Lab_two submission

02/index.php

@@ -1,79 +1,60 @@
-<?php 
-//make PHP strict, needs to be at the start of your script 
-declare(strict_types=1); 
-require_once "connect.php";
+<?php declare(strict_types=1);
 
-//.1 Code Commenting
+//1. Set Up & Start 
 
-// inline comment 
-
-/* 
-
-multi-line comment 
-
-*/
-
-//2. Variables, Data Types, Concatenation & Conditional Statements
 
-$firstName = "Jessica"; //string
-$lastName = "Gilfillan"; //string 
-$age = 40; //int 
-$isInstructor = true; //boolean
+//2. Code Commenting
 
-echo "<p> Hello there, my name is ". $firstName . " ". $lastName ."</p>";
-
-if($isInstructor) {
-    echo "<p> I am your teacher. </p>"; 
-}
-else {
-    echo "<p> Whoops, teach didn't show! </p>"; 
-}
-
-//3. PHP is loosely typed 
-//create two variables, one called num1 and one called num2, in num1 store an integer and in num2 store a number but treat as string "10"
-
-$num1 = 10; //integer
-$num2 = "10"; //string 
-
-//add type hints to make PHP less loosey goosey 
-/*function add(int $num1, int $num2) : int {
-    return $num1 + $num2; 
+// inline comment 
+//3. Variables, Data Types, Concatenation, Conditional Statements & Echo
+
+$firstName = "Keifer"; // string
+$lastname = "Grainger"; // string
+$age = 22; // integer
+$isStudent = true; // boolean
+
+echo "<p> Hello, my name is " . $firstName . " " . $lastname . "</p>";
+if ($isStudent) {
+    echo "<p> I am a student </p>";
+} else {
+    echo "<p>I am not a student.</p>";
 }
+//4. Loosely Typed Language Demo
 
-echo "<p>" . add($num1,$num2) . "</p>"; 
-
-*/
+$num1 = 1;
+$num2 = 10;
 
-// OOP with PHP {
-
-class Person {
-    public string $name;
-    public int $age; 
-    public bool $isInstructor; 
-
-    public function __construct(string $name, int $age, bool $isInstructor) {
-        $this->name = $name; 
-        $this->age = $age; 
-        $this->isInstructor = $isInstructor;
-    }
-
-    public function getBadge(): string {
-        $role = $this->isInstructor ? "Instructor" : "Student"; 
-        return "Name : {$this->name} | Age: {$this->age} | Role : $role";
-    }
+function add(int $num1,int $num2) : int {
+    return $num1 + $num2;
 }
 
-//create an instance of the object 
+echo "<p>" . add($num1, $num2) . "</p>"; 
 
-$person = new Person("Jessica", 40, true); 
-
-echo $person->getBadge(); 
 
+echo "<p> Hello there, my name is " . $firstname . " " . $lastName . "</p>";
 
 
+if ($is_student === true) {
+    echo "<p> I am your teacher! </p>";
+} else {
+    echo "<p> Uh oh, teach didn't show! </p>";
+}
 
+//3. PHP is loosely typed 
 
+$num1 = 5;
+$num2 = "10";
 
+echo "<p>" . add($num1, $num2) . "</p>";
 
+//4. Strict Types & Types Hints
+/* Add declare(strict_types=1) and type hints 
+//strict types tell PHP not to automatically convert values when calling functions. Type hints tell PHP what to expect */
 
+/*function add(int $num1, int $num2): int {
+    return $num1 + $num2;
+}
+echo add($num1, $num2);
+*/
 
+//6. OOP with PHP

03/02_fix_this_code/index.php

@@ -21,4 +21,4 @@
 
 catch (PDOException $e {
     echo "Database error: " . $e
-}
+}

assignments/labs/lab_four/includes/connect.php

@@ -0,0 +1,7 @@
+<?php
+$DBH = new PDO(
+    "mysql:host=localhost;dbname=YOUR_DB_NAME;charset=utf8mb4",
+    "YOUR_DB_USER",
+    "YOUR_DB_PASS",
+    [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]
+);

assignments/labs/lab_four/process.php

@@ -1,17 +1,30 @@
 <?php
-require "includes/header.php";
-//  TODO: connect to the database 
+require "includes/connect.php";   // use the same connection file everywhere
 
-//   TODO: Grab form data (no validation or sanitization for this lab)
+// TODO: connect to the database
+// (connection is handled inside connect.php)
+
+// TODO: Grab form data (no validation or sanitization for this lab)
+$FIRST_NAME = $_POST["first_name"];
+$LAST_NAME  = $_POST["last_name"];
+$EMAIL      = $_POST["email"];
 
 /*
   1. Write an INSERT statement with named placeholders
   2. Prepare the statement
   3. Execute the statement with an array of values
-  4.
-
 */
 
