Why output functions matter in PHP - See It in Action

Why output functions matter

📖 Scenario: Imagine you are creating a simple PHP script to show a message to your website visitors. To see the message, you need to use output functions that send text to the browser.

🎯 Goal: You will build a PHP script that stores a message and then uses an output function to display it on the screen.

📋 What You'll Learn

Create a variable to hold a message string

Create a variable to hold a greeting prefix

Combine the greeting and message using concatenation

Use an output function to display the combined message

💡 Why This Matters

🌍 Real World

Websites use PHP output functions to show text, images, and other content to visitors.

💼 Career

Knowing how to display information is a basic skill for web developers working with PHP.

1

Create a message variable

Create a variable called $message and set it to the string 'Welcome to our website!'.

PHP

<?php

// Create a variable called $message and set it to 'Welcome to our website!'
// Your code here

Need a hint?

Use the = sign to assign the string to the variable.

2

Create a greeting variable

Create a variable called $greeting and set it to the string 'Hello! ' (note the space after the exclamation mark).

PHP

<?php

$message = 'Welcome to our website!';
// Create a variable called $greeting and set it to 'Hello! '
// Your code here

Need a hint?

Remember to include the space after the exclamation mark inside the quotes.

3

Combine greeting and message

Create a variable called $fullMessage and set it to the combination of $greeting and $message using the concatenation operator ..

PHP

<?php

$message = 'Welcome to our website!';
$greeting = 'Hello! ';
// Combine $greeting and $message into $fullMessage using concatenation
// Your code here

Need a hint?

Use the dot . to join two strings in PHP.

4

Display the combined message

Use the echo statement to output the variable $fullMessage so it shows on the screen.

PHP

<?php

$message = 'Welcome to our website!';
$greeting = 'Hello! ';
$fullMessage = $greeting . $message;
// Use echo to display $fullMessage
// Your code here

Need a hint?

The echo statement sends text to the browser so users can see it.