$data["uid"] = "Invalid UID"; echo json_encode($data); } } else { if ($mode == 'getAllTopics') { if (isset($_GET['year']) && isset($_GET['class'])) { $year = $_GET['year']; $class = $_GET['class']; $arrayData = $database->getAllTopics($year, $class); if ($arrayData != false) { $data["success"] = 1; $data["error"] = 0; $data["error_message"] = "no error"; for ($i = 0; $i < count($arrayData); $i++) { $row = $arrayData[$i]; $name = $database->getUserName($row["created_by"]); if ($name != false) { $name = $name["name"]; $data["topics"][$row["topic_id"]]["created_date"] = $row["created_date"]; $data["topics"][$row["topic_id"]]["subject"] = $row["subject"]; $data["topics"][$row["topic_id"]]["created_by"] = $name; } } echo json_encode($data); } else { $data["success"] = 0; $data["error"] = 1; $data["error_message"] = "No topics found!"; echo json_encode($data); } } else {