$_GET for URL parameters in PHP - Mini Project: Build & Apply

Using $_GET to Read URL Parameters in PHP

📖 Scenario: You are building a simple PHP page that greets users by their name passed in the URL.

🎯 Goal: Create a PHP script that reads a name parameter from the URL using $_GET and displays a greeting message.

📋 What You'll Learn

Create a PHP variable to store the name parameter from $_GET

Set a default value if the name parameter is not provided

Display a greeting message using the name variable

💡 Why This Matters

🌍 Real World

Reading URL parameters is common in web pages to customize content based on user input or links.

💼 Career

Understanding how to use <code>$_GET</code> is essential for PHP web developers to handle user requests and build dynamic websites.

1

Create a PHP variable to get the name parameter from the URL

Write a line of PHP code to create a variable called name that gets the value from $_GET['name'].

PHP

Need a hint?

Use $name = $_GET['name']; to get the URL parameter.

2

Add a default value if name is not set in the URL

Add a line of PHP code to set $name to "Guest" if $_GET['name'] is not set or empty.

PHP

Need a hint?

Use empty() to check if $name has no value and assign "Guest" if true.

3

Create a greeting message using the name variable

Write a line of PHP code to create a variable called greeting that stores the string "Hello, " followed by the value of $name.

PHP

Need a hint?

Use the dot . operator to join strings in PHP.

4

Display the greeting message

Write a line of PHP code to print the $greeting variable.

PHP

Need a hint?

Use print($greeting); to show the message on the page.