PHP Form Handling

3 min read

What is PHP Form Handling?

In this lesson, we explore PHP Form Handling. This is an important concept in PHP development that you will use frequently when building real-world projects. Understanding PHP Form Handling will help you write cleaner, more efficient code.

Syntax & Usage

The syntax and usage patterns for PHP Form Handling follow standard PHP conventions. Below you will see code examples that demonstrate the most common use cases. Try modifying these examples in your own editor to experiment with different approaches.

Example

Here is a practical example demonstrating PHP Form Handling:

Tips & Best Practices

Always sanitize user input to prevent SQL injection and XSS
Use prepared statements for database queries
Follow PSR coding standards for consistent code
Use Composer for dependency management

Summary

In this lesson you learned about PHP Form Handling. Practice writing code to reinforce these concepts and move on to the next lesson when you feel comfortable.

Examples

Example

php

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $name = htmlspecialchars($_POST["name"]);
    $email = filter_var($_POST["email"], FILTER_SANITIZE_EMAIL);

    if (empty($name)) {
        echo "Name is required";
    } elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
        echo "Invalid email format";
    } else {
        echo "Welcome, $name!";
    }
}
?>

<form method="post">
  Name: <input type="text" name="name">
  Email: <input type="email" name="email">
  <input type="submit">
</form>

Practice Yourself »