";
$topic = filter_input(INPUT_GET, 'topic', FILTER_SANITIZE_STRING, FILTER_NULL_ON_FAILURE);
$section = filter_input(INPUT_GET, 'section', FILTER_SANITIZE_STRING, FILTER_NULL_ON_FAILURE);
if ($topic) {
$helps = $db->get_Help($topic);
if (is_array($helps) && count($helps) && isset($helps['section'])) {
$helps = [0 => $helps];
}
foreach ($helps as $key => $help) {
print "";
if (preg_match('/^[A-D]$/', $help['section'])) {
print "Appendix ";
}
print "{$help['section']} - {$help['title']}
";
print "