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feat: lab3 complete - ENE212-0088/2023 #20

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26d27b7
Complete Lab 3 tasks
bran-ice Apr 8, 2026
e8368e9
Update lab3_task1.php
bran-ice Apr 11, 2026
b83f76a
Update lab3_task2.php
bran-ice Apr 11, 2026
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78 changes: 75 additions & 3 deletions starter/lab3_task1.php
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* 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 BRANICE NAFULA
* @student ENE212-0088/2023
* @lab Lab 3 of 14
* @unit ICS 2371
* @date [Date completed]
* @date 7TH APRIL 2026
*/

// ══════════════════════════════════════════════════════════════
Expand Down Expand Up @@ -68,3 +68,75 @@
echo "Config: $result<br>";

// TODO: Add one more chained ?? example of your own and explain it in your report.
<?php
echo "<h3>Exercise A - Temperature Alert system</h3>";
$temperatures = [36.8, 39.2, 34.5];
foreach ($temperatures as $temperature) {
echo "Temperature: $temperature C";
if ($temperature >= 36.1 && $temperature <= 37.5) {
echo "normal\n";
}
if ($temperature > 37.5) {
echo "fever\n";
}
if ($temperature < 36.1) {
echo "hypothermia warning\n";
}
echo "<br>";
}
echo "<h3>Exercise B </h3>";
// Even or Odd
$number = 47;
if ($number % 2 == 0) {
echo "$number is EVEN\n";
} else {
echo "$number is ODD\n";
echo "<br>";
}
// Divisibility by 3
if ($number % 3 == 0) {
echo "Divisible by 3\n";
} else {
echo "Not Divisible by 3\n";
echo "<br>";
}
// Divisibity by 5
if ($number % 5 == 0) {
echo "Divisible by 5\n";
} else {
echo "Not Divisible by 5\n";
echo "<br>";
}
// Divisibility by 3 and 5
if ($number % 3 == 0 && $number % 5 == 0) {
echo "Divisible by both 3 and 5\n";
} else {
echo "Not divisible by both 3 and 5\n";
echo "<br>";
}
echo " <h3>Exercise C - Comparison Chain </h3> ";
$x = 10;
$y = "10";
$z = 10.0;
var_dump($x == $y);
var_dump($x === $y);
var_dump($x == $z);
var_dump($x === $z);
var_dump($y === $z);
var_dump($x <=> $y );
echo "<br>";
echo "<h3>Exercise D - Null and Default Values</h3>";
$username = null;
$display = $username ?? "Guest";
echo "welcome, $display<br>";
$config_val = null;
$env_val = null;
$default = "system_default";
$result = $config_val ?? $env_val ?? $default;
echo "Config: $result<br>";
$user_color_pref = null;
$theme_color = null;
$fallback_color = "black";
$final_color = $user_color_pref ?? $theme_color ?? $fallback_color;
echo "Selected Color: $fallback_color";
?>
68 changes: 64 additions & 4 deletions starter/lab3_task2.php
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* 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 BRANICE NAFULA
* @student ENE212-0088/2023
* @lab Lab 3 of 14
* @unit ICS 2371
* @date [Date completed]
* @date 7TH APRIL 2026
*/

