Why does STATIC reset an error?

Question

<?php

//Configuration file of the background module

return [

// View output string content Replace

'view_replace_str' => [

//Reset _STATIC__ constant

'__STATIC__' => '/static/admin',

],

];

Is there something wrong with this code? The video also says so, but it reports an error after replacing it. If you add "." in front of it, no error is reported, but there is no style. It’s~~~

Answer 1

The same question

Answer 2

The one in front is normal~