hello // $obj->we // $obj->your // $obj = json_decode($_POST['x']); // print_r($obj); // print_r($obj->your); // print($obj->your->first); // print_r($obj->mine); // http_response_code(400); // echo json_encode($_POST); // echo json_encode(array("error" => "No title given.")); require_once 'processes/config.php'; require_once 'processes/dbh.inc.php'; // $result = mysqli_num_rows(mysqli_query($connection, "select * from question where id = 3adsfasdf")); // var_dump($_POST); // echo "
"; $result = mysqli_real_escape_string($connection, trim($_POST["id"])); // $_POST["id"] devuelve null si no está definido // trim() devuelve "" si el input es null / "" / false // mysqli_real_escape_string() devuelve "" si no el input es null / "" / false // echo "This is result: $result
"; if($result === "") { // echo "Result is empty string"; } else { // echo "Result isn't empty string"; } ?>