// ── Test Data Set A (change values to run other test sets) ─────────────────
$name = "Your Name";
$name = "BRANICE NAFULA";
$cat1 = 8; // out of 10
$cat2 = 7; // out of 10
$cat3 = 9; // out of 10
Expand Down Expand Up @@ -64,3 +64,63 @@
// 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
//input data Set B
$cat1 = 8;
$cat2 = 7;
$cat3 = 9;
$cat4 = 6;
$exam = 45;
// Calculating total score
$total = $cat1 + $cat2 + $cat3 + $cat4 + $exam;
// determining eligibility
$attendance_count = 0;
$scores = [$cat1, $cat2, $cat3, $cat4];
foreach ($scores as $score) {
if ($score > 0) {
$attendance_count++;
}
}
if ($attendance_count >= 3) {
if ($exam >= 20) {
$status = "Qualified";
} else {
$status = "Disqualified - Exam condition not met";
}
} else {
$status = "Disqualified - Exam conditions not met";
}
//Determining the grade
if ($total >= 70) {
$grade = "A";
$description = "Distinction";
} elseif ($total >= 65) {
$grade = "B+";
$description = "Credit Upper";
} elseif ($total >= 60) {
$grade = "B";
$description = "Credit Lower";
} elseif ($total >= 55) {
$grade = "C+";
$description = "Pass Upper";
} elseif ($total >= 50) {
$grade = "C";
$description = "Pass Lower";
} else if ($total >= 40) {
$grade = "D";
$description = "Marginal Pass";
} else {
$grade = "E";
$description = "Fail";
}
//Supplimentary Rule
$supp_status = ($grade === "D")
? "Eligible for supplimentary Exam"
: "Not eligible for supplimentary Exams";
//Displaying Results
echo "<h2>Students Results</h2>";
echo "Total Marks: $total / 100<br>";
echo "Eligibility: $status<br>";
echo "Grade: $grade ($description)<br>";
echo "Supplimentary Status: $supp_status<br>";
?>
74 changes: 71 additions & 3 deletions starter/lab3_task3.php
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* 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 BRANICE NAFULA
* @student ENE212-0088/2023
* @lab Lab 3 of 14
* @unit ICS 2371
* @date [Date completed]
* @date 7TH APRIL 2026
*/

// ══════════════════════════════════════════════════════════════
Expand Down Expand Up @@ -59,3 +59,71 @@
// 1. What is the key difference between switch (==) and match (===)?
// 2. Give one example where this difference changes the output.
// 3. When would you prefer switch over match, and why?
<?php
echo "<h3>Exercise A - Day of week classifier</h3>";
$day = 1;
switch ($day) {
case 1:
echo "Monday - Lecture day";
break;
case 2:
echo "Tuesday - Lecture day";
break;
case 3:
echo "Wednesday - Lecture day";
break;
case 4:
echo "Thursday - lecture day";
break;
case 5:
echo "Friday - Lecture day";
break;
case 6:
case 7:
echo "Weekend";
break;
default:
echo "Invalid day number";
break;
}
echo "<h3>HTTP status code explainer</h3>";
$status_code = 404;
switch ($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: Unauthorised";
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 "<h3>Exercise C - PHP 8 match</h3>";
$status_code = 404;
$explanation = match ($status_code) {
200 => "OK",
301 => "Moved Permanently",
400 => "Bad Request",
403 => "Forbidden",
404 => "Not Found",
500 => "Internal Server Error",
default => "Unknown Status Code",
};
echo "status $status_code: $explanation";
?>
36 changes: 33 additions & 3 deletions starter/lab3_task4.php
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* 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 BRANICE NAFULA
* @student ENE212-0088/2023
* @lab Lab 3 of 14
* @unit ICS 2371
* @date [Date completed]
* @date 7TH APRIL 2026
*/

// ── Problem: Student Loan Eligibility System ───────────────────────────────
Expand Down Expand Up @@ -57,3 +57,33 @@
// 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
<?php
echo "<h2>HELB Loan Eligibility Checker</h2>";
$enrolled = true;
$gpa = 3.1;
$annual_income = 180000;
$previous_loan = false;
if (!$enrolled) {
$result = "Not eligible - must be an active student";
} else {
if ($gpa < 2.0) {
$result = "Not eligible - GPA below minimum";
} else {
if ($annual_income < 100000) {
$loan_amount = "Full Loan";
} elseif ($annual_income < 250000) {
$loan_amount = "Partial 75%";
} elseif ($annual_income < 500000) {
$loan_amount = "Partial 50%";
} else {
$loan_amount = null;
}
if ($loan_amount) {
$app_type = ($previous_loan) ?
"Renewal application" : "New application";
$result = "$loan_amount | $app_type";
}
}
}
echo "status: <strong>$result</strong>";
?>