foreach (self::$optionValueFields as $name => $field) {
if (!isset($values[$name])) {
$values[$name] = $field['default'];
- if (isset($field['metric']) && $field['metric']) {
+ if (!empty($field['metric'])) {
$values[$name] = CRM_Utils_PDF_Utils::convertMetric($field['default'],
self::$optionValueFields['metric']['default'],
$values['metric'], 3