feat: lab3 complete - ENE212-0063/2021

starter/lab3_task1.php

@@ -3,11 +3,11 @@
  * ICS 2371 — Lab 3: Control Structures I
  * Task 1: Simple if and if-else — Warm-Up Exercises [5 marks]
  *
- * @author     [Your Full Name]
- * @student    [Your Reg Number, e.g. SCT212-XXXX/2024]
+ * @author     [Tim Kiplimo]
+ * @student    [ENE212-0063/2021]
  * @lab        Lab 3 of 14
  * @unit       ICS 2371
- * @date       [Date completed]
+ * @date       [3/04/2026]
  */
 
 // ══════════════════════════════════════════════════════════════
@@ -21,6 +21,19 @@
 // Test with: 36.8, 39.2, 34.5 — screenshot each
 
 // TODO: Exercise A — your code here
+// --- Exercise A: Temperature Alert System ---
+echo "<h3>Exercise A</h3>";
+$temperature = 34.5; // Change this value to 36.8 and 34.5 for your screenshots
+
+if ($temperature >= 36.1 && $temperature <= 37.5) {
+    echo "Normal<br>";
+}
+if ($temperature > 37.5) {
+    echo "Fever<br>";
+}
+if ($temperature < 36.1) {
+    echo "Hypothermia Warning<br>";
+}
 
 
 // ══════════════════════════════════════════════════════════════
@@ -31,7 +44,18 @@
 // Also check divisibility by 3, by 5, and by both 3 and 5 — one line each
 
 // TODO: Exercise B — your code here
+echo "<h3>Exercise B</h3>";
+$number = 47;
 
+if ($number % 2 == 0) {
+    echo "$number is EVEN<br>";
+} else {
+    echo "$number is ODD<br>";
+}
+// Additional checks
+echo ($number % 3 == 0) ? "$number is divisible by 3<br>" : "$number is NOT divisible by 3<br>";
+echo ($number % 5 == 0) ? "$number is divisible by 5<br>" : "$number is NOT divisible by 5<br>";
+echo ($number % 3 == 0 && $number % 5 == 0) ? "$number is divisible by both<br>" : "$number is NOT divisible by both<br>";
 
 // ══════════════════════════════════════════════════════════════
 // EXERCISE C — Comparison Chain
@@ -68,3 +92,9 @@
 echo "Config: $result<br>";
 
 // TODO: Add one more chained ?? example of your own and explain it in your report.
+$user_color = null;
+$session_color = null;
+$theme_default = "dark-mode";
+$final_theme = $user_color ?? $session_color ?? $theme_default;
+echo "Active Theme: $final_theme<br>";
+?>

starter/lab3_task2.php

@@ -7,11 +7,11 @@
  * report BEFORE writing any code below. Marks are awarded for all
  * three components: pseudocode, flowchart, and working code.
  *
- * @author     [Your Full Name]
- * @student    [Your Reg Number, e.g. SCT212-XXXX/2024]
+ * @author     [Tim Kiplimo]
+ * @student    [ENE212-0063/2021]
  * @lab        Lab 3 of 14
  * @unit       ICS 2371
- * @date       [Date completed]
+ * @date       [3/04/2026]
  */
 
