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'] ?? '')); // Ensure the value is numeric
$area2 = intval(trim($row['slat_m2'] ?? '')); // Ensure the value is numeric
// 해당 날짜 키가 없으면 0으로 초기화
if (!isset($chartData[$date])) {
$chartData[$date] = 0;
}
$chartData[$date] += $area1 + $area2;
}
$jsonChartData = json_encode($chartData);
} catch (PDOException $Exception) {
print "오류: " . $Exception->getMessage();
}
// var_dump($jsonChartData);
?>