How do you correctly define a custom exception class named CustomError that inherits from PHP's built-in Exception class?

easy📝 Syntax Q3 of 15

PHP - Error and Exception Handling

How do you correctly define a custom exception class named CustomError that inherits from PHP's built-in Exception class?

Aclass CustomError implements Exception {}

Bclass CustomError extends Exception {}

Cclass CustomError inherits Exception {}

Dclass CustomError extends Error {}

Step-by-Step Solution

Solution:

Step 1: Understand inheritance syntax
In PHP, classes extend other classes using the extends keyword.
Step 2: Correct base class
Custom exceptions must extend the built-in Exception class, not Error or implement it.
Final Answer:
class CustomError extends Exception {} -> Option B
Quick Check:
Use extends Exception to define custom exceptions [OK]

Quick Trick: Use 'extends Exception' to create custom exceptions [OK]

Common Mistakes:

Master "Error and Exception Handling" in PHP

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More PHP Quizzes