<?php
if (!function_exists('nomor')) {
    function nomor($currentPage, $perPage)
    {
        if (is_null($currentPage)) {
            $nomor = 1;
        } else {
            $nomor = 1 + ($perPage * ($currentPage - 1));
        }
        return $nomor;
    }
}

function remove_url_param($url, $remove) {
    parse_str(parse_url($url)['query'], $url_param);
    unset($url_param[$remove]);

    return current_url()."?".http_build_query($url_param);
}