// finally assign this chart data to template.
$this->assign('hasYearlyChart', $yearlyChart);
$this->assign('hasByMonthChart', $monthlyChart);
- $this->assign('hasChart', empty($chartData) ? FALSE : TRUE);
+ $this->assign('hasChart', !empty($chartData));
$this->assign('chartData', json_encode($chartData ?? []));
}