(PECL event >= 1.4.0-beta) Returns the response code

(PECL gearman >= 0.5.0) Add a background task to be run in parallel

(PECL gearman >= 0.6.0) Callback function when there is a data packet for a task

(PECL svm >= 0.1.5) Get the SVM type the model was trained with

(PECL gearman >= 0.6.0) Set socket I/O activity timeout

(PECL memcache >= 0.2.0) Replace value of the existing item

(PECL event >= 1.4.0-beta) Initiate a chunked reply

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Get the current value for given option

(PECL gearman >= 0.5.0) Get the last error encountered

(PECL gearman >= 0.6.0) Remove client options