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

(PHP >= 5.2.0) Fetch the SNMP object which

(PHP 5 >= 5.5.0, PHP 7) Set an option for a cURL share handle.

(PECL gearman <= 0.5.0) Set application data (deprecated)

(PHP 5, PHP 7) Return the content of a cURL handle if CURLOPT_RETURNTRANSFER is

(PECL event >= 1.2.6-beta) Returns event base associated with the event listener

(PECL memcache >= 0.2.0) Turn debug output on/off

(PECL gupnp >= 0.1.0) (Un)subscribes to the service.

(PHP 4, PHP 5 < 5.2.0, PECL hwapi SVN) Returns all values of the attribute

(PECL memcached >= 2.0.0) Check if a persitent connection to memcache is being used