Site methods can be seen as global methods, attached to the $site object.
Place this code in a plugin:
site::$methods['test'] = function($site, $arg1 = '', $arg2 = '') {
return $site->homePage() . ' ' . $arg1 . ' ' . $arg2;
};Add this into a template or a snippet:
<?php echo $site->test('testing', 12345); ?>Source
https://forum.getkirby.com/t/get-path-to-assets-images/1304/8