<form action="<?phpecho$_SERVER['PHP_SELF'];?>" method="post"><?php$dbc=mysqli_connect('localhost','student','student','northwind')ordie('Error connecting to MySQL server.');// Show the selected Product rows in a tableif(isset($_POST['submit'])&&isset($_POST['checked_values'])){echo"<table border='1px solid;'><tr><th>Product Name</th><th>Unit Price</th></tr>";foreach($_POST['checked_values']as$checked_id){$query="SELECT ProductName, UnitPrice FROM Products WHERE ProductID = $checked_id";$result=mysqli_query($dbc,$query)ordie('Error querying database.');$row=mysqli_fetch_array($result);echo'<tr><td>'.$row['ProductName'].'</td><td>'.$row['UnitPrice'].'</td></tr>';}echo'</table>';}// Display Products with checkboxes for displaying$query="SELECT ProductID, ProductName, UnitPrice FROM Products";$result=mysqli_query($dbc,$query)ordie('Error querying database.');while($row=mysqli_fetch_array($result)){echo'<input type="checkbox" value="'.$row['ProductID'].'" name="checked_values[]" />';echo$row['ProductName'].' '.$row['UnitPrice'].'<br />';}mysqli_close($dbc);?> <input type="submit" name="submit" value="Display" /></form>