prepare("UPDATE Users SET Users_password = :pass WHERE Users_username = :username"); $stmt->bindParam(":pass", $pass); $stmt->bindParam(":username", $_SESSION["username"]); if ($stmt->execute()) { echo json_encode(array("message" => "ok")); } else { echo json_encode(array("message" => "Error updating password")); } } else { echo json_encode(array("message" => "Not logged in")); }