(PECL gearman >= 0.6.0) Register a function with the job server

(PECL event >= 1.4.0-beta) Returns the request command(method)

(PECL event >= 1.2.6-beta) Set event listener's error callback

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Perform a cURL session

(PECL varnish >= 0.3) Stop varnish worker process

(PHP 5, PHP 7) Set permissions on a file via FTP

(PHP 4, PHP 5 < 5.2.0, PECL hwapi SVN) Moves object between collections

(PECL memcached >= 0.1.0) Retrieve an item from a specific server

(PHP 4, PHP 5, PHP 7) Delete attribute values from current attributes

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Extract information from reference entry