/**
* get data for an individual study based on
* the user's researcher_id and a supplied study_id
* creates $study smarty variable
*/
function smarty_function_study($params, &$smarty)
{
if (!Check::digits($params['study_id'])) {
$smarty->assign('study', array());
return;
}
$s = new Study();
$study = $s->study($_SESSION['user']['researcher_id'], $params['study_id']);
$p = new Enrollment();
$participants = $p->howmany(array(" where study_id=%u and active>0 ", $params['study_id']));
$smarty->assign('study', $study);
$smarty->assign('participants', $participants);
}
