gistfile1.php

<?php

$untaint = new Untainter();

class MyImageUntainter {
    function validate($data){
       return check_for_valid_image_data($data);
    }
}

$id   = $untaint::check('id', $_GET['id'], $untaint::UINT);
$time = $untaint::check('time', $_POST['date'], $untaint::DATETIME);
$images[] = $untaint::check_array('images', $_FILES['images[]'], new MyImageUntainter());

if ($untaint::errors()){
	foreach ($untaint::errors() as $error) {
		print "Field " . $error->field . " did not validate";
		print "  Value: " . $error->value;
	}
}

?>