FastCGI_Purger::purge_amp_version() doesn't support purge_method=unlink_files

[stefanfisk]

It checks for $this->nginx_helper_admin which doesn't exist. It should use global $nginx_helper_admin;.

nginx-helper/admin/class-fastcgi-purger.php

Line 110 in a277274

if ( 'unlink_files' === $this->nginx_helper_admin->options['purge_method'] ) {