Parsing Tapping

public function open_dir()
    {
        $dir  = FCPATH . '/tap';
        $tamp = array();
        // Open a directory, and read its contents
        if (is_dir($dir)) {
            if ($dh = opendir($dir)) {
                while (($file = readdir($dh)) !== false) {
                    if (substr($file, -3) == "bin") {
                        array_push($tamp, $file);
                    }
                }
                closedir($dh);
            }
        }

        return $tamp;
    }

    public function open($title)
    {
        // print_r($data);
        $file = file('tap/' . $title);
        $tamp = array();
        foreach ($file as $line) {
            if (strpos($line, ":")) {
                $charSet = preg_replace(array('/\s{2,}/', '/[\t\n]/'), ' ', $line);
                $charSet = trim(strtolower($charSet));
                $r_data  = str_replace(' ', '', $charSet);
                $row     = explode(":", $r_data);
                $key     = array($row[0]);
                $val     = array(str_replace(',', '', $row[1]));
                $x_tamp  = array_combine($key, $val);
                array_push($tamp, $x_tamp);
            }
        }

        return $tamp;
    }
    public function read_data()
    {
        $dir = $this->open_dir();
        echo "<pre>";
        for ($i = 0; $i < count($dir); $i++) {
            $data_file = $this->open($dir[$i]);
            // echo "nama File =================================== > " . $dir[$i] . '<br>';
            foreach ($data_file as $txt) {
                // $npwpd   = $txt['npwpd'];
                // echo $npwpd;
                // $noorder = $txt['noorder']; // Misalnya
                // $checkNo = $this->db->get_where('tax_transaksi', array('transaksi_noorder' => $noorder))->row();
                // if (count($checkNo) == 0) {
                //     $checkWP = $this->db->get_where('tax_wajibpajak', array('wp_npwpd' => $npwpd))->row();
                //     // Disini saja nanti kroscek no_order mas
                //     $data_r = array(
                //         'wp_id'              => $checkWP->wp_id,
                //         'transaksi_file'     => $file,
                //         'transaksi_noorder'  => strtoupper($noorder),
                //         'transaksi_tgl'      => date('Y-m-d', strtotime($txt['tanggal'])),
                //         'transaksi_subtotal' => intval($txt['subtotal']),
                //         'transaksi_diskon'   => intval($txt['diskon']),
                //         'transaksi_pajak'    => intval($txt['pajakdaerah']),
                //         'transaksi_total'    => intval($txt['total']),
                //         'transaksi_update'   => date('Y-m-d H:i:s'),
                //     );

                //     $this->db->insert('tax_transaksi', $data_r);
                // }

                foreach ($txt as $label => $val) {
                    echo $label . ' : ' . $val . '<br>';
                }
            }
        }
    }