engineN/app/Controllers/Kewilayahan/Sebaran/KLU.php

<?php
namespace App\Controllers\Kewilayahan\Sebaran;

class KLU extends \App\Controllers\Kewilayahan\Kytp

{
    protected function data($request, $jenischart)
    {
        $opsiWilZona  = $request->getPost('opsiWilZona');
        $adm4_pcode   = $request->getPost('adm4_pcode') ?? [];
        $id_poly_zona = $request->getPost('id_poly_zona') ?? [];

        $db   = \Config\Database::connect();
        $npwp = $db->table('KPDL_MV_LOKASI_SUBJEK A')->select('NPWP, KD_GOLPOK, NM_GOLPOK, JUMLAH_PEMBAYARAN_THN_TERAKHIR')->distinct()
            ->where('NPWP IS NOT NULL');

        if ($jenischart == 'dataKluYgBayar') {
            $npwp = $npwp->where("JUMLAH_PEMBAYARAN_THN_TERAKHIR >", 0);
        }

        if ($opsiWilZona == 'wilayah') {
            $npwp = $npwp->whereIn('ADM4_PCODE', $adm4_pcode);
        }

        if ($opsiWilZona == 'zona') {
            $npwp = $npwp->whereIn('ID_POLY_ZONA', $id_poly_zona);
        }

        $agg = "count(1) as JML";
        if ($jenischart == 'dataRupiahBayar') {
            $agg = "SUM(JUMLAH_PEMBAYARAN_THN_TERAKHIR) as JML";
        }
        $data = $db->newQuery()
            ->fromSubquery($npwp, "A")
            ->select("KD_GOLPOK, NM_GOLPOK," . $agg)
            ->groupBy("KD_GOLPOK, NM_GOLPOK")->orderBy("JML", "desc")->limit(5);

        $data = $data->get()->getResult();

        $ret = [];

        foreach ($data as $b) {

            array_push($ret,
                [
                    'name' => $b->NM_GOLPOK,
                    'id'   => $b->KD_GOLPOK,
                    'y'    => floatval($b->JML),
                ]
            );
        }

        return $ret;
    }
}