Converts numbers into nepali

convert.php

<?php 
function convert($num){
  $arr = array(०,१,२,३,४,५,६,७,८,९);
  $newArr = array();
  $sep = str_split($num); //implicit string conversion
  foreach($sep as $key=>$value){
    $newArr[$key] = $arr[$value];
  }
  return implode('',$newArr);

}

echo convert(120);
?>