 // ── Test Data Set A (change values to run other test sets) ─────────────────
@@ -64,3 +64,83 @@
 // Set C: cat1=0, cat2=0, cat3=7, cat4=0,  exam=48  → expect DISQUALIFIED
 // Set D: cat1=5, cat2=4, cat3=6, cat4=3,  exam=22  → expect grade D + supp eligible
 // Set E: cat1=0, cat2=0, cat3=0, cat4=0,  exam=15  → expect DISQUALIFIED
+
+<?php
+/**
+ * Lab 3 - Task 2: Student Grading & Eligibility System
+ * Course: Structural Programming
+ */
+
+// --- TEST DATA SETS ---
+// Uncomment the set you want to test (Shift + /)
+// Set A: Expected Grade B
+//$cat1 = 8; $cat2 = 7; $cat3 = 9; $cat4 = 6; $exam = 52; 
+
+// Set B: Expected Grade A (Check attendance)
+// $cat1 = 9; $cat2 = 8; $cat3 = 0; $cat4 = 9; $exam = 55; 
+
+// Set C: Expected DISQUALIFIED
+//$cat1 = 0; $cat2 = 0; $cat3 = 7; $cat4 = 0; $exam = 48; 
+
+// Set D: Expected Grade D + Supp Eligible
+// $cat1 = 5; $cat2 = 4; $cat3 = 6; $cat4 = 3; $exam = 22; 
+
+// Set E: Expected DISQUALIFIED
+$cat1 = 0; $cat2 = 0; $cat3 = 0; $cat4 = 0; $exam = 15; 
+
+
+// 1. Calculate Total Score
+$total = $cat1 + $cat2 + $cat3 + $cat4 + $exam;
+
+// 2. Determine CAT Attendance (Score > 0 counts as attended)
+$cats_array = [$cat1, $cat2, $cat3, $cat4];
+$cats_attended = 0;
+foreach ($cats_array as $score) {
+    if ($score > 0) {
+        $cats_attended++;
+    }
+}
+
+echo "<h2>Student Results</h2>";
+echo "Total Score: $total / 100<br>";
+echo "CATs Attended: $cats_attended<br><br>";
+
+// 3. Eligibility Rule (NESTED IF)
+if ($cats_attended >= 3 && $exam >= 20) {
+
+    // 4. Grade Rules (if-elseif-else, highest first)
+    if ($total >= 70) {
+        $grade = "A";
+        $desc = "Distinction";
+    } elseif ($total >= 65) {
+        $grade = "B+";
+        $desc = "Credit Upper";
+    } elseif ($total >= 60) {
+        $grade = "B";
+        $desc = "Credit Lower";
+    } elseif ($total >= 55) {
+        $grade = "C+";
+        $desc = "Pass Upper";
+    } elseif ($total >= 50) {
+        $grade = "C";
+        $desc = "Pass Lower";
+    } elseif ($total >= 40) {
+        $grade = "D";
+        $desc = "Marginal Pass";
+    } else {
+        $grade = "E";
+        $desc = "Fail";
+    }
+
+    // 5. Supplementary Rule (TERNARY)
+    $supp_status = ($grade === "D") ? "Eligible for Supplementary Exam" : "Not eligible for supplementary";
+
+    // Output Results
+    echo "<strong>GRADE: $grade ($desc)</strong><br>";
+    echo "Status: $supp_status<br>";
+
+} else {
+    // Failure of Eligibility Gate
+    echo "<strong style='color:red;'>DISQUALIFIED — Exam conditions not met</strong><br>";
+}
+?>

starter/lab3_task3.php

@@ -3,11 +3,11 @@
  * ICS 2371 — Lab 3: Control Structures I
  * Task 3: switch-case and match Expression [6 marks]
  *
- * @author     [Your Full Name]
- * @student    [Your Reg Number, e.g. SCT212-XXXX/2024]
+ * @author     [Tim Kiplimo]
+ * @student    [ENE212-0063/2021]
  * @lab        Lab 3 of 14
  * @unit       ICS 2371
- * @date       [Date completed]
+ * @date       [3/04/2026]
  */
 
 // ══════════════════════════════════════════════════════════════
@@ -18,6 +18,20 @@
 // Group Saturday and Sunday under "Weekend".
 // All weekdays print their name and "— Lecture day".
 // Remember: break is NOT optional. Missing break = fall-through.
+// --- Exercise A: Day of Week Classifier ---
+echo "<h3>Exercise A: Day Classifier</h3>";
+$day = 3; // Test with 1-7
+
+switch ($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>";
+}
 
 $day = 3; // change this to test all cases
 
@@ -40,6 +54,20 @@
 $status_code = 404;
 
