/**
* returns the highest weight.
*
* @param string $daoName full name of the DAO
* @param array $fieldValues field => value to be used in the WHERE
* @param string $weightField field which contains the weight value,
* defaults to 'weight'
* @return integer
*/
static function getMax($daoName, $fieldValues = null, $weightField = 'weight')
{
$selectField = "MAX(ROUND({$weightField})) AS max_weight";
$weightDAO =& CRM_Utils_Weight::query('SELECT', $daoName, $fieldValues, $selectField);
$weightDAO->fetch();
if ($weightDAO->max_weight) {
return $weightDAO->max_weight;
}
return 0;
}
