/**
* Returns the first meta value from a given set of names. Useful when you have a mix of items that could provide a particular detail.
* @param array $names List of meta names.
* @return WSAL_DB_Meta The first meta item that exists.
*/
public function GetFirstNamedMeta($names)
{
$meta = new WSAL_DB_Meta();
$query = '(' . str_repeat('name = %s OR ', count($names)) . '0)';
$query = 'occurrence_id = %d AND ' . $query . ' ORDER BY name DESC LIMIT 1';
array_unshift($names, $this->id);
// prepend args with occurrence id
$meta->Load($query, $names);
return $meta->IsLoaded() ? $meta : null;
}
