(PECL varnish >= 0.3) Get the current varnish instance statistics snapshot

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

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

(PECL varnish >= 0.4) Fetch current varnish instance configuration parameters

(PECL varnish >= 1.0.0) Disconnect from a varnish instance administration interface

(PECL varnish >= 0.4) Get the last panic message on a varnish instance

(PECL varnish >= 0.3) Ban an URL using a VCL expression

(PECL varnish >= 0.4) Set configuration param on the current varnish instance

(PECL varnish >= 0.3) Authenticate on a varnish instance

(PECL varnish >= 0.4) Clear varnish instance panic messages