(PECL zmq >= 1.0.4) Get context option public

(PECL gearman >= 0.6.0) Set application context

(PECL memcache >= 0.4.0) Close memcached server connection

(PECL sam >= 0.1.0) Establishes a connection to a Messaging Server

(PECL rrd >= 0.9.0) Gets information about rrd file

(PECL event >= 1.2.6-beta) Dispatch pending events

(PHP 4 >= 4.0.6, PHP 5 <= 5.0.5) Returns the error code of the previous operation

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

(PECL event >= 1.2.6-beta) Re-initialize event base(after a fork).

(PECL memcached >= 0.1.0) Append data to an existing item on a specific server