(PECL zmq >= 0.5.0) Get the socket type public

(PECL stomp >= 0.1.0) Indicates whether or not there is a frame ready to read

(PECL event >= 1.2.6-beta) Returns bitmask of features supported

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

(PHP 5 <= 5.0.5) Terminate monitoring bool

(PECL gearman >= 0.6.0) Unregister a function name with the job servers

(PECL rrd >= 0.9.0) Adds data source definition for RRD database.

(PECL memcache >= 0.2.0) Open memcached server connection

(PHP 4, PHP 5, PHP 7) Returns a detailed list of files in the given directory

(PECL event >= 1.2.6-beta) Connects to a hostname with optionally asyncronous DNS resolving