jokemodel.php

<?php

namspace Models;

class Jokes
{

	public $question;

	public $punchline;

	public function __construct($question, $punchline, $created_by) {
		$this->question = $question;
		$this->$punchline= $$punchline;
		$this->created_by = $created_by;
	}

}

?>

jokeservice.php

<?php


namspace serviceLayer;


use Models\Joke as JokeModel;
use Db

class JokeService {


	public static function create(\MVC\Joke $joke) {

		$session = Db::prepare('INSERT INTO jokes (question, punchline, created_by) VALUES (?, ?, ?)');
        $session->bind_param('sss', $joke->question, $joke->punchline, $joke->created_by);
        $session->execute();
        $session->close();
	}



}

?>