Pass php variable via ajax (WordPress)


I am using ajax to upload some information to the page, the Ajax request uses a php file that has nothing to do with WordPress. Please tell me how I can make the functions located in the theme's function.php available for this file. Tried:

include('http://' . $_SERVER['SERVER_NAME'].'/wp-load.php');

Didn't help, tried


Or maybe it is possible to pass the result of the function execution via GET?


In your file, you need to connect the WordPress functionality, then the functions from functions.php will become available

require_once( $_SERVER['DOCUMENT_ROOT'] . '/wp-load.php' );
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