This is from the PHPLib manual:
...
$q = new DB_Article;
$query = sprintf("select * from articles where article like '%%%s%%'",
$searchword);
$q->query($query);
while($q->next_record()) {
printf("<tr><td>%s</td><td>%s</td></tr>\n",
$q->f("art_id"),
$q->f("article"));
}
...