prepare($sql);
$stmh->execute();
$rows = $stmh->fetchAll(PDO::FETCH_ASSOC);
// var_dump($rows);
$chartData = [];
foreach ($rows as $row) {
$date = date("Y-m-d", strtotime($row['outdate'] ?? ''));
$area1 = intval(trim($row['screen_m2'] ?? 0)); // 빈값 대비
// 존재하지 않으면 0으로 초기화
if (!isset($chartData[$date])) {
$chartData[$date] = 0;
}
$chartData[$date] += $area1;
}
$jsonChartData_screen = json_encode($chartData);
} catch (PDOException $Exception) {
print "오류: " . $Exception->getMessage();
}
// var_dump($jsonChartData_screen);
?>