function razdel_chislo($str,$text=' ',$num=3){$str_out=''; $count=ceil(strlen($str)/$num); $count2=$count-1; $num_sm=$num-strlen(substr($str,($count2*$num),$num)); for($i=$count2;$i>=0;$i--)$str_out=(($i!=0)?$text:'').substr($str,(($i!=0)?($i*$num-$num_sm):0),(($i!=0)?$num:($count-$num_sm))).$str_out; return $str_out;}