PHP - Inheritance and Polymorphism
Which of the following is the correct syntax to call a parent class constructor inside a child class constructor in PHP?
Which of the following is the correct syntax to call a parent class constructor inside a child class constructor in PHP?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall PHP constructor naming
PHP constructors are named__constructwith two underscores.Step 2: Correct syntax to call parent constructor
To call the parent constructor, useparent::__construct();with double colon and double underscores.Final Answer:
parent::__construct(); -> Option AQuick Check:
Parent constructor call = parent::__construct() [OK]
Quick Trick: Use double colon and double underscores for parent constructor [OK]
Common Mistakes:
- Using single underscore or wrong method name
- Using arrow (->) instead of double colon (::)
- Calling parent constructor without parentheses
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