Number to Bangla

<?php

function num2bangla($number)
{
    if (($number < 0) || ($number > 999999999))
    {
        return "নাম্বারটি অতিরিক্ত বড়";
    } elseif (!is_numeric($number))
    {
        return "বৈধ নাম্বার নয়";
    }
    $Kt = floor($number / 10000000); /* Koti */
    $number -= $Kt * 10000000;
    $Gn = floor($number / 100000);  /* lakh  */
    $number -= $Gn * 100000;
    $kn = floor($number / 1000);     /* Thousands (kilo) */
    $number -= $kn * 1000;
    $Hn = floor($number / 100);      /* Hundreds (hecto) */
    $number -= $Hn * 100;
    $Dn = floor($number / 10);       /* Tens (deca) */
    $n = $number % 10;               /* Ones */
    $res = "";
    if ($Kt)
    {
        $res .= num2bangla($Kt) . " কোটি ";
    }
    if ($Gn)
    {
        $res .= num2bangla($Gn) . " লাখ";
    }
    if ($kn)
    {
        $res .= (empty($res) ? "" : " ") .
            num2bangla($kn) . " হাজার";
    }
    if ($Hn)
    {
        $res .= (empty($res) ? "" : " ") .
            num2bangla($Hn) . " শত";
    }
    $hund = ["", "এক", "দুই", "তিন", "চার", "পাঁচ", "ছয়", "সাত", "আট", "নয়", "দশ",
        "এগার", "বার", "তের", "চৌদ্দ", "পনের", "ষোল", "সতের", "আঠার", "ঊনিশ", "বিশ",
        "একোশ", "বাইশ", "তেইশ", "চব্বিশ", "পঁচিশ", "ছাব্বিশ", "সাতাশ", "আঠাশ", "ঊনত্রিশ", "ত্রিশ",
        "একত্রিশ", "বত্রিশ", "তেত্রিশ", "চৌত্রিশ", "পয়ত্রিশ", "ছত্রিশ", "সতত্রিশ", "আটত্রিশ", "ঊনচল্লিশ", "চল্লিশ",
        "একচল্লিশ", "বেয়াল্লিশ", "তেতাল্লিশ", "চোয়াল্লিশ", "পঁয়তাল্লিশ", "ছেচল্লিশ", "সতচল্লিশ", "আটচল্লিশ", "ঊনপঞ্চাশ", "পঞ্চাশ",
        "একান্ন", "বাহান্ন", "তেপান্ন", "চোয়ান্ন", "পঁঞ্চান্ন", "ছাপ্পান্ন", "সাতান্ন", "আটান্ন", "ঊনষাট", "ষাট",
        "একষট্টি", "বাষট্টি", "তেষট্টি", "চৌষট্টি", "পঁয়ষট্টি", "ছেষট্টি", "সতাষট্টি", "আটষট্টি", "ঊনসত্তর", "সত্তর",
        "একাত্তর", "বাহাত্তর", "তেহাত্তর", "চোয়াত্তর", "পঁচাত্তর", "ছিয়াত্তর", "সাতাত্তর", "আটাত্তর", "ঊনআশি", "আশি",
        "একাশি", "বিরাশি", "তিরাশি", "চোরাশি", "পঁচাশি", "ছিয়াশি", "সাতাশি", "অটাশি", "ঊননব্বই", "নব্বই",
        "একানব্বই", "বিরানব্বই", "তিরানব্বই", "চুরানব্বই", "পঁচানব্বই", "ছিয়ানব্বই", "সাতানব্বই", "আটানব্বই", "নিরানব্বই", "একশ"];
    if ($Dn || $n)
    {
        if (!empty($res))
        {
            $res .= " ";
        }
        $res .= $hund[$Dn * 10 + $n];
    }
    if (empty($res))
    {
        $res = "শূন্য";
    }
    return $res;
}
$chequeNow = 25790;
echo $chequeNow ." = ". num2bangla($chequeNow);