if (isset($_POST['receiver']) && isset($_POST['sender']) && isset($_POST['date'])&& isset($_POST['id'])  && isset($_POST['words']) ) {
	
    $receiver = $_POST['receiver'];
    $sender = $_POST['sender'];
    $date = $_POST['date'];
    $id= $_POST['id'];

 
    $resultInfo = $con->query("INSERT INTO message_info(receiver, sender, date, id) VALUES('$receiver', '$sender', '$date', '$id')");
 
    if ($resultInfo) {
        // successfully inserted into database
		foreach($_POST['words'] as $word){
			$resultWords = $con->query("INSERT INTO message_words(id, word) VALUES('$id', '$word')");
		}
        $response["success"] = 1;
        $response["message"] = "Message successfully created.";
         echo json_encode($response);
    }