 // TODO: switch-case for HTTP status
+// --- Exercise B: HTTP Status Code (Switch) ---
+echo "<h3>Exercise B: HTTP Switch</h3>";
+$status_code = "200";
+
+switch ($status_code) {
+    case 200: echo "200: OK<br>"; break;
+    case 301: echo "301: Moved Permanently<br>"; break;
+    case 400: echo "400: Bad Request<br>"; break;
+    case 401: echo "401: Unauthorized<br>"; break;
+    case 403: echo "403: Forbidden<br>"; break;
+    case 404: echo "404: Not Found<br>"; break;
+    case 500: echo "500: Internal Server Error<br>"; break;
+    default:  echo "Unknown Status Code<br>";
+}
 
 
 // ══════════════════════════════════════════════════════════════
@@ -50,7 +78,20 @@
 // Observe the difference in syntax and behaviour.
 
 // TODO: match expression for HTTP status — same logic as Exercise B
-
+// --- Exercise C: PHP 8 Match Rewrite ---
+echo "<h3>Exercise C: HTTP Match Expression</h3>";
+// Note: Match returns a value, so we assign it or echo it directly
+$message = match ($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 "$message<br>";
 
 // ══════════════════════════════════════════════════════════════
 // EXERCISE D — Rewrite comparison

starter/lab3_task4.php

@@ -6,11 +6,11 @@
  * IMPORTANT: You must complete pseudocode AND flowchart in your PDF
  * report BEFORE writing any code below.
  *
- * @author     [Your Full Name]
- * @student    [Your Reg Number, e.g. SCT212-XXXX/2024]
+ * @author     [Tim Kiplimo]
+ * @student    [ENE212-0063/2021]
  * @lab        Lab 3 of 14
  * @unit       ICS 2371
- * @date       [Date completed]
+ * @date       [3/04/2026]
  */
 
 // ── Problem: Student Loan Eligibility System ───────────────────────────────
@@ -57,3 +57,60 @@
 // Set C: enrolled=false, gpa=3.5, income=60000,   previous=true  → Not enrolled
 // Set D: enrolled=true,  gpa=2.5, income=600000,  previous=true  → Income fail
 // Set E: enrolled=true,  gpa=2.0, income=50000,   previous=true  → Full | Renewal
+
+// --- TEST DATA SETS ---
+// Set A: Expected "Partial 75% | New"
+//$enrolled = true; $gpa = 3.1; $income = 180000; $prev_loan = false;
+
+// Set B: Expected "GPA fail"
+//$enrolled = true; $gpa = 1.8; $income = 80000; $prev_loan = false;
+
+// Set C: Expected "Not enrolled"
+//$enrolled = false; $gpa = 3.5; $income = 60000; $prev_loan = true;
+
+// Set D: Expected "Income fail"
+// $enrolled = true; $gpa = 2.5; $income = 600000; $prev_loan = true;
+
+// Set E: Expected "Full | Renewal"
+$enrolled = true; $gpa = 2.0; $income = 50000; $prev_loan = true;
+
+
+echo "<h2>HELB Loan Eligibility Results</h2>";
+
+// OUTER CHECK — Enrollment
+if ($enrolled === true) {
+
+    // INNER CHECK 1 — GPA
+    if ($gpa >= 2.0) {
+
+        // INNER CHECK 2 — Household Income
+        if ($income < 100000) {
+            $loan_status = "Full loan";
+            $eligible = true;
+        } elseif ($income < 250000) {
+            $loan_status = "Partial 75%";
+            $eligible = true;
+        } elseif ($income < 500000) {
+            $loan_status = "Partial 50%";
+            $eligible = true;
+        } else {
+            $loan_status = "Not eligible — High income";
+            $eligible = false;
+        }
+
+        // TERNARY — Renewal vs New (Only if eligible)
+        if ($eligible) {
+            $app_type = ($prev_loan) ? "Renewal application" : "New application";
+            echo "<strong>Status: $loan_status | $app_type</strong>";
+        } else {
+            echo "<span style='color:orange;'>$loan_status</span>";
+        }
+
+    } else {
+        echo "<span style='color:red;'>Not eligible — GPA below minimum (GPA fail)</span>";
+    }
+
+} else {
+    echo "<span style='color:red;'>Not eligible — must be an active student (Not enrolled)</span>";
+}
+?>