You have a parent class with a constructor that accepts parameters. How should the child class constructor be defined to properly inherit and extend the parent constructor in PHP?

hard📝 Application Q8 of 15

PHP - Inheritance and Polymorphism

ADefine child constructor with matching parameters and call parent::__construct() with those parameters.

BDefine child constructor without parameters and call parent::__construct() without arguments.

CDo not define a child constructor; PHP will automatically pass parameters to parent.

DDefine child constructor with different parameters and do not call parent::__construct().

Step-by-Step Solution

Solution:

Step 1: Understand parameter passing in constructors
If parent constructor requires parameters, child constructor must accept and pass them explicitly.
Step 2: Define child constructor accordingly
Child constructor should have matching parameters and call parent::__construct() with those parameters.
Final Answer:
Define child constructor with matching parameters and call parent::__construct() with those parameters. -> Option A
Quick Check:
Pass parameters explicitly to parent::__construct() [OK]

Quick Trick: Match parameters and call parent::__construct(params) [OK]

Common Mistakes:

Not passing parameters to parent constructor
Assuming automatic parameter forwarding
Defining child constructor without needed parameters

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More PHP Quizzes

You have a parent class with a constructor that accepts parameters. How should the child class constructor be defined to properly inherit and extend the parent constructor in PHP?

Step 1: Understand parameter passing in constructors

Step 2: Define child constructor accordingly

Final Answer:

Quick Check:

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