Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

PHP Building Websites with PHP Slim Basics & Twig Templates Including & Running Slim

Class slim/slim not found

I am following the video but i cannot seem to run my script. I have the following

require 'vendor/autoload.php';
$app = new \Slim\Slim();

I get the following error

Fatal error: Class 'Slim\Slim' not found in .....

1 Answer

Hi there Ammar Khan!

Try this

$app = new \Slim\App();


$app = new App();

In second case, add above second variant this line of code:

use \Slim\App;

It's also depends on which version do you use. If both variants wont fit, write here Slim version that you use.