(PECL gearman >= 0.5.0) Set callback for job failure

(PECL event >= 1.2.6-beta) Constructs EventBuffer object

(PECL gupnp >= 0.1.0) Get the relative location of root device.

(PECL event >= 1.2.6-beta) The setCallback purpose

(PECL event >= 1.2.6-beta) Acquires a lock on buffer

(PECL event >= 1.4.0-beta) Sets maximum request body size

(PECL svn >= 0.2.0) Return true if content is different, false otherwise

(PHP 5, PHP 7) Close a set of cURL handles void

(PECL memcache >= 0.2.0) Add an item to the server

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