<?php
$filterId = isset($_GET['filter']) ? intval($_GET['filter']) : null;
$filter = new Filter($filterId);
if (empty($filter->id)) {
Ajax::outputError('Invalid report');
}
$quiz = new Quiz($filter->quiz_id);
if (!$quiz->hasAccess()) {
Ajax::outputError('Invalid report');
}
$filter->delete();
Ajax::output($filterId);
<?php
Ajax::requireLoggedIn();
$id = isset($_GET['id']) ? $_GET['id'] : null;
$color = isset($_GET['color']) ? $_GET['color'] : Quiz::DEFAULT_CUSTOMIZE_BGCOLOR;
$quiz = new Quiz($id);
$match = '/^[a-f0-9]{6}$/i';
if (!preg_match($match, $color)) {
Ajax::outputError('Invalid color');
}
if (empty($quiz->id) || !$quiz->hasAccess()) {
Ajax::outputError('You don\'t have access to this quiz');
}
$quiz->customize_bgcolor = $color;
$quiz->save();