What are some recommended resources for learning more about PHP includes and switch statements?

When working with PHP includes, it is important to understand how to properly include external files into your code to reuse common elements such as headers or footers. Switch statements in PHP are useful for executing different blocks of code based on the value of a variable. To learn more about PHP includes and switch statements, you can refer to the official PHP documentation, online tutorials, and books on PHP programming.

<?php
// Example of using include to reuse a header file
include 'header.php';

// Example of using a switch statement
$day = "Monday";
switch ($day) {
    case "Monday":
        echo "Today is Monday";
        break;
    case "Tuesday":
        echo "Today is Tuesday";
        break;
    default:
        echo "It's not Monday or Tuesday";
}
?>