lab3_task3.php

<?php
/**
 * ICS 2371 — Lab 3: Control Structures I
 * Task 3: switch-case and match Expression [6 marks]
 *
 * @author     [Kevin Mutua]
 * @student    [ENE212-0078/2023]
 * @lab        Lab 3 of 14
 * @unit       ICS 2371
 * @date       [1 April 2026]
 */

// ==========================================
// Exercise A — Day of Week Classifier
// ==========================================
$day = 3; // Change this to test 1-7

echo "<h3>Exercise A: Day Classifier</h3>";

switch ($day) {
    case 1:
        echo "Monday — Lecture day<br>";
        break;
    case 2:
        echo "Tuesday — Lecture day<br>";
        break;
    case 3:
        echo "Wednesday — Lecture day<br>";
        break;
    case 4:
        echo "Thursday — Lecture day<br>";
        break;
    case 5:
        echo "Friday — Lecture day<br>";
        break;
    case 6:
    case 7:
        echo "Weekend<br>";
        break;
    default:
        echo "Invalid day<br>";
}

echo "<hr>";

// ==========================================
// Exercise B — HTTP Status Code Explainer
// ==========================================
$status_code = 404;

echo "<h3>Exercise B: HTTP Explainer (Switch)</h3>";

switch ($status_code) {
    case 200: echo "200: OK"; break;
    case 301: echo "301: Moved Permanently"; break;
    case 400: echo "400: Bad Request"; break;
    case 401: echo "401: Unauthorized"; break;
    case 403: echo "403: Forbidden"; break;
    case 404: echo "404: Not Found"; break;
    case 500: echo "500: Internal Server Error"; break;
    default:  echo "Unknown Status Code"; break;
}

echo "<hr>";

// ==========================================
// Exercise C — PHP 8 match Rewrite
// ==========================================
echo "<h3>Exercise C: HTTP Explainer (Match)</h3>";

// match is an expression, so we can assign its result to a variable
$explanation = match ($status_code) {
    200 => "200: OK",
    301 => "301: Moved Permanently",
    400 => "400: Bad Request",
    401 => "401: Unauthorized",
    403 => "403: Forbidden",
    404 => "404: Not Found",
    500 => "500: Internal Server Error",
    default => "Unknown Status Code",
};

echo $explanation;
?>