Undefined constant, but it is defined

[AntonZelenin]

Here is the code

define ('ROOT', __DIR__);

require ROOT.'/scripts/autoload.php';

and the file autoload.php

function __autoload($class_name)
{
    $array_paths = array(
        ROOT.'/classes/'
    );

//another code

}

And it says that ROOT is undefined. If I define ROOT in autoload.php - it says that constant is already defined. What am I doing wrong?)

[requinix]

Either the error message is pointing to a different line than the one you showed or __autoload is running before ROOT was defined.

 

But put that aside for a second and stop using __autoload.

[AntonZelenin]

Either the error message is pointing to a different line than the one you showed or __autoload is running before ROOT was defined.

 

But put that aside for a second and stop using __autoload.

 

Thanks for advice about __autoload()