$_POST for form submissions in PHP - Mini Project: Build & Apply

Using $_POST for Form Submissions in PHP

📖 Scenario: You want to create a simple web form where users can enter their name and email. When they submit the form, the server will receive the data and display a welcome message with their name and email.

🎯 Goal: Build a PHP script that uses the $_POST superglobal to get form data and display it back to the user.

📋 What You'll Learn

Create an HTML form with method="post" and inputs for name and email.

Create PHP variables to store the submitted name and email from $_POST.

Use PHP to check if the form was submitted before accessing $_POST data.

Display a welcome message using the submitted name and email.

💡 Why This Matters

🌍 Real World

Forms are everywhere on the web for collecting user information like sign-ups, contact info, and feedback. Using $_POST is the standard way in PHP to handle form submissions securely.

💼 Career

Web developers often need to create forms and process user input. Understanding $_POST is essential for backend PHP programming and building interactive websites.

1

Create the HTML form

Create an HTML form with method="post" and two input fields: name="name" and name="email". Also add a submit button with the text Submit.

PHP

Need a hint?

Use the <form> tag with method="post". Add two inputs with name attributes exactly as name and email.

2

Create PHP variables to hold submitted data

Create two PHP variables called $name and $email. Set them to empty strings initially.

PHP

  Name:
  
  
  Email:
  
  
  Submit

Need a hint?

Before the form, create $name and $email variables and set them to empty strings.

3

Assign submitted form data to PHP variables

Use an if statement to check if $_POST['name'] and $_POST['email'] are set. If yes, assign $_POST['name'] to $name and $_POST['email'] to $email.

PHP

  Name:
  
  
  Email:
  
  
  Submit

Need a hint?

Use isset() to check if the form data exists before using it.

4

Display the welcome message with submitted data

Add a print statement to display: "Welcome, $name! Your email is $email." below the form.

PHP

  Name:
  
  
  Email:
  
  
  Submit

Need a hint?

Use print() with double quotes and variables inside to show the message.