public function get_budget_used($projectID, $activityID)
{
$timeSheet = $this->get_timeSheet(0, time(), null, null, array($projectID), array($activityID));
$budgetUsed = 0;
if (is_array($timeSheet)) {
foreach ($timeSheet as $timeSheetEntry) {
$budgetUsed += $timeSheetEntry['wage_decimal'];
}
}
return $budgetUsed;
}