Ternary operator in PHP - Mini Project: Build & Apply

Using the Ternary Operator in PHP

📖 Scenario: You are creating a simple PHP script to check if a person is old enough to vote. Voting age is 18 years or older.

🎯 Goal: Build a PHP script that uses the ternary operator to decide if a person can vote based on their age.

📋 What You'll Learn

Create a variable called age with a specific integer value.

Create a variable called voting_age set to 18.

Use the ternary operator to create a variable can_vote that stores the string 'Yes' if age is greater than or equal to voting_age, otherwise 'No'.

Print the value of can_vote.

💡 Why This Matters

🌍 Real World

Ternary operators are used in real-world PHP scripts to make quick decisions without writing long if-else statements.

💼 Career

Understanding ternary operators helps you write cleaner and shorter code, a valuable skill for PHP developers.

1

Create the age variable

Create a variable called age and set it to the integer 20.

PHP

<?php

// Create a variable called age and set it to 20
// Your code here

Need a hint?

Use $age = 20; to create the variable.

2

Create the voting_age variable

Create a variable called voting_age and set it to the integer 18.

PHP

<?php

$age = 20;

// Create a variable called voting_age and set it to 18
// Your code here

Need a hint?

Use $voting_age = 18; to create the variable.

3

Use the ternary operator to set can_vote

Use the ternary operator to create a variable called can_vote that stores the string 'Yes' if age is greater than or equal to voting_age, otherwise 'No'.

PHP

<?php

$age = 20;
$voting_age = 18;

// Use the ternary operator to set can_vote to 'Yes' or 'No'
// Your code here

Need a hint?

Use $can_vote = ($age >= $voting_age) ? 'Yes' : 'No'; to assign the value.

4

Print the result

Print the value of the variable can_vote using echo.

PHP

= $voting_age) ? 'Yes' : 'No';

// Print the value of can_vote
// Your code here

Need a hint?

Use echo $can_vote; to print the result.