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Use inside class versus outside class

Zoe Zoe
Zoe Zoe asked
Last Modified: 2015-07-27
Recently, I've had to put Use inside a class but I've always seen it put outside the class. What's the difference? When do I need to put it inside and when do I need to put it outside? If I put it outside, I get an error saying that I have an undefined method.

class MY_Controller extends CI_Controller
	use Auth;

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use Auth;
class MY_Controller extends CI_Controller

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