+$STMT = $DBH->prepare("
+    INSERT INTO subscribers (first_name, last_name, email)
+    VALUES (:first_name, :last_name, :email)
+");
+
+$STMT->execute([
+    ":first_name" => $FIRST_NAME,
+    ":last_name"  => $LAST_NAME,
+    ":email"      => $EMAIL
+]);
 ?>
 <!DOCTYPE html>
 <html lang="en">
@@ -28,13 +41,14 @@
         <h2>Thank You for Subscribing</h2>
 
         <!-- TODO: Display a confirmation message -->
-        <!-- Example: "Thanks, Name! You have been added to our mailing list." -->
-
+        <p>
+            Thanks, <?= htmlspecialchars($FIRST_NAME) ?>!
+            You have been added to our mailing list.
+        </p>
 
         <p class="mt-3">
             <a href="subscribers.php">View Subscribers</a>
         </p>
     </main>
 </body>
-
-</html>
+</html>

assignments/labs/lab_four/subscribers.php

@@ -1,5 +1,4 @@
 <?php
-//TODO:
 require "includes/connect.php";
 
 /*
@@ -11,7 +10,14 @@
   5. Fetch all results into $subscribers
 */
 
-$subscribers = []; // placeholder
+$STMT = $DBH->prepare("
+    SELECT id, first_name, last_name, email, subscribed_at
+    FROM subscribers
+    ORDER BY subscribed_at DESC
+");
+
+$STMT->execute();
+$subscribers = $STMT->fetchAll();
 ?>
 
 <main class="container mt-4">
@@ -31,14 +37,20 @@
         </tr>
       </thead>
       <tbody>
-        <!-- TODO: Loop through $subscribers and output each row -->
+        <?php foreach ($subscribers as $S): ?>
+          <tr>
+            <td><?= htmlspecialchars($S["id"]) ?></td>
+            <td><?= htmlspecialchars($S["first_name"]) ?></td>
+            <td><?= htmlspecialchars($S["last_name"]) ?></td>
+            <td><?= htmlspecialchars($S["email"]) ?></td>
+            <td><?= htmlspecialchars($S["subscribed_at"]) ?></td>
+          </tr>
+        <?php endforeach; ?>
       </tbody>
     </table>
   <?php endif; ?>
 
   <p class="mt-3">
     <a href="index.php">Back to Subscribe Form</a>
   </p>
-</main>
-
-<?php require "includes/footer.php"; ?>
+</main>

assignments/labs/lab_one/car.php

@@ -0,0 +1,22 @@
+<?php 
+declare(strict_types=1);
+
+// Car class definition
+class Car {
+    // Properties
+    private string $make;
+    private string $model;
+    private int $year;
+
+    // Constructor
+    public function __construct(string $make, string $model, int $year) {
+        $this->make = $make;
+        $this->model = $model;
+        $this->year = $year;
+    }
+
+    // Method to get car details
+    public function getDetails(): string {
+        return $this->year . " " . $this->make . " " . $this->model;
+    }
+}

assignments/labs/lab_one/connect.php

@@ -0,0 +1,21 @@
+<?php
+// connect.php
+// Creates a PDO connection to the database
+
+// Database connection settings
+$host = "localhost";
+$dbname = "lab_one";       // must match your database name in XAMPP
+$user = "root";       // default XAMPP username
+$pass = "";     // default XAMPP password is empty
+
+try {
+    // Create new PDO connection
+    $db = new PDO("mysql:host=$host;port=3307;dbname=$dbname;charset=utf8", $user, $pass);
+    // Set error mode to exception for easier debugging
+    $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+    // echo "Connected successfully"; // optional for testing
+} catch (PDOException $e) {
+    // Display error message if connection fails
+    echo "Database connection failed: " . $e->getMessage();
+    exit;
+}

assignments/labs/lab_one/footer.php

@@ -1,3 +1,4 @@
+
 <?php
 // footer.php
 // Shared footer content. Included from index.php.

assignments/labs/lab_one/index.php

@@ -1,4 +1,31 @@
 <?php 
+declare(strict_types=1);
+
+// Include shared header HTML
 require "header.php"; 
+
+// Include Car class definition
+require "car.php";
+
+// Include database connection
+require "connect.php";
+
+// Create a Car object
+$car = new Car("Toyota", "Corolla", 2020);
+
+// Display car details
+echo "<p>Car: " . $car->getDetails() . "</p>";
+
+// Output instructions message
 echo "<p> Follow the instructions outlined in instructions.txt to complete this lab. Good luck & have fun!😀 </p>";
-require "footer.php"; 
+
+/*
+Reflection:
+I found creating the Car class and using require statements easy
+because it followed examples from class. The most challenging part
+was setting up the PDO database connection and making sure XAMPP
+was configured correctly.
+*/
+
+// Include shared footer HTML
+require "footer.php";