike {
    public function [1]() {
        echo "Bike created.";
    }
}
?>

Drag options to blanks, or click blank then click option'

Aconstruct

B__destruct

Cinit

D__construct

Attempts:

3 left

💡 Hint

Common Mistakes

Missing underscores in method name

Using __destruct instead of __construct

Using 'construct' without underscores

The constructor method must be named __construct with two underscores.

4fill in blank

hard

Fill both blanks to create a class with constructor and destructor methods that print messages.

PHP

<?php
class House {
    public function [1]() {
        echo "House built.";
    }
    public function [2]() {
        echo "House demolished.";
    }
}
?>

Drag options to blanks, or click blank then click option'

A__construct

B__destruct

Cdestroy

Dbuild

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping constructor and destructor names

Using 'destroy' or 'build' instead of magic methods

Missing underscores

The constructor is __construct and the destructor is __destruct.

5fill in blank

hard

Fill all three blanks to create a class that sets a property in the constructor, prints it, and then prints a message in the destructor.

PHP

<?php
class Book {
    public $title;
    public function [1]($name) {
        $this->title = $name;
    }
    public function printTitle() {
        echo $this->[2];
    }
    public function [3]() {
        echo "Book closed.";
    }
}
?>

Drag options to blanks, or click blank then click option'

A__construct

Btitle

C__destruct

DprintTitle

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong method names for constructor or destructor

Accessing property with wrong name

Forgetting $this-> when accessing property

The constructor is __construct, the property is title, and the destructor is __destruct.