while ($empty_row = db_fetch_assoc($empty_result)) {
$history = Form::getDataHistoryLog($empty_row['record'], $empty_row['event_id'], $empty_row['field_name']);
$all_fields_hidden = $my_branching_logic->allFieldsHidden($empty_row['record'], $empty_row['event_id'], array($empty_row['field_name']));
if ($debug) {
/**
* pick apart the hidden field logic - something's not right with fib_lbtest logic. ?'null'?
*/
$fieldsDependent = getDependentFields(array($empty_row['field_name']), false, true);
$unique_event_name = $project->getUniqueEventNames($empty_row['event_id']);
$record_data = Records::getSingleRecordData($empty_row['record'], array_merge($fieldsDependent, array($empty_row['field_name'])));
$logic = $project->metadata[$empty_row['field_name']]['branching_logic'];
if ($longitudinal) {
$logic = LogicTester::logicPrependEventName($logic, $unique_event_name);
}
if (LogicTester::isValid($logic)) {
$displayField = LogicTester::apply($logic, $record_data);
$displayField = $displayField ? false : true;
}
show_var($fieldsDependent, 'DEP FIELDS');
show_var($unique_event_name, 'unique event name');
show_var($record_data, 'record data');
show_var($logic, 'logic');
show_var($displayField, 'all hidden?');
}
/**
* if all values are hidden for this field, delete the row.
*/
if ($all_fields_hidden) {
$rows_deleted++;
$delete_query = "DELETE FROM redcap_data WHERE record = '{$empty_row['record']}' AND project_id = '$project_id' AND event_id = '{$empty_row['event_id']}' AND field_name = '{$empty_row['field_name']}' AND value = '" . prep($empty_row['value']) . "'";
if (!$debug) {
