header("Content-Type: application/json; charset=UTF-8");

$stmt = $mysqli->prepare($sql);
$stmt->execute();
$result = $stmt->get_result();
$response = $result->fetch_all(MYSQLI_ASSOC);

echo json_encode($response);

/*$fp = fopen('datakomp.json', 'w');
fwrite($fp, json_encode($response));
fclose($fp);*/

fetch('http://localhost:100/myreactappversi2/myapp2/public/data/tes2.php', {
        method: 'GET',
        headers:{
            'Content-Type': ['application/json','charset=UTF-8'],
        },
        mode: "no-cors",
        cache: "no-cache",
        credentials: "include"
    })
    .then(response => response.json())
    .then(rowData => this.setState({rowData}))
    .catch(error =>  alert("Error : " + error))