'; // PHP script // Check if post variable 'done' has a value if (isset($_POST['done'])) { // if yes, print table with values $widgets = $_POST['widgets']; $gadgets = $_POST['gadgets']; $wotsits = $_POST['wotsits']; $dongles = $_POST['dongles']; $cost_widgets = $widgets * 13.75; $cost_gadgets = $gadgets * 15.99; $cost_wotsits = $wotsits * 1.35; $cost_dongles = $dongles * 249.99; $grand_total = $cost_widgets + $cost_gadgets + $cost_wotsits + $cost_dongles; $tot_widgets = number_format($cost_widgets, 2); $tot_gadgets = number_format($cost_gadgets, 2); $tot_wotsits = number_format($cost_wotsits, 2); $tot_dongles = number_format($cost_dongles, 2); $grand_total = number_format($grand_total, 2); print '
Item Price Quantity Total
Widgets 13.75 ' . $widgets . ' ' . $tot_widgets . '
Gadgets 15.99 ' . $gadgets . ' ' . $tot_gadgets . '
Wotsits 1.35 ' . $wotsits . ' ' . $tot_wotsits . '
Dongles 249.99 ' . $dongles . ' ' . $tot_dongles . '
Grand Total    ' . $grand_total . '
'; } else // if not, display the form { print '
Item Price Quantity Total
Widgets 13.75 0
Gadgets 15.99 0
Wotsits 1.35 0
Dongles 249.99 0
Grand Total    0

'; } // Print HTML footer print ' '; ?>