PDO

$sql = "select * from tbl_data e where e.id=:id";

try {
    $dbh = new PDO("mysql:host=$dbhost;dbname=$dbname", $dbuser, $dbpass);
    $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    $stmt = $dbh->prepare($sql);
    $stmt->bindParam("id", $_GET[id]);
    $stmt->execute();
    $DataKeluar = $stmt->fetchObject();
    $dbh = null;
    $item->desk = html_entity_decode($item->desk, ENT_QUOTES);
    echo '{"item":'. json_encode($DataKeluar) .'}';
} catch(PDOException $e) {
    echo '{"error":{"text":'. $e->getMessage() .'}}';
}