Number to Indian Numbering system.

numbertoins.php

function IndianMoneyFormat($number, $decimal = 2) {
    $explrestunits = "" ;
    $decimal_text   = "" ;
    $number = explode('.', $number);
    $num = $number[0];
    if(strlen($num)>3){
        $lastthree = substr($num, strlen($num)-3, strlen($num));
        $restunits = substr($num, 0, strlen($num)-3); // extracts the last three digits
        $restunits = (strlen($restunits)%2 == 1)?"0".$restunits:$restunits; // explodes the remaining digits in 2's formats, adds a zero in the beginning to maintain the 2's grouping.
        $expunit = str_split($restunits, 2);
        for($i=0; $i<sizeof($expunit); $i++){
            // creates each of the 2's group and adds a comma to the end
            if($i==0) {
                $explrestunits .= (int)$expunit[$i].","; // if is first value , convert into integer
            }else{
                $explrestunits .= $expunit[$i].",";
            }
        }
        $thecash = $explrestunits.$lastthree;
    } else {
        $thecash = $num;
    }
    if($num == ""){
        $thecash = 0;
    }
    for($i=0; $i<$decimal; $i++){
        $decimal_text .= "0";
    }
    if(!empty($number[1])) {
        if(strlen($number[1]) >= $decimal){
            $new_text = round("0.".$number[1], $decimal);
            $explode_text = explode(".", $new_text);
            if(!isset($explode_text[1])){
                $decimal_text = substr($decimal_text, 0, $decimal);
            }else{
                $decimal_text = (strlen($explode_text[1]) >1 ? $explode_text[1] : $explode_text[1]."0");
            }
        }elseif (strlen($number[1]) < $decimal) {
            $decimal_text = $number[1].substr($decimal_text, 0, ($decimal_text-strlen($number[1])));
        }
        return $thecash.'.'.$decimal_text;
    } else {
        return $thecash.'.'.$decimal_text;
    }
}

rounding of adjusted for decimal number.