Why do I need to explicitly instantiate an object?

Question

I am having a problem on my MVC framework. Here is my loadModel() method inside the main controller:

public function loadModel($name) { $path = 'models/' . $name . '_Model.php'; if (file_exists($path)) { require $path; $modelName = $name . '_Model'; $this->model = new $modelName; } }

As you can see, when i try to load a controller, it automatically loads a model with the same name + _model.php.

I do not have any problem, when I use wamp or xampp, but, when I uploaded it in my website, it says "Undefined property" on every model. That means the model is not loaded. I know the problem is in there...

Is that some kind of an error in php.ini file of the server? Or maybe it because of different PHP versions?

Have you turned on full error reporting on your local server ? — tereško
– tereško, Commented Jul 19, 2012 at 14:18

Dan Smith · Accepted Answer · 2012-07-19 13:08:41Z

Windows is not case sensitive, i.e. Model.php and model.php are the same as far as windows is concerned. ON unix/linux however (which I'm assuming your website server is) the file system IS case sensitive.

Basically, check your files names - if you're trying to load $name_Model.php but the file is $name_model.php it's going to fail when you upload it.

I think you are right!! i am loading it like for example login_Model, whose class is Login_Model now I Know!!! thank you, gotta test it now!!!!

Sherlock · Accepted Answer · 2012-07-19 13:09:01Z

1

You might wanna consider using autoloading, that fixes all your problems:

answered Jul 19, 2012 at 13:09

Sherlock

7,6356 gold badges42 silver badges83 bronze badges

Comments

jpic · Accepted Answer · 2012-07-19 13:09:31Z

Don't rely on relative paths, they depend on the current directory.

Make an absolute path like (adapt to your needs):

$path = __DIR__ . '/models/' . $name . '_Model.php';

If you get something like that to work locally, it should work on the server too.

BTW, i don't understand why _Model suffix. Wouldn't models/Car.php be sufficient ?

Collectives™ on Stack Overflow

Why do I need to explicitly instantiate an object?

3 Answers 3

1 Comment

Comments

Comments

Linked

Hot Network Questions

Collectives™ on Stack Overflow

3 Answers 3

1 Comment

Comments

Comments

Linked

Related