Clear diagrams that explain how a browser communicates with a server.

$conn = mysqli_connect('localhost', 'username', 'password', 'example'); if (!$conn) { die('Connection failed: ' . mysqli_connect_error()); } $sql = "SELECT * FROM users"; $result = mysqli_query($conn, $sql); while ($row = mysqli_fetch_assoc($result)) { echo $row['name'] . ' - ' . $row['email'] . '<br>'; } mysqli_close($conn);

: Covers variables, data types, conditional statements, and loops. It emphasizes writing clean, reusable code through functions and Object-Oriented Programming (OOP) .

Request-response cycle, environment setup (Apache/PHP/MySQL).

This is a basic example of how to integrate PHP and MySQL. Of course, there are many more advanced topics to explore, such as security, error handling, and optimization.

: Dedicated sections on mitigating risks, implementing authentication (logins), and building secure applications.