Switched to mysqli

bank/index.php

@@ -42,36 +42,33 @@ if($_POST) {
     /**
      * Maak verbinding met de database
      */
-    $connection = mysql_connect('localhost', 'bank', 'pass')
+    $connection = new mysqli('localhost', 'bank', 'pass', 'bank')
         or die('Kan geen verbinding maken met MySQL');
 
-    $db = mysql_select_db('bank', $connection)
-      or die('Kan de database niet selecteren');
-
     /**
      * Zoek gebruiker in de database met de juiste gebruikersnaam en wachtwoord
      */
     $query = "SELECT * FROM gebruikers WHERE gebruikersnaam = '" . $_POST['gebruikersnaam'] . "' AND wachtwoord = '" . $_POST['wachtwoord'] . "'";
 
-    $result = mysql_query($query)
-      or die('<div class="alert alert-danger">Query error: <pre>' . mysql_error() . '</pre>Query: <code>' . $query . '</code> </div>');
+    $result = $connection->query($query)
+      or die('<div class="alert alert-danger">Query error: <pre>' . $connection->error . '</pre>Query: <code>' . $query . '</code> </div>');
 
     /**
      * Kijk of de query iets heeft teruggegeven. Anders geven we een error
      */
-    if(mysql_num_rows($result) == 0) {
+    if($result->num_rows == 0) {
        die('<div class="alert alert-danger">Inlog gegevens niet correct</div>');
     } else {
 
         /**
          * Gebruiker heeft correct ingelogd. Laat zijn balans zien
          */
-         $row = mysql_fetch_array($result);
+         $row = $result->fetch_array();
 
          echo "<div class=\"well\">Welkom terug " . $row['gebruikersnaam'] . "! ";
          echo "Uw balans is op dit moment: <b>" . $row['balans'] . " euro</b></div>";
     }
-    mysql_close($connection);
+    $connection->close();
 } else {
 
     /**

webshop/index.php

@@ -65,17 +65,13 @@
 /**
  * Maak verbinding met de database
  */
-$connection = mysql_connect('localhost', 'webshop', 'pass')
+$connection = new mysqli('localhost', 'webshop', 'pass', 'webshop')
     or die('Kan geen verbinding maken met MySQL');
 
-$db = mysql_select_db('webshop', $connection)
-  or die('Kan de database niet selecteren');
+$result = $connection->query("SELECT * FROM producten")
+  or die('Query error: ' . $connection->error);
 
-
-$result = mysql_query("SELECT * FROM producten")
-  or die('Query error: ' . mysql_error());
-
-while ($row = mysql_fetch_array($result)) {
+while ($row = $result->fetch_array()) {
 ?>
 
 			<li class="span3">
@@ -94,7 +90,7 @@ while ($row = mysql_fetch_array($result)) {
 <?php
 }
 
-mysql_close($connection);
+$connection->close();
 ?>
 		  </ul>
 	<hr class="soft"/>

webshop/product_detail.php

@@ -56,20 +56,17 @@
 /**
  * Maak verbinding met de database
  */
-$connection = mysql_connect('localhost', 'webshop', 'pass')
+$connection = new mysqli('localhost', 'webshop', 'pass', 'webshop')
     or die('Kan geen verbinding maken met MySQL');
 
-$db = mysql_select_db('webshop', $connection)
-  or die('Could not select database');
+$query = 'SELECT naam, afbeelding, beschrijving, prijs FROM producten WHERE id = ' . $connection->real_escape_string($_GET['id']);
 
-$query = 'SELECT naam, afbeelding, beschrijving, prijs FROM producten WHERE id = ' . mysql_real_escape_string($_GET['id']);
+$result = $connection->query($query)
+  or die('<div class="alert alert-danger">Query error: <pre>' . $connection->error . '</pre>Query: <code>' . $query . '</code> </div>');
 
-$result = mysql_query($query)
-  or die('<div class="alert alert-danger">Query error: <pre>' . mysql_error() . '</pre>Query: <code>' . $query . '</code> </div>');
+$row = $result->fetch_array();
 
-$row = mysql_fetch_array($result);
-
-mysql_close($connection);
+$connection->close();
 ?>
 
 <div class="row">