(PECL varnish >= 0.9.2) Set the class compat configuration param

(PECL varnish >= 0.3) Start varnish worker process

(PECL varnish >= 0.3) VarnishAdmin constructor

(PECL varnish >= 0.8) Set the class ident configuration param

(PECL varnish >= 0.3) Connect to a varnish instance administration interface

(PECL varnish >= 0.8) Set the class host configuration param

(PECL varnish >= 0.3) Check if the varnish slave process is currently running

(PECL varnish >= 0.3) Stop varnish worker process

(PECL varnish >= 0.8) Set the class port configuration param

(PECL varnish >= 0.8) Set the class timeout configuration param