fully populated listings by db

public/listing.php

@@ -14,20 +14,41 @@ function populateContent() {
     $password = 'student';
     $schema = 'ibuy';
     $pdo = new PDO('mysql:dbname=' . $schema . ';host=' . $server, $username, $password);
+    
     $stmt = $pdo->prepare('SELECT * FROM listings WHERE listing_id= :listing_id');
     $values = [
         'listing_id' => $_GET['listing_id']
     ];
-
     $stmt->execute($values);
     $listing = $stmt->fetch();
+    
+    $stmt = $pdo->prepare('SELECT * FROM categories WHERE category_id = :category_id');
+    $values = [
+        'category_id' => $listing['listing_category']
+    ];
+    $stmt->execute($values);
+    $category = $stmt->fetch();
+
+    $stmt = $pdo->prepare('SELECT MAX(amount) FROM bids WHERE listing_id = :listing_id');
+    $values = [
+        'listing_id' => $listing['listing_id']
+    ];
+    $stmt->execute($values);
+    $bid = $stmt->fetch();
+
+    $stmt = $pdo->prepare('SELECT * FROM users WHERE email = :email');
+    $values = [
+        'email' => $listing['listing_email']
+    ];
+    $stmt->execute($values);
+    $user = $stmt->fetch();
 
     $output = ' <img src="product.png" alt="product name">
     <section class="details">
         <h2>'. $listing['listing_name'] .'</h2>
-        <h3>'. $listing['listing_category'] .'</h3>
-        <p>Auction created by <a href="#">User.Name</a></p> 
-        <p class="price">Current bid: £123.45</p>
+        <h3>'. $category['category_name'] .'</h3>
+        <p>Auction created by <a href="#">'. $user['first_name'].$user['last_name'] .'</a></p> 
+        <p class="price">Current bid: '. $bid['MAX(amount)'] .'</p>
         <time>Time left:'. (strtotime($listing['listing_deadline']) - strtotime(date('Y-m-d H:i:s')))/60 .'</time>
         <form action="#" class="bid">
             <input type="text" name="bid" placeholder="Enter bid amount" />