}
if ($min_price != null) {
$json .= '"minPrice" : ' . $min_price . ',';
}
if ($max_price != null) {
$json .= '"maxPrice" : ' . $max_price . ',';
}
//order by
$order_by_options = array('Year Low to High', 'Year High to Low', 'Price Low to High', 'Price High to Low');
if ($order_by < 0 | $order_by > 3) {
$order_by = 0;
}
$json .= '"orderBy" : "' . $order_by_options[$order_by] . '"';
$json .= '},';
//paging
$row_count = $m->get_car_count($min_year, $max_year, $min_price, $max_price);
if ($rows_per_page > 0) {
$page_count = ceil($row_count / $rows_per_page);
} else {
$page_count = 1;
}
$json .= '"paging" : {
"rowCount" : ' . $row_count . ',
"rowsPerPage" : ' . $rows_per_page . ',
"pageNumber" : ' . $page_number . ',
"pageCount" : ' . $page_count . '
},';
$json .= '"cars" : [';
//get cars
$first = true;
$cars = $m->get_cars($min_year, $max_year, $min_price, $max_price, $order_by, $page_number, $rows_per_page);
