static function forProfile(Profile $profile)
{
$tags = array();
$keypart = sprintf('tagsub:by_profile:%d', $profile->id);
$tagstring = self::cacheGet($keypart);
if ($tagstring !== false) {
// cache hit
if (!empty($tagstring)) {
$tags = explode(',', $tagstring);
}
} else {
$tagsub = new TagSub();
$tagsub->profile_id = $profile->id;
$tagsub->selectAdd();
$tagsub->selectAdd('tag');
if ($tagsub->find()) {
$tags = $tagsub->fetchAll('tag');
}
self::cacheSet($keypart, implode(',', $tags));
}
return $tags;
}
