<?php 
/* CREATE TABLE entries (
  id int not null auto_increment,
  title varchar(128),
  topic varhcar(128),
  body text,
  primary key(id)
); */

function entries_between($begin, $end) {
    mysql_query("SELECT * from entries");
    while ($array = mysql_fetch_assoc()) {
        if ($array['id'] < $begin || 
            $array['id'] > $end) {
            continue;
        }
        $retval[] = $array;
    }

    return $retval;
}

?>