gistfile1.txt

<?
$m = new Mongo();
$h = $m->user->users;

$artist = "Linkin Park";

// lastfm_band_0, lastfm_band_1 or lastfm_band_2 may contain $artist
// I need to get the number of documents where this is the case
$x = $h->find(array("lastfm_band_0" => $artist,
	'$or' => array(
		array("lastfm_band_1" => $artist),
		array("lastfm_band_2" => $artist)
	))
)->count();
echo var_dump($x);
?>