How can you use nested conditional execution to categorize a person's age group as 'Child', 'Teen', or 'Adult' in PHP?Choose the correct code snippet.

hard📝 Application Q9 of 15

PHP - Conditional Statements

How can you use nested conditional execution to categorize a person's age group as 'Child', 'Teen', or 'Adult' in PHP?

Choose the correct code snippet.

A<?php $age = 16; if ($age < 13) { echo 'Child'; } else if ($age >= 20) { echo 'Adult'; } else { echo 'Teen'; } ?>

B<?php $age = 16; if ($age < 13) { echo 'Child'; } elseif ($age < 20) { echo 'Teen'; } else { echo 'Adult'; } ?>

C<?php $age = 16; if ($age < 13) { echo 'Child'; } if ($age < 20) { echo 'Teen'; } else { echo 'Adult'; } ?>

D<?php $age = 16; if ($age < 13) { echo 'Child'; } else { if ($age < 20) { echo 'Teen'; } else { echo 'Adult'; } } ?>

Step-by-Step Solution

Solution:

Step 1: Understand nested if for age groups
uses nested if inside else to separate 'Teen' and 'Adult' correctly.
Step 2: Compare other options
uses elseif (not nested), C prints multiple outputs, D changes order.
Final Answer:
Correctly uses nested if for age categorization -> Option D
Quick Check:
Nested if separates categories stepwise [OK]

Quick Trick: Use nested if inside else for multi-level checks [OK]

Common Mistakes:

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