function indianCurrencyFormat($num){  $pos = strpos((string)$num, ".");  if ($pos === false) {  $decimalpart="00";  }  if (!($pos === false)) {  $decimalpart= substr($num, $pos+1, 2); $num = substr($num,0,$pos);  }   if(strlen($num)>3 & strlen($num) <= 12){  $last3digits = substr($num, -3 );  $numexceptlastdigits = substr($num, 0, -3 );  $formatted = makeComma($numexceptlastdigits);  $stringtoreturn = $formatted.",".$last3digits.".".$decimalpart ;  }elseif(strlen($num)<=3){  $stringtoreturn = $num.".".$decimalpart ;  }elseif(strlen($num)>12){  $stringtoreturn = number_format($num, 2);  }   if(substr($stringtoreturn,0,2)=="-,"){  $stringtoreturn = "-".substr($stringtoreturn,2 );  }   return $stringtoreturn;  }   function makeComma($input){  // This function is written by some anonymous person - I got it from Google  if(strlen($input)<=2)  { return $input; }  $length=substr($input,0,strlen($input)